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  1. Egypt and Greece Before Alexander

    E-Print Network [OSTI]

    Pfeiffer, Stefan

    2013-01-01

    Pfeiffer, 2013, Egypt and Greece before Alexander. UEE.Stefan, 2013, Egypt and Greece before Alexander. In WolframAssmann (2000). Egypt and Greece before Alexander, Pfeiffer,

  2. Egypt and Greece Before Alexander

    E-Print Network [OSTI]

    Pfeiffer, Stefan

    2013-01-01

    Judean auxiliaries in Egypt’s wars against Kush. Journal ofCitation: Pfeiffer, 2013, Egypt and Greece before Alexander.Pfeiffer, Stefan, 2013, Egypt and Greece before Alexander.

  3. Genital Depilation and Power in Classical Greece

    E-Print Network [OSTI]

    Walker, Paige

    2012-01-01

    La Rocca. 1978. Eros in Greece. London. Bol, Peter C. 1978.Sexual Life in Ancient Greece. London. Burkert, Walter.Men and Maidens in Ancient Greece. Chicago. Freud, Sigmund.

  4. Synchrotron infrared and Raman spectroscopy of microdiamonds from Erzgebirge, Germany

    E-Print Network [OSTI]

    Cartigny, Pierre

    (Western Gneiss Region), Germany (Erzgebirge massif), Greece (Rhodope), and Russia (Ural Mountains) [1 of Geochemistry and Analytical Chemistry, Moscow, Russia e Institute of Geophysics and Planetary Physics and microcrystalline dia- monds in the Ural Mountains [12], have been repeatedly confirmed and unconditionally accepted

  5. Epidemiologic characteristics of pityriasis rosea in Athens Greece

    E-Print Network [OSTI]

    Kyriakis, Kyriakos P; Palamaras, Ioulios; Terzoudi, Sofia; Pagana, Georgia; Emmanuelides, Smaro; Michailides, Charalambos

    2006-01-01

    of pityriasis rosea in Athens Greece Kyriakos P. Kyriakis,St. Barbara" Athens, Greece. fountou@spark.net.gr Pityriasis

  6. Berlin, Germany: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX E LISTStar Energy LLC Jump to:Greece:BajoBelpower Srl Jump to:Falls AssociatesGermany:

  7. Deployment of Broadband Infrastructure in the Region of Western Greece

    E-Print Network [OSTI]

    Deployment of Broadband Infrastructure in the Region of Western Greece Antonios Alexiou1, Patras, Greece 3 University of Ioannina, Greece 4 University of Aegean, Greece {alexiua, bouras, igglesis that is taking place in the Region of Western Greece in order to develop state-of-the- art broadband

  8. Present Shock in Late Fifth-century Greece

    E-Print Network [OSTI]

    Purves, AC

    2012-01-01

    in Late Fifth-century Greece. Pp. xii + 239 . Ann Arbor :in ? fth-century BCE Greece, teasing out the diversity ofprose in ? fth-century BCE Greece’ (p. 12). As for the ? rst

  9. Agon and Ethics: Competitive Discourse in 5th and 4th Century Greece

    E-Print Network [OSTI]

    Avinger, Elias

    2012-01-01

    of Homosexuality in Ancient Greece. London. Davidson, Olga.of Rhetoric in Ancient Greece . Baltimore. Collard, C. , ed.Magic and Rhetoric in Ancient Greece. Cambridge. De Romilly,

  10. Astronomy, Astrophysics, and Space Physics in Greece

    E-Print Network [OSTI]

    V. Charmandaris

    2006-04-18

    In the present document I review the current organizational structure of Astronomy, Astrophysics and Space Physics in Greece. I briefly present the institutions where professional astronomers are pursuing research, along with some notes of their history, as well as the major astronomical facilities currently available within Greece. I touch upon topics related to graduate studies in Greece and present some statistics on the distribution of Greek astronomers. Even though every attempt is made to substantiate all issues mentioned, some of the views presented have inevitably a personal touch and thus should be treated as such.

  11. A FRAMEWORK FOR H-ANIM SUPPORT IN NVES Research Academic Computer Technology Institute (CTI), Greece and

    E-Print Network [OSTI]

    (CTI), Greece and Computer Engineering and Informatics Department (CEID), University of Patras, Greece, Greece chatzipr@ceid.upatras.gr V. Triglianos Research Academic Computer Technology Institute (CTI), Greece and Computer Engineering and Informatics Departmet (CEID) University of Patras, Greece triglian

  12. Cenozoic extensional features in the geology of central mainland Greece

    E-Print Network [OSTI]

    Swanson, Erika (Erika M.)

    2008-01-01

    The Hellenides of Greece have undergone a series of extensional deformation events from early Miocene to present time. Two of the fault systems that accommodate this deformation in central Greece are the Itea-Amfissa ...

  13. ISSN 1745-9648 Electricity Sector Reform in Greece

    E-Print Network [OSTI]

    Feigon, Brooke

    ISSN 1745-9648 Electricity Sector Reform in Greece by Ekaterini Iliadou Lawyer - Legal Department of the electricity market reform in Greece which started in 2001 and is still developing slowly. This is related to the persisting dominance of the incumbent company and the specificities of the electricity sector of Greece

  14. EDUCATIONAL INFORMATION SOCIETY IN GREECE: THE GREEK SCHOOL NETWORK

    E-Print Network [OSTI]

    EDUCATIONAL INFORMATION SOCIETY IN GREECE: THE GREEK SCHOOL NETWORK Christos Bouras, Assistant-26500 Rion, Patras, GREECE bouras@ceid.upatras.gr & bouras@cti.gr Dr. Michael Paraskevas Computer Technology Institute, Network Technologies Sector Riga Feraiou 61, GR-26221, Patras, GREECE mparask

  15. Twenty-second European Workshop on Computational Geometry Delphi, Greece

    E-Print Network [OSTI]

    Karavelas, Menelaos

    #12;Abstracts Twenty-second European Workshop on Computational Geometry Delphi, Greece March 27 by the authors. Workshop logo by Menelaos Karavelas. Printed in Greece. Sponsors UNIVERSITY OF IOANNINA Workshop on Computational Geometry held at Delphi, Greece, on March 27­29, 2006. These papers are also

  16. ORIGINAL ARTICLE Prehistoric cereal foods from Greece and Bulgaria: investigation

    E-Print Network [OSTI]

    Marinova, Elena

    ORIGINAL ARTICLE Prehistoric cereal foods from Greece and Bulgaria: investigation of starch prehistoric sites in Greece and Bulgaria has been analysed. A comparative modern set of cooked (&) Department of Archaeology, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece e-mail: sval

  17. Broadband municipal optical networks in Greece: A suitable business model

    E-Print Network [OSTI]

    Broadband municipal optical networks in Greece: A suitable business model Christos Bouras a, Greece b Research Academic Computer Technology Institute, N. Kazanzaki, University of Patras Campus, GR-26500 Rio, Greece c Department of Informatics, Aristotle University of Thessaloniki, PO Box 114, GR

  18. Iced Coffee Iced Chai Tea Latte

    E-Print Network [OSTI]

    Iced Coffee Iced Chai Tea Latte Iced Americano Iced Cappuccino Iced Latte Iced Mocha Iced White the Cooler Canned Soda Bottled Water Arizona Teas Energy Drinks Red Bull, SF Red Bull & Bing Jones Sodas $0.50 Listed prices do not include applicable sales tax. #12;Brewed Coffee Cafe au Lait Hot Tea Chai Tea Latte

  19. Interstellar Ices

    E-Print Network [OSTI]

    Boogert, A C A

    2003-01-01

    Currently ~36 different absorption bands have been detected in the infrared spectra of cold, dense interstellar and circumstellar environments. These are attributed to the vibrational transitions of ~17 different molecules frozen on dust grains. We review identification issues and summarize the techniques required to extract information on the physical and chemical evolution of these ices. Both laboratory simulations and line of sight studies are essential. Examples are given for ice bands observed toward high mass protostars, fields stars and recent work on ices in disks surrounding low mass protostars. A number of clear trends have emerged in recent years. One prominent ice component consists of an intimate mixture between H2O, CH3OH and CO2 molecules. Apparently a stable balance exists between low temperature hydrogenation and oxidation reactions on grain surfaces. In contrast, an equally prominent ice component, consisting almost entirely of CO, must have accreted directly from the gas phase. Thermal proc...

  20. The Cultural Imaginary of Manteia: Seercraft, Travel, and Charisma in Ancient Greece

    E-Print Network [OSTI]

    Foster, Margaret Cecelia

    2010-01-01

    and Festivals: From Archaic Greece to the Roman Empire, eds.Myth and History in Ancient Greece. The Symbolic Creation ofA. 2008a. The Seer in Ancient Greece. Berkeley. ----------.

  1. POLICIES For CONTENT FILTERING In EDUCATIONAL NETWORKS: The CASE Of GREECE

    E-Print Network [OSTI]

    POLICIES For CONTENT FILTERING In EDUCATIONAL NETWORKS: The CASE Of GREECE Maria Avgoulea, Patras, GREECE Christos Bouras Department of Computer Engineering and Informatics, University of Patras & Computer Technology Institute, Patras, GREECE Email: bouras@cti.gr Michael Paraskevas Computer Technology

  2. Review Article Seismic sequence near Zakynthos Island, Greece, April 2006: Identification of the

    E-Print Network [OSTI]

    Cerveny, Vlastislav

    Review Article Seismic sequence near Zakynthos Island, Greece, April 2006: Identification of Patras, Seismological Laboratory, Patras, Greece b Charles University, Faculty of Mathematics and Physics Zakynthos Island The April 2006 earthquake sequence near Zakynthos (Western Greece) is analysed to identify

  3. Excavations at Sitagroi: A Prehistoric Village in Northeast Greece Volume 1

    E-Print Network [OSTI]

    1986-01-01

    Series. London. —. 1944-45. Greece, vols. I-IV. GeographicalPress. —. 1980. Erosion in Greece during the 1st and 2ndindustries of stone age Greece, part 2. PPS 32:1-29. Higgs,

  4. Earnings Determination and Taxes: Evidence from a Cohort-Based Payroll Tax Reform in Greece

    E-Print Network [OSTI]

    Saez, Emmanuel; Matsaganis, Manos; Tsakloglou, Panos

    2010-01-01

    pension outcomes i n Greece." British Jour¬ nal ofIndustrialL T A X R E F O R M IN GREECE Emmanuel Saez Manos MatsaganisBased Payroll Tax Reform in Greece Emmanuel Saez, Manos

  5. Germany knows mining

    SciTech Connect (OSTI)

    2006-11-15

    Whether it is the nuance of precision or robust rock breaking strength, German suppliers have the expertise. Germany has about 120 companies in the mining equipment industry, employing some 16,000 people. The article describes some recent developments of the following companies: DBT, Liebherr, Atlas Copco, BASF, Boart Longyear, Eickhoff, IBS, Maschinenfabrik Glueckauf, Komatsu, TAKRA, Terex O & R, Thyssen Krupp Foerdertechnik and Wirtgen. 7 photos.

  6. Athens, Greece: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX E LISTStar Energy LLC Jump to:Greece: Energy Resources Jump to: navigation, search

  7. Greece: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIXsource History View New Pages RecentPlantMagma EnergyGoogleProgramsScienceGreaterGreece:

  8. Olive Oil Production in Greece1 The 1981 accession of Greece into the EEC was significant for the

    E-Print Network [OSTI]

    Zaferatos, Nicholas C.

    Olive Oil Production in Greece1 The 1981 accession of Greece into the EEC was significant of opportunities for other crops due to agro-climatic and socioeconomic conditions. Because olive oil production Mediterranean, its cultivation dating back to ancient times. Environmental implications Olive oil production

  9. Supporting Broadband Growth in an Interregional Level: The Case of Greece-Italy Partnership

    E-Print Network [OSTI]

    Supporting Broadband Growth in an Interregional Level: The Case of Greece-Italy Partnership of Patras, Greece *** Department of Informatics, Aristotle University of Thessaloniki, Greece Abstract in an Interregional Level between regions of Italy and Greece. Main target of the project is the technology

  10. Automotive Engineering Summer Germany (AESG)

    E-Print Network [OSTI]

    Battaglia, Francine

    Automotive Engineering Summer Germany (AESG) #12;2 Automotive Engineering Summer Germany #12 of May 3 automotive classes will be offered (12 ECTS in total) credits can be transferred to UB / VT of May 3 automotive classes will be offered (12 ECTS in total) no knowledge of the German language

  11. ID-No. of presentation: t3a01391 Authors: Christos Bouras, Computer Technology Institute, Patras, Greece

    E-Print Network [OSTI]

    , Greece Apostolos Gkamas, Computer Technology Institute, Patras, Greece Vaggelis Kapoulas, Computer Technology Institute, Patras, Greece Thrasyvoulos Tsiatsos, Computer Technology Institute, Patras, Greece ODL for the enterprises. In Greece the main PTT organisation, as part of its strategy to offer integrated telematics

  12. Iced Coffee Iced Yerba Mate "Tea"

    E-Print Network [OSTI]

    Iced Coffee Iced Yerba Mate "Tea" Iced Yerba Mate Latte Iced Chai Tea Latte Original, Green Tea Canned Soda Xing Tea Bottled Water Arizona Teas Energy Drinks Red Bull, SF Red Bull & Bing Jones Sodas $0 Cafe au Lait Hot Tea Yerba Mate "Tea" Yerba Mate Latte Chai Tea Latte - Original, Green Tea, or Sugar

  13. The Origins of Democracy: Study Abroad in Greece Spring 2009 This past May, Rob Fleck, Andy Hanssen, and eleven MSU students traveled to Greece, visiting

    E-Print Network [OSTI]

    Maxwell, Bruce D.

    The Origins of Democracy: Study Abroad in Greece Spring 2009 This past May, Rob Fleck, Andy Hanssen, and eleven MSU students traveled to Greece, visiting major ancient sites. The two-week trip was an integral, and the Origins of Democracy: Lessons from Ancient Greece." Throughout the spring semester, the class studied

  14. Restraints on European Recovery Structural and Ideological Impediments to Reviving Greece and the Eurozone After the Crisis

    E-Print Network [OSTI]

    Potts, Shaina; Montero, Sergio

    2010-01-01

    question for citizens in Greece and all over the world isImpediments to Reviving Greece and the Eurozone After thebonds to junk status. On May 1, Greece agreed to a series of

  15. Catalysts available from East Germany

    SciTech Connect (OSTI)

    Not Available

    1990-10-01

    This paper reports that a company in East Germany manufactures catalytic reforming, hydrocracking, mild hydrocracking, hydrotreating, and hydrorefining catalysts, among others. The company offers almost 50 catalysts for these processing categories.

  16. GREAT LAKES ICE COVER RaymondA. Asset'

    E-Print Network [OSTI]

    to the early fifteenth centllry. in central Japan. southern Germany,and Switzerland." I National Oceanographic hydropower production and cooling water intakes, and damaging shore structures. Ice cover also impacts, and spring energy exchanges between the lake and the planetary boundary layer. Although observations of shore

  17. Mechanism Design: from Partial to Probabilistic Verification IOANNIS CARAGIANNIS, University of Patras & CTI, Greece

    E-Print Network [OSTI]

    Fiat, Amos

    of Patras & CTI, Greece EDITH ELKIND, Nanyang Technological University, Singapore MARIO SZEGEDY, Rutgers and Informatics, University of Patras, 26504 Rio, Greece; E. Elkind and L. Yu, Division of Mathematical Sciences

  18. Metamorphic style and development of the blueschist-to eclogite-facies rocks, Cyclades, Greece

    E-Print Network [OSTI]

    Brady, John B.

    Metamorphic style and development of the blueschist- to eclogite-facies rocks, Cyclades, Greece.c.schumacher@bristol.ac.uk Abstract. The island of Syros, Greece is part of the Attic-Cycladic blueschist belt, formed during Mesozoic

  19. Studies on the source mechanism and SES for 28 earthquakes in Greece 

    E-Print Network [OSTI]

    Al-Damegh, Khaled Sulaiman

    1996-01-01

    The VAN telemetric network used to forecast earthquakes in Greece has been in operation since January 1983. Eighteen VAN stations were established in various locations within Greece to detect Seismic Electric Signals (SES) which are thought...

  20. Dancers from "Dora Stratou" welcome us to Greece Ionian Sea Rainfall Experiment

    E-Print Network [OSTI]

    Nystuen, Jeffrey A.

    Dancers from "Dora Stratou" welcome us to Greece Ionian Sea Rainfall Experiment Southwest of Pylos. A unique combination of geography and scientific resources exist in the Ionian Sea southwest of Greece

  1. Constructionism 2012, Athens, Greece ISBN: 978-960-88298-4-8 RESEARCH REPORT 370

    E-Print Network [OSTI]

    Wilensky, Uri

    Constructionism 2012, Athens, Greece ISBN: 978-960-88298-4-8 RESEARCH REPORT 370 Representational essentially tying the constructed knowledge structures to the game #12;Constructionism 2012, Athens, Greece

  2. Auxiliary material for Observation of the Spread of Slow Deformation in Greece Following the

    E-Print Network [OSTI]

    Cerveny, Vlastislav

    Auxiliary material for Observation of the Spread of Slow Deformation in Greece Following of Engineering Seismology and Earthquake Engineering ITSAK, P.O. Box 53, 55102 Thessaloniki, Greece 4 Université

  3. International Conference of Engineering Against Failure (ICEAF III) 26-28 June 2013, Kos, Greece

    E-Print Network [OSTI]

    Yaman, Yavuz

    , Greece 804 Optimal Control of a Smart Beam by using a Luenberger Observer Cem Onat* , Melin Sahin , Yavuz (ICEAF III) 26-28 June 2013, Kos, Greece 805 the smart beam. In order to validate the efficiency

  4. Efficient Probabilistic Model Based Approaches for Analysis of Human Genomic Data

    E-Print Network [OSTI]

    Yang, Wenyun

    2013-01-01

    Russia Ukraine Germany France Turkey France Romania GreeceRussia Ukraine Germany France Turkey Germany Romania GreeceRussia Russia Ukraine Germany France Turkey Germany Romania

  5. News and Views Conference Report: Paleoanthropology of the Mani Peninsula (Greece)

    E-Print Network [OSTI]

    Delson, Eric

    News and Views Conference Report: Paleoanthropology of the Mani Peninsula (Greece) K. Harvati & E in Athens and Areopolis, Greece, on the Paleoanthropol- ogy of the Mani Peninsula. The conference publication outside Greece is a short article on forensic implications of damage to one cranium (Coutselinis

  6. Observation of the spread of slow deformation in Greece following the breakup of the slab

    E-Print Network [OSTI]

    Cerveny, Vlastislav

    Observation of the spread of slow deformation in Greece following the breakup of the slab Virginie Engineering, ITSAK, Thessaloniki, Greece, 4 Université de Savoie, ISTerre, Le Bourget du Lac, France, 5 analyze here a "storm" of earthquakes in Greece and show that their interaction provides remarkable

  7. NATURE MATERIALS | VOL 12 | AUGUST 2013 | www.nature.com/naturematerials 683 Greece in crisis

    E-Print Network [OSTI]

    NATURE MATERIALS | VOL 12 | AUGUST 2013 | www.nature.com/naturematerials 683 commentary Greece igher-education research and technology in Greece weren't always in dire need of reforms and economic universities. Further cause for optimism came from the fact that, in 1981, Greece became the tenth member

  8. ARTEMIS MARK-IV, THE NEW GREEKFRENCH DIGITAL RADIO SPECTROGRAPH AT THERMOPYLES, GREECE

    E-Print Network [OSTI]

    Athens, University of

    ARTEMIS MARK-IV, THE NEW GREEK­FRENCH DIGITAL RADIO SPECTROGRAPH AT THERMOPYLES, GREECE D. MAROULIS Department of Informatics, University of Athens, Panepistimiopolis, GR-15784 Athens, Greece G. DUMAS DESPA of Informatics, University of Athens, Panepistimiopolis, GR-15784 Athens, Greece J. L. BOUGERET DESPA, URA CNRS

  9. EUROMED Sustainable Connections: 4.1 Community Profile Troianata, Kefalonia, Greece 1 COMMUNITY PROFILE

    E-Print Network [OSTI]

    Zaferatos, Nicholas C.

    EUROMED Sustainable Connections: 4.1 Community Profile ­ Troianata, Kefalonia, Greece 1 COMMUNITY PROFILE Village of Troianata Island of Kefalonia, Greece Kefalonia was named after the mythological figure of the fastest population growth rates in Greece during the 1990s. The present population density is 55 people

  10. Revisiting the role of Incubators during Fiscal Austerity Times: The Case of PSP, Greece.

    E-Print Network [OSTI]

    1 Revisiting the role of Incubators during Fiscal Austerity Times: The Case of PSP, Greece. Areti, Department of Economics, University Campus Rio, 26504 Patras, Greece b: University of Patras, Department of Computer Engineering and Informatics, University Campus Rio, 26504 Patras, Greece c: Computer Technology

  11. Cognitive Information Processing, Greece, June 2008 (Haykin) 1 Cognitive Dynamic Systems

    E-Print Network [OSTI]

    Haykin, Simon

    Cognitive Information Processing, Greece, June 2008 (Haykin) 1 Cognitive Dynamic Systems Simon;Cognitive Information Processing, Greece, June 2008 (Haykin) 2 1. What is Cognition? According to the Oxford for the Bayesian framework -- hence the "Bayesian brain". { { { { { #12;Cognitive Information Processing, Greece

  12. Aragonite pseudomorphs in high-pressure marbles of Syros, Greece John B. Bradya,*, Michelle J. Markleyb

    E-Print Network [OSTI]

    Brady, John B.

    Aragonite pseudomorphs in high-pressure marbles of Syros, Greece John B. Bradya,*, Michelle J in the blueschist to eclogite facies marbles of Syros, Greece. The rods show a shape-preferred orientation is unusually low (Carlson and Rosenfeld, 1981). Although marbles on the island of Syros (Cyclades, Greece

  13. Seiridium cardinale on Juniperus species in Greece By P. Tsopelas1

    E-Print Network [OSTI]

    Seiridium cardinale on Juniperus species in Greece By P. Tsopelas1 , I. Barnes2 , M. J. Wingfield2, Greece. E-mail: tsop@fria.gr; 2 Forestry and Agricultural Biotechnology Institute (FABI), Department, in a number of natural juniper woodlands in Greece. The presence of infections was sporadic in most cases

  14. International Symposium on Eastern Mediterranean Geology Thessaloniki, Greece, 14-20 April 2004

    E-Print Network [OSTI]

    Cerveny, Vlastislav

    5th International Symposium on Eastern Mediterranean Geology Thessaloniki, Greece, 14-20 April 2004 of Athens, Lofos Nymfon 1, 11810 Athens, Greece, esokos@gein.noa.gr 2 Charles University, Prague, KG MFF UK;5th International Symposium on Eastern Mediterranean Geology Thessaloniki, Greece, 14-20 April 2004

  15. The January 2010 Efpalio earthquake sequence in the western Corinth Gulf (Greece) E. Sokos a,

    E-Print Network [OSTI]

    Cerveny, Vlastislav

    The January 2010 Efpalio earthquake sequence in the western Corinth Gulf (Greece) E. Sokos a, , J. Serpetsidaki a , G.-A. Tselentis a a University of Patras, Seismological Laboratory, Greece b Charles of Thessaloniki, Department of Geophysics, Greece d Czech Technical University, Faculty of Civil Engineering

  16. A Greek (Privacy) Tragedy: The Introduction of Social Security Numbers in Greece

    E-Print Network [OSTI]

    Ioannidis, Sotiris

    A Greek (Privacy) Tragedy: The Introduction of Social Security Numbers in Greece Eleni Gessiou of AMKA in Greece in the future, along the lines of the Social Security Number in the US. 1. INTRODUCTION that is made publicly available (e.g., on the face of student ID cards at Universities [5]). Greece recently

  17. Space Physics in Greece: Experience and Future Prospects Ioannis A. Daglis, Anastasios Anastasiadis and Georgia Tsiropoula

    E-Print Network [OSTI]

    Anastasiadis, Anastasios

    Space Physics in Greece: Experience and Future Prospects Ioannis A. Daglis, Anastasios Anastasiadis, Greece Emmanuel T. Sarris Democritus University of Thrace, Department of Electrical and Computer Engineering, Xanthi, Greece Abstract. Space Physics was born with the launch of the first artifi­ cial

  18. Mountainous Greece and its nature as a "Whole" C. Tsipiras, Civil Engineer, Geographer

    E-Print Network [OSTI]

    Psarrakos, Panayiotis

    Mountainous Greece and its nature as a "Whole" C. Tsipiras, Civil Engineer, Geographer Chairman'' Greece is the only country in Europe that doesn't have a strategy for its mountainous part which) should be in charge for the implementation of European and national policies in Greece which is the most

  19. No Borders, No Nations: Making Greece in Department of Geography, University of California, Los Angeles

    E-Print Network [OSTI]

    No Borders, No Nations: Making Greece in Macedonia John Agnew Department of Geography, University of California, Los Angeles Macedonia's centrality to the making of Greece over the past century provides of Greece in Macedonia may become increasingly problematic because the political logic of all national

  20. Community Ice Sheet Model (CISM2) Development and Marine Ice...

    Office of Scientific and Technical Information (OSTI)

    Conference: Community Ice Sheet Model (CISM2) Development and Marine Ice Sheet Simulations Citation Details In-Document Search Title: Community Ice Sheet Model (CISM2) Development...

  1. Timing of Late Pliocene to Middle Pleistocene tectonic events in Rhodes (Greece) inferred from magneto-biostratigraphy and

    E-Print Network [OSTI]

    Utrecht, Universiteit

    Timing of Late Pliocene to Middle Pleistocene tectonic events in Rhodes (Greece) inferred from sequences on the island of Rhodes (Aegean fore-arc, Greece). Here, we present an integrated isotopic; Pliocene; Pleistocene; Rhodes; Greece; Mediterranean Sea 1. Introduction The island of Rhodes (Greece

  2. Automotive Engineering Summer Germany 2015

    E-Print Network [OSTI]

    Battaglia, Francine

    Automotive Engineering Summer Germany 2015 Technische Universität Darmstadt Prof. Dr. rer. nat manufactures and automotive suppliers. For example FZD is working on predictive suspension control strategies and advanced driver assistant systems. Therefore the automotive institute owns a plurality of test vehicles

  3. Arctic ice islands

    SciTech Connect (OSTI)

    Sackinger, W.M.; Jeffries, M.O.; Lu, M.C.; Li, F.C.

    1988-01-01

    The development of offshore oil and gas resources in the Arctic waters of Alaska requires offshore structures which successfully resist the lateral forces due to moving, drifting ice. Ice islands are floating, a tabular icebergs, up to 60 meters thick, of solid ice throughout their thickness. The ice islands are thus regarded as the strongest ice features in the Arctic; fixed offshore structures which can directly withstand the impact of ice islands are possible but in some locations may be so expensive as to make oilfield development uneconomic. The resolution of the ice island problem requires two research steps: (1) calculation of the probability of interaction between an ice island and an offshore structure in a given region; and (2) if the probability if sufficiently large, then the study of possible interactions between ice island and structure, to discover mitigative measures to deal with the moving ice island. The ice island research conducted during the 1983-1988 interval, which is summarized in this report, was concerned with the first step. Monte Carlo simulations of ice island generation and movement suggest that ice island lifetimes range from 0 to 70 years, and that 85% of the lifetimes are less then 35 years. The simulation shows a mean value of 18 ice islands present at any time in the Arctic Ocean, with a 90% probability of less than 30 ice islands. At this time, approximately 34 ice islands are known, from observations, to exist in the Arctic Ocean, not including the 10-meter thick class of ice islands. Return interval plots from the simulation show that coastal zones of the Beaufort and Chukchi Seas, already leased for oil development, have ice island recurrences of 10 to 100 years. This implies that the ice island hazard must be considered thoroughly, and appropriate safety measures adopted, when offshore oil production plans are formulated for the Alaskan Arctic offshore. 132 refs., 161 figs., 17 tabs.

  4. High Speed Rail in Greece : methods for evaluating economic impacts

    E-Print Network [OSTI]

    Radopoulou, Stefania Christina

    2010-01-01

    High Speed Rail is a mode that gains popularity every day. Many countries have such a network and others are on the way to adopting one. Greece, which is part of the European Union, is one of those countries that are looking ...

  5. Virtual Learning Communities -Theory and Practice: the Case of Computer Engineering and Informatics Dept., Univ. of Patras, Greece and Research Academic Computer

    E-Print Network [OSTI]

    Engineering and Informatics Dept., Univ. of Patras, Greece and Research Academic Computer Technology Institute, Greece, 61 Riga Feraiou Str. GR 262 21 Patras GREECE, bouras@cti.gr El. Giannaka Computer Engineering and Informatics Dept., Univ. of Patras, Greece and Research Academic Computer Technology Institute, Greece, 61

  6. Ice electrode electrolytic cell

    DOE Patents [OSTI]

    Glenn, D.F.; Suciu, D.F.; Harris, T.L.; Ingram, J.C.

    1993-04-06

    This invention relates to a method and apparatus for removing heavy metals from waste water, soils, or process streams by electrolytic cell means. The method includes cooling a cell cathode to form an ice layer over the cathode and then applying an electric current to deposit a layer of the heavy metal over the ice. The metal is then easily removed after melting the ice. In a second embodiment, the same ice-covered electrode can be employed to form powdered metals.

  7. Ice electrode electrolytic cell

    DOE Patents [OSTI]

    Glenn, David F. (Idaho Falls, ID); Suciu, Dan F. (Idaho Falls, ID); Harris, Taryl L. (Idaho Falls, ID); Ingram, Jani C. (Idaho Falls, ID)

    1993-01-01

    This invention relates to a method and apparatus for removing heavy metals from waste water, soils, or process streams by electrolytic cell means. The method includes cooling a cell cathode to form an ice layer over the cathode and then applying an electric current to deposit a layer of the heavy metal over the ice. The metal is then easily removed after melting the ice. In a second embodiment, the same ice-covered electrode can be employed to form powdered metals.

  8. from the society: The forthcoming 5th IBS International Meeting (Irakleion, Crete, Greece 7–11 January 2011) is almost here

    E-Print Network [OSTI]

    Sfenthourakis, Spyros; Svenning, Jens-Christian

    2010-01-01

    Meeting (Irakleion, Crete, Greece 7–11 January 2011) isheld in Irakleion, Crete, Greece, from 7 th to 11th Januaryand natural attractions of Greece, and Crete in particular,

  9. AMF Deployment, Black Forest, Germany

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefieldSulfateSciTechtail.TheoryTuesday, August 10, 20102016 NewsUsers' Executive CommitteeALSNewsVol.Germany

  10. from the society: Registration is now open for the 5th Biennial Conference of the International Biogeography Society (Heraklion, Crete, Greece; 7-11 January 2011)

    E-Print Network [OSTI]

    Faller, Karen; Sfenthourakis, Spyros; Svenning, Jens-Christian

    2010-01-01

    Heraklion, Crete, Greece; 7-11 January The Internationalat a few other sites in Greece, and a small stand is present

  11. FRPRCS-8 University of Patras, Patras, Greece, July 16-18, 2007 MODEL FOR CONCRETE CONFINED BY ARAMID FRP

    E-Print Network [OSTI]

    Burgoyne, Chris

    FRPRCS-8 University of Patras, Patras, Greece, July 16-18, 2007 1 MODEL FOR CONCRETE CONFINED of Patras, Patras, Greece, July 16-18, 2007 2 ascending branch is linearly elastic but at about 70

  12. Reply to: `A late Pleistocene clockwise rotation phase of Zakynthos (Greece) and implications for the evolution of the

    E-Print Network [OSTI]

    Utrecht, Universiteit

    Discussion Reply to: `A late Pleistocene clockwise rotation phase of Zakynthos (Greece palaeomagnetic results from the island of Za- kynthos (Greece), and concluded that the rotation of this island

  13. Proc. Second International Conference on Underwater Acoustic Measurements: Technologies and Results, Heraklion, Greece, 25-29 June 2007.

    E-Print Network [OSTI]

    , Heraklion, Greece, 25-29 June 2007. ACOUSTIC MEASUREMENT OF MARINE MAMMAL SOUNDS IN NOISY ENVIRONMENTS David Measurements: Technologies and Results, Heraklion, Greece, 25-29 June 2007. 1. INTRODUCTION: MARINE

  14. An energy-diagnostics intercomparison of coupled ice-ocean Arctic models

    E-Print Network [OSTI]

    Zhang, Jinlun

    An energy-diagnostics intercomparison of coupled ice-ocean Arctic models Petteri Uotila a,*, David Institute, Bremerhaven, Germany g Institute of Numerical Mathematics Russian Academy of Science, Moscow, potential and available potential energies, energy conversion and forcing rates are studied. The energy

  15. INVITED SPEAKERS S. Albeverio (Bonn, Germany)

    E-Print Network [OSTI]

    Di Nasso, Mauro

    INVITED SPEAKERS S. Albeverio (Bonn, Germany) J. L. Bell (Western Ontario, Canada) V. Benci (Pisa (Tuebingen, Germany). NS2002 NONSTANDARD METHODS and applications in mathematics June 10-16, 2002 Pisa, Italia CONTACT: E-mail: pisa2002@infinitesimals.org WEB: http://docenti.ing.unipi.it/~o18933/Pisa2002

  16. Fourth International Workshop on Termination Dagstuhl, Germany

    E-Print Network [OSTI]

    Giesl, Juergen

    Fourth International Workshop on Termination WST '99 Dagstuhl, Germany May 10­12, 1999 Abstracts #12; Fourth International Workshop on Termination WST '99 Dagstuhl, Germany May 10­12, 1999 Abstracts, The Netherlands) #12; Contents Hans Zantema The Termination Hierarchy for Term Rewriting

  17. Global Simulations of Ice nucleation and Ice Supersaturation...

    Office of Scientific and Technical Information (OSTI)

    Article: Global Simulations of Ice nucleation and Ice Supersaturation with an Improved Cloud Scheme in the Community Atmosphere Model Citation Details In-Document Search Title:...

  18. From earthquake centroid to spatial-temporal rupture evolution: Mw 6.3 Movri Mountain earthquake, June 8, 2008, Greece

    E-Print Network [OSTI]

    Cerveny, Vlastislav

    , June 8, 2008, Greece F. Gallovic,1,2 J. Zahradni´k,1 D. Kri´zova´,1 V. Plicka,1 E. Sokos,3 A.3 earthquake in Greece, revealing predominantly unilateral rupture propagation and two or three main slip earthquake, June 8, 2008, Greece, Geophys. Res. Lett., 36, L21310, doi:10.1029/2009GL040283. 1. Introduction

  19. Comment on: `A late Pleistocene clockwise rotation phase of Zakynthos (Greece) and implications for the evolution of the

    E-Print Network [OSTI]

    Utrecht, Universiteit

    Discussion Comment on: `A late Pleistocene clockwise rotation phase of Zakynthos (Greece the island of Za- kynthos (Greece). In many cases, these authors have re-sampled the original sites of Laj et sites from northwestern continental Greece and the Ionian islands (Corfu, Kephallinia and Zakynthos) has

  20. Late Miocene to Early Pliocene depositional history of the intramontane FlorinaPtolemaisServia Basin, NW Greece

    E-Print Network [OSTI]

    Utrecht, Universiteit

    ­Ptolemais­Servia Basin, NW Greece: Interplay between orbital forcing and tectonics J. Steenbrink a,, F.J. Hilgen b , W­Ptolemais­Servia Basin in northwest Greece show a distinct m-scale sedimentary cyclicity of alternating marls-based astronomical tuning of the early Pliocene lacustrine sediments of Ptolemais (NW Greece) and bed

  1. *Corresponding author. Department of Biology, University of Crete, P.O. Box 2208, GR-71409 Heraklion, Crete, Greece.

    E-Print Network [OSTI]

    Petratos, Kyriacos

    Heraklion, Crete, Greece. Tel.: #30-81-394455; fax: #30-81-394351. E-mail address: kokkinid@imbb.forth.gr (M of Crete, P.O. Box 2208, GR-71110 Heraklion, Crete, Greece Institute of Molecular Biology and Biotechnology (IMBB), P.O. Box 1527, GR-71110 Heraklion, Crete, Greece Faculty of Pharmaceutical Sciences, Chiba

  2. TECTONICS, VOL. 14, NO. 4, PAGES 773-785, AUGUST 1995 Microseimicity and strain pattern in northwestern Greece

    E-Print Network [OSTI]

    Hatzfeld, Denis

    in northwestern Greece DenisHatzfeld,·IannisKassaras,2DimitrisPanagiotopoulos,3DanielAmorese,I KostasMakropoulos,2 Epirus, Akarnania, and the Ionian islands of westernGreece, we located approximately 600 earthquakes continents collide in Apulia and northern Greece[i.e., McKenzie, 1972]. It is moreover boundedby

  3. Int. Symposium on Mechanics and Materials, May 9-14, 2010, Greece Fatigue Investigation of Ultrasonic Impact Treatment

    E-Print Network [OSTI]

    Aristomenis, Antoniadis

    31st Int. Symposium on Mechanics and Materials, May 9-14, 2010, Greece Fatigue Investigation Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece 2 School of Pedagogical and Technological Education, 14121 N. Heraklion, Athens, Greece 3 Technological Educational Institution of Serres, 62124

  4. Tectonic and climatic controls on coastal sedimentation: The Late PlioceneMiddle Pleistocene of northeastern Rhodes, Greece

    E-Print Network [OSTI]

    Utrecht, Universiteit

    of northeastern Rhodes, Greece Jean-Jacques Cornée a,, Pierre Moissette a , Sébastien Joannin a , Jean-Pierre Suc Athens, Greece e FRE 2761 Géologie des Systèmes Carbonatés, Université de Provence, case 67, 3 place of northeastern Rhodes (Greece) were deposited in an active tectonic setting. They provide an excellent

  5. Greek Researcher Pioneers Heart ID Suspect in Toronto Murder Nabbed in Greece Greek Literature Translated Into French

    E-Print Network [OSTI]

    Debarre, Olivier

    Greek Researcher Pioneers Heart ID Suspect in Toronto Murder Nabbed in Greece Greek Literature economic times in Greece and the limited Greek literature exports abroad, the French speaking residents works revolve around the harsh times of World War II and the Civil War in Greece. The anthology also

  6. A SIP SPATIAL AUDIO SERVER FOR THE EVE PLATFORM Research Academic Computer Technology Institute (CTI), Greece and

    E-Print Network [OSTI]

    Institute (CTI), Greece and Computer Engineering and Informatics Department (CEID), University of Patras, Greece, bouras@cti.gr V. Triglianos Computer Engineering and Informatics Departmet (CEID) University of Patras, Greece triglian@ceid.upatras.gr Th. Tsiatsos Department of Informatics, Aristotle University

  7. Proc. of the Conf. ACOUSTICS 2006, 18-19 Sept. 2006, Heraclion, Greece koupe@di.uoa.gr

    E-Print Network [OSTI]

    Kouroupetroglou, Georgios

    Proc. of the Conf. ACOUSTICS 2006, 18-19 Sept. 2006, Heraclion, Greece 68. of the Conf. ACOUSTICS 2006, 18-19 Sept. 2006, Heraclion, Greece 69 well, by all the 20 subjects, in normal), ( ) (, , ...). , , . , #12;Proc. of the Conf. ACOUSTICS 2006, 18-19 Sept. 2006, Heraclion, Greece 70

  8. Workshop on Computer Science and Information Technologies CSIT'2002, Patras, Greece, 2002 Intelligent Educational Systems for Individualized Learning

    E-Print Network [OSTI]

    Workshop on Computer Science and Information Technologies CSIT'2002, Patras, Greece, 2002 of Computer Engineering & Informatics University of Patras Patras, Greece & Computer Technology Institute Patras, Greece prentzas@ceid.upatras.gr, ihatz@cti.gr, ihatz@ceid.upatras.gr Abstract In this paper, we

  9. Geophys. J. Int. (1997)131, 559-594 Earthquake mechanismsof the Adriatic Sea and Western Greece

    E-Print Network [OSTI]

    Hatzfeld, Denis

    1997-01-01

    Geophys. J. Int. (1997)131, 559-594 Earthquake mechanismsof the Adriatic Sea and Western Greece, Aristotelian University, PO Box 352-1, 540-06 Thessaloniki, Greece Accepted 1997June 23. Received 1997June 23 subduction. Western Greece. 1 INTRODUCTION The Aegean region is one of the most rapidly deforming

  10. ICCRA 3, July 16-18th Porto Heli, Greece C. P. Kitsos, C. Caroni (2009) Proceedings

    E-Print Network [OSTI]

    Rigas, Alexandros

    2009-01-01

    ICCRA 3, July 16-18th Porto Heli, Greece C. P. Kitsos, C. Caroni (2009) Proceedings A new University of Thrace, GR-67100, Xanthi, Greece {rigas, bvasil}@ee.duth.gr Abstract In this paper, we present data, and both time- and frequency- domain #12;ICCRA 3, July 16-18th Porto Heli, Greece C. P. Kitsos, C

  11. Proceedings, XXX International Association of Hydraulic Research Congress Thessaloniki, Greece, August 24-29, 2003

    E-Print Network [OSTI]

    Parker, Gary

    Proceedings, XXX International Association of Hydraulic Research Congress Thessaloniki, Greece, XXX International Association of Hydraulic Research Congress Thessaloniki, Greece, August 24-29, 2003 delta at the head of Lake Mead after the closing of Hoover Dam. Fig. 5 (Grover & Howard 1937) documents

  12. BeyWatch (Smart Grid Project) (Greece) | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION JEnvironmental JumpInformation BeaufortBentMichigan:Greece) Jump to: navigation, search Project

  13. Rupture process of the 2014 Cephalonia, Greece, earthquake doublet1 (Mw6) as inferred from regional and local seismic data2

    E-Print Network [OSTI]

    Cerveny, Vlastislav

    1 Rupture process of the 2014 Cephalonia, Greece, earthquake doublet1 (Mw6) as inferred from- Seismological Laboratory, Greece.5 2 Aristotle University of Thessaloniki, Department of Geophysics, Greece.6 3 author: Efthimios Sokos, University of Patras, Department of Geology- Seismological10 Laboratory, Greece

  14. The Greek Association of Computational Mechanics (GRACM), founded in 1991, represents a small but active scientific community in Greece. Being affiliated with

    E-Print Network [OSTI]

    Stavroulakis, Georgios E.

    a small but active scientific community in Greece. Being affiliated with the International Association, France G. A. Athanassoulis, NTUA, Greece C. Bekas, IBM, Zurich, Switzerland P. Chaviaropoulos, Center For Renewable Energy Sources (CRES), Greece V. Dougalis, Univ. Athens & IACM/FORTH, Greece D. Fotiadis, Univ

  15. The International Symposium on Non-equilibrium Dynamics (NeD-2011) will be held from 31 August to 3 September, 2011, in Heraklion, Crete, Greece.

    E-Print Network [OSTI]

    Bratkovskaya, Elena

    September, 2011, in Heraklion, Crete, Greece. The Symposium addresses the physics of strongly interacting

  16. Arctic Sea ice model sensitivities.

    SciTech Connect (OSTI)

    Peterson, Kara J.; Bochev, Pavel Blagoveston; Paskaleva, Biliana Stefanova

    2010-12-01

    Arctic sea ice is an important component of the global climate system and, due to feedback effects, the Arctic ice cover is changing rapidly. Predictive mathematical models are of paramount importance for accurate estimates of the future ice trajectory. However, the sea ice components of Global Climate Models (GCMs) vary significantly in their prediction of the future state of Arctic sea ice and have generally underestimated the rate of decline in minimum sea ice extent seen over the past thirty years. One of the contributing factors to this variability is the sensitivity of the sea ice state to internal model parameters. A new sea ice model that holds some promise for improving sea ice predictions incorporates an anisotropic elastic-decohesive rheology and dynamics solved using the material-point method (MPM), which combines Lagrangian particles for advection with a background grid for gradient computations. We evaluate the variability of this MPM sea ice code and compare it with the Los Alamos National Laboratory CICE code for a single year simulation of the Arctic basin using consistent ocean and atmospheric forcing. Sensitivities of ice volume, ice area, ice extent, root mean square (RMS) ice speed, central Arctic ice thickness,and central Arctic ice speed with respect to ten different dynamic and thermodynamic parameters are evaluated both individually and in combination using the Design Analysis Kit for Optimization and Terascale Applications (DAKOTA). We find similar responses for the two codes and some interesting seasonal variability in the strength of the parameters on the solution.

  17. "Down in Turkey, far away": human rights, the Armenian Massacres, and Orientalism in Wilhelmine Germany

    E-Print Network [OSTI]

    Anderson, ML

    2007-01-01

    13785; Isaiah Friedman, Germany, Turkey, and Zionism, 1897–on Germany’s historical support for Turkey’s suppression ofit would be Germany’s task “to raise Turkey culturally, so

  18. Ice Bear® Storage Module | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Ice Bear Storage Module Ice Bear Storage Module Thermal Energy Storage for Light Commercial Refrigerant-Based Air Conditioning Units The Ice Bear storage technology was...

  19. Politicized armies, militarized politics : civil-military relations in Turkey and Greece

    E-Print Network [OSTI]

    Liaras, Evangelos

    2007-01-01

    Despite their common Ottoman heritage, Greece and Turkey have diverged widely in their modem history of civil-military relations. The armed forces have a long record of intervention in both countries, but there is a crucial ...

  20. Quick assessment of the fault plane, for the recent event in Southern Greece (14 February 2008, Mw 6.9)

    E-Print Network [OSTI]

    Cerveny, Vlastislav

    Quick assessment of the fault plane, for the recent event in Southern Greece (14 February 2008, Mw.org/index.php?page=current&sub=recent&evt=20080106_GREECE), we issue a quick assessment of the fault plane for the most recent Mw6.9 earthquake in Southern Greece (20080214 at 10:09:23 UTC). Using hypocenter (H) from manual P and Swave picks from 14

  1. Telematics group University of Gttingen, Germany

    E-Print Network [OSTI]

    Fu, Xiaoming

    !) want to communicate "securely" · Trudy (intruder) may intercept, delete, add messages secure sender! · Web browser/server for electronic transactions (e.g., on-line purchases) · on-line banking client University of Göttingen, Germany There are bad guys out there! Q: What can a "bad guy" do? A: a lot

  2. Telematics group University of Gttingen, Germany

    E-Print Network [OSTI]

    Fu, Xiaoming

    , Alice (lovers!) want to communicate "securely" · Trudy (intruder) may intercept, delete, add messages and Alices! · Web browser/server for electronic transactions (e.g., on-line purchases) · on-line banking/04 Telematics group University of Göttingen, Germany There are bad guys out there! Q: What can a "bad guy" do? A

  3. UF in Switzerland, Germany & France Medicine, Microbiology, & Health

    E-Print Network [OSTI]

    Hill, Jeffrey E.

    UF in Switzerland, Germany & France Medicine, Microbiology, & Health Summer A: May 28 - June 14, 2015 Discover various aspects of medicine, microbiology & health in Germany, France & Switzerland Visit, Fluehli, Gruyere, Root, Nenzlingen, & Basel (Switzerland); Freiburg, Staufen, Gunsbach, & Heidelberg

  4. EM Gains Insight from Germany on Salt-Based Repositories

    Broader source: Energy.gov [DOE]

    KARLSRUHE and PEINE, Germany – EM officials recently took part in workshops in Germany to benefit from the exchange of research and experience operating salt-based repositories for radioactive waste.

  5. Field Projects and Research Highlights for Jeff Nystuen 2004/2005 1. Spatial Averaging of Rain Generated Sound in the Ionian Sea, Greece: Jan-Apr 2004

    E-Print Network [OSTI]

    Nystuen, Jeffrey A.

    Generated Sound in the Ionian Sea, Greece: Jan-Apr 2004 An acoustic mooring with 4 PALs was deployed in 3 km deep water off the southwestern coast of Greece. Co-located radar measurements show the spatial

  6. EUDEEP (Smart Grid Project) (Greece) | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTIONRobertsdale, AlabamaETEC GmbH Jump to: navigation, search Name: ETEC GmbH Place:Germany) Jump

  7. Bulletin of the SeismologicalSociety of America, Vol. 87, No. 2, pp. 463473, April 1997 The Kozani-Grevena (Greece) Earthquake of 13 May 1995 Revisited

    E-Print Network [OSTI]

    Hatzfeld, Denis

    -Grevena (Greece) Earthquake of 13 May 1995 Revisited from a Detailed Seismological Study by D. Hatzfeld, V in Greece and occurred in a region of low seismic activity. Using regional data and the strong-motion record 1995 an earthquake of magnitude Ms = 6.6 occurred in Northern Greece and severely damaged about 5000

  8. Laboratory of Knowledge and Intelligent Computing (KIC) Department of Computer Engineering Technological Institute of Epirus, Arta, Greece http://kic.teiep.gr

    E-Print Network [OSTI]

    Dimakopoulos, Vassilios

    Technological Institute of Epirus, Arta, Greece http://kic.teiep.gr The Symbolic Aggregate approXimation method Petros Karvelis (Ph.D.) Technological Institute of Arta, Greece Department of Computer Engineering) Department of Computer Engineering Technological Institute of Epirus, Arta, Greece http

  9. Hidden force floating ice

    E-Print Network [OSTI]

    Chang Q. Sun

    2015-01-17

    Because of the segmental specific-heat disparity of the hydrogen bond (O:H-O) and the Coulomb repulsion between oxygen ions, cooling elongates the O:H-O bond at freezing by stretching its containing angle and shortening the H-O bond with an association of larger O:H elongation, which makes ice less dense than water, allowing it to float.

  10. Ice Storm Supercomputer

    ScienceCinema (OSTI)

    None

    2013-05-28

    "A new Idaho National Laboratory supercomputer is helping scientists create more realistic simulations of nuclear fuel. Dubbed 'Ice Storm,' this 2048-processor machine allows researchers to model and predict the complex physics behind nuclear reactor behavior. And with a new visualization lab, the team can see the results of its simulations on the big screen." For more information about INL research, visit http://www.facebook.com/idahonationallaboratory.

  11. Energy R and D in Germany

    SciTech Connect (OSTI)

    Runci, PJ

    1999-11-01

    Germany's total national (i.e., combined public and private sector) funding for R&D stood at $42 billion in 1997. The private sector accounted for nearly 62% ($24 billion) of the total, while the public sector accounted for approximately 38%. Since the late 1970s, when the public and private sectors each funded roughly half of Germany's R&D, the private sector has steadily assumed a larger and larger role as the dominant supporter of R&D activity, while overall government funding has remained essentially flat for much of the past two decades. In addition to declining relative to private R&D expenditures, public R&D expenditures in Germany declined by 4% in real terms between 1991 and 1997, to approximately $15 billion. The reduction in R&D investments in the public sector can be attributed in large part to the financial challenges associated with German reunification and related shifts in social priorities including efforts to address high unemployment and to rebuild basic infrastructure in the eastern states. R&D expenditures have also declined as a percentage of the total public budget, from a peak of 3.4% in 1985 to 2.7% in 1996. Energy R&D has been the hardest hit of all major socioeconomic areas of R&D expenditure funded by the German government. Between 1981 and 1997, public energy R&D fell from approximately $1.6 billion to $400 million--a 75% real decline. The $850 million reduction in Germany's fission R&D budget (which constituted two-thirds of government R&D investment in 1985) explains some 90% of the funding decline. Negative public perceptions regarding the safety and environmental impacts of nuclear energy have reduced nuclear power's viability as a long-term energy option for Germany. Discussions of a complete nuclear phaseout are now under way. At the same time, the German government has slashed its investments in fossil energy R&D by more than 90%. While energy efficiency and renewable energy technologies have fared relatively well in comparison with other energy technology areas, government support for all areas of energy R&D has declined in absolute terms since 1990. Remaining public and private sector energy R&D investments focus increasingly technology demonstration and commercialization efforts with relatively short time horizons.

  12. Remote Sensing of Changing Cryosphere, LandIce and Snow -Workshop of the European Association of Remote Sensing Laboratories (EARSeL),

    E-Print Network [OSTI]

    Zahn, Matthias

    Remote Sensing of Changing Cryosphere, LandIce and Snow - Workshop of the European Association of Remote Sensing Laboratories (EARSeL), Bern, Switzerland, 11-13 February 2008 Page 1 Potential and limits Max-Planck Institute of Meteorology, Germany #12;Remote Sensing of Changing Cryosphere, Land

  13. Climate Impacts of Ice Nucleation

    SciTech Connect (OSTI)

    Gettelman, A.; Liu, Xiaohong; Barahona, Donifan; Lohmann, U.; Chen, Chih-Chieh

    2012-10-27

    Several different ice nucleation parameterizations in two different General Circulation Models are used to understand the effects of ice nucleation on the mean climate state, and the climate effect of aerosol perturbations to ice clouds. The simulations have different ice microphysical states that are consistent with the spread of observations. These different states occur from different parameterizations of the ice cloud nucleation processes, and feature different balances of homogeneous and heterogeneous nucleation. At reasonable efficiencies, consistent with laboratory measurements and constrained by the global radiative balance, black carbon has a small (-0.06 Wm?2) and not statistically significant climate effect. Indirect effects of anthropogenic aerosols on cirrus clouds occur mostly due to increases in homogeneous nucleation fraction as a consequence of anthropogenic sulfur emissions. The resulting ice indirect effects do not seem strongly dependent on the ice micro-physical balance, but are slightly larger for those states with less homogeneous nucleation in the base state. The total ice AIE is estimated at 0.26±0.09 Wm?2 (1? uncertainty). This represents an offset of 20-30% of the simulated total Aerosol Indirect Effect for ice and liquid clouds.

  14. Published in the Proceedings of the Medical Informatics Europe'97 (MIE'97), C. Pappas, N. Maglaveras and J.-R. Scherrer (Eds), IOS Press, May 1997, Thessaloniki, Greece, 259-299.

    E-Print Network [OSTI]

    . Maglaveras and J.-R. Scherrer (Eds), IOS Press, May 1997, Thessaloniki, Greece, 259-299. XBONE: A Hybrid Patras, Greece and Computer Technology Institute, P.O. Box 1122, 26110 Patras, Greece. (2) Regional University Hospital of Patras, Dept of Nuclear Medicine, Patras, Greece. Abstract In this paper, XBONE

  15. 2009. In Tzekaki, M., Kaldrimidou, M. & Sakonidis, C. (Eds.). Proceedings of the 33rd Conference of the Inter-national Group for the Psychology of Mathematics Education, Vol. 4, pp. 401-408. Thessaloniki, Greece

    E-Print Network [OSTI]

    Prediger, Susanne

    , Greece: PME. "...BECAUSE `OF' IS ALWAYS MINUS..." - STUDENTS EXPLAINING THEIR CHOICE OF OPERATIONS

  16. CURRICULUM VITAE PERSONAL DATA

    E-Print Network [OSTI]

    Politi, Antonio

    (Germany), Bad Honnef (Germany), Dresden (Germany), Chennai (India), Santa Fe (USA), Palma de Mallorca (Spain), Budapest (Hungary), Heraklion (Greece), Rhodos&Mianmaris (Greece & Turkey), Trieste ICTP (Italy Research Center, University of Augsburg (Germany), Humboldt University (Berlin, Germany), University

  17. 0RGHOEDVHG ULVN DVVHVVPHQW WKH &25$6 DSSURDFK .HWLO 6WOHQ1

    E-Print Network [OSTI]

    Stølen, Ketil

    commercial companies: Intracom (Greece), Solinet (Germany) and Telenor (Norway); seven research institutes: CTI (Greece), FORTH (Greece), IFE (Norway), NCT (Norway), NR (Norway), RAL (UK) and Sintef (Norway

  18. ARM - Ice Cores

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Comments? WeDatastreamstps DocumentationAtlanticENAField ParticipantsField Campaign StatisticsPastIce Cores

  19. Germany Geothermal Region | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History View New PagesSustainable UrbanKentucky:BoreOpen Energy InformationOpenGerlachMaryland:Germany

  20. GE Global Research Europe in Munich, Germany

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach Home Room NewsInformation Current HABFESOpportunities Nuclear Physics (NP)about aMunich, Germany Munich,

  1. Therapeutic Hypothermia: Protective Cooling Using Medical Ice...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Therapeutic Hypothermia: Protective Cooling Using Medical Ice Slurry Technology available for licensing: Proprietary method and equipment for making an ice slurry coolant to induce...

  2. Biogeochemistry in Sea Ice: CICE model developments

    SciTech Connect (OSTI)

    Jeffery, Nicole; Hunke, Elizabeth; Elliott, Scott; Turner, Adrian

    2012-06-18

    Polar primary production unfolds in a dynamic sea ice environment, and the interactions of sea ice with ocean support and mediate this production. In spring, for example, fresh melt water contributes to the shoaling of the mixed layer enhancing ice edge blooms. In contrast, sea ice formation in the fall reduces light penetration to the upper ocean slowing primary production in marine waters. Polar biogeochemical modeling studies typically consider these types of ice-ocean interactions. However, sea ice itself is a biogeochemically active medium, contributing a significant and, possibly, essential source of primary production to polar regions in early spring and fall. Here we present numerical simulations using the Los Alamos Sea Ice Model (CICE) with prognostic salinity and sea ice biogeochemistry. This study investigates the relationship between sea ice multiphase physics and sea ice productivity. Of particular emphasis are the processes of gravity drainage, melt water flushing, and snow loading. During sea ice formation, desalination by gravity drainage facilitates nutrient exchange between ocean and ice maintaining ice algal blooms in early spring. Melt water flushing releases ice algae and nutrients to underlying waters limiting ice production. Finally, snow loading, particularly in the Southern Ocean, forces sea ice below the ocean surface driving an upward flow of nutrient rich water into the ice to the benefit of interior and freeboard communities. Incorporating ice microphysics in CICE has given us an important tool for assessing the importance of these processes for polar algal production at global scales.

  3. Light propagation in the South Pole ice

    SciTech Connect (OSTI)

    Williams, Dawn; Collaboration: IceCube Collaboration

    2014-11-18

    The IceCube Neutrino Observatory is located in the ice near the geographic South Pole. Particle showers from neutrino interactions in the ice produce light which is detected by IceCube modules, and the amount and pattern of deposited light are used to reconstruct the properties of the incident neutrino. Since light is scattered and absorbed by ice between the neutrino interaction vertex and the sensor, IceCube event reconstruction depends on understanding the propagation of light through the ice. This paper presents the current status of modeling light propagation in South Pole ice, including the recent observation of an azimuthal anisotropy in the scattering.

  4. MEAT, POULTRY, Still contains ice

    E-Print Network [OSTI]

    Liskiewicz, Maciej

    MEAT, POULTRY, SEAFOOD Still contains ice crystals and feels as cold, and ground meats Refreeze Discard Poultry and ground poultry Refreeze Discard Variety meats may safely re-freeze foods that s:ll contain ice crystals or that have been

  5. "Sustainable" and Worth-living Integrated Development of mountainous areas in Greece and worldwide

    E-Print Network [OSTI]

    Psarrakos, Panayiotis

    "Sustainable" and Worth-living Integrated Development of mountainous areas in Greece and worldwide on initiatives of one-dimensional and mostly urban economic development. The exception to this rule has been is being discovered and its "exploitation" is being pursued, in the context of the ideology of "sustainable

  6. Geology students in Greece for a regional spring course. Are you interested in natural

    E-Print Network [OSTI]

    Marsh, David

    Geology students in Greece for a regional spring course. Are you interested in natural resources reasoning are equally important to the solution? FALL 2013 W&L GEOLOGY Course offerings for FIRST:35p FS: GEN GEOL-FIELD EMPHASIS 4 GREER L Fulfill your Lab Science FDR SL and see what Geology has

  7. Status of wind energy in Germany

    SciTech Connect (OSTI)

    Gerdes, G.; Molly, J.P.; Rehfeldt, K.

    1996-12-31

    By the end of 1995 in total 3655 wind turbines (WT`s) were installed in Germany with a total capacity of 1,136 MW. In the year 1995 alone the WT installations grew by 1,070 units with 505 MW. About 40% of the 1995 installations were sold to inland states of Germany with their lower wind speed potential. This fast development occurred in parallel to continuously reduced local state and federal subsidies. The further development is based mainly on the guaranteed reimbursement due to the Electricity Feed Law. But since some time the electricity utilities fight back on all legal and political levels to get cancelled the unloved Electricity Feed Law and since two years the building construction law with the foreseen privilege for WT`s is discussed without any result. All these difficulties affect investors and credit giving banks in such a negative way, that the further annual increase in wind power installation for 1996 could be 10 to 20% less than in 1995. Many of the new commercial Megawatt WT`s have pitch control and variable rotor speed which cause better electrical power quality and lower life time loads. From statistical evaluations on technical data of WT`s a good overview of the further development is derived. 8 refs., 10 figs.

  8. Winter Driving Tips Driving in Ice & Snow

    E-Print Network [OSTI]

    Capogna, Luca

    Winter Driving Tips Driving in Ice & Snow: When you must drive, clear the ice and snow from your in ice and snow, other drivers will be traveling cautiously. Don't disrupt the flow of traffic by driving handle better in ice and snow, but they do not have flawless traction, and skids can occur unexpectedly

  9. The Role of Social Partners in Bargaining over Non-wage Issues across Austria, Greece and Italy. 

    E-Print Network [OSTI]

    Rodriguez d’Acri, Costanza; Johnston, Alison; Kornelakis, Andreas

    2009-01-01

    the bargaining over ‘non-wage’ issues has developed within three European economies: Austria, Greece and Italy. Each is representative of a different variant of corporatism, and therefore we look at the ability of social partners with variable institutional...

  10. LET THE SUN SHINE: OPTIMAL DEPLOYMENT OF PHOTOVOLTAICS IN GERMANY

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    LET THE SUN SHINE: OPTIMAL DEPLOYMENT OF PHOTOVOLTAICS IN GERMANY Anna CRETI Jérôme JOAUG Cahier n:chantal.poujouly@polytechnique.edu hal-00751743,version1-14Nov2012 #12;Let the sun shine: optimal deployment of photovoltaics in Germany-in tari¤s to foster the di¤usion of photovoltaics is recently being rediscussed in several countries

  11. Excellent opportunities for academic careers at every stage in Germany

    E-Print Network [OSTI]

    Rossak, Wilhelm R.

    Excellent opportunities for academic careers at every stage in Germany SCHOLARSHIP PROGRAMS-Schiller-Universität Jena Max-Wien-Platz 1 07743 Jena Germany Phone: +49 3641 947960 Fax: +49 3641 947962 www sources to improved renewable energy or to wherever your imagination takes us. Without photonic

  12. Ice thickness measurements by Raman scattering

    E-Print Network [OSTI]

    Pershin, Sergey M; Klinkov, Vladimir K; Yulmetov, Renat N; Bunkin, Alexey F

    2014-01-01

    A compact Raman LIDAR system with a spectrograph was used for express ice thickness measurements. The difference between the Raman spectra of ice and liquid water is employed to locate the ice-water interface while elastic scattering was used for air-ice surface detection. This approach yields an error of only 2 mm for an 80-mm-thick ice sample, indicating that it is promising express noncontact thickness measurements technique in field experiments.

  13. Method of forming calthrate ice

    DOE Patents [OSTI]

    Hino, T.; Gorski, A.J.

    1985-09-30

    A method of forming clathrate ice in a supercooled water-based liquid contained in a vessel is disclosed. Initially, an oscillator device is located in the liquid in the vessel. The oscillator device is then oscillated ultransonically so that small crystals are formed in the liquid. Thes small crystals serve as seed crystals for ice formation in the liquid and thereby prevent supercooling of the liquid. Preferably, the oscillating device is controlled by a thermostat which initiates operation of the oscillator device when the temperature of the liquid is lowered to the freezing point. Thereafter, the operation of the oscillator device is terminated when ice is sensed in the liquid by an ice sensor.

  14. Method of forming clathrate ice

    DOE Patents [OSTI]

    Hino, Toshiyuki (Tokyo, JP); Gorski, Anthony J. (Lemont, IL)

    1987-01-01

    A method of forming clathrate ice in a supercooled water-based liquid contained in a vessel is disclosed. Initially, an oscillator device is located in the liquid in the vessel. The oscillator device is then oscillated ultrasonically so that small crystals are formed in the liquid. These small crystals serve as seed crystals for ice formation in the liquid and thereby prevent supercooling of the liquid. Preferably, the oscillating device is controlled by a thermostat which initiates operation of the oscillator device when the temperature of the liquid is lowered to the freezing point. Thereafter, the operation of the oscillator device is terminated when ice is sensed in the liquid by an ice sensor.

  15. An Analysis of Residential PV System Price Differences Between the United States and Germany

    E-Print Network [OSTI]

    Seel, Joachim

    2014-01-01

    electricity prices over time (similar to the new reality in GermanyGermany $/W German system price $ 2011/W FiT $/kWh Electricityprice differences between Germany and the United States affect the associated electricity

  16. An experimental and theoretical study of the ice accretion process during artificial and natural icing conditions

    E-Print Network [OSTI]

    Kirby, Mark Samuel

    1986-01-01

    Real-time measurements of ice growth during artificial and natural icing conditions were conducted using an ultrasonic pulse-echo technique. This technique allows ice thickness to be measured with an accuracy of ?0.5 mm; ...

  17. Impact of solar activity on climate changes in Athens region, Greece

    E-Print Network [OSTI]

    Gizani, Nectaria A B; Vatikiotis, Leonidas; Zervas, Efthimios

    2011-01-01

    The scope of this work is to study the role that the solar weather plays in terrestrial weather. For this reason we study the effect of the solar activity on the climate changes in Greece. In the current work we look for possible correlation between the solar activity data spanning the years from 1975 to 2000 and the meteorological data from two weather stations based inside the city of Athens, Greece (New Philadelphia) and in greater Athens in the north of Attica (Tatoi area). We examine the annual variations of the average values of six meteorological parameters: temperature, atmospheric pressure, direction and intensity of wind, rainfall and relative air humidity. The solar data include decade variations, within the above period, of the solar irradiance, mean sunspot number between two solar cycles, magnetic cycle influence, and solar UV driving of climate (radio flux).

  18. October 22, 2003 14:21 WSPC/Trim Size: 9in x 6in for Proceedings Ca-Co-Greece03 MIXED BOUNDARY VALUE PROBLEMS IN INVERSE

    E-Print Network [OSTI]

    Cakoni, Fioralba

    October 22, 2003 14:21 WSPC/Trim Size: 9in x 6in for Proceedings Ca-Co-Greece03 MIXED BOUNDARY/Trim Size: 9in x 6in for Proceedings Ca-Co-Greece03 2 2. The Inverse Scattering Problem for Partially Coated for Proceedings Ca-Co-Greece03 3 it is shown in 4 that there exists a unique solution to (1)-(5) such that E

  19. Vapor deposition of water on graphitic surfaces: Formation of amorphous ice, bilayer ice, ice I, and liquid water

    SciTech Connect (OSTI)

    Lupi, Laura; Kastelowitz, Noah; Molinero, Valeria

    2014-11-14

    Carbonaceous surfaces are a major source of atmospheric particles and could play an important role in the formation of ice. Here we investigate through molecular simulations the stability, metastability, and molecular pathways of deposition of amorphous ice, bilayer ice, and ice I from water vapor on graphitic and atomless Lennard-Jones surfaces as a function of temperature. We find that bilayer ice is the most stable ice polymorph for small cluster sizes, nevertheless it can grow metastable well above its region of thermodynamic stability. In agreement with experiments, the simulations predict that on increasing temperature the outcome of water deposition is amorphous ice, bilayer ice, ice I, and liquid water. The deposition nucleation of bilayer ice and ice I is preceded by the formation of small liquid clusters, which have two wetting states: bilayer pancake-like (wetting) at small cluster size and droplet-like (non-wetting) at larger cluster size. The wetting state of liquid clusters determines which ice polymorph is nucleated: bilayer ice nucleates from wetting bilayer liquid clusters and ice I from non-wetting liquid clusters. The maximum temperature for nucleation of bilayer ice on flat surfaces, T{sub B}{sup max} is given by the maximum temperature for which liquid water clusters reach the equilibrium melting line of bilayer ice as wetting bilayer clusters. Increasing water-surface attraction stabilizes the pancake-like wetting state of liquid clusters leading to larger T{sub B}{sup max} for the flat non-hydrogen bonding surfaces of this study. The findings of this study should be of relevance for the understanding of ice formation by deposition mode on carbonaceous atmospheric particles, including soot.

  20. Electrothermal Icing Protection of Aerosurfaces Using Conductive Polymer Nanocomposites

    E-Print Network [OSTI]

    Buschhorn, Samuel T.

    Ice protection systems (IPS) are critical components for many aerospace flight vehicles, including commercial transports and unmanned aerial systems (UAS), and can include anti-icing, de-icing, ice sensing, etc. Here, an ...

  1. Coherent radar ice thickness measurements over the Greenland ice sheet

    E-Print Network [OSTI]

    Gogineni, S. Prasad; Tammana, Dilip; Braaten, David A.; Leuschen, C.; Legarsky, J.; Kanagaratnam, P.; Stiles, J.; Allen, C.; Jezek, K.; Akins, T. L.

    2001-12-27

    averaged over a distance covered by aircraft in 1 s (-130 m).) tt(X, g = -d) = Sice(t: T, x). (6) The value t = - can be interpreted as the time when S ice(t, x) represents the wave energy due to scattering specifically from depth d, as opposed... of the Greenland ice sheet produced by Mark Fahnestock (Department of Meteorology, University of Maryland, College Park) and Ron Kwok (Jet Propulsion Laboratory, California Institute of Technology, Pasa- dena). The helpful suggestions and comments of two...

  2. Rubber friction on ice and snow surfaces 

    E-Print Network [OSTI]

    Skouvaklis, Gerasimos

    2011-06-28

    The friction of rubber on ice and snow surfaces is complex. Deeper scientific understanding is important for optimising performance of tyres in winter. Rubber, ice and snow systems exhibit frictional behaviour which ...

  3. Heavy ion irradiation of crystalline water ice

    E-Print Network [OSTI]

    Dartois, E; Boduch, P; Brunetto, R; Chabot, M; Domaracka, A; Ding, J J; Kamalou, O; Lv, X Y; Rothard, H; da Silveira, E F; Thomas, J C

    2015-01-01

    Under cosmic irradiation, the interstellar water ice mantles evolve towards a compact amorphous state. Crystalline ice amorphisation was previously monitored mainly in the keV to hundreds of keV ion energies. We experimentally investigate heavy ion irradiation amorphisation of crystalline ice, at high energies closer to true cosmic rays, and explore the water-ice sputtering yield. We irradiated thin crystalline ice films with MeV to GeV swift ion beams, produced at the GANIL accelerator. The ice infrared spectral evolution as a function of fluence is monitored with in-situ infrared spectroscopy (induced amorphisation of the initial crystalline state into a compact amorphous phase). The crystalline ice amorphisation cross-section is measured in the high electronic stopping-power range for different temperatures. At large fluence, the ice sputtering is measured on the infrared spectra, and the fitted sputtering-yield dependence, combined with previous measurements, is quadratic over three decades of electronic ...

  4. Thermal Storage with Ice Harvesting Systems 

    E-Print Network [OSTI]

    Knebel, D. E.

    1986-01-01

    Application of Harvesting Ice Storage Systems. Thermal storage systems are becoming widely accepted techniques for utility load management. This paper discusses the principles of ice harvesting equipment and their application to the multi...

  5. The convective desalination of sea ice

    E-Print Network [OSTI]

    Rees Jones, David

    2014-07-01

    in the interstices of an ice matrix. My focus is on one of the processes by which the salt content of sea ice decreases, namely convective desalination, which is also often called gravity drainage by geophysicists. Modelling convective desalination requires...

  6. Electrical properties of saline ices and ice-silicate mixtures: geophysical and astrobiological consequences (Invited)

    E-Print Network [OSTI]

    Stillman, David E.

    MR22A-05 Electrical properties of saline ices and ice-silicate mixtures: geophysical) electrical-properties measurements of laboratory- produced saline ice, salt hydrates, and ice of interior properties, and habitability. The electrical properties of saline H2O are controlled by the binary

  7. Workshop on Intelligent Techniques for Spatio-Temporal Data Analysis in Environmental Applications, Chania, Greece, 1999

    E-Print Network [OSTI]

    Kansas, University of

    Technology Center Department of Electrical Engineering and Computer Science The University of Kansas Lawrence it fuses the SAR-extracted features with digital grid climatology data and sea ice concentration data. The growth and decay of sea ice in the polar regions indicate changes in global weather patterns; and because

  8. Heraklion, Crete-Greece, September 14-15, 2012 Laforcade / Abedmouleh 1/19 Improving the design of courses thanks toImproving the design of courses thanks to

    E-Print Network [OSTI]

    Laforcade, Pierre

    Heraklion, Crete-Greece, September 14-15, 2012 Laforcade / Abedmouleh 1/19 Improving the design University Laval, France #12;Heraklion, Crete-Greece, September 14-15, 2012 Laforcade / Abedmouleh 2/19 What our university #12;Heraklion, Crete-Greece, September 14-15, 2012 Laforcade / Abedmouleh 3/19 Outline

  9. Medical ice slurry production device

    DOE Patents [OSTI]

    Kasza, Kenneth E. (Palos Park, IL); Oras, John (Des Plaines, IL); Son, HyunJin (Naperville, IL)

    2008-06-24

    The present invention relates to an apparatus for producing sterile ice slurries for medical cooling applications. The apparatus is capable of producing highly loaded slurries suitable for delivery to targeted internal organs of a patient, such as the brain, heart, lungs, stomach, kidneys, pancreas, and others, through medical size diameter tubing. The ice slurry production apparatus includes a slurry production reservoir adapted to contain a volume of a saline solution. A flexible membrane crystallization surface is provided within the slurry production reservoir. The crystallization surface is chilled to a temperature below a freezing point of the saline solution within the reservoir such that ice particles form on the crystallization surface. A deflector in the form of a reciprocating member is provided for periodically distorting the crystallization surface and dislodging the ice particles which form on the crystallization surface. Using reservoir mixing the slurry is conditioned for easy pumping directly out of the production reservoir via medical tubing or delivery through other means such as squeeze bottles, squeeze bags, hypodermic syringes, manual hand delivery, and the like.

  10. Life Cycle Assessment of the MBT plant in Ano Liossia, Athens, Greece

    SciTech Connect (OSTI)

    Abeliotis, Konstadinos; Kalogeropoulos, Alexandros; Lasaridi, Katia

    2012-01-15

    Highlights: Black-Right-Pointing-Pointer We model the operation of an MBT plant in Greece based on LCA. Black-Right-Pointing-Pointer We compare four different MBT operating scenarios (among them and with landfilling). Black-Right-Pointing-Pointer Even the current operation of the MBT plant is preferable to landfilling. Black-Right-Pointing-Pointer Utilization of the MBT compost and metals generates the most environmental gains. Black-Right-Pointing-Pointer Thermal exploitation of RDF improves further the environmental performance of the plant. - Abstract: The aim of this paper is the application of Life Cycle Assessment to the operation of the MBT facility of Ano Liossia in the region of Attica in Greece. The region of Attica is home to almost half the population of Greece and the management of its waste is a major issue. In order to explicitly analyze the operation of the MBT plant, five scenarios were generated. Actual operation data of the MBT plant for the year 2008 were provided by the region of Attica and the LCA modeling was performed via the SimaPro 5.1 software while impact assessment was performed utilizing the Eco-indicator'99 method. The results of our analysis indicate that even the current operation of the MBT plant is preferable to landfilling. Among the scenarios of MBT operation, the one with complete utilization of the MBT outputs, i.e. compost, RDF, ferrous and non-ferrous metals, is the one that generates the most environmental gains. Our analysis indicates that the exploitation of RDF via incineration is the key factor towards improving the environmental performance of the MBT plant. Our findings provide a quantitative understanding of the MBT plant. Interpretation of results showed that proper operation of the modern waste management systems can lead to substantial reduction of environmental impacts and savings of resources.

  11. Bedmap2: improved ice bed, surface and thickness datasets for Antarctica

    E-Print Network [OSTI]

    2013-01-01

    Surface configuration, ice thick- ness, volume and bedrockconstruction of the ice thick- ness grids. between flightof the physical ice thick- ness, rather than an “ice-

  12. Hydrogen ICE Vehicle Testing Activities

    SciTech Connect (OSTI)

    J. Francfort; D. Karner

    2006-04-01

    The Advanced Vehicle Testing Activity teamed with Electric Transportation Applications and Arizona Public Service to develop and monitor the operations of the APS Alternative Fuel (Hydrogen) Pilot Plant. The Pilot Plant provides 100% hydrogen, and hydrogen and compressed natural gas (H/CNG)-blended fuels for the evaluation of hydrogen and H/CNG internal combustion engine (ICE) vehicles in controlled and fleet testing environments. Since June 2002, twenty hydrogen and H/CNG vehicles have accumulated 300,000 test miles and 5,700 fueling events. The AVTA is part of the Department of Energy’s FreedomCAR and Vehicle Technologies Program. These testing activities are managed by the Idaho National Laboratory. This paper discusses the Pilot Plant design and monitoring, and hydrogen ICE vehicle testing methods and results.

  13. FAFCO Ice Storage test report

    SciTech Connect (OSTI)

    Stovall, T.K.

    1993-11-01

    The Ice Storage Test Facility (ISTF) is designed to test commercial ice storage systems. FAFCO provided a storage tank equipped with coils designed for use with a secondary fluid system. The FAFCO ice storage system was tested over a wide range of operating conditions. Measured system performance during charging showed the ability to freeze the tank fully, storing from 150 to 200 ton-h. However, the charging rate showed significant variations during the latter portion of the charge cycle. During discharge cycles, the storage tank outlet temperature was strongly affected by the discharge rate and tank state of charge. The discharge capacity was dependent upon both the selected discharge rate and maximum allowable tank outlet temperature. Based on these tests, storage tank selection must depend on both charge and discharge conditions. This report describes FAFCO system performance fully under both charging and discharging conditions. While the test results reported here are accurate for the prototype 1990 FAFCO Model 200, currently available FAFCO models incorporate significant design enhancements beyond the Model 200. At least one major modification was instituted as a direct result of the ISTF tests. Such design improvements were one of EPRI`s primary goals in founding the ISTF.

  14. Geol 795 Paleoceanography Ice Sheet Dynamics and Climate Change

    E-Print Network [OSTI]

    Barranco, Joseph

    Geol 795 ­ Paleoceanography Ice Sheet Dynamics and Climate Change Class Meetings: Tuesday 9 of articles related ice sheet dynamics and the role of ice sheets in past, present, and future climate change ice sheet dynamics and the role of ice sheets in climate change. We will discuss effective ways

  15. ILASS Europe 2013, 25th European Conference on Liquid Atomization and Spray Systems, Chania, Greece, 1-4 September 2013

    E-Print Network [OSTI]

    characterizing the air flow configuration. Introduction Reduction of pollutant emissions and improvement, Greece, 1-4 September 2013 1 Experimental study on the influence of the liquid and air thicknesses on a planar air- blasted liquid sheet Baptiste Déjean1* , Pierre Berthoumieu1 and Pierre Gajan1 1: DMAE, Onera

  16. Int. Symposium on Mechanics and Materials, May 9-14, 2010, Greece CAD-Based Simulation of Gear hobbing

    E-Print Network [OSTI]

    Aristomenis, Antoniadis

    31st Int. Symposium on Mechanics and Materials, May 9-14, 2010, Greece CAD-Based Simulation of Gear ABSTRACT Gear hobbing is a common method of manufacturing high precision involute gears. The thorough to produce helical and spur gears as they influence the cost of the manufacturing process and the quality

  17. Late-Pliocene timing of Corinth (Greece) rift-margin fault migration M.R. Leeder a,

    E-Print Network [OSTI]

    Utrecht, Universiteit

    Late-Pliocene timing of Corinth (Greece) rift-margin fault migration M.R. Leeder a, , G.H. Mack b Mexico State University, Las Cruces, NM 88003, USA c NERC Isotope Geosciences Laboratory, Kingsley Dunham Centre, Keyworth, Nottingham, NG12 5GG, UK d Geochronology Research Laboratory, New Mexico Bureau

  18. A FRAMEWORK FOR H-ANIM SUPPORT IN NVES Research Academic Computer Technology Institute (CTI), Greece and

    E-Print Network [OSTI]

    Bouras, Christos

    is an architecture that integrates the kinematic, physical and behavioral aspects to control H-Anim virtual humans/VRML worlds with interactive H-Anim virtual humans whose behavior is based on the Sense-Decide- Act paradigm Computer Technology Institute (CTI), Greece tsiatsos@csd.auth.gr Keywords: Virtual reality, H-Anim

  19. IceT users' guide and reference.

    SciTech Connect (OSTI)

    Moreland, Kenneth D.

    2011-01-01

    The Image Composition Engine for Tiles (IceT) is a high-performance sort-last parallel rendering library. In addition to providing accelerated rendering for a standard display, IceT provides the unique ability to generate images for tiled displays. The overall resolution of the display may be several times larger than any viewport that may be rendered by a single machine. This document is an overview of the user interface to IceT.

  20. In situ cosmogenic radiocarbon production and 2-D ice flow line modeling for an Antarctic blue ice area

    E-Print Network [OSTI]

    Severinghaus, Jeffrey P.

    In situ cosmogenic radiocarbon production and 2-D ice flow line modeling for an Antarctic blue ice; accepted 12 April 2012; published 24 May 2012. [1] Radiocarbon measurements at ice margin sites and blue and 2-D ice flow line modeling for an Antarctic blue ice area, J. Geophys. Res., 117, F02029, doi:10

  1. Competition on Software Verification University of Passau, Germany

    E-Print Network [OSTI]

    Beyer, Dirk

    and Analysis of Systems (TACAS). 1 Introduction The area of verification, in particular model checking, has). Several new and powerful software-verification tools became available, but they have not been comparedCompetition on Software Verification (SV-COMP) Dirk Beyer University of Passau, Germany Abstract

  2. NEW MACHINE VISION APPLICATIONS IN GERMANY Claus-E. Liedtke

    E-Print Network [OSTI]

    applications in the biomedical field, the printing industry, industrial automation, navigation, remote sensing activities. 2. 3D SCENE ANALYSIS FOR QUALITY CONTROL In industrial automation an increased request, or concepts developed at research institutes and the industry in Germany. 1. INTRODUCTION Research

  3. NEW MACHINE VISION APPLICATIONS IN GERMANY Claus-E. Liedtke

    E-Print Network [OSTI]

    applications in the biomedical field, the printing industry, industrial automation, navigation, remote sensing SCENE ANALYSIS FOR QUALITY CONTROL In industrial automation an increased request for computer vision, or concepts developed at research institutes and the industry in Germany. 1. INTRODUCTION Research

  4. Ecient elasto-plastic simulation ICA, University of Stuttgart, Germany

    E-Print Network [OSTI]

    Wieners, Christian

    EÃ?cient elasto-plastic simulation C. Wieners ICA, University of Stuttgart, Germany Summary. In this paper we describe a method for the construction of radial re- turn algorithms to the plasticity models plasticity, the constitutive equations are determined by the free energy functional and a monotone function

  5. Industrial heat pumps in Germany -potentials, technological development

    E-Print Network [OSTI]

    Oak Ridge National Laboratory

    1 Industrial heat pumps in Germany - potentials, technological development and application examples of Energy (IER) Universität Stuttgart ACHEMA 2012 Application of industrial heat pumps Improving energy-efficiency of industrial processes 13. Juni 2012 #12;ACHEMA 2012 - Industrial heat pumps 21st June 2012 Types of Heat Pumps

  6. CLIMATE POLICY OUTCOMES IN GERMANY Environmental Performance and Environmental Damage

    E-Print Network [OSTI]

    Qiu, Weigang

    CLIMATE POLICY OUTCOMES IN GERMANY Environmental Performance and Environmental Damage in Eleven and is exceeding its ambitious Kyoto commitment. Hence, it is commonly portrayed as a climate-policy success story. Third, researchers on climate policies should more often begin with outcomes, work backward to policies

  7. Biomedical Engineering Specimen Curriculum Boston University Dresden, Germany

    E-Print Network [OSTI]

    Biomedical Engineering Specimen Curriculum Boston University Dresden, Germany Spring Semester Circuits II, Lab 4 BME 271 Biomedical Instrumentation 4 BME 210 Physiological Transport 3 BME 252 Systems Physiology 3 Math 194 Linear Algebra 3 BME 260 Analysis of Biomedical Data 3 BME ELEC BME Elective 3 BME 103

  8. A survey of environmental needs and innovative technologies in Germany

    SciTech Connect (OSTI)

    Voss, C.F.; Roberds, W.J. [Golder Associates, Inc., Redmond, WA (United States)

    1995-05-01

    The International Technology Program (IT?), formerly the international Technology Exchange Program (ITEP), of the Department of Energy`s (DOE`s) Office of Environmental Restoration and Waste Management (EM) is responsible for promoting: (1) the import of innovative technologies to better address EM`s needs; and (2) the export of US services into foreign markets to enhance US competitiveness. Under this program: (1) the environmental restoration market in Germany was evaluated, including the description of the general types of environmental problems, the environmental regulations, and specific selected contaminated sites; and (2) potentially innovative environmental restoration technologies, either commercially available or under development in Germany, were identified, described and evaluated. It was found that: (1) the environmental restoration market in Germany is very large, on the order of several billion US dollars per year, with a significant portion possibly available to US businesses; and (2) a large number (54) of innovative environmental restoration technologies, which are either commercially available or under development in Germany, may have some benefit to the DOE EM program and should be considered for transfer to the US.

  9. BISICLES Captures Details of Retreating Antarctic Ice

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    software framework, and linked them to the existing Community Ice Sheet Model code (CISM). With AMR, researchers can now model dynamic points of interest at extremely high...

  10. The Next ICE Age | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    More Documents & Publications The Next ICE Age Fuel Modification t Facilitate Future Combustion Regimes? Optimization of Advanced Diesel Engine Combustion Strategies...

  11. The Stability of the Greenland Ice Sheet

    E-Print Network [OSTI]

    Biasutti, Michela

    , distribution and seasonality · Solid Earth: · Geothermal heatflux Abrupt Climate Change Studies Symposium 21 Rebound (GIA) GPS stations measure vertical deformation of solid Earth as ice

  12. Relationships between Water Wettability and Ice Adhesion

    E-Print Network [OSTI]

    Meuler, Adam J.

    Ice formation and accretion may hinder the operation of many systems critical to national infrastructure, including airplanes, power lines, windmills, ships, and telecommunications equipment. Yet despite the pervasiveness ...

  13. Viscosity of interfacial water regulates ice nucleation

    SciTech Connect (OSTI)

    Li, Kaiyong; Chen, Jing; Zhang, Qiaolan; Zhang, Yifan; University of Chinese Academy of Sciences, Beijing 100049 ; Xu, Shun; Zhou, Xin; Cui, Dapeng; Wang, Jianjun Song, Yanlin

    2014-03-10

    Ice formation on solid surfaces is an important phenomenon in many fields, such as cloud formation and atmospheric icing, and a key factor for applications in preventing freezing. Here, we report temperature-dependent nucleation rates of ice for hydrophilic and hydrophobic surfaces. The results show that hydrophilic surface presents a lower ice nucleation rate. We develop a strategy to extract the thermodynamic parameters, J{sub 0} and ?, in the context of classical nucleation theory. From the extracted J{sub 0} and ?, we reveal the dominant role played by interfacial water. The results provide an insight into freezing mechanism on solid surfaces.

  14. Mathematics Of Ice To Aid Global Warming Forecasts Mathematics Of Ice To Aid Global Warming Forecasts

    E-Print Network [OSTI]

    Golden, Kenneth M.

    Mathematics Of Ice To Aid Global Warming Forecasts Mathematics Of Ice To Aid Global Warming forecasts of how global warming will affect polar icepacks. See also: Earth & Climate q Global Warming q the effects of climate warming, and its presence greatly reduces solar heating of the polar oceans." "Sea ice

  15. Relationship between ice water content and equivalent radar reflectivity for clouds consisting of nonspherical ice particles

    E-Print Network [OSTI]

    Baum, Bryan A.

    Relationship between ice water content and equivalent radar reflectivity for clouds consisting investigates the relationship between ice water content (IWC) and equivalent radar reflectivity (Ze) at 94 GHz. Baum, and A. J. Heymsfield (2008), Relationship between ice water content and equivalent radar

  16. A New Approach for Exploring Ice Sheets and Sub-Ice Geology

    E-Print Network [OSTI]

    Kristoffersen, Yngve

    A New Approach for Exploring Ice Sheets and Sub-Ice Geology Active seismic measurements were geology driven by ice flow [Smith et al., 2007] and the long record of seismic exploration of subglacial sur- veys because of the considerable logistical effort necessary for seismic data acquisition

  17. Satellite SAR Remote Sensing of Great Lakes Ice Cover, Part 2. Ice Classification and Mapping

    E-Print Network [OSTI]

    (look-up table) for different ice types. The library is used in the computer classifica- tion (freshwater) ice types using the Jet Propulsion Laboratory C-band scatterometer, together with surface data set, composed of over 20 variations of different ice types measured at incident angles from 0

  18. This program will travel to Geneva, Fluehli, Gruyere, Root, Nenzlingen, & Basel (Switzerland); Freiburg, Staufen, Gunsbach, & Heidelberg (Germany); and

    E-Print Network [OSTI]

    Jawitz, James W.

    (Switzerland); Freiburg, Staufen, Gunsbach, & Heidelberg (Germany); and Strasbourg (France). College DISCOVER various aspects of medicine, microbiology & health in Germany, France & Switzerland VISIT key & HEALTH Summer A: TBA 2016| UF in Switzerland, Germany & France EXCURSIONS Visit the World Health

  19. Who Is a Nazi Victim? Constructing Victimhood Through Post-War Reparations in France, Germany, Switzerland

    E-Print Network [OSTI]

    Ludi, Regula

    2005-01-01

    Socialism: An Example of how Switzerland Came to Terms within France, Germany and Switzerland 1 (CEES, 26 May 2005) MyFrance, Germany and Switzerland. Let’s take the case of

  20. ARKTOS: An intelligent system for SAR sea ice image classification

    E-Print Network [OSTI]

    Soh, L. K.; Tsatsoulis, Costas; Gineris, D.; Bertoia, C.

    2004-01-01

    We present an intelligent system for satellite sea ice image analysis named Advanced Reasoning using Knowledge for T ping Of Sea ice (ARKTOS). ARKTOS performs fully automated analysis of synthetic aperture radar (SAR) sea ice images by mimicking...

  1. Staying Civil: Conscientious Objection and Civil Society in West Germany, 1956-1966 

    E-Print Network [OSTI]

    Donnelly, Jared Ryan

    2015-07-22

    Union of Germany (Christlich Demokratische Union Deutschlands) CND Campaign for Nuclear Disarmament CNVA Committee for Nonviolent Action CO Conscientious Objection CSU Christian Social Union in Bavaria (Christlich-Soziale Union in Bayern) DAC... (Deutsche Partei) EDC Pan-European Defense Community vi EKD West Germany’s Protestant Church (Evangelische Kirche in Deutschland) FDP Free Democratic Party (Freie Demokratische Partei) FRG Federal Republic of Germany GdW Group of Military Service...

  2. A direct evidence of vibrationally delocalized response at ice surface

    SciTech Connect (OSTI)

    Ishiyama, Tatsuya; Morita, Akihiro

    2014-11-14

    Surface-specific vibrational spectroscopic responses at isotope diluted ice and amorphous ice are investigated by molecular dynamics (MD) simulations combined with quantum mechanics/molecular mechanics calculations. The intense response specific to the ordinary crystal ice surface is predicted to be significantly suppressed in the isotopically diluted and amorphous ices, demonstrating the vibrational delocalization at the ordinary ice surface. The collective vibration at the ice surface is also analyzed with varying temperature by the MD simulation.

  3. Trade and the flag:integration and conflict in 19th and early 20th century deglobalization

    E-Print Network [OSTI]

    Chase-Dunn, Chris; Anders Carlson; Chris Schmitt; Shoon Lio; Richard Niemeyer; Robert A. Hanneman

    2006-01-01

    network ties of Germany and Turkey (allies in World War I)China Greece Germany Denmark Italy Turkey Mexico Japan3 Greece 2 Germany 1 Denmark 1 Italy 3 Turkey 2 Mexico 3

  4. ARM - TWP-ICE Maps

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Comments?govInstrumentsnoaacrnBarrow, AlaskaManus Site-Inactive TWP Related Links Facilities andTWP-ICE Maps

  5. IceCube at NERSC

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach Home Room NewsInformation CurrentHenry Bellamy, Ph.D.FoodHydropower,Principal InvestigatorsIceCube at

  6. Results from IceCube/IceTop Ooty, 17/12/12 Tom Gaisser for the IceCube Collab. 1

    E-Print Network [OSTI]

    Gaisser, Thomas K.

    , 17/12/12 Tom Gaisser for the IceCube Collab. 3 #12;Mumbai, 11/12/12 Tom;Mumbai, 11/12/12 Tom Gaisser for the IceCube Collab. 5 DetecMng neutrinos in H of interac,ons IceTop #12;Mumbai, 11/12/12 Tom Gaisser for the IceCube Collab. 6

  7. Geostatistical Simulation of Hydrofacies Heterogeneity of the West Thessaly Aquifer Systems in Greece

    SciTech Connect (OSTI)

    Modis, K. Sideri, D.

    2013-06-15

    Integrating geological properties, such as relative positions and proportions of different hydrofacies, is of highest importance in order to render realistic geological patterns. Sequential indicator simulation (SIS) and Plurigaussian simulation (PS) are alternative methods for conceptual and deterministic modeling for the characterization of hydrofacies distribution. In this work, we studied the spatial differentiation of hydrofacies in the alluvial aquifer system of West Thessaly basin in Greece. For this, we applied both SIS and PS techniques to an extensive set of borehole data from that basin. Histograms of model versus experimental hydrofacies proportions and indicative cross sections were plotted in order to validate the results. The PS technique was shown to be more effective in reproducing the spatial characteristics of the different hydrofacies and their distribution across the study area. In addition, the permeability differentiations reflected in the PS model are in accordance to known heterogeneities of the aquifer capacity.

  8. CCMM 2000, Bayreuth, Germany September 19 1 Design and Synthesis of an FLC Conglomerate

    E-Print Network [OSTI]

    Walba, David

    CCMM 2000, Bayreuth, Germany · September 19 1 Design and Synthesis of an FLC Conglomerate Composed Research Center University of Colorado at Boulder #12;CCMM 2000, Bayreuth, Germany · September 19 2 Sm · Rel Polarity #12;CCMM 2000, Bayreuth, Germany · September 19 3 SmCSPF (Ferroelectric Conglomerate) Sm

  9. Landfills a thing of the past in Germany where advanced waste management By Evridiki Bersi -Kathimerini

    E-Print Network [OSTI]

    Columbia University

    that Germany saves 3.7 billion euros a year thanks to recycling and the production of energy from waste. Proper landfills will be out of operation because by then Germany plans to make use of all garbage and the energyLandfills a thing of the past in Germany where advanced waste management rules By Evridiki Bersi

  10. Sequestration of CO2 in the Altmark natural gas field, Germany: Mobility control to extend enhanced gas recovery

    E-Print Network [OSTI]

    Rebscher, D.; May, F.; Oldenburg, C.M.

    2006-01-01

    OF CO 2 IN THE ALTMARK NATURAL GAS FIELD, GERMANY: MOBILITYin the depleted Altmark natural gas reservoir, Germany. Ourdioxide or nitrogen in natural gas (methane) reservoirs,

  11. Multilingual Development in Germany in the Crossfire of Ideology and Politics: Monolingual and Multilingual Expectations, Polylingual Practices

    E-Print Network [OSTI]

    Pfaff, Carol W.

    2011-01-01

    in Germany, parallel to German schools in Turkey, butTurkey. Despite this reversal, the number of people with Turkish background in Germany

  12. Radar attenuation and temperature within the Greenland Ice Sheet

    E-Print Network [OSTI]

    2015-01-01

    on obliquely propagating radio waves, IEEE Trans. Geosci.dielectric attenuation of radio waves through ice is alsoattenuation of radio waves through ice is also temperature

  13. ICR-ICE Standard Operating Procedures (Update Sept 2013) | Department...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    ICR-ICE Standard Operating Procedures (Update Sept 2013) ICR-ICE Standard Operating Procedures (Update Sept 2013) ICRICE SOPSep 2013Final.pdf More Documents & Publications...

  14. Rapid development of an ice sheet climate application using the...

    Office of Scientific and Technical Information (OSTI)

    Technical Report: Rapid development of an ice sheet climate application using the components-based approach Citation Details In-Document Search Title: Rapid development of an ice...

  15. Complex systems influence melting of Greenland ice sheet

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Complex systems influence melting of Greenland ice sheet Complex systems influence melting of Greenland ice sheet International research team's field work shows that, well, things...

  16. Cosmic-ray results from IceCube/ Mumbai, 12/12/12 Tom Gaisser for the IceCube Collab. 1

    E-Print Network [OSTI]

    Gaisser, Thomas K.

    Cosmic-ray results from IceCube/ IceTop Mumbai, 12/12/12 Tom Gaisser for the IceCube Collab. 1 #12;Mumbai, 12/12/12 Tom Gaisser for the IceCube Collab. 2 events ­ IceTop/deep IceCube Mumbai, 12/12/12 Tom Gaisser for the IceCube Collab

  17. When language policy and pedagogy conflict: pupils’ and educators’ ‘practiced language policies’ in an English-medium kindergarten classroom in Greece 

    E-Print Network [OSTI]

    Papageorgiou, Ifigenia

    2012-11-28

    An international school (BES) in Greece, overwhelmingly attended by Greek origin children, has adopted, as its language policy, English as the ‘official’ medium of interaction, including in the Reception classroom, the ...

  18. Passive ice freezing-releasing heat pipe

    DOE Patents [OSTI]

    Gorski, Anthony J. (Lemont, IL); Schertz, William W. (Batavia, IL)

    1982-01-01

    A heat pipe device has been developed which permits completely passive ice formation and periodic release of ice without requiring the ambient temperature to rise above the melting point of water. This passive design enables the maximum amount of cooling capacity to be stored in the tank.

  19. Ice Cover on the Great Lakes NATIONALOCEANIC

    E-Print Network [OSTI]

    : In the shallow waters where whitefish spawn, ice cover protects their eggs from destructive wind and wave action://coastwatch.glerl.noaa.gov/glsea/cur/glsea_cur.png #12;GLERL Research Forecast capability The capability to forecast and predict ice cover is important for recreational safety and rescue efforts as well as for navigation, weather forecasting, adapting to lake level

  20. Parameterizing Size Distribution in Ice Clouds

    SciTech Connect (OSTI)

    DeSlover, Daniel; Mitchell, David L.

    2009-09-25

    PARAMETERIZING SIZE DISTRIBUTIONS IN ICE CLOUDS David L. Mitchell and Daniel H. DeSlover ABSTRACT An outstanding problem that contributes considerable uncertainty to Global Climate Model (GCM) predictions of future climate is the characterization of ice particle sizes in cirrus clouds. Recent parameterizations of ice cloud effective diameter differ by a factor of three, which, for overcast conditions, often translate to changes in outgoing longwave radiation (OLR) of 55 W m-2 or more. Much of this uncertainty in cirrus particle sizes is related to the problem of ice particle shattering during in situ sampling of the ice particle size distribution (PSD). Ice particles often shatter into many smaller ice fragments upon collision with the rim of the probe inlet tube. These small ice artifacts are counted as real ice crystals, resulting in anomalously high concentrations of small ice crystals (D < 100 µm) and underestimates of the mean and effective size of the PSD. Half of the cirrus cloud optical depth calculated from these in situ measurements can be due to this shattering phenomenon. Another challenge is the determination of ice and liquid water amounts in mixed phase clouds. Mixed phase clouds in the Arctic contain mostly liquid water, and the presence of ice is important for determining their lifecycle. Colder high clouds between -20 and -36 oC may also be mixed phase but in this case their condensate is mostly ice with low levels of liquid water. Rather than affecting their lifecycle, the presence of liquid dramatically affects the cloud optical properties, which affects cloud-climate feedback processes in GCMs. This project has made advancements in solving both of these problems. Regarding the first problem, PSD in ice clouds are uncertain due to the inability to reliably measure the concentrations of the smallest crystals (D < 100 µm), known as the “small mode”. Rather than using in situ probe measurements aboard aircraft, we employed a treatment of ice cloud optical properties formulated in terms of PSD parameters in combination with remote measurements of thermal radiances to characterize the small mode. This is possible since the absorption efficiency (Qabs) of small mode crystals is larger at 12 µm wavelength relative to 11 µm wavelength due to the process of wave resonance or photon tunneling more active at 12 µm. This makes the 12/11 µm absorption optical depth ratio (or equivalently the 12/11 µm Qabs ratio) a means for detecting the relative concentration of small ice particles in cirrus. Using this principle, this project tested and developed PSD schemes that can help characterize cirrus clouds at each of the three ARM sites: SGP, NSA and TWP. This was the main effort of this project. These PSD schemes and ice sedimentation velocities predicted from them have been used to test the new cirrus microphysics parameterization in the GCM known as the Community Climate Systems Model (CCSM) as part of an ongoing collaboration with NCAR. Regarding the second problem, we developed and did preliminary testing on a passive thermal method for retrieving the total water path (TWP) of Arctic mixed phase clouds where TWPs are often in the range of 20 to 130 g m-2 (difficult for microwave radiometers to accurately measure). We also developed a new radar method for retrieving the cloud ice water content (IWC), which can be vertically integrated to yield the ice water path (IWP). These techniques were combined to determine the IWP and liquid water path (LWP) in Arctic clouds, and hence the fraction of ice and liquid water. We have tested this approach using a case study from the ARM field campaign called M-PACE (Mixed-Phase Arctic Cloud Experiment). This research led to a new satellite remote sensing method that appears promising for detecting low levels of liquid water in high clouds typically between -20 and -36 oC. We hope to develop this method in future research.

  1. Panos Antsaklis and Kevin Passino, "Introduction to Intelligent Control Systems with High Degrees of Autonomy," in Greek, T echnical R e v i ew M onthly , Athens, Greece, pp 24-35, No 26, March 1994.

    E-Print Network [OSTI]

    Antsaklis, Panos

    of Autonomy," in Greek, T echnical R e v i ew M onthly , Athens, Greece, pp 24-35, No 26, March 1994. #12 of Autonomy," in Greek, T echnical R e v i ew M onthly , Athens, Greece, pp 24-35, No 26, March 1994. #12 of Autonomy," in Greek, T echnical R e v i ew M onthly , Athens, Greece, pp 24-35, No 26, March 1994. #12

  2. Risk Sharing, Financial integration, and "Mundell II" in the Enlarged European Union

    E-Print Network [OSTI]

    Boewer Böwer, Uwe

    2006-01-01

    Paper 20/2004, Bank of Finland, Helsinki. [17] Garcia, R.Slo vakia Lithuania Denmark Finland Greece Italy UK France BAustria Belgium Denmark Finland France Germany Greece

  3. Radiostratigraphy and age structure of the Greenland Ice Sheet

    E-Print Network [OSTI]

    2015-01-01

    is 3.15, equivalent to a radio-wave velocity in ice of 168.9to be vertical) that a radio wave travels through ice during?t is where v ice is the radio-wave velocity in ice, ?z ¼ v

  4. Crystalline water ice on the Kuiper belt object (50000) Quaoar

    E-Print Network [OSTI]

    Jewitt, David C.

    .............................................................. Crystalline water ice on the Kuiper the presence of crystalline water ice and ammonia hydrate. Crystallinity indicates that the ice has been heated to at least 110 K. Both ammonia hydrate and crystalline water ice should be destroyed by energetic particle

  5. Molecular simulations of heterogeneous ice nucleation. I. Controlling ice nucleation through surface hydrophilicity

    E-Print Network [OSTI]

    Stephen J. Cox; Shawn M. Kathmann; Ben Slater; Angelos Michaelides

    2015-05-29

    Ice formation is one of the most common and important processes on earth and almost always occurs at the surface of a material. A basic understanding of how the physicochemical properties of a material's surface affect its ability to form ice has remained elusive. Here, we use molecular dynamics simulations to directly probe heterogeneous ice nucleation at a hexagonal surface of a nanoparticle of varying hydrophilicity. Surprisingly, we find that structurally identical surfaces can both inhibit and promote ice formation and analogous to a chemical catalyst, it is found that an optimal interaction between the surface and the water exists for promoting ice nucleation. We use our microscopic understanding of the mechanism to design a modified surface in silico with enhanced ice nucleating ability.

  6. A Smoothed Particle Hydrodynamics Model for Ice Sheet and Ice Shelf Dynamics

    SciTech Connect (OSTI)

    Pan, Wenxiao; Tartakovsky, Alexandre M.; Monaghan, Joseph J.

    2012-02-08

    Mathematical modeling of ice sheets is complicated by the non-linearity of the governing equations and boundary conditions. Standard grid-based methods require complex front tracking techniques and have limited capability to handle large material deformations and abrupt changes in bottom topography. As a consequence, numerical methods are usually restricted to shallow ice sheet and ice shelf approximations. We propose a new smoothed particle hydrodynamics (SPH) model for coupled ice sheet and ice shelf dynamics. SPH is a fully Lagrangian particle method. It is highly scalable and its Lagrangian nature and meshless discretization are well suited to the simulation of free surface flows, large material deformation, and material fragmentation. In this paper SPH is used to study ice sheet/ice shelf behavior, and the dynamics of the grounding line. The steady state position of the grounding line obtained from the SPH simulations is in good agreement with laboratory observations for a wide range of simulated bedrock slopes, and density ratios similar to those of ice and sea water. The numerical accuracy of the SPH algorithm is further verified by simulating the plane shear flow of two immiscible fluids and the propagation of a highly viscous blob of fluid along a horizontal surface. In the experiment, the ice was represented with a viscous newtonian fluid. For consistency, in the described SPH model the ice is also modeled as a viscous newtonian fluid. Typically, ice sheets are modeled as a non-Newtonian fluid, accounting for the changes in the mechanical properties of ice. Implementation of a non-Newtonian rheology in the SPH model is the subject of our ongoing research.

  7. Smoothed particle hydrodynamics Non-Newtonian model for ice-sheet and ice-shelf dynamics

    SciTech Connect (OSTI)

    Pan, Wenxiao; Tartakovsky, Alexandre M.; Monaghan, Joseph J.

    2013-06-01

    Mathematical modeling of ice sheets is complicated by the non-linearity of the governing equations and boundary conditions. Standard grid-based methods require complex front tracking techniques and have limited capability to handle large material deformations and abrupt changes in bottom topography. As a consequence, numerical methods are usually restricted to shallow ice sheet and ice shelf approximations. We propose a new smoothed particle hydrodynamics (SPH) non-Newtonian model for coupled ice sheet and ice shelf dynamics. SPH, a fully Lagrangian particle method, is highly scalable and its Lagrangian nature and meshless discretization are well suited to the simulation of free surface ?ows, large material deformation, and material fragmentation. In this paper, SPH is used to study 3D ice sheet/ice shelf behavior, and the dynamics of the grounding line. The steady state position of the grounding line obtained from SPH simulations is in good agreement with laboratory observations for a wide range of simulated bedrock slopes, and density ratios, similar to those of ice and sea water. The numerical accuracy of the SPH algorithm is veri?ed by simulating Poiseuille ?ow, plane shear ?ow with free surface and the propagation of a blob of ice along a horizontal surface. In the laboratory experiment, the ice was represented with a viscous Newtonian ?uid. In the present work, however, the ice is modeled as both viscous Newtonian ?uid and non-Newtonian ?uid, such that the e?ect of non-Newtonian rheology on the dynamics of grounding line was examined. The non-Newtonian constitutive relation is prescribed to be Glen’s law for the creep of polycrystalline ice. A V-shaped bedrock ramp is further introduced to model the real geometry of bedrock slope.

  8. Do blue-ice moraines in the Heritage Range show the West Antarctic ice sheet survived the last interglacial?

    E-Print Network [OSTI]

    Do blue-ice moraines in the Heritage Range show the West Antarctic ice sheet survived the last in revised form 10 January 2011 Accepted 28 January 2011 Available online xxxx Keywords: Blue-ice moraine cosmogenic isotope data on blue-ice moraines in the Heritage Range, West Antarctica. The age of the moraines

  9. Inter-annual sea-ice dynamics and micro-algal biomass in winter pack ice of Marguerite Bay, Antarctica

    E-Print Network [OSTI]

    Stewart, Frank

    in this region (Stammerjohn et al., 2003; Stammerjohn and Smith, 1996). Changes in mesoscale ice dynamics

  10. Processes driving sea ice variability in the Bering Sea in an eddying ocean/sea ice model: Mean seasonal cycle

    E-Print Network [OSTI]

    Eisenman, Ian

    the southern ice edge, especially on the western side. The sea ice force balance analysis shows that sea ice air from northerly winds and ice motion away from the coast. South of St Lawrence Island, winds drive is important both climatically and economically. Understanding the processes that control the temporal

  11. Communication: On the stability of ice 0, ice i, and I{sub h}

    SciTech Connect (OSTI)

    Quigley, D.; Alfè, D.; Slater, B.

    2014-10-28

    Using ab initio methods, we examine the stability of ice 0, a recently proposed tetragonal form of ice implicated in the homogeneous freezing of water [J. Russo, F. Romano, and H. Tanaka, Nat. Mater. 13, 670 (2014)]. Vibrational frequencies are computed across the complete Brillouin Zone using Density Functional Theory (DFT), to confirm mechanical stability and quantify the free energy of ice 0 relative to ice I{sub h}. The robustness of this result is tested via dispersion corrected semi-local and hybrid DFT, and Quantum Monte-Carlo calculation of lattice energies. Results indicate that popular molecular models only slightly overestimate the stability of ice zero. In addition, we study all possible realisations of proton disorder within the ice zero unit cell, and identify the ground state as ferroelectric. Comparisons are made to other low density metastable forms of ice, suggesting that the ice i structure [C. J. Fennel and J. D. Gezelter, J. Chem. Theory Comput. 1, 662 (2005)] may be equally relevant to ice formation.

  12. Weakening of ice by magnesium perchlorate hydrate

    E-Print Network [OSTI]

    Lenferink, Hendrik J., 1985-

    2012-01-01

    I show that perchlorate hydrates, which have been indirectly detected at high Martian circumpolar latitudes by the Phoenix Mars Lander, have a dramatic effect upon the rheological behavior of polycrystalline water ice under ...

  13. Largest Ice-Bank Promotes Load Management 

    E-Print Network [OSTI]

    Brarmann, G. L.

    1983-01-01

    conservation measures were incorporated in the design of the new research facility, the ice-bank system has been the most cost-effective of the load management projects at Union Oil....

  14. Widespread Excess Ice in Arcadia Planitia, Mars

    E-Print Network [OSTI]

    Bramson, Ali M; Putzig, Nathaniel E; Sutton, Sarah; Plaut, Jeffrey J; Brothers, T Charles; Holt, John W

    2015-01-01

    The distribution of subsurface water ice on Mars is a key constraint on past climate, while the volumetric concentration of buried ice (pore-filling versus excess) provides information about the process that led to its deposition. We investigate the subsurface of Arcadia Planitia by measuring the depth of terraces in simple impact craters and mapping a widespread subsurface reflection in radar sounding data. Assuming that the contrast in material strengths responsible for the terracing is the same dielectric interface that causes the radar reflection, we can combine these data to estimate the dielectric constant of the overlying material. We compare these results to a three-component dielectric mixing model to constrain composition. Our results indicate a widespread, decameters-thick layer that is excess water ice ~10^4 km^3 in volume. The accumulation and long-term preservation of this ice is a challenge for current Martian climate models.

  15. Spreading of oil spilled under ice

    SciTech Connect (OSTI)

    Yapa, P.D.; Chowdhury, T. )

    1990-12-01

    A new set of equations is presented to describe the process of oil spreading under ice in clam waters. These equations consider the gravity (buoyancy)-inertia phase, the gravity (buoyancy)-viscous phase, and the termination of spreading during the buoyancy-surface-tension phase. The derivation considers both the constant discharge mode and the constant volume mode. Therefore, a complete description of the spreading phenomena from the time of initial spill to the termination of spreading is presented. Laboratory experiments were conducted using both real ice covers in a cold room and artificial ice covers. The experiments included different ice-cover roughnesses from smooth to rough, oils of different viscosities, and a variety of discharge conditions. The experimental data show close agreement with the theory. These equations can be used during cleanup or environmental impact assessment to estimate the area of an oil slick with respect to time.

  16. Glaciers and Ice Sheets Mapping Orbiter concept

    E-Print Network [OSTI]

    Jezek, Kenneth; Rodriguez, Ernesto; Gogineni, Sivaprasad; Freeman, Anthony; Curlander, John; Paden, John D.; Allen, Christopher Thomas

    2006-05-13

    We describe a concept for a spaceborne radar system designed to measure the surface and basal topography of terrestrial ice sheets and to determine the physical properties of the glacier bed. Our primary objective is to ...

  17. Recent vs from IceCube

    E-Print Network [OSTI]

    Klein, Spencer R.; IceCube Collaboration

    2008-01-01

    in the Sun and the Earth, look for low-energy (10 MeV)Sun. IceTop has made a preliminary measurement of the cosmic-ray energy

  18. Development of a Mobile Ice Nucleus Counter

    SciTech Connect (OSTI)

    Kok, Gregory; Kulkarni, Gourihar

    2014-07-10

    An ice nucleus counter has been constructed. The instrument uses built-in refrigeration systems for wall cooling. A cascade refrigeration system will allow the cold wall to operate as low as -70 deg C, and a single stage system can operate the warm wall at -45 deg C. A unique optical particle counter has been constructed using polarization detection of the scattered light. This allows differentiation of the particles exiting the chamber to determine if they are ice or liquid.

  19. On the correlation between ice water content and ice crystal size and its application to radiative transfer and general circulation models

    E-Print Network [OSTI]

    Liou, K. N.

    On the correlation between ice water content and ice crystal size and its application to radiative analysis involving ice water content (IWC) and mean effective ice crystal size (De) intended, K. N., Y. Gu, Q. Yue, and G. McFarguhar (2008), On the correlation between ice water content and ice

  20. IceCube: Performance, Status, and Future

    E-Print Network [OSTI]

    Carsten Rott; for the IceCube Collaboration

    2006-11-28

    High-energy neutrinos are uniquely suited to study a large variety of physics as they traverse the universe almost untouched, in contrast to conventional astronomical messengers like photons or cosmic rays which are limited by interactions with radiation and matter at high energies or deflected by ambient magnetic fields. Located at the South Pole, IceCube combined with its predecessor AMANDA comprise the world's largest neutrino telescope. IceCube currently consists of nine strings, each containing 60 digital optical modules, deployed at depths of 1.5 to 2.5km in the ice and an array of 16 surface air-shower stations. IceCube is expected to be completed in early 2011 at which time it will instrument a volume of one km^3 below the IceTop air-shower array covering an area of one km^2. The current IceCube detector performance is described and an outlook given into the large variety of physics that it can address, with an emphasis on the search for ultra-high-energy neutrinos which may shed light on the origins of the highest energy cosmic rays.

  1. IceCube: Performance, Status, and Future

    E-Print Network [OSTI]

    Rott, C

    2006-01-01

    High-energy neutrinos are uniquely suited to study a large variety of physics as they traverse the universe almost untouched, in contrast to conventional astronomical messengers like photons or cosmic rays which are limited by interactions with radiation and matter at high energies or deflected by ambient magnetic fields. Located at the South Pole, IceCube combined with its predecessor AMANDA comprise the world's largest neutrino telescope. IceCube currently consists of nine strings, each containing 60 digital optical modules, deployed at depths of 1.5 to 2.5km in the ice and an array of 16 surface air-shower stations. IceCube is expected to be completed in early 2011 at which time it will instrument a volume of one km^3 below the IceTop air-shower array covering an area of one km^2. The current IceCube detector performance is described and an outlook given into the large variety of physics that it can address, with an emphasis on the search for ultra-high-energy neutrinos which may shed light on the origins ...

  2. Ice chemistry in starless molecular cores

    E-Print Network [OSTI]

    Kalvans, Juris

    2015-01-01

    Starless molecular cores are natural laboratories for interstellar molecular chemistry research. The chemistry of ices in such objects was investigated with a three-phase (gas, surface, and mantle) model. We considered the center part of five starless cores, with their physical conditions derived from observations. The ice chemistry of oxygen, nitrogen, sulfur, and complex organic molecules (COMs) was analyzed. We found that an ice-depth dimension, measured, e.g., in monolayers, is essential for modeling of chemistry in interstellar ices. Particularly, the H2O:CO:CO2:N2:NH3 ice abundance ratio regulates the production and destruction of minor species. It is suggested that photodesorption during core collapse period is responsible for high abundance of interstellar H2O2 and O2H, and other species synthesized on the surface. The calculated abundances of COMs in ice were compared to observed gas-phase values. Smaller activation barriers for CO and H2CO hydrogenation may help explain the production of a number of...

  3. Denazification in the American Zone of Germany, 1945-1948 

    E-Print Network [OSTI]

    McHenry, Richard Lee

    1982-01-01

    , op. cit. , 960. 34 23. 6 9, ~B*t 1, 9. ' t. , 199. 24. Ladislas Farago, The Last Da s of Patton (New York, 1981), 73-75. 25. Ibid. , 75-77. 26. Ibid . , 143-144. 27. Alfred D. Chandler and Louis Galambos (eds. ) The Pa ers of Dwi ht David...DENAEIFICATION IN THE AMERICAN 'ZONE OF GERMANY; 1945-1948 A Thesis RICHARD LEE MCHENRY, JR, Submitted to the Graduate College of Texas A&M University in partial fulfillment of the requirement for the degree of MASTER OF ARTS December 1982...

  4. EUDEEP (Smart Grid Project) (Germany) | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTIONRobertsdale, AlabamaETEC GmbH Jump to: navigation, search Name: ETEC GmbH Place:Germany) Jump to:

  5. Measurements of particulate matter concentrations at a landfill site (Crete, Greece)

    SciTech Connect (OSTI)

    Chalvatzaki, E.; Kopanakis, I.; Kontaksakis, M.; Glytsos, T.; Kalogerakis, N.; Lazaridis, M.

    2010-11-15

    Large amounts of solid waste are disposed in landfills and the potential of particulate matter (PM) emissions into the atmosphere is significant. Particulate matter emissions in landfills are the result of resuspension from the disposed waste and other activities such as mechanical recycling and composting, waste unloading and sorting, the process of coating residues and waste transport by trucks. Measurements of ambient levels of inhalable particulate matter (PM{sub 10}) were performed in a landfill site located at Chania (Crete, Greece). Elevated PM{sub 10} concentrations were measured in the landfill site during several landfill operations. It was observed that the meteorological conditions (mainly wind velocity and temperature) influence considerably the PM{sub 10} concentrations. Comparison between the PM{sub 10} concentrations at the landfill and at a PM{sub 10} background site indicates the influence of the landfill activities on local concentrations at the landfill. No correlation was observed between the measurements at the landfill and the background sites. Finally, specific preventing measures are proposed to control the PM concentrations in landfills.

  6. Technology demonstration of Ka-band digitally-beamformed radar for ice topography mapping

    E-Print Network [OSTI]

    Sadowy, G; Heavey, B; Moller, D; Rignot, E; Zawadzki, M; Rengarajan, S

    2007-01-01

    Beamformed Radar for Ice Topography Mapping Gregory Sadowy,Glacier and Land Ice Surface Topography Interferometer) is aGLISTIN will collect ice topography measurements over a wide

  7. Assimilation of Ice Concentration in an IceOcean Model R. W. LINDSAY AND J. ZHANG

    E-Print Network [OSTI]

    Zhang, Jinlun

    of the actual fields. The simulated ice thickness can then be used to determine the major modes of variability of the ice thickness and the physical processes that are important in their formation. The simulations from concentration measured by satellites is subject to errors (Kwok 2002), particularly during the summer when

  8. ICED'09/148 INTERNATIONAL CONFERENCE ON ENGINEERING DESIGN, ICED'09

    E-Print Network [OSTI]

    Papalambros, Panos

    , marketing, and psychology. Quantitative models from these disciplines can be integrated into a design for teaching product design and for designing products taking into account market and policy environments alongICED'09/148 INTERNATIONAL CONFERENCE ON ENGINEERING DESIGN, ICED'09 24 - 27 AUGUST 2009, STANFORD

  9. Heat transfer in ice hockey halls: measurements, energy analysis and analytical ice pad temperature profile

    E-Print Network [OSTI]

    Ferrantelli, Andrea

    2015-01-01

    We consider heat transfer processes in an ice hockey hall, during operating conditions, with a bottom-up approach based upon on-site measurements. Detailed temperature data of both the ice pad and the air above the ice rink are used for a heat balance calculation in the steady-state regime, which quantifies the impact of each single heat source. We solve the heat equation in the ice slab in transient regime, and obtain a general analytical formula for the temperature profile. This solution is then applied to the resurfacing process by using our measurements as (time-dependent) boundary conditions (b.c.), and compared to an analogous numerical computation with good agreement. Our analytical formula is given with implicit initial condition and b.c., therefore it can be used not only in ice halls, but in a large variety of engineering applications.

  10. Heat transfer in ice hockey halls: measurements, energy analysis and analytical ice pad temperature profile

    E-Print Network [OSTI]

    Andrea Ferrantelli; Klaus Viljanen

    2015-06-30

    We consider heat transfer processes in an ice hockey hall, during operating conditions, with a bottom-up approach based upon on-site measurements. Detailed temperature data of both the ice pad and the air above the ice rink are used for a heat balance calculation in the steady-state regime, which quantifies the impact of each single heat source. We solve the heat equation in the ice slab in transient regime, and obtain a general analytical formula for the temperature profile. This solution is then applied to the resurfacing process by using our measurements as (time-dependent) boundary conditions (b.c.), and compared to an analogous numerical computation with good agreement. Our analytical formula is given with implicit initial condition and b.c., therefore it can be used not only in ice halls, but in a large variety of engineering applications.

  11. N. Makris and P.J. Antsaklis, "Semiactive Fluid Dampers for Seismic Protection of Structures," P roc o f 4th I EEE M e diterranean S ymposium o n C ontrol a nd A utomation , pp. 788-793, Chania, Crete, Greece,

    E-Print Network [OSTI]

    Antsaklis, Panos

    , Crete, Greece, June 10-14, 1996. #12;N. Makris and P.J. Antsaklis, "Semiactive Fluid Dampers for Seismic. 788-793, Chania, Crete, Greece, June 10-14, 1996. #12;N. Makris and P.J. Antsaklis, "Semiactive Fluid a nd A utomation , pp. 788-793, Chania, Crete, Greece, June 10-14, 1996. #12;N. Makris and P

  12. The Role of Snow and Ice in the Climate System

    SciTech Connect (OSTI)

    Barry, Roger G.

    2007-12-19

    Global snow and ice cover (the 'cryosphere') plays a major role in global climate and hydrology through a range of complex interactions and feedbacks, the best known of which is the ice - albedo feedback. Snow and ice cover undergo marked seasonal and long term changes in extent and thickness. The perennial elements - the major ice sheets and permafrost - play a role in present-day regional and local climate and hydrology, but the large seasonal variations in snow cover and sea ice are of importance on continental to hemispheric scales. The characteristics of these variations, especially in the Northern Hemisphere, and evidence for recent trends in snow and ice extent are discussed.

  13. The Role of Snow and Ice in the Climate System

    ScienceCinema (OSTI)

    Barry, Roger G.

    2009-09-01

    Global snow and ice cover (the 'cryosphere') plays a major role in global climate and hydrology through a range of complex interactions and feedbacks, the best known of which is the ice - albedo feedback. Snow and ice cover undergo marked seasonal and long term changes in extent and thickness. The perennial elements - the major ice sheets and permafrost - play a role in present-day regional and local climate and hydrology, but the large seasonal variations in snow cover and sea ice are of importance on continental to hemispheric scales. The characteristics of these variations, especially in the Northern Hemisphere, and evidence for recent trends in snow and ice extent are discussed.

  14. CONFERENCES ORGANIZED AND /OR SPONSORED BY ICE-HT Panhellenic Catalysis Symposium (1

    E-Print Network [OSTI]

    ­ 3, June 2004 (C. Galiotis) 1st Summer School on Solid Oxide Fuel Cell (SOFC) Technology Patras and stationary fuel cell applications Patras, Greece, May 13-21, 2004 (Th. Ioannides) Practical Course Oxide Fuel Cell Technology Lemnos, Greece, September 3-8, 2006 (S.G. Neophytides, S. Bebelis) 1st

  15. WATER ICE IN THE KUIPER BELT

    SciTech Connect (OSTI)

    Brown, M. E.; Fraser, W. C. [Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA 91125 (United States); Schaller, E. L., E-mail: mbrown@caltech.edu [NASA Dryden Aircraft Operations Facility, Palmdale, CA 93550 (United States)

    2012-06-15

    We examine a large collection of low-resolution near-infrared spectra of Kuiper Belt objects (KBOs) and centaurs in an attempt to understand the presence of water ice in the Kuiper Belt. We find that water ice on the surface of these objects occurs in three separate manners: (1) Haumea family members uniquely show surfaces of nearly pure water ice, presumably a consequence of the fragmentation of the icy mantle of a larger differentiated proto-Haumea; (2) large objects with absolute magnitudes of H < 3 (and a limited number to H = 4.5) have surface coverings of water ice-perhaps mixed with ammonia-that appears to be related to possibly ancient cryovolcanism on these large objects; and (3) smaller KBOs and centaurs which are neither Haumea family members nor cold-classical KBOs appear to divide into two families (which we refer to as 'neutral' and 'red'), each of which is a mixture of a common nearly neutral component and either a slightly red or very red component that also includes water ice. A model suggesting that the difference between neutral and red objects due to formation in an early compact solar system either inside or outside, respectively, of the {approx}20 AU methanol evaporation line is supported by the observation that methanol is only detected on the reddest objects, which are those which would be expected to have the most of the methanol containing mixture.

  16. Fast Numerical Method for Growth and Retreat of Subsurface Ice on Mars Norbert Schorghofer

    E-Print Network [OSTI]

    Schörghofer, Norbert

    ice, retreat of pore ice, retreat of an ice sheet, and retreat of pore ice due to geothermal heating is the vertical spatial resolution and D the diffusion coefficient. The vertical grid spacing needs to be finer

  17. Turbulent heat exchange between water and ice at an evolving ice-water interface

    E-Print Network [OSTI]

    Ramudu, Eshwan; Olson, Peter; Gnanadesikan, Anand

    2015-01-01

    We conduct laboratory experiments on the time evolution of an ice layer cooled from below and subjected to a turbulent shear flow of warm water from above. Our study is motivated by observations of warm water intrusion into the ocean cavity under Antarctic ice shelves, accelerating the melting of their basal surfaces. The strength of the applied turbulent shear flow in our experiments is represented in terms of its Reynolds number $\\textit{Re}$, which is varied over the range $2.0\\times10^3 \\le \\textit{Re} \\le 1.0\\times10^4$. Depending on the water temperature, partial transient melting of the ice occurs at the lower end of this range of $\\textit{Re}$ and complete transient melting of the ice occurs at the higher end. Following these episodes of transient melting, the ice reforms at a rate that is independent of $\\textit{Re}$. We fit our experimental measurements of ice thickness and temperature to a one-dimensional model for the evolution of the ice thickness in which the turbulent heat transfer is parameter...

  18. Equations of state of ice VI and ice VII at high pressure and high temperature

    SciTech Connect (OSTI)

    Bezacier, Lucile; Hanfland, Michael; Journaux, Baptiste; Perrillat, Jean-Philippe; Cardon, Hervé; Daniel, Isabelle

    2014-09-14

    High-pressure H{sub 2}O polymorphs among which ice VI and ice VII are abundant in the interiors of large icy satellites and exo-planets. Knowledge of the elastic properties of these pure H{sub 2}O ices at high-temperature and high-pressure is thus crucial to decipher the internal structure of icy bodies. In this study we assess for the first time the pressure-volume-temperature (PVT) relations of both polycrystalline pure ice VI and ice VII at high pressures and temperatures from 1 to 9 GPa and 300 to 450 K, respectively, by using in situ synchrotron X-ray diffraction. The PVT data are adjusted to a second-order Birch-Murnaghan equation of state and give V{sub 0} = 14.17(2) cm{sup 3}?mol{sup ?1}, K{sub 0} = 14.05(23) GPa, and ?{sub 0} = 14.6(14) × 10{sup ?5} K{sup ?1} for ice VI and V{sub 0} = 12.49(1) cm{sup 3}?mol{sup ?1}, K{sub 0} = 20.15(16) GPa, and ?{sub 0} = 11.6(5) × 10{sup ?5} K{sup ?1} for ice VII.

  19. East Germany struggles to clean its air and water

    SciTech Connect (OSTI)

    Cherfas, J.

    1990-04-20

    East Germans are working hard on a strategy to improve their polluted environment. Industrial plants are largely responsible for this pollution. A shroud of haze veils the suburbs of East Berlin. Far to the south the giant power plants around Leipzig pour more dust and sulfur dioxide into the air than in any other country in Europe. More than 90% of the country's electricity comes from brown coal, accompanied by prodigious quantities of dust and sulfur dioxide: almost 6 million tones of sulfur dioxide and more than 2 million tones of dust in 1988. East Germany enjoys some of the cheapest energy in the world, and the world's third highest energy consumption per capita, behind the United States, and Canada. Naturally, is also suffers air quality and health problems. The country is trying to cut down on consumption and clean up on generation. Actually, water quality is the number one priority, which unlike air is in very short supply.

  20. Large Scale Wind and Solar Integration in Germany

    SciTech Connect (OSTI)

    Ernst, Bernhard; Schreirer, Uwe; Berster, Frank; Pease, John; Scholz, Cristian; Erbring, Hans-Peter; Schlunke, Stephan; Makarov, Yuri V.

    2010-02-28

    This report provides key information concerning the German experience with integrating of 25 gigawatts of wind and 7 gigawatts of solar power capacity and mitigating its impacts on the electric power system. The report has been prepared based on information provided by the Amprion GmbH and 50Hertz Transmission GmbH managers and engineers to the Bonneville Power Administration (BPA) and Pacific Northwest National Laboratory representatives during their visit to Germany in October 2009. The trip and this report have been sponsored by the BPA Technology Innovation office. Learning from the German experience could help the Bonneville Power Administration engineers to compare and evaluate potential new solutions for managing higher penetrations of wind energy resources in their control area. A broader dissemination of this experience will benefit wind and solar resource integration efforts in the United States.

  1. A reconciled estimate of ice-sheet mass balance

    E-Print Network [OSTI]

    2012-01-01

    Estimate of Ice-Sheet Mass Balance Andrew Shepherd, 1 * Erikand models of surface mass balance and glacial isostaticThis Ice Sheet Mass Balance Exercise (IMBIE) was facilitated

  2. Optimization of Ice Thermal Storage Systems Design for HVAC Systems 

    E-Print Network [OSTI]

    Nassif, N.; Hall, C.; Freelnad, D.

    2013-01-01

    energy cost. A tool for optimal ice storage design is developed, considering the charging and discharge times and optimal sizing of ice thermal storage system. Detailed simulation studies using real office building located near Orlando, FL including...

  3. Searching for Cosmic Accelerators via IceCube

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Searching for Cosmic Accelerators via IceCube Searching for Cosmic Accelerators via IceCube Berkeley Lab Researchers Part of an International Hunt November 21, 2013 Lynn Yarris,...

  4. Cirrus cloud formation and the role of heterogeneous ice nuclei

    E-Print Network [OSTI]

    Froyd, Karl D.

    2013-01-01

    Composition, size, and phase are key properties that define the ability of an aerosol particle to initiate ice in cirrus clouds. Properties of cirrus ice nuclei (IN) have not been well constrained due to a lack of systematic ...

  5. Why Are Residential PV Prices in Germany So Much Lower Than in the United States?

    E-Print Network [OSTI]

    .S. installers, to collect data on residential PV soft costs ­ Comprehensively reviewed public and private consultant data relevant to the cost structure of residential PV in Germany · Focus is the preWhy Are Residential PV Prices in Germany So Much Lower Than in the United States? A Scoping

  6. MODELLING GROUNDWATER FLOW ON THE REGIONAL SCALE IN THE UPPER DANUBE CATCHMENT (GERMANY)

    E-Print Network [OSTI]

    Cirpka, Olaf Arie

    MODELLING GROUNDWATER FLOW ON THE REGIONAL SCALE IN THE UPPER DANUBE CATCHMENT (GERMANY) Roland.barthel@iws.uni-stuttgart.de Abstract. A groundwater flow model for the Upper Danube catchment (A=77,000km2 at gauge Passau, Germany coupled models. Modelling of groundwater flow, using coupled deterministic and hydrological approaches

  7. CNG buses fire safety: learnings from recent accidents in France and Germany

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    CNG buses fire safety: learnings from recent accidents in France and Germany Lionel PERRETTE Saarland Holding, Sulzbach Saar/ Germany ABSTRACT The use of CNG in bus and private vehicles is growing steadily. Recent fire accidents involving CNG buses have shown that tanks may explode though compliant

  8. The 32nd International Electric Propulsion Conference, Wiesbaden, Germany September 11 15, 2011

    E-Print Network [OSTI]

    International Electric Propulsion Conference, Wiesbaden, Germany September 11 ­ 15, 2011 2 magnetic fieldThe 32nd International Electric Propulsion Conference, Wiesbaden, Germany September 11 ­ 15, 2011 1 Effect of Magnetic Shielding on Plasma Plume of the Cylindrical Hall Thrusters IEPC-2011-175 Presented

  9. The 32nd International Electric Propulsion Conference, Wiesbaden, Germany September 11 15, 2011

    E-Print Network [OSTI]

    The 32nd International Electric Propulsion Conference, Wiesbaden, Germany September 11 ­ 15, 2011 1 Electric Propulsion Conference, Wiesbaden · Germany September 11 ­ 15, 2011 K. Matyash1 , Max and possibly to the spoke phenomenon. Nomenclature B = magnetic field e = electron charge E = electric field m

  10. The 32nd International Electric Propulsion Conference, Wiesbaden, Germany September 11 15, 2011

    E-Print Network [OSTI]

    The 32nd International Electric Propulsion Conference, Wiesbaden, Germany September 11 ­ 15, 2011 1-247 Presented at the 32nd International Electric Propulsion Conference, Wiesbaden · Germany September 11 ­ 15 energy ions flowing at large angles with respect to the thruster centerline. It was suggested

  11. Copyright WILEYVCH Verlag GmbH & Co. KGaA, 69469 Weinheim, Germany, 2014. Supporting Information

    E-Print Network [OSTI]

    Wang, Zhong L.

    Copyright WILEYVCH Verlag GmbH & Co. KGaA, 69469 Weinheim, Germany, 2014. Supporting Information for Harvesting Energy from a Moving Object or Human Motion in Contact and Non-Contact Modes Sihong Wang, YannanH & Co. KGaA, 69469 Weinheim, Germany, 2013. Supporting Information for Adv. Mater., DOI: 10.1002/adma

  12. Proposals in for Czech firms; cooperation likely with eastern Germany

    SciTech Connect (OSTI)

    Alperowicz, N.

    1993-02-10

    Two Western groups - Shell and a consortium made up of Agip, Conoco, and Total - have offered to buy the refining operations of Chemopetrol Litvinov and Kaucuk Kralupy, both in the Czech republic. Meanwhile, Amoco, Neste, and PCD are looking at the possibility of acquiring some of the plastics plants at Litvinov. Amoco is interested in the polypropylene operations, Neste in polyethylene, and PCD in both. The two Czech firms are included in the second wave of privatization, which will begin in midyear. So far, there have been no offers for the 80,000-m.t./year polystyrene and 60,000-m.t./year styrene butadiene rubber operations belonging to Kralupy, although Atochem representatives recently visited the plants. Litvinov is carrying out revamping operations at its core unit, a 12-year-old, 450,000-m.t./year ethylene plant. The plant, currently running at 400,000 m.t./year, supplies downstream plants, Neratovice, and sells on the export markets. An existing ethylene pipeline between Litvinov and Bohlen in eastern Germany, which used to supply an average 100,000 m.t./year of ethylene to Bohen in exchange for naphtha, is virtually unused. One proposal involves reactivating this exchange to secure ethylene feedstock for plants in eastern Germany. According to some sources, a preliminary decision has been made to shut down the 100,000-m.t./year ethylene plant at Leuna and possibly to expand the Bohlen cracker by 100,000 m.t./year, to 400,000 m.t./year by the late 1990s.

  13. Energy conservation in ice skating rinks

    SciTech Connect (OSTI)

    Dietrich, B.K.; McAvoy, T.J.

    1980-01-01

    An economic and energy analysis of ice rinks was made to examine the areas in which energy could be profitably conserved. The areas where new equipment could make a major reduction in energy use are: the use of waste heat for space heating, the installation of a low emissivity false ceiling to reduce radiant heat, the use of a load cycling controller to reduce refrigeration costs, and the installation of more efficient lighting systems. Changes in rink operating procedure that could cut energy use are: higher refrigerant temperatures, thinner ice, the use of colder resurfacing water, turning the compressors and pumps off at night, and reducing ventilation.

  14. Covered Product Category: Water-Cooled Ice Machines

    Office of Energy Efficiency and Renewable Energy (EERE)

    The Federal Energy Management Program (FEMP) provides acquisition guidance and federal efficiency requirements for water-cooled ice machines.

  15. Operation and Control of Full Ice-storage System 

    E-Print Network [OSTI]

    Liu, Q.; Liu, Y.

    2006-01-01

    In a dividing time ice-storage system, the refrigerator does not operate during power's on-peak period, and all the cooling is supplied by the ice stored in off-peak period, so that the use of electricity can be maintained. When the ice is thawing...

  16. Ice Simulation Using GPGPU Shadi Alawneh and Dennis Peters

    E-Print Network [OSTI]

    Peters, Dennis

    is to increase the understanding of interactions between ice and steel structures such as ships and oil rigsIce Simulation Using GPGPU Shadi Alawneh and Dennis Peters Electrical and Computer Engineering.alawneh, dpeters}@mun.ca Abstract-- Simulation of the behaviour of a ship operating in pack ice

  17. Hyper-Real-Time Ice Simulation and Modeling Using GPGPU

    E-Print Network [OSTI]

    Peters, Dennis

    Hyper-Real-Time Ice Simulation and Modeling Using GPGPU By c Shadi Alawneh, B. Eng., M. Eng's, Newfoundland Title: Hyper-Real-Time Ice Simulation and Modeling Using GPGPU Author: Shadi Alawneh, B. Eng operating in pack ice is a computationally in- tensive process to which General Purpose Computing

  18. Introduction Microorganisms in sea ice function ecologically in the

    E-Print Network [OSTI]

    Stewart, Frank

    where pelagic and sea ice habitats are intrinsically coupled (Laws 1985, Garrison 1991, Eicken 1992, Knox 1994, Garrison & Mathot 1996, Arrigo et al. 1997, Brierley & Thomas 2002). For instance, sea ice algae - primarily diatoms and phototrophic flagellates (e.g. Garrison 1991) - are inocula for ice

  19. Comparative assessment of municipal sewage sludge incineration, gasification and pyrolysis for a sustainable sludge-to-energy management in Greece

    SciTech Connect (OSTI)

    Samolada, M.C.; Zabaniotou, A.A.

    2014-02-15

    Highlights: • The high output of MSS highlights the need for alternative routes of valorization. • Evaluation of 3 sludge-to-energy valorisation methods through SWOT analysis. • Pyrolysis is an energy and material recovery process resulting to ‘zero waste’. • Identification of challenges and barriers for MSS pyrolysis in Greece was investigated. • Adopters of pyrolysis systems face the challenge of finding new product markets. - Abstract: For a sustainable municipal sewage sludge management, not only the available technology, but also other parameters, such as policy regulations and socio-economic issues should be taken in account. In this study, the current status of both European and Greek Legislation on waste management, with a special insight in municipal sewage sludge, is presented. A SWOT analysis was further developed for comparison of pyrolysis with incineration and gasification and results are presented. Pyrolysis seems to be the optimal thermochemical treatment option compared to incineration and gasification. Sewage sludge pyrolysis is favorable for energy savings, material recovery and high added materials production, providing a ‘zero waste’ solution. Finally, identification of challenges and barriers for sewage sludge pyrolysis deployment in Greece was investigated.

  20. 29April2011JohnLearnedatIceCubeDedication1 IceCube Dedication Symposium, Madison, Wisconsin

    E-Print Network [OSTI]

    Learned, John

    29April2011JohnLearnedatIceCubeDedication1 IceCube Dedication Symposium, Madison, Wisconsin 29 of Neutrino Studies #12;"Talking to the neighbors" 29April2011JohnLearnedatIceCubeDedication2 "A modest://www.economist.com/PrinterFriendly.cfm?story_id=18526871 Not what this talk is about.... SETI with Neutrinos #12;29April2011JohnLearnedatIceCubeDedication3

  1. Decadal scale variations in ice flow along Whillans Ice Stream and its tributaries, West Antarctica

    E-Print Network [OSTI]

    Stearns, Leigh; Jezek, Kenneth C.; van der Veen, Cornelis J.

    2005-01-05

    We investigate velocity changes occurring along Whillans Ice Stream (WIS) by comparing velocities derived from repeat aerial photographs acquired in 1985–89 (average date of 1987) to interferometric satellite radar (InSAR) ...

  2. Decadal-scale variations in ice flow along Whillans Ice Stream and its tributaries, West Antarctica

    E-Print Network [OSTI]

    Stearns, Leigh; Jezek, K.A.; van der Veen, Cornelis J.

    2005-01-01

    We investigate velocity changes occurring along Whillans Ice Stream (WIS) by comparing velocities derived from repeat aerial photographs acquired in 1985–89 (average date of 1987) to interferometric satellite radar (InSAR) ...

  3. Focused synthetic aperture radar processing of ice-sounder data collected over the Greenland ice sheet

    E-Print Network [OSTI]

    Legarsky, J.; Gogineni, Sivaprasad; Akins, T. L.

    2001-10-01

    We developed a synthetic aperture radar (SAR) processing algorithm for airborne/spaceborne ice-sounding radar systems and applied it to data collected in Greenland. By using focused SAR (phase-corrected coherent averaging), we improved along...

  4. Prediction of lake ice in the Netherlands

    E-Print Network [OSTI]

    Haak, Hein

    by HARMONIE ·Flake driven by ECMWF ensembles ·Conclusions and Outlook #12;Lake workshop sept 2012 Motivation Operational Observations ECMWF model #12;Lake workshop sept 2012 h D Air Water Ice ·Surface energy ·Radiative fluxes (Qs, Ql, absorbed solar radiation) ·Turbulent fluxes (sensible and latent heat fluxes

  5. Ice-volcano interactions Eyjafjallajkull volcano, Iceland

    E-Print Network [OSTI]

    Berthier, Etienne

    Ice-volcano interactions in Eyjafjallajökull volcano, Iceland Eyjólfur Magnússon1, Magnús Tumi Sciences, University of Iceland, Reykjavík, Iceland 2. Institute of Earth Sciences, University of Iceland, Reykjavík, Iceland 3. Icelandic Coast Guard SPIRIT workshop 29&30 April 2010, Toulouse Picture by Eyjólfur

  6. http://www-lipn.univ-paris13.fr/~petrucci/PAPERS In Proc. 24th EAEEIE annual International Conference (EAEEIE'13), Chania, Greece, may 2013,

    E-Print Network [OSTI]

    Petrucci, Laure

    , or via professional experience. In this paper, we report on a project started four years ago with Orange Conference (EAEEIE'13), Chania, Greece, may 2013, IEEE Comp. Soc. Press, 2013. Professional Experience of knowledge and proficiencies acquired through professional experience. We have designed the main lines

  7. Burn Scar Mapping in Attica, Greece using the dNBR (differenced Normalised Burn Ratio) Index on Landsat TM/ETM+ Satellite Imagery 

    E-Print Network [OSTI]

    Stratoulias, Dimitris

    2010-01-01

    This paper presents an attempt to map burn scars from 1984 to present around the city of Athens, Greece from a remote sensing perspective. Fine spatial resolution Landsat TM/ETM+ imagery was used favoured by an extensive available archive. The input...

  8. Modeling the Fracture of Ice Sheets on Parallel Computers

    SciTech Connect (OSTI)

    Waisman, Haim; Tuminaro, Ray

    2013-10-10

    The objective of this project was to investigate the complex fracture of ice and understand its role within larger ice sheet simulations and global climate change. This objective was achieved by developing novel physics based models for ice, novel numerical tools to enable the modeling of the physics and by collaboration with the ice community experts. At the present time, ice fracture is not explicitly considered within ice sheet models due in part to large computational costs associated with the accurate modeling of this complex phenomena. However, fracture not only plays an extremely important role in regional behavior but also influences ice dynamics over much larger zones in ways that are currently not well understood. To this end, our research findings through this project offers significant advancement to the field and closes a large gap of knowledge in understanding and modeling the fracture of ice sheets in the polar regions. Thus, we believe that our objective has been achieved and our research accomplishments are significant. This is corroborated through a set of published papers, posters and presentations at technical conferences in the field. In particular significant progress has been made in the mechanics of ice, fracture of ice sheets and ice shelves in polar regions and sophisticated numerical methods that enable the solution of the physics in an efficient way.

  9. Fact #643: October 4, 2010 Four Cylinder Engine Installations...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    the following countries: Austria, Belgium, Denmark, Eire, Finland, France, Germany, Greece, Iceland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden,...

  10. A complex investigation of building sandstones from Saxony (Germany)

    SciTech Connect (OSTI)

    Goetze, Jens Siedel, Heiner

    2007-11-15

    The present paper provides a methodology for the investigation and characterization of building sandstones. This analytical scheme was designed for distinguishing mature arenites, which in general show very similar properties and are difficult to distinguish. This is shown for Cretaceous sandstones from various occurrences in Saxony (Germany), which have been used for centuries as building materials. The procedure is mainly based on the combination of macroscopic rock description, thin section polarizing microscopy (phase composition, texture, grain-size distribution) and cathodoluminescence (CL) microscopy (quartz types, feldspar and kaolinite content) coupled with image analysis, scanning electron microscopy (accessories, pore cement, diagenetic grain surface features), and analysis of pore space data. Sometimes, additional data from X-ray diffraction or chemical analyses (major and trace elements) can be used. Especially in the case of quartz rich arenites, CL is a powerful tool for provenance analysis. The detailed analysis of sandstone material in most cases allows us to assign historically used building material to a specific sandstone occurrence. These results are important for both interpreting the weathering behaviour of the building material and the conservation, reconstruction and stone replacement of historical monuments.

  11. Kinaesthetic impulses : aesthetic experience, bodily knowledge, and pedagogical practices in Germany, 1871-1918

    E-Print Network [OSTI]

    Çelik, Zeynep, Ph. D. Massachusetts Institute of Technology

    2007-01-01

    This dissertation studies a moment of transition in German aesthetics in the late nineteenth century. Starting in the 1870s, groups of artists, architects, historians, critics, connoisseurs, and museum officials in Germany ...

  12. "Down in Turkey, far away": human rights, the Armenian Massacres, and Orientalism in Wilhelmine Germany

    E-Print Network [OSTI]

    Anderson, ML

    2007-01-01

    Terms and Conditions “Down in Turkey, far away” “fanatic andIsaiah Friedman, Germany, Turkey, and Zionism, 1897–1918 (Terms and Conditions “Down in Turkey, far away” living near

  13. Why Are Resiential PV Prices in Germany So Much Lower Than in the United States?

    Broader source: Energy.gov [DOE]

    The U.S. Department of Energy (DOE) SunShot Initiative, in conjunction with the Lawrence Berkeley National Laboratory (LBNL) discusses the installed price of residential PV being significantly lower in Germany than in the United States.

  14. Why Study German? Germany lies in the heart of Europe where more

    E-Print Network [OSTI]

    Saldin, Dilano

    of Poland, the Czech Republic, Russia and Romania. German is the third most studied foreign language? As a nation, Germany has one of the top ten world economies and is the home of the European Bank. It exports

  15. Tactics of diabetes control: Turkish immigrant experiences with chronic illness in Berlin, Germany

    E-Print Network [OSTI]

    Guell, Cornelia

    2009-01-01

    This thesis explores Turkish migrants’ practices of diabetes care in Germany. Health statistics frequently identify minority groups as vulnerable to chronic illness and Turkish-origin Germans are said to be more likely ...

  16. Disparities in nuclear power plant performance in the United States and the Federal Republic of Germany

    E-Print Network [OSTI]

    Hansen, Kent F.

    1984-01-01

    This report presents data comparing the performance of light water reactors in the United States and the Federal Republic of Germany (FRG). The comparisons are made for the years 1980-1983 and include 21 Westinghouse ...

  17. Pedro M. Castro Iiro Harjunkoski Ignacio E. Grossmann Lisbon, Portugal Ladenburg, Germany Pittsburgh, USA

    E-Print Network [OSTI]

    Grossmann, Ignacio E.

    utilities, electrical power Availability Price Challenging aspect of plant scheduling Current practice Location of event points unknown a priori Electricity pricing & availability Product due dates LocationPedro M. Castro Iiro Harjunkoski Ignacio E. Grossmann Lisbon, Portugal Ladenburg, Germany

  18. Energy-Optimised Building- Experience and Future Perspectives from a Demonstration Programme in Germany 

    E-Print Network [OSTI]

    Hans, O.; Voss, K.; Wagner, A.; Gossner, H.; Grunewald, J.; Petzold, H.; Herkel, S.; Pfafferott, J.; Lehmann, D.; Neumann, C.

    2008-01-01

    energy savings of 50% and more compared to current practice in Germany, without exceeding conventional investment costs. A number of these projects have been awarded architectural prizes. This paper summarises key findings and explains the strategies...

  19. Atom addition reactions in interstellar ice analogues

    E-Print Network [OSTI]

    Linnartz, Harold; Fedoseev, Gleb

    2015-01-01

    This review paper summarizes the state-of-the-art in laboratory based interstellar ice chemistry. The focus is on atom addition reactions, illustrating how water, carbon dioxide and methanol can form in the solid state at astronomically relevant temperatures, and also the formation of more complex species such as hydroxylamine, an important prebiotic molecule, and glycolaldehyde, the smallest sugar, is discussed. These reactions are particularly relevant during the dark ages of star and planet formation, i.e., when the role of UV light is restricted. A quantitative characterization of such processes is only possible through dedicated laboratory studies, i.e., under full control of a large set of parameters such as temperature, atom-flux, and ice morphology. The resulting numbers, physical and chemical constants, e.g., barrier heights, reaction rates and branching ratios, provide information on the molecular processes at work and are needed as input for astrochemical models, in order to bridge the timescales t...

  20. Should we geoengineer larger ice caps?

    E-Print Network [OSTI]

    Haqq-Misra, Jacob

    2015-01-01

    The climate of Earth is susceptible to catastrophes that could threaten the longevity of human civilization. Geoengineering to reduce incoming solar radiation has been suggested as a way to mediate the warming effects of contemporary climate change, but a geoengineering program for thousands of years could also be used to enlarge the size of the polar ice caps and create a permanently cooler climate. Such a large ice cap state would make Earth less susceptible to climate threats and could allow human civilization to survive further into the future than otherwise possible. Intentionally extending Earth's glacial coverage will require uninterrupted commitment to this program for millenia but would ultimately reach a cooler equilibrium state where geoengineering is no longer needed. Whether or not this program is ever attempted, this concept illustrates the need to identify preference among potential climate states to ensure the long-term success of civilization.

  1. Composition and production rate of pharmaceutical and chemical waste from Xanthi General Hospital in Greece

    SciTech Connect (OSTI)

    Voudrias, Evangelos; Goudakou, Lambrini; Kermenidou, Marianthi; Softa, Aikaterini

    2012-07-15

    Highlights: Black-Right-Pointing-Pointer We studied pharmaceutical and chemical waste production in a Greek hospital. Black-Right-Pointing-Pointer Pharmaceutical waste comprised 3.9% w/w of total hazardous medical waste. Black-Right-Pointing-Pointer Unit production rate for total pharmaceutical waste was 12.4 {+-} 3.90 g/patient/d. Black-Right-Pointing-Pointer Chemical waste comprised 1.8% w/w of total hazardous medical waste. Black-Right-Pointing-Pointer Unit production rate for total chemical waste was 5.8 {+-} 2.2 g/patient/d. - Abstract: The objective of this work was to determine the composition and production rates of pharmaceutical and chemical waste produced by Xanthi General Hospital in Greece (XGH). This information is important to design and cost management systems for pharmaceutical and chemical waste, for safety and health considerations and for assessing environmental impact. A total of 233 kg pharmaceutical and 110 kg chemical waste was collected, manually separated and weighed over a period of five working weeks. The total production of pharmaceutical waste comprised 3.9% w/w of the total hazardous medical waste produced by the hospital. Total pharmaceutical waste was classified in three categories, vial waste comprising 51.1%, syringe waste with 11.4% and intravenous therapy (IV) waste with 37.5% w/w of the total. Vial pharmaceutical waste only was further classified in six major categories: antibiotics, digestive system drugs, analgesics, hormones, circulatory system drugs and 'other'. Production data below are presented as average (standard deviation in parenthesis). The unit production rates for total pharmaceutical waste for the hospital were 12.4 (3.90) g/patient/d and 24.6 (7.48) g/bed/d. The respective unit production rates were: (1) for vial waste 6.4 (1.6) g/patient/d and 13 (2.6) g/bed/d, (2) for syringe waste 1.4 (0.4) g/patient/d and 2.8 (0.8) g/bed/d and (3) for IV waste 4.6 (3.0) g/patient/d and 9.2 (5.9) g/bed/d. Total chemical waste was classified in four categories, chemical reagents comprising 18.2%, solvents with 52.3%, dyes and tracers with 18.2% and solid waste with 11.4% w/w of the total. The total production of chemical waste comprised 1.8% w/w of the total hazardous medical waste produced by the hospital. Thus, the sum of pharmaceutical and chemical waste was 5.7% w/w of the total hazardous medical waste produced by the hospital. The unit production rates for total chemical waste for the hospital were 5.8 (2.2) g/patient/d and 1.1 (0.4) g/exam/d. The respective unit production rates were: (1) for reagents 1.7 (2.4) g/patient/d and 0.3 (0.4) g/examination/d, (2) for solvents 248 (127) g/patient/d and 192 (101) g/examination/d, (3) for dyes and tracers 4.7 (1.4) g/patient/d and 2.5 (0.9) g/examination/d and (4) for solid waste 54 (28) g/patient/d and 42 (22) g/examination/d.

  2. Large Scale Ice Water Path and 3-D Ice Water Content

    DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

    Liu, Guosheng

    2008-01-15

    Cloud ice water concentration is one of the most important, yet poorly observed, cloud properties. Developing physical parameterizations used in general circulation models through single-column modeling is one of the key foci of the ARM program. In addition to the vertical profiles of temperature, water vapor and condensed water at the model grids, large-scale horizontal advective tendencies of these variables are also required as forcing terms in the single-column models. Observed horizontal advection of condensed water has not been available because the radar/lidar/radiometer observations at the ARM site are single-point measurement, therefore, do not provide horizontal distribution of condensed water. The intention of this product is to provide large-scale distribution of cloud ice water by merging available surface and satellite measurements. The satellite cloud ice water algorithm uses ARM ground-based measurements as baseline, produces datasets for 3-D cloud ice water distributions in a 10 deg x 10 deg area near ARM site. The approach of the study is to expand a (surface) point measurement to an (satellite) areal measurement. That is, this study takes the advantage of the high quality cloud measurements at the point of ARM site. We use the cloud characteristics derived from the point measurement to guide/constrain satellite retrieval, then use the satellite algorithm to derive the cloud ice water distributions within an area, i.e., 10 deg x 10 deg centered at ARM site.

  3. Large Scale Ice Water Path and 3-D Ice Water Content

    DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

    Liu, Guosheng

    Cloud ice water concentration is one of the most important, yet poorly observed, cloud properties. Developing physical parameterizations used in general circulation models through single-column modeling is one of the key foci of the ARM program. In addition to the vertical profiles of temperature, water vapor and condensed water at the model grids, large-scale horizontal advective tendencies of these variables are also required as forcing terms in the single-column models. Observed horizontal advection of condensed water has not been available because the radar/lidar/radiometer observations at the ARM site are single-point measurement, therefore, do not provide horizontal distribution of condensed water. The intention of this product is to provide large-scale distribution of cloud ice water by merging available surface and satellite measurements. The satellite cloud ice water algorithm uses ARM ground-based measurements as baseline, produces datasets for 3-D cloud ice water distributions in a 10 deg x 10 deg area near ARM site. The approach of the study is to expand a (surface) point measurement to an (satellite) areal measurement. That is, this study takes the advantage of the high quality cloud measurements at the point of ARM site. We use the cloud characteristics derived from the point measurement to guide/constrain satellite retrieval, then use the satellite algorithm to derive the cloud ice water distributions within an area, i.e., 10 deg x 10 deg centered at ARM site.

  4. Report on The COST (EU)-NSF (USA) workshop on Exchanges and Trends in Networking N eN eN eN e XXXX t w o r k i n g ' 0 3t w o r k i n g ' 0 3t w o r k i n g ' 0 3t w o r k i n g ' 0 3 ,,,, June 23-25,2003, Chania, Crete, Greece

    E-Print Network [OSTI]

    Matta, Abraham "Ibrahim"

    -25,2003, Chania, Crete, Greece 1 Report on The COST (EU)-NSF (USA) Workshop on EXCHANGES & TRENDS IN NETWORKING Ne, Crete, Greece 2 Introductory Comments by the Organizers This workshop was the first attempt to bring and Kapodistrian University of Athens (Greece) undertook the overall organization of the workshop

  5. Drilling deep in South Pole Ice

    E-Print Network [OSTI]

    Karg, Timo

    2014-01-01

    To detect the tiny flux of ultra-high energy neutrinos from active galactic nuclei or from interactions of highest energy cosmic rays with the microwave background photons needs target masses of the order of several hundred cubic kilometers. Clear Antarctic ice has been discussed as a favorable material for hybrid detection of optical, radio and acoustic signals from ultra-high energy neutrino interactions. To apply these technologies at the adequate scale hundreds of holes have to be drilled in the ice down to depths of about 2500 m to deploy the corresponding sensors. To do this on a reasonable time scale is impossible with presently available tools. Remote drilling and deployment schemes have to be developed to make such a detector design reality. After a short discussion of the status of modern hot water drilling we present here a design of an autonomous melting probe, tested 50 years ago to reach a depth of about 1000 m in Greenland ice. A scenario how to build such a probe today with modern technologies...

  6. Resonant vibrational energy transfer in ice Ih

    SciTech Connect (OSTI)

    Shi, L.; Li, F.; Skinner, J. L.

    2014-06-28

    Fascinating anisotropy decay experiments have recently been performed on H{sub 2}O ice Ih by Timmer and Bakker [R. L. A. Timmer, and H. J. Bakker, J. Phys. Chem. A 114, 4148 (2010)]. The very fast decay (on the order of 100 fs) is indicative of resonant energy transfer between OH stretches on different molecules. Isotope dilution experiments with deuterium show a dramatic dependence on the hydrogen mole fraction, which confirms the energy transfer picture. Timmer and Bakker have interpreted the experiments with a Förster incoherent hopping model, finding that energy transfer within the first solvation shell dominates the relaxation process. We have developed a microscopic theory of vibrational spectroscopy of water and ice, and herein we use this theory to calculate the anisotropy decay in ice as a function of hydrogen mole fraction. We obtain very good agreement with experiment. Interpretation of our results shows that four nearest-neighbor acceptors dominate the energy transfer, and that while the incoherent hopping picture is qualitatively correct, vibrational energy transport is partially coherent on the relevant timescale.

  7. A radio air shower surface detector as an extension for IceCube and IceTop

    E-Print Network [OSTI]

    J. Auffenberg; T. Gaisser; K. Helbing; T. Huege; T. Karg; A. Karle

    2007-08-24

    The IceCube neutrino detector is built into the Antarctic ice sheet at the South Pole to measure high energy neutrinos. For this, 4800 photomultiplier tubes (PMTs) are being deployed at depths between 1450 and 2450 meters into the ice to measure neutrino induced charged particles like muons. IceTop is a surface air shower detector consisting of 160 Cherenkov ice tanks located on top of IceCube. To extend IceTop, a radio air shower detector could be built to significantly increase the sensitivity at higher shower energies and for inclined showers. As air showers induced by cosmic rays are a major part of the muonic background in IceCube, IceTop is not only an air shower detector, but also a veto to reduce the background in IceCube. Air showers are detectable by radio signals with a radio surface detector. The major emission process is the coherent synchrotron radiation emitted by e+ e- shower particles in the Earths magnetic field (geosynchrotron effect). Simulations of the expected radio signals of air showers are shown. The sensitivity and the energy threshold of different antenna field configurations are estimated.

  8. IceVeto: Extended PeV neutrino astronomy in the Southern Hemisphere with IceCube

    SciTech Connect (OSTI)

    Auffenberg, Jan; Collaboration: IceCube Collaboration

    2014-11-18

    IceCube, the world's largest high-energy neutrino observatory, built at the South Pole, recently reported evidence of an astrophysical neutrino flux extending to PeV energies in the Southern Hemisphere. This observation raises the question of how the sensitivity in this energy range could be further increased. In the down-going sector, in IceCube's case the Southern Hemisphere, backgrounds from atmospheric muons and neutrinos pose a challenge to the identification of an astrophysical neutrino flux. The IceCube analysis, that led to the evidence for astrophysical neutrinos, is based on an in-ice veto strategy for background rejection. One possibility available to IceCube is the concept of an extended surface detector, IceVeto, which could allow the rejection of a large fraction of atmospheric backgrounds, primarily for muons from cosmic ray (CR) air showers as well as from neutrinos in the same air showers. Building on the experience of IceTop/IceCube, possibly the most cost-effective and sensitive way to build IceVeto is as an extension of the IceTop detector, with simple photomultiplier based detector modules for CR air shower detection. Initial simulations and estimates indicate that such a veto detector will significantly increase the sensitivity to an astrophysical flux of ?{sub ?} induced muon tracks in the Southern Hemisphere compared to current analyses. Here we present the motivation and capabilities based on initial simulations. Conceptual ideas for a simplified surface array will be discussed briefly.

  9. ORIGINAL PAPER Sedimentary pellets as an ice-cover proxy in a High Arctic

    E-Print Network [OSTI]

    Vincent, Warwick F.

    ORIGINAL PAPER Sedimentary pellets as an ice-cover proxy in a High Arctic ice-covered lake Jessica-cover extent and dynamics on this perennially ice-covered, High Arctic lake. These pellets are interpreted growth. The pellets remain frozen in the ice until a summer or series of summers with reduced ice cover

  10. Glacial conditions that contribute to the regeneration of Fountain Glacier proglacial icing, Bylot Island, Canada

    E-Print Network [OSTI]

    Moorman, Brian

    Glacial conditions that contribute to the regeneration of Fountain Glacier proglacial icing, Bylot icings are one of the most common forms of extrusive ice found in the Canadian Arctic. However, the icing. Its regeneration depends on the availability of subglacial water and on the balance between ice

  11. Ising model for melt ponds on Arctic sea ice

    E-Print Network [OSTI]

    Ma, Y -P; Golden, K M

    2014-01-01

    The albedo of melting Arctic sea ice, a key parameter in climate modeling, is determined by pools of water on the ice surface. Recent observations show an onset of pond complexity at a critical area of about 100 square meters, attended by a transition in pond fractal dimension. To explain this behavior and provide a statistical physics approach to sea ice modeling, we introduce a two dimensional Ising model for pond evolution which incorporates ice-albedo feedback and the underlying thermodynamics. The binary magnetic spin variables in the Ising model correspond to the presence of melt water or ice on the sea ice surface. The model exhibits a second-order phase transition from isolated to clustered melt ponds, with the evolution of pond complexity in the clustered phase consistent with the observations.

  12. R. Buyya, University of Melbourne, Carlton, VIC, Australia; M. Pathan, University of Melbourne, Carl-ton, VIC, Australia; A. Vakali, Aristotle University of Thessaloniki, Greece (Eds.)

    E-Print Network [OSTI]

    Buyya, Rajkumar

    to change. Springer Distribution Center GmbH Haberstrasse 7 69126 Heidelberg Germany All and £ prices are net prices subject to local VAT, e.g. in Germany 7% VAT for books and 19% VAT for electronic products. (Lecture Notes in Electrical Engineering, Vol. 9) Hardcover 99,95 , $149.00, SFr. 174.00, £79.00 ISBN 978

  13. Meltwater effects on flow of Greenland's ice sheet less severe...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Side effects of increasing meltwater less severe than feared Meltwater effects on flow of Greenland's ice sheet less severe for sea level rise than earlier feared, scientists...

  14. Sandia Energy - NASA Award for Marginal Ice Zone Observations...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    NASA Award for Marginal Ice Zone Observations and Process Experiment (MIZOPEX) Home Climate Office of Science News News & Events Research & Capabilities Monitoring Analysis...

  15. optimal initial conditions for coupling ice sheet models to earth...

    Office of Scientific and Technical Information (OSTI)

    optimal initial conditions for coupling ice sheet models to earth system models Perego, Mauro Sandia National Laboratories Sandia National Laboratories; Price, Stephen F. Dr...

  16. THE STICKINESS OF MICROMETER-SIZED WATER-ICE PARTICLES

    SciTech Connect (OSTI)

    Gundlach, B.; Blum, J.

    2015-01-01

    Water ice is one of the most abundant materials in dense molecular clouds and in the outer reaches of protoplanetary disks. In contrast to other materials (e.g., silicates), water ice is assumed to be stickier due to its higher specific surface energy, leading to faster or more efficient growth in mutual collisions. However, experiments investigating the stickiness of water ice have been scarce, particularly in the astrophysically relevant micrometer-sized region and at low temperatures. In this work, we present an experimental setup to grow aggregates composed of ?m-sized water-ice particles, which we used to measure the sticking and erosion thresholds of the ice particles at different temperatures between 114 K and 260 K. We show with our experiments that for low temperatures (below ?210 K), ?m-sized water-ice particles stick below a threshold velocity of 9.6 m s{sup –1}, which is approximately 10 times higher than the sticking threshold of ?m-sized silica particles. Furthermore, erosion of the grown ice aggregates is observed for velocities above 15.3 m s{sup –1}. A comparison of the experimentally derived sticking threshold with model predictions is performed to determine important material properties of water ice, i.e., the specific surface energy and the viscous relaxation time. Our experimental results indicate that the presence of water ice in the outer reaches of protoplanetary disks can enhance the growth of planetesimals by direct sticking of particles.

  17. Basal melt rates beneath Whillans Ice Stream, West Antarctica

    E-Print Network [OSTI]

    Beem, Lucas H.; Jezek, Ken C.; van der Veen, Cornelis J.

    2010-08-05

    and J.E. Mitchell. 1994. The role of the margins in the dynamics of an active ice stream. J. Glaciol., 40(136), 527–538. Engelhardt, H. 2004a. Ice temperature and high geothermal flux at Siple Dome, West Antarctica, from borehole measurements. J. Glaciol... ratio which varies laterally across the shear margin. Basal drag, ?b, basal velocity, U(b), basal temperature gradient, @T/@z(b), esti- mates of geothermal flux, G, plus knowledge of basal ice properties, density, ?, latent heat of fusion of ice, Li...

  18. IceCube: An Instrument for Neutrino Astronomy

    E-Print Network [OSTI]

    Halzen, F.

    2010-01-01

    detectors: searching for radio waves or for acoustic pulsespredictions 93 . In cold ice, radio-wave attenuation lengthperfect reflector for radio waves. With this reflection,

  19. Covered Product Category: Air-Cooled Ice Machines

    Broader source: Energy.gov [DOE]

    The Federal Energy Management Program (FEMP) provides acquisition guidance for air-cooled ice machines, which are covered by the ENERGY STAR program.

  20. Acceleration of Greenland ice mass loss in spring 2004

    E-Print Network [OSTI]

    Velicogna, I; Velicogna, I; Wahr, J

    2006-01-01

    10.1029/ 2005GL025550 (2006). Peltier, W. R. Global glacial2004). Tushingham, A. M. & Peltier, W. R. ICE-3G: A new

  1. IceCube: A Cubic Kilometer Radiation Detector

    E-Print Network [OSTI]

    Klein, S.; IceCube Collaboration

    2008-01-01

    Cubic Kilometer Radiation Detector The IceCube CollaborationA Cubic Kilometer Radiation Detector Spencer R. Klein, forlarge detector is to search for optical Cherenkov radiation

  2. ARM - Field Campaign - SGP Ice Nuclei Characterization Experiment

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    and their impact on clouds and climate therefore remain relatively unconstrained. Soils of all types and plant surfaces are sources for ice nucleating particles that are...

  3. Reducing uncertainty in high-resolution sea ice models.

    SciTech Connect (OSTI)

    Peterson, Kara J.; Bochev, Pavel Blagoveston

    2013-07-01

    Arctic sea ice is an important component of the global climate system, reflecting a significant amount of solar radiation, insulating the ocean from the atmosphere and influencing ocean circulation by modifying the salinity of the upper ocean. The thickness and extent of Arctic sea ice have shown a significant decline in recent decades with implications for global climate as well as regional geopolitics. Increasing interest in exploration as well as climate feedback effects make predictive mathematical modeling of sea ice a task of tremendous practical import. Satellite data obtained over the last few decades have provided a wealth of information on sea ice motion and deformation. The data clearly show that ice deformation is focused along narrow linear features and this type of deformation is not well-represented in existing models. To improve sea ice dynamics we have incorporated an anisotropic rheology into the Los Alamos National Laboratory global sea ice model, CICE. Sensitivity analyses were performed using the Design Analysis Kit for Optimization and Terascale Applications (DAKOTA) to determine the impact of material parameters on sea ice response functions. Two material strength parameters that exhibited the most significant impact on responses were further analyzed to evaluate their influence on quantitative comparisons between model output and data. The sensitivity analysis along with ten year model runs indicate that while the anisotropic rheology provides some benefit in velocity predictions, additional improvements are required to make this material model a viable alternative for global sea ice simulations.

  4. optimal initial conditions for coupling ice sheet models to earth...

    Office of Scientific and Technical Information (OSTI)

    for coupling ice sheet models to earth system models Authors: Perego, Mauro 1 ; Price, Stephen F. Dr 2 ; Stadler, Georg 3 + Show Author Affiliations Sandia National...

  5. A METHOD FOR AIRCRAFT ICING DIAGNOSIS IN PRECIPITATION

    E-Print Network [OSTI]

    Fabry, Frederic

    A METHOD FOR AIRCRAFT ICING DIAGNOSIS IN PRECIPITATION François A. Turcotte Department precipitation event and its microphysics was simulated using a high resolution three-dimensional kinematic cloud

  6. Radiokrypton Dating Identifies Ancient Antarctic Ice | U.S. DOE...

    Office of Science (SC) Website

    Radiokrypton Dating Identifies Ancient Antarctic Ice Nuclear Physics (NP) NP Home About Research Facilities Science Highlights Benefits of NP Funding Opportunities Nuclear Science...

  7. The role of ice nuclei recycling in the maintenance of cloud ice in Arctic mixed-phase stratocumulus

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Solomon, A.; Feingold, G.; Shupe, M. D.

    2015-09-25

    This study investigates the maintenance of cloud ice production in Arctic mixed-phase stratocumulus in large eddy simulations that include a prognostic ice nuclei (IN) formulation and a diurnal cycle. Balances derived from a mixed-layer model and phase analyses are used to provide insight into buffering mechanisms that maintain ice in these cloud systems. We find that, for the case under investigation, IN recycling through subcloud sublimation considerably prolongs ice production over a multi-day integration. This effective source of IN to the cloud dominates over mixing sources from above or below the cloud-driven mixed layer. Competing feedbacks between dynamical mixing andmore »recycling are found to slow the rate of ice lost from the mixed layer when a diurnal cycle is simulated. The results of this study have important implications for maintaining phase partitioning of cloud ice and liquid that determine the radiative forcing of Arctic mixed-phase clouds.« less

  8. The role of ice nuclei recycling in the maintenance of cloud ice in Arctic mixed-phase stratocumulus

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Solomon, A.; Feingold, G.; Shupe, M. D.

    2015-04-21

    This study investigates the maintenance of cloud ice production in Arctic mixed phase stratocumulus in large-eddy simulations that include a prognostic ice nuclei (IN) formulation and a diurnal cycle. Balances derived from a mixed-layer model and phase analyses are used to provide insight into buffering mechanisms that maintain ice in these cloud systems. We find that for the case under investigation, IN recycling through subcloud sublimation considerably prolongs ice production over a multi-day integration. This effective source of IN to the cloud dominates over mixing sources from above or below the cloud-driven mixed layer. Competing feedbacks between dynamical mixing andmore »recycling are found to slow the rate of ice lost from the mixed layer when a diurnal cycle is simulated. The results of this study have important implications for maintaining phase partitioning of cloud ice and liquid that determine the radiative forcing of Arctic mixed-phase clouds.« less

  9. Effective stress profiles and seepage flows beneath glaciers and ice sheets

    E-Print Network [OSTI]

    Rempel, Alan W.

    stress for ice infiltration Qb Heat flux into glacier base Qf Heat produced by dissipation Qg Geothermal Vertical coordinate Exponent in permeability relation #12; Exponent in ice-saturation relation il Ice

  10. Analytical determination of performance degradation on a helicopter main rotor due to ice accretion 

    E-Print Network [OSTI]

    Camba, Javier

    1986-01-01

    artificial icing tests Canada's National Research Council (NRC) Icing Tunnel and simulated ice tests the OSU Transonic Airfoil Facility using a irfo'1 1 s inbicitave of current rotorcraft technol ogy. The final correlations are: Lift Increment Prediction...

  11. Incorporation of particulates into accreted ice above subglacial Vostok lake, Antarctica 

    E-Print Network [OSTI]

    Siegert, M. J.; Royston-Bishop, G.; Priscu, J. C.; Tranter, M.; Christner, B.; Lee, V.

    2005-01-01

    The nature of microscopic particulates in meteoric and accreted ice from the Vostok (Antarctica) ice core is assessed in conjunction with existing ice-core data to investigate the mechanism by which particulates are ...

  12. Modeling the evolution of polar ice sheets: Ice sheet system model workshop; Bergen, Norway, 2-4 June 2014

    E-Print Network [OSTI]

    Larour, E; Schlegel, N; Morlighem, M

    2014-01-01

    Model Workshop; Bergen, Norway, 2?4 June 2014 The Ice SheetUniversity of Bergen in Norway, in June 2014. This is the

  13. H2 ICE Combustion | Argonne National Laboratory

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would likeUniverse (Journalvivo Low-Dose Lowï‚— WeUpdate JonGuided 8/12/15GuyH2 ICE Combustion

  14. Ice in Arctic Mixed-phase Stratocumulus

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would likeUniverse (JournalvivoHighHussein KhalilResearch88 Sign In AboutWorkshop:Ice Nuclei

  15. Southern Great Plains Ice Nuclei Characterization Experiment

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach Home RoomPreservation ofAlbuquerque|Sensitive Species3performedValleySouthern Great Plains Ice Nuclei

  16. THE CONTRIBUTION OF GREENLAND ICE SHEET MELTING TO

    E-Print Network [OSTI]

    THE CONTRIBUTION OF GREENLAND ICE SHEET MELTING TO GLOBAL SEA-LEVEL CHANGE Conor Mc, orbital cycles, glacial isostatic adjustment and tectonics. Each of these elements contribute different it to be directly observed. This project examined the contribution to sea-level change due to melting of ice from

  17. IceCube Project Monthly Report November 2007

    E-Print Network [OSTI]

    Saffman, Mark

    the current budgets or the budgets modified by the cost performance index. Change Log - IceCube Total Project IceCube array with a detector uptime of 97%, above the internal monthly goal of 95%. #12;Cost design, development, procured materials, and the construction of the infrastructure that supports

  18. Integrated navigation for AUV operations under ice shelves

    E-Print Network [OSTI]

    Griffiths, Gwyn

    2000 Heat Wipes Out Giant Antarctic Ice Shelf The Independent, 31 January 2000 Catastrophic Melting VI Pine Island Bay #12;The (virtual) mission ... #12;The first mission- March 2003: Pine Island Bay NASA 30 km Sea Ice Pine Island Glacier Open Water 9 February 2003 #12;The Pine Island Bay Glacier

  19. ENERGY BASED ICE COLLISION FORCES Claude Daley1

    E-Print Network [OSTI]

    Daley, Claude

    1 ENERGY BASED ICE COLLISION FORCES Claude Daley1 1 Memorial University of Newfoundland, St. John's, Newfoundland, Canada A1C 3X5 ABSTRACT Ice collision forces can be determined by energy considerations. A variety of interaction geometry cases are considered. The indentation energy functions for eight different

  20. ENERGY BASED ICE COLLISION FORCES Claude Daley1

    E-Print Network [OSTI]

    Daley, Claude

    ENERGY BASED ICE COLLISION FORCES Claude Daley1 1 Memorial University of Newfoundland, St. John's, Newfoundland, Canada A1C 3X5 ABSTRACT Ice collision forces can be determined by energy considerations. A variety of interaction geometry cases are considered. The indentation energy functions for eight different

  1. ORIGINAL ARTICLE Diatom assemblages promote ice formation in large

    E-Print Network [OSTI]

    Lee Jr., Richard E.

    (Oyserman et al., 2012; Twiss et al., 2012). Conducted during times of expansive ice cover, these surveys (Saxton et al., 2012; Twiss et al., 2012). The physical processes involved in the develop- ment of diatom demonstrated the presence of viable diatoms in meltwater from lake ice (Twiss et al., 2012), consistent

  2. Passive ice freezing-releasing heat pipe. [Patent application

    DOE Patents [OSTI]

    Gorski, A.J.; Schertz, W.W.

    1980-09-29

    A heat pipe device has been developed which permits completely passive ice formation and periodic release of ice without requiring the ambient temperature to rise above the melting point of water. This passive design enables the maximum amount of cooling capacity to be stored in the tank.

  3. Ice Storm Damage Greater Along the Terrestrial-Aquatic Interface

    E-Print Network [OSTI]

    Kraft, Clifford E.

    Ice Storm Damage Greater Along the Terrestrial-Aquatic Interface in Forested Landscapes Andrew A- tems. In 1998, a severe ice storm damaged over ten million hectares of forest across northern New York investigated the spatial arrangement of forest damage at the terrestrial-aquatic interface, an ecological edge

  4. Fluid Migration During Ice/Rock Planetesimal Differentiation 

    E-Print Network [OSTI]

    Raney, Robert 1987-

    2012-12-12

    fast melt water can segregate from the core of an ice-rich planetesimal. To answer this question we treat the core as two phase flow problem: a compacting viscous “solid” (ice/rock mixture) and a segregating liquid (melt water). The model developed...

  5. Third international workshop on ice storage for cooling applications

    SciTech Connect (OSTI)

    Gorski, A.J.

    1986-04-01

    The third international workshop on ice storage for cooling applications which was informal and interactive in nature, was open to persons interested in all ice-growing technologies and in ice storage, both seasonal and diurnal. Presentations were made on some 20 topics, ranging from freezers in Alaska to ice cooling of commercial jet aircraft. Workshop tours included visits to ice-storage systems at Commonwealth Edison's facilities in Bolingbrook and Des Plaines Valley, the A.C. Neilsen builing in Northbrook, and the new State of Illinois Center in Chicago. The first workshop in the present series considered the future of ice storage and predicted applications in the agricultural sector, desalinization, and commercial ice production. Progress has been rapid in the intervening two years, and an important topic at the third workshop was the possible use of ''warm ices'' (clathrate hydrates) for energy storage. This report consists primarily of abstracts of presentations made at the workshop. Persons wishing to obtain further information about particular papers should contact the speakers directly; speakers' addresses and telephone numbers are listed in this report.

  6. Has the ice man arrived? Tact on the Internet

    E-Print Network [OSTI]

    Hearst, Marti

    Has the ice man arrived? Tact on the Internet Jonathan Grudin, UC Irvine and Microsoft Research resides in this extremely efficient spread of information. It is efficient, but it is not dis- crete. Eugene O'Neill's play The Ice Man Cometh outlines a series of calamities that occur when his characters

  7. CO diffusion into amorphous H2O ices

    E-Print Network [OSTI]

    Lauck, Trish; Shulenberger, Katherine; Rajappan, Mahesh; Oberg, Karin I; Cuppen, Herma M

    2015-01-01

    The mobility of atoms, molecules and radicals in icy grain mantles regulate ice restructuring, desorption, and chemistry in astrophysical environments. Interstellar ices are dominated by H2O, and diffusion on external and internal (pore) surfaces of H2O-rich ices is therefore a key process to constrain. This study aims to quantify the diffusion kinetics and barrier of the abundant ice constituent CO into H2O dominated ices at low temperatures (15-23 K), by measuring the mixing rate of initially layered H2O(:CO2)/CO ices. The mixed fraction of CO as a function of time is determined by monitoring the shape of the infrared CO stretching band. Mixing is observed at all investigated temperatures on minute time scales, and can be ascribed to CO diffusion in H2O ice pores. The diffusion coefficient and final mixed fraction depend on ice temperature, porosity, thickness and composition. The experiments are analyzed by applying Fick's diffusion equation under the assumption that mixing is due to CO diffusion into an i...

  8. UV Irradiation of Polycyclic Aromatic Hydrocarbons in Ices

    E-Print Network [OSTI]

    UV Irradiation of Polycyclic Aromatic Hydrocarbons in Ices: Production of Alcohols, Quinones. Clemett,3 Richard N. Zare3 Polycyclic aromatic hydrocarbons (PAHs) in water ice were exposed to ultra, and ethers, and reduced, producing partially hydrogenated aromatic hydrocarbons, molecules that account

  9. Institute of Functional Genomics, University of Regensburg, Regensburg, Germany. Present address: Center for Systems Biology, Harvard Medical School, Boston, MA.

    E-Print Network [OSTI]

    Rosenberg, Noah

    1 Institute of Functional Genomics, University of Regensburg, Regensburg, Germany. 2 Present, Food and Environment, The Hebrew University of Jeru- salem, Rehovot, Israel. 7 Department of Genetics

  10. Methods and apparatus for rotor blade ice detection

    DOE Patents [OSTI]

    LeMieux, David Lawrence

    2006-08-08

    A method for detecting ice on a wind turbine having a rotor and one or more rotor blades each having blade roots includes monitoring meteorological conditions relating to icing conditions and monitoring one or more physical characteristics of the wind turbine in operation that vary in accordance with at least one of the mass of the one or more rotor blades or a mass imbalance between the rotor blades. The method also includes using the one or more monitored physical characteristics to determine whether a blade mass anomaly exists, determining whether the monitored meteorological conditions are consistent with blade icing; and signaling an icing-related blade mass anomaly when a blade mass anomaly is determined to exist and the monitored meteorological conditions are determined to be consistent with icing.

  11. THE PHASES OF WATER ICE IN THE SOLAR NEBULA

    SciTech Connect (OSTI)

    Ciesla, Fred J.

    2014-03-20

    Understanding the phases of water ice that were present in the solar nebula has implications for understanding cometary and planetary compositions as well as the internal evolution of these bodies. Here we show that amorphous ice formed more readily than previously recognized, with formation at temperatures <70 K being possible under protoplanetary disk conditions. We further argue that photodesorption and freeze-out of water molecules near the surface layers of the solar nebula would have provided the conditions needed for amorphous ice to form. This processing would be a natural consequence of ice dynamics and would allow for the trapping of noble gases and other volatiles in water ice in the outer solar nebula.

  12. Field demonstration of the ICE 250{trademark} Cleaning System

    SciTech Connect (OSTI)

    Johnston, J.L.; Jackson, L.M.

    1999-10-05

    The ICE 250{trademark} Cleaning System was engineered to convert water into small ice particles for use in cleaning and decontamination applications. Ice crystals are produced in a special icemaker and pressured through a hose-nozzle onto the surface to be cleaned. The Rocky Mountain Oilfield Testing Center and Ice Cleaning Systems, Inc., conducted a test of this system at Naval Petroleum Reserve No. 3 to evaluate the system's cleaning capabilities in an oil field environment. Equipment cleaned included an oil storage tank, a rod pumping unit, a road grader, and a wellhead. Contaminants were unrefined sour crude oil, hydraulic fluid, paraffin, and dirt, occurring separately and as mixtures. In all four demonstration cleaning tasks, the ICE 250 System effectively removed surface contaminant mixtures in a timely manner and left no oily residue. A minimal amount of waste moisture was generated, thereby reducing cleanup and disposal costs.

  13. The future of water, ice, snow underThe future of water, ice, snow under global warmingglobal warming

    E-Print Network [OSTI]

    Hurricane Katrina, the Kerry--Gingrich debate over globalGingrich debate over global warming, the local and regional warming.effects of global warming. Climate extends beyond temperature and rainfall, toClimate extendsThe future of water, ice, snow underThe future of water, ice, snow under global warmingglobal

  14. Observations of ice thickness and frazil ice in the St. Lawrence Island polynya from satellite imagery, upward looking sonar, and

    E-Print Network [OSTI]

    Washington at Seattle, University of

    with meteorological observations and a heat flux model. South of the island, we compare the ULS and thermalObservations of ice thickness and frazil ice in the St. Lawrence Island polynya from satellite, this paper examines the behavior of the Bering Sea St. Lawrence Island polynya using a combination

  15. Results from IceCube Mumbai, 11/12/12 Tom Gaisser for the IceCube Collab. 1

    E-Print Network [OSTI]

    Gaisser, Thomas K.

    Results from IceCube Mumbai, 11/12/12 Tom Gaisser for the IceCube Collab. 1 #12;2 39 Ins>tu>ons ~220 collaborators Mumbai, 11/12/12 Tom Gaisser-10 20 79 2010-11 7 86 Mumbai, 11/12/12 Tom Gaisser

  16. CO2 diffusion in polar ice: observations from naturally formed CO2 spikes in the Siple Dome (Antarctica) ice core

    E-Print Network [OSTI]

    Raggio Parkway, Reno, Nevada 89512-1095, USA ABSTRACT. One common assumption in interpreting ice-core CO2 records is that diffusion in the ice does not affect the concentration profile. However, this assumption/Ar and Kr/Ar), electrical conductivity and Ca2+ ion concentrations to show that substantial CO2 diffusion

  17. Sea ice in the paleoclimate system: the challenge of reconstructing sea ice from proxies e an introduction

    E-Print Network [OSTI]

    University, Denmark e Department of Earth Sciences, University of Cambridge, UK f British Antarctic Survey. In the climate system, sea ice cover generally acts as an amplifier: it in- fluences the energy budget). Under perennial sea ice there is generally little primary production apart from under special conditions

  18. Brine migration test for Asse Mine, Federal Republic of Germany: final test plan

    SciTech Connect (OSTI)

    Not Available

    1983-07-01

    The United States and the Federal Republic of Germany (FRG) will conduct a brine migration test in the Asse Salt Mine in the FRG as part of the US/FRG Cooperative Radioactive Waste Management Agreement. Two sets of two tests each will be conducted to study both liquid inclusion migration and vapor migration in the two salt types chosen for the experiments: (1) pure salt, for its characteristics similar to the salt that might occur in potential US repositories, and (2) transitional salt, for its similarity to the salt that might occur in potential repositories in Germany.

  19. Comparing Germany's and California's Interconnection Processes for PV Systems (White Paper)

    SciTech Connect (OSTI)

    Tweedie, A.; Doris, E.

    2011-07-01

    Establishing interconnection to the grid is a recognized barrier to the deployment of distributed energy generation. This report compares interconnection processes for photovoltaic projects in California and Germany. This report summarizes the steps of the interconnection process for developers and utilities, the average length of time utilities take to process applications, and paperwork required of project developers. Based on a review of the available literature, this report finds that while the interconnection procedures and timelines are similar in California and Germany, differences in the legal and regulatory frameworks are substantial.

  20. Air conditioning system with supplemental ice storing and cooling capacity

    DOE Patents [OSTI]

    Weng, Kuo-Lianq (Taichung, TW); Weng, Kuo-Liang (Taichung, TW)

    1998-01-01

    The present air conditioning system with ice storing and cooling capacity can generate and store ice in its pipe assembly or in an ice storage tank particularly equipped for the system, depending on the type of the air conditioning system. The system is characterized in particular in that ice can be produced and stored in the air conditioning system whereby the time of supplying cooled air can be effectively extended with the merit that the operation cycle of the on and off of the compressor can be prolonged, extending the operation lifespan of the compressor in one aspect. In another aspect, ice production and storage in great amount can be performed in an off-peak period of the electrical power consumption and the stored ice can be utilized in the peak period of the power consumption so as to provide supplemental cooling capacity for the compressor of the air conditioning system whereby the shift of peak and off-peak power consumption can be effected with ease. The present air conditioning system can lower the installation expense for an ice-storing air conditioning system and can also be applied to an old conventional air conditioning system.

  1. 24th European Photovoltaic Solar Energy Conference, Hamburg, Germany, Sept. 2009 THE BURIED EMITTER SOLAR CELL CONCEPT

    E-Print Network [OSTI]

    24th European Photovoltaic Solar Energy Conference, Hamburg, Germany, Sept. 2009 1 THE BURIED­efficient #12;24th European Photovoltaic Solar Energy Conference, Hamburg, Germany, Sept. 2009 2 industrial EMITTER SOLAR CELL CONCEPT: INTERDIGITATED BACK-JUNCTION STRUCUTRE WITH VIRTUALLY 100% EMITTER COVERAGE

  2. Photodesorption of ices I: CO, N2 and CO2

    E-Print Network [OSTI]

    Karin I. Oberg; Ewine F. van Dishoeck; Harold Linnartz

    2009-01-23

    A longstanding problem in astrochemistry is how molecules can be maintained in the gas phase in dense inter- and circumstellar regions. Photodesorption is a non-thermal desorption mechanism, which may explain the small amounts of observed cold gas in cloud cores and disk mid-planes. This paper aims to determine the UV photodesorption yields and to constrain the photodesorption mechanisms of three astrochemically relevant ices: CO, N2 and CO2. In addition, the possibility of co-desorption in mixed and layered CO:N2 ices is explored. The ice photodesorption is studied experimentally under ultra high vacuum conditions and at 15-60 K using a hydrogen discharge lamp (7-10.5 eV). The ice desorption during irradiation is monitored by reflection absorption infrared spectroscopy of the ice and simultaneous mass spectrometry of the desorbed molecules. Both the UV photodesorption yields per incident photon and the photodesorption mechanisms are molecule specific. CO photodesorbs without dissociation from the surface layer of the ice. N2, which lacks an electronic transition in this wavelength range, has a photodesorption yield that is more than an order of magnitude lower. This yield increases significantly due to co-desorption when N2 is mixed in with or layered on top of CO ice. CO2 photodesorbs through dissociation and subsequent recombination from the top 10 layers of the ice. At low temperatures (15-18 K) the derived photodesorption yields are 2.7x10^-3 and CO2 photodesorption yield is 1.2x10^-3x(1-e^(-X/2.9)) + 1.1x10^-3x(1-e^(-X/4.6)) molecules photon-1, where X is the ice thickness in monolayers and the two parts of the expression represent a CO2 and CO photodesorption pathway.

  3. Gas ageice age differences and the chronology of the Vostok ice core, M. L. Bender,1

    E-Print Network [OSTI]

    Chappellaz, Jérôme

    Gas age­ice age differences and the chronology of the Vostok ice core, 0­100 ka M. L. Bender,1 G. [1] Gas is trapped in polar ice at depths of $50­120 m and is therefore significantly younger than cores (Vostok, Dome Fuji, and Dome C). We recorrelate the gas records of Vostok and Greenland Ice Sheet

  4. Fast numerical method for growth and retreat of subsurface ice on Mars Norbert Schorghofer

    E-Print Network [OSTI]

    Schörghofer, Norbert

    ice, retreat of pore ice, retreat of an ice sheet, and retreat of pore ice due to geothermal heating) Dtexpl: vertical spatial resolution and D the diffusion coef- ficient. The vertical grid spacing needs to be finer than the diurnal skin depth of the temperature cycle. The diurnal

  5. Modelling the reorientation of sea-ice faults as the wind changes direction

    E-Print Network [OSTI]

    Feltham, Daniel

    Modelling the reorientation of sea-ice faults as the wind changes direction Alexander V. WILCHINSKY-1290, USA ABSTRACT. A discrete-element model of sea ice is used to study how a 908 change in wind direction alters the pattern of faults generated through mechanical failure of the ice. The sea-ice domain is 400

  6. Development, sensitivity analysis, and uncertainty quantification of high-fidelity arctic sea ice models.

    SciTech Connect (OSTI)

    Peterson, Kara J.; Bochev, Pavel Blagoveston; Paskaleva, Biliana S.

    2010-09-01

    Arctic sea ice is an important component of the global climate system and due to feedback effects the Arctic ice cover is changing rapidly. Predictive mathematical models are of paramount importance for accurate estimates of the future ice trajectory. However, the sea ice components of Global Climate Models (GCMs) vary significantly in their prediction of the future state of Arctic sea ice and have generally underestimated the rate of decline in minimum sea ice extent seen over the past thirty years. One of the contributing factors to this variability is the sensitivity of the sea ice to model physical parameters. A new sea ice model that has the potential to improve sea ice predictions incorporates an anisotropic elastic-decohesive rheology and dynamics solved using the material-point method (MPM), which combines Lagrangian particles for advection with a background grid for gradient computations. We evaluate the variability of the Los Alamos National Laboratory CICE code and the MPM sea ice code for a single year simulation of the Arctic basin using consistent ocean and atmospheric forcing. Sensitivities of ice volume, ice area, ice extent, root mean square (RMS) ice speed, central Arctic ice thickness, and central Arctic ice speed with respect to ten different dynamic and thermodynamic parameters are evaluated both individually and in combination using the Design Analysis Kit for Optimization and Terascale Applications (DAKOTA). We find similar responses for the two codes and some interesting seasonal variability in the strength of the parameters on the solution.

  7. A Model of Viscoelastic Ice-Shelf Flexure

    E-Print Network [OSTI]

    MacAyeal, Douglas R.; Sergienko, Olga V.; Banwell, Alison F.

    2015-07-15

    -shelf and ice-stream motion and stress fields. Examples of these phenomena27 include tide-driven grounding-line flexure and migration [e.g., Sayag and Worster, 2013, Tsai and28 Gudmundsson, 2015], tidally pulsed grounding line ice velocity variations [e... -shelf flexure that is applicable to circumstances where the114 ratio of vertical to horizontal length scales, H and L, respectively, is small (H/L ? 1), and where115 the vertical displacement (assumed constant through the depth of the ice shelf) due to flexure...

  8. 17th European Biomass Conference and Exhibition 2009, Hamburg, Germany Lignocellulosic Ethanol: The Path to Market

    E-Print Network [OSTI]

    17th European Biomass Conference and Exhibition 2009, Hamburg, Germany Lignocellulosic Ethanol of transport fuels from biomass is essential if the EU aspiration to substitute 10% of transport fuels investment in R&D in the US, Europe and Asia. The production of ethanol from lignocellulosic biomass

  9. Second International Symposium on Marine Propulsors smp'11, Hamburg, Germany, June 2011

    E-Print Network [OSTI]

    Mahesh, Krishnan

    Second International Symposium on Marine Propulsors smp'11, Hamburg, Germany, June 2011 Large Eddy Simulation of the Effect of Hull on Marine Propulsors in Crashback Aman Verma, Hyunchul Jang, Krishnan Mahesh Aerospace Engineering and Mechanics, University of Minnesota, Minneapolis, USA ABSTRACT Presence of the hull

  10. Proceedings of Workshop on Uranium Production Environmental Restoration: An exchange between the United States and Germany

    SciTech Connect (OSTI)

    Not Available

    1993-12-31

    Scientists, engineers, elected officials, and industry regulators from the United, States and Germany met in Albuquerque, New Mexico, August 16--20, 1993, in the first joint international workshop to discuss uranium tailings remediation. Entitled ``Workshop on Uranium Production Environmental Restoration: An Exchange between the US and Germany,`` the meeting was hosted by the US Department of Energy`s (DOE) Uranium Mill Tailings Remedial Action (UMTRA) Project. The goal of the workshop was to further understanding and communication on the uranium tailings cleanup projects in the US and Germany. Many communities around the world are faced with an environmental legacy -- enormous quantities of hazardous and low-level radioactive materials from the production of uranium used for energy and nuclear weapons. In 1978, the US Congress passed the Uranium Mill Tailings Radiation Control Act. Title I of the law established a program to assess the tailings at inactive uranium processing sites and provide a means for joint federal and state funding of the cleanup efforts at sites where all or substantially all of the uranium was produced for sale to a federal agency. The UMTRA Project is responsible for the cleanup of 24 sites in 10 states. Germany is facing nearly identical uranium cleanup problems and has established a cleanup project. At the workshop, participants had an opportunity to interact with a broad cross section of the environmental restoration and waste disposal community, discuss common concerns and problems, and develop a broader understanding of the issues. Abstracts are catalogued individually for the data base.

  11. Talking to the Enemy: Germany's Capture of British Voices in the Great War

    E-Print Network [OSTI]

    Talking to the Enemy: Germany's Capture of British Voices in the Great War Catherine Robson Between 1915 and 1918, members of a Royal Prussian Phonogramm Commission visited 70 prisoner-of- war camps of this remarkable episode in the Great War; it explores the project's informing contexts and operational details

  12. Signature of Rhine Valley sturzstrom dam failures in Holocene sediments of Lake Constance, Germany

    E-Print Network [OSTI]

    Gilli, Adrian

    Signature of Rhine Valley sturzstrom dam failures in Holocene sediments of Lake Constance, Germany 4 November 2003; received in revised form 12 April 2004; accepted 26 April 2004 Abstract Landslide-dammed that the hyperpycnite deposits are directly related to the failure of two sturzstrom dams and the draining of the dammed

  13. Operational costs induced by fluctuating wind power production in Germany and Scandinavia

    E-Print Network [OSTI]

    of fossil fuel resources especially oil and natural gas, alternatives to electricity production basedOperational costs induced by fluctuating wind power production in Germany and Scandinavia Peter to the variability and unpredictability of wind power production. For large amounts of wind power production

  14. Performance-based Specifications in Public Procurement: Exploring the Case of Germany

    E-Print Network [OSTI]

    Vellekoop, Michel

    Performance-based Specifications in Public Procurement: Exploring the Case of Germany Author rising requirements on the sector such as sustainability and innovation aspects impose challenges valuable solutions is the employment of performance-based specifications (PBS) in the procurement process

  15. 24th European Photovoltaic Solar Energy Conference, Hamburg, Germany, Sept. 2009 VIREEFFECT: VIARESISTANCE INDUCED RECOMBINATION ENHANCEMENT

    E-Print Network [OSTI]

    DEVELOPMENT The strategies for efficiency improvement of EWT solar cells are comparable to those of any other­RESISTANCE INDUCED RECOMBINATION ENHANCEMENT ­ THE ORIGIN OF REDUCED FILL FACTORS OF EMITTER WRAP THROUGH SOLAR CELLS-Wolfen, Germany. ABSTRACT: Emitter wrap through solar cells (EWT) are known for exhibiting low fill factors (FF

  16. FOCUS GROUP on PHOTONICS Universitatsstr. 27/PRG, D-58084 Hagen, Germany

    E-Print Network [OSTI]

    Jahns, Jürgen

    FOCUS GROUP on PHOTONICS Universit¨atsstr. 27/PRG, D-58084 Hagen, Germany Fundamentals and Theory of Electromagnetics (Allgemeine und Theoretische Elektrotechnik) Prof. Dr.-Ing. Reinhold Pregla - Reinhold Christian Bonerz Richard Heming Udo Vieth Prof. Dr.-Ing. Wilfrid Pascher, formerly Electromagnetic Field

  17. Wolfgang Ketterle Education Pre-diploma (Vordiplom), Physics, University of Heidelberg, Germany, 1978

    E-Print Network [OSTI]

    Physical Society (APS, Fellow, 1997) Optical Society of America (OSA, Fellow, 2006) American AcademyWolfgang Ketterle Education · Pre-diploma (Vordiplom), Physics, University of Heidelberg, Germany, 1978 · Diploma (Diplom, equivalent of master's degree), Physics, Technical University of Munich

  18. GEA Refrigeration Technologies / GEA Refrigeration Germany GmbH Wolfgang Dietrich / Dr. Ole Fredrich

    E-Print Network [OSTI]

    Oak Ridge National Laboratory

    Technologies3 Achema 2012 // heat pumps using ammonia Industrial demand on heat in Germany Heatdemandin Fredrich GEA Grasso heat pumps using ammonia ­ the megawatt range #12;GEA Refrigeration Technologies2 Achema 2012 // heat pumps using ammonia Heat pumps using ammonia ­ a sustainable choice How to improve

  19. DOE Signs Notice to Prepare Environmental Assessment on Proposed Project with Germany

    Broader source: Energy.gov [DOE]

    WASHINGTON, D.C. – The Energy Department recently signed a notice of intent to prepare an environmental assessment to analyze the potential environmental impacts from a proposed project to accept used nuclear fuel from the Federal Republic of Germany at DOE’s Savannah River Site (SRS) for processing and disposition.

  20. Contributions to the FEL'99 Conference, August 23-28, 1999 in Hamburg, Germany

    E-Print Network [OSTI]

    Contributions to the FEL'99 Conference, August 23-28, 1999 in Hamburg, Germany TESLA FEL of the VUV FEL at the TESLA Tesl Facility Physik, Garching Test Results on the Silicon Pixel Detector for the TTF-FEL Beam Trajectory Monitor

  1. Health Insurance In Germany there are different regulations regarding health insurance which depend on whether you

    E-Print Network [OSTI]

    Wolkenhauer, Olaf

    Health Insurance In Germany there are different regulations regarding health insurance which depend) are considered liable for compulsory health insurance and must choose a public health insurance company a voluntary insurance with a public health insurance provider or to complete a private health insurance. DAAD

  2. Microphysical Consequences of the Spatial Distribution of Ice Nucleation in Mixed-Phase Stratiform Clouds

    SciTech Connect (OSTI)

    Yang, Fan; Ovchinnikov, Mikhail; Shaw, Raymond A.

    2014-07-28

    Mixed-phase stratiform clouds can persist even with steady ice precipitation fluxes, and the origin and microphysical properties of the ice crystals are of interest. Vapor deposition growth and sedimentation of ice particles along with a uniform volume source of ice nucleation, leads to a power law relation between ice water content wi and ice number concentration ni with exponent 2.5. The result is independent of assumptions about the vertical velocity structure of the cloud and is therefore more general than the related expression of Yang et al. [2013]. The sensitivity of the wi-ni relationship to the spatial distribution of ice nucleation is confirmed by Lagrangian tracking and ice growth with cloud-volume, cloud-top, and cloud-base sources of ice particles through a time-dependent cloud field. Based on observed wi and ni from ISDAC, a lower bound of 0.006 m^3/s is obtained for the ice crystal formation rate.

  3. Minimalist Model of Ice Microphysics in Mixed-phase Stratiform Clouds

    SciTech Connect (OSTI)

    Yang, F.; Ovchinnikov, Mikhail; Shaw, Raymond A.

    2013-07-28

    The question of whether persistent ice crystal precipitation from super cooled layer clouds can be explained by time-dependent, stochastic ice nucleation is explored using an approximate, analytical model, and a large-eddy simulation (LES) cloud model. The updraft velocity in the cloud defines an accumulation zone, where small ice particles cannot fall out until they are large enough, which will increase the residence time of ice particles in the cloud. Ice particles reach a quasi-steady state between growth by vapor deposition and fall speed at cloud base. The analytical model predicts that ice water content (wi) has a 2.5 power law relationship with ice number concentration ni. wi and ni from a LES cloud model with stochastic ice nucleation also confirm the 2.5 power law relationship. The prefactor of the power law is proportional to the ice nucleation rate, and therefore provides a quantitative link to observations of ice microphysical properties.

  4. THE STRUCTURE OF SURFACE H{sub 2}O LAYERS OF ICE-COVERED PLANETS WITH HIGH-PRESSURE ICE

    SciTech Connect (OSTI)

    Ueta, S.; Sasaki, T. E-mail: takanori@geo.titech.ac.jp

    2013-10-01

    Many extrasolar (bound) terrestrial planets and free-floating (unbound) planets have been discovered. While the existence of bound and unbound terrestrial planets with liquid water is an important question, of particular importance is the question of these planets' habitability. Even for a globally ice-covered planet, geothermal heat from the planetary interior may melt the interior ice, creating an internal ocean covered by an ice shell. In this paper, we discuss the conditions that terrestrial planets must satisfy for such an internal ocean to exist on the timescale of planetary evolution. The question is addressed in terms of planetary mass, distance from a central star, water abundance, and abundance of radiogenic heat sources. In addition, we investigate the structure of the surface H{sub 2}O layers of ice-covered planets by considering the effects of ice under high pressure (high-pressure ice). As a fiducial case, a 1 M{sub ?} planet at 1 AU from its central star and with 0.6-25 times the H{sub 2}O mass of the Earth could have an internal ocean. We find that high-pressure ice layers may appear between the internal ocean and the rock portion on a planet with an H{sub 2}O mass over 25 times that of the Earth. The planetary mass and abundance of surface water strongly restrict the conditions under which an extrasolar terrestrial planet may have an internal ocean with no high-pressure ice under the ocean. Such high-pressure ice layers underlying the internal ocean are likely to affect the habitability of the planet.

  5. Ice Concentration Retrieval in Stratiform Mixed-phase Clouds Using Cloud Radar Reflectivity Measurements and 1D Ice Growth Model Simulations

    SciTech Connect (OSTI)

    Zhang, Damao; Wang, Zhien; Heymsfield, Andrew J.; Fan, Jiwen; Luo, Tao

    2014-10-01

    Measurement of ice number concentration in clouds is important but still challenging. Stratiform mixed-phase clouds (SMCs) provide a simple scenario for retrieving ice number concentration from remote sensing measurements. The simple ice generation and growth pattern in SMCs offers opportunities to use cloud radar reflectivity (Ze) measurements and other cloud properties to infer ice number concentration quantitatively. To understand the strong temperature dependency of ice habit and growth rate quantitatively, we develop a 1-D ice growth model to calculate the ice diffusional growth along its falling trajectory in SMCs. The radar reflectivity and fall velocity profiles of ice crystals calculated from the 1-D ice growth model are evaluated with the Atmospheric Radiation Measurements (ARM) Climate Research Facility (ACRF) ground-based high vertical resolution radar measurements. Combining Ze measurements and 1-D ice growth model simulations, we develop a method to retrieve the ice number concentrations in SMCs at given cloud top temperature (CTT) and liquid water path (LWP). The retrieved ice concentrations in SMCs are evaluated with in situ measurements and with a three-dimensional cloud-resolving model simulation with a bin microphysical scheme. These comparisons show that the retrieved ice number concentrations are within an uncertainty of a factor of 2, statistically.

  6. 1 | De-icing salt damage to trees | November 2011 Pathology Advisory Note

    E-Print Network [OSTI]

    1 | De-icing salt damage to trees | November 2011 Pathology Advisory Note (No. 11) De-icing salt damage to trees De-icing Salt Damage to Trees Joan F Webber, David R Rose, Martin C Dobson #12;2 | De-icing salt damage to trees | November 2011 S a l t D a m a g e De-icing Salt Damage Introduction Rock salt

  7. Autosub missions beneath Polar Ice: Preparation and Experience

    E-Print Network [OSTI]

    Griffiths, Gwyn

    events implemented (up from 1); ordered sequences of events to trigger next mission element added. J and shelf ice. 4 - 12 kHz chirp sub-bottom profiler to obtain the stratigraphy within sediments Water

  8. Hydrological and biogeochemical cycling along the Greenland ice sheet margin

    E-Print Network [OSTI]

    Bhatia, Maya Pilar, 1979-

    2012-01-01

    Global warming has led to a significant increase in Greenland ice sheet (GrIS) melt and runoff since 1990, resulting in escalated export of fresh water and associated sediment to the surrounding North Atlantic and Arctic ...

  9. Intelligent Matchmaking for Polar Ice Sheet Data Collection and Delivery

    E-Print Network [OSTI]

    Kansas, University of

    for the dynamic configuration of sensors and the motion of the rovers that carry them. The PRISM intelligent intelligent sensor and roveIntelligent Matchmaking for Polar Ice Sheet Data Collection and Delivery Costas Tsatsoulis, Sudha

  10. Neutrino Physics with the IceCube Detector

    E-Print Network [OSTI]

    Kiryluk, Joanna; IceCube Collaboration

    2008-01-01

    Science, O?ce of Nu- clear Physics, of the U.S. Departmentjkiryluk?lake?louise?lbl NEUTRINO PHYSICS WITH THE ICECUBESNRs). Other IceCube physics topics include searches for

  11. Periodic fluctuations in deep water formation due to sea ice

    E-Print Network [OSTI]

    Saha, Raj

    2015-01-01

    During the last ice age several quasi-periodic abrupt warming events took place. Known as Dansgaard-Oeschger (DO) events their effects were felt globally, although the North Atlantic experienced the largest temperature anomalies. Paleoclimate data shows that the fluctuations often occurred right after massive glacial meltwater releases in the North Atlantic and in bursts of three or four with progressively decreasing strengths. In this study a simple dynamical model of an overturning circulation and sea ice is developed with the goal of understanding the fundamental mechanisms that could have caused the DO events. Interaction between sea ice and the overturning circulation in the model produces self-sustained oscillations. Analysis and numerical experiments reveal that the insulating effect of sea ice causes the ocean to periodically vent out accumulated heat in the deep ocean into the atmosphere. Subjecting the model to idealized freshwater forcing mimicking Heinrich events causes modulation of the natural p...

  12. Immersion freezing of clay minerals and bacterial ice nuclei

    E-Print Network [OSTI]

    Hiranuma, Naruki

    2013-01-01

    The immersion mode ice nucleation efficiency of clay minerals and biological aerosols has been investigated using the AIDA (Aerosol Interaction and Dynamics in the Atmosphere) cloud chamber. Both monodisperse and polydisperse ...

  13. Interface limited growth of heterogeneously nucleated ice in supercooled water

    E-Print Network [OSTI]

    Razvan A. Nistor; Thomas E. Markland; B. J. Berne

    2013-12-30

    Heterogeneous ice growth exhibits a maximum in freezing rate arising from the competition between kinetics and the thermodynamic driving force between the solid and liquid states. Here, we use molecular dynamics simulations to elucidate the atomistic details of this competition, focusing on water properties in the interfacial region along the secondary prismatic direction. The crystal growth velocity is maximized when the efficiency of converting interfacial water molecules to ice, collectively known as the attachment kinetics, is greatest. We find water molecules that contact the intermediate ice layer in concave regions along the atomistically roughened surface are more likely to freeze directly. The increased roughening of the solid surface at large undercoolings consequently plays an important limiting role on the rate of ice growth, as water molecules are unable to integrate into increasingly deeper surface pockets. These results provide insights into the molecular mechanisms for self-assembly of solid phases that are important in many biological and atmospheric processes.

  14. Psychology General Of1ice P217 Biological Sciences Building

    E-Print Network [OSTI]

    Machel, Hans

    Psychology General Of1ice P217 Biological Sciences Building Edmonton, Alberta. Robert Cook ----------------------------------------------- Professor of Psychology Dean in 1986, when he joined the Department of Psychology as an assistant

  15. Thermal desorption of CH4 retained in CO2 ice

    E-Print Network [OSTI]

    Luna, R; Domingo, M; Satorre, M A

    2008-01-01

    CO2 ices are known to exist in different astrophysical environments. In spite of this, its physical properties (structure, density, refractive index) have not been as widely studied as those of water ice. It would be of great value to study the adsorption properties of this ice in conditions related to astrophysical environments. In this paper, we explore the possibility that CO2 traps relevant molecules in astrophysical environments at temperatures higher than expected from their characteristic sublimation point. To fulfil this aim we have carried out desorption experiments under High Vacuum conditions based on a Quartz Crystal Microbalance and additionally monitored with a Quadrupole Mass Spectrometer. From our results, the presence of CH4 in the solid phase above the sublimation temperature in some astrophysical scenarios could be explained by the presence of several retaining mechanisms related to the structure of CO2 ice.

  16. Oil spreading in surface waters with an ice cover

    SciTech Connect (OSTI)

    Yapa, P.D.; Weerasuriya, S.A.; Belaskas, D.P.; Chowdhury, T.

    1993-02-01

    A study of oil spreading in surface waters in the presence of a floating ice cover is presented. The ice can be solid or fragmented. Both axi-symmetrical and uni-directional spreading are studied. The report describes the analytical and numerical model development, the experimental set-up, results from the laboratory experiments, and their comparison with the derived theory and the numerical simulation. To analyze the spreading of oil under solid ice, new equations are derived. These equations consider gravity (buoyancy) - inertia phase, gravity (buoyancy) - viscous phase, and the termination of spreading during the buoyancy - surface tension phase. The derivation considers both the constant discharge mode and the constant volume mode. Therefore, a complete description of the spreading phenomena from the time of initial spill to termination of spreading is presented. The emphasis of the study is on the dominant spreading mechanism for oil under ice, which is the buoyancy-viscous phase.

  17. Magnetization plateaus of dipolar spin ice on kagome lattice

    SciTech Connect (OSTI)

    Xie, Y. L.; Wang, Y. L.; Yan, Z. B.; Liu, J.-M.

    2014-05-07

    Unlike spin ice on pyrochlore lattice, the spin ice structure on kagome lattice retains net magnetic charge, indicating non-negligible dipolar interaction in modulating the spin ice states. While it is predicted that the dipolar spin ice on kagome lattice exhibits a ground state with magnetic charge order and ?3?×??3 spin order, our work focuses on the magnetization plateau of this system. By employing the Wang-Landau algorithm, it is revealed that the lattice exhibits the fantastic three-step magnetization in response to magnetic field h along the [10] and [01] directions, respectively. For the h//[1 0] case, an additional ?3/6M{sub s} step, where M{sub s} is the saturated magnetization, is observed in a specific temperature range, corresponding to a new state with charge order and short-range spin order.

  18. Thermal desorption of CH4 retained in CO2 ice

    E-Print Network [OSTI]

    R. Luna; C. Millan; M. Domingo; M. A. Satorre

    2008-01-21

    CO2 ices are known to exist in different astrophysical environments. In spite of this, its physical properties (structure, density, refractive index) have not been as widely studied as those of water ice. It would be of great value to study the adsorption properties of this ice in conditions related to astrophysical environments. In this paper, we explore the possibility that CO2 traps relevant molecules in astrophysical environments at temperatures higher than expected from their characteristic sublimation point. To fulfil this aim we have carried out desorption experiments under High Vacuum conditions based on a Quartz Crystal Microbalance and additionally monitored with a Quadrupole Mass Spectrometer. From our results, the presence of CH4 in the solid phase above the sublimation temperature in some astrophysical scenarios could be explained by the presence of several retaining mechanisms related to the structure of CO2 ice.

  19. Radio-frequency probes of Antarctic ice at South Pole

    E-Print Network [OSTI]

    Besson, David Zeke; Kravchenko, I.

    2013-05-16

    consistent with measurements in East Antarctica. Combined with other radio echo sounding data, we conclude that observed birefringent asymmetries at South Pole are generated entirely in the lower half of the ice sheet. By contrast, birefringent asymmetries...

  20. Determining Greenland Ice Sheet sensitivity to regional climate change: one-way coupling of a 3-D thermo-mechanical ice sheet model with a mesoscale climate model

    E-Print Network [OSTI]

    Schlegel, Nicole-Jeanne

    2011-01-01

    ice sheet model with a mesoscale climate model By Nicole-ice sheet model with a mesoscale climate model Copyrightice sheet model with a mesoscale climate model by Nicole-

  1. IceCube: The state of the art

    E-Print Network [OSTI]

    Teresa Montaruli

    2006-08-09

    In this paper we describe the performance of the 9 instrumented IceCube strings and 16 surface IceTop stations taking data at the Geographical South Pole after 2 deployment seasons. We will focus on the description of the array and on the construction and data analysis status. The expected full array performance is discussed and compared to other results for the relevant physics studies using high energy neutrinos for astrophysical neutrino searches.

  2. Structure order, local potentials, and physical anomalies of water ice

    E-Print Network [OSTI]

    Chang Q Sun

    2014-07-11

    Hydrogen-bond forms a pair of asymmetric, coupled, H-bridged oscillators with ultra-short-range interactions and memory. hydrogen bond cooperative relaxation and the associated binding electron entrapment and nonbonding electron polarization discriminate water and ice from other usual materials in the physical anomalies. As a strongly correlated fluctuating system, water prefers the statistically mean of tetrahedrally-coordinated structure with a supersolid skin that is elastic, polarized, ice like, hydrophobic, with 3/4 density.

  3. On the recent M=6.1 earthquake occurred at Kefalonia island (South-West Greece) on 26 January 2014: Manifestations of an Earth system in critical state

    E-Print Network [OSTI]

    Contoyiannis, Y; Kopanas, J; Antonopoulos, G; Koulouras, G; Eftaxias, K; Nomicos, C

    2014-01-01

    In this paper we show, in terms of fracture-induced electromagnetic emissions (EME) recorded two days prior to the earthquake of Kefalonia (Cephalonia), Greece [(38.22o N, 20.53oE), 26 January 2014, M=6.1] that the Earth system around the focal area came to critical condition two days before the earthquake occurence. Specifically, the MHz EME recorded by the remote telemetric stations on the island of Kefalonia and the neighboring island of Zante came simultaneously to critical conditions. The analysis was performed by means of the method of critical fluctuations (MCF) revealing critical features.

  4. A Comprehensive Mathematical Model for the Correlation of Earthquake Magnitude with Geochemical Measurements. A Case Study: the Nisyros Volcano in Greece

    SciTech Connect (OSTI)

    Verros, G. D.; Latsos, T.; Liolios, C.; Anagnostou, K. E. [Department of Electrical Engineering, Technological Educational Institute of Lamia, GR-351 00 Lamia (Greece)

    2009-08-13

    A comprehensive mathematical model for the correlation of geological phenomena such as earthquake magnitude with geochemical measurements is presented in this work. This model is validated against measurements, well established in the literature, of {sup 220}Rn/{sup 222}Rn in the fumarolic gases of the Nisyros Island, Aegean Sea, Greece. It is believed that this model may be further used to develop a generalized methodology for the prediction of geological phenomena such as earthquakes and volcanic eruptions in the vicinity of the Nisyros Island.

  5. Sputtering of Oxygen Ice by Low Energy Ions

    E-Print Network [OSTI]

    Muntean, E A; Field, T A; Fitzsimmons, A; Hunniford, C A; McCullough, R W

    2015-01-01

    Naturally occurring ices lie on both interstellar dust grains and on celestial objects, such as those in the outer solar system. These ices are continu- ously subjected to irradiation by ions from the solar wind and/or cosmic rays, which modify their surfaces. As a result, new molecular species may form which can be sputtered off into space or planetary atmospheres. We determined the experimental values of sputtering yields for irradiation of oxygen ice at 10 K by singly (He+, C+, N+, O+ and Ar+) and doubly (C2+, N2+ and O2+) charged ions with 4 keV kinetic energy. In these laboratory experiments, oxygen ice was deposited and irradiated by ions in an ultra high vacuum chamber at low temperature to simulate the environment of space. The number of molecules removed by sputtering was observed by measurement of the ice thickness using laser interferometry. Preliminary mass spectra were taken of sputtered species and of molecules formed in the ice by temperature programmed desorption (TPD). We find that the experi...

  6. CO and N$_2$ desorption energies from water ice

    E-Print Network [OSTI]

    Fayolle, Edith C; Loomis, Ryan; Bergner, Jennifer; Graninger, Dawn M; Rajappan, Mahesh; Öberg, Karin I

    2015-01-01

    The relative desorption energies of CO and N$_2$ are key to interpretations of observed interstellar CO and N$_2$ abundance patterns, including the well-documented CO and N$_2$H$^+$ anti-correlations in disks, protostars and molecular cloud cores. Based on laboratory experiments on pure CO and N$_2$ ice desorption, the difference between CO and N$_2$ desorption energies is small; the N$_2$-to-CO desorption energy ratio is 0.93$\\pm$0.03. Interstellar ices are not pure, however, and in this study we explore the effect of water ice on the desorption energy ratio of the two molecules. We present temperature programmed desorption experiments of different coverages of $^{13}$CO and $^{15}$N$_2$ on porous and compact amorphous water ices and, for reference, of pure ices. In all experiments, $^{15}$N$_2$ desorption begins a few degrees before the onset of $^{13}$CO desorption. The $^{15}$N$_2$ and $^{13}$CO energy barriers are 770 and 866 K for the pure ices, 1034-1143 K and 1155-1298 K for different sub-monolayer co...

  7. IceCube: An Instrument for Neutrino Astronomy

    SciTech Connect (OSTI)

    IceCube Collaboration; Halzen, F.; Klein, S.

    2010-06-04

    Neutrino astronomy beyond the Sun was first imagined in the late 1950s; by the 1970s, it was realized that kilometer-scale neutrino detectors were required. The first such instrument, IceCube, is near completion and taking data. The IceCube project transforms a cubic kilometer of deep and ultra-transparent Antarctic ice into a particle detector. A total of 5,160 optical sensors are embedded into a gigaton of Antarctic ice to detect the Cherenkov light emitted by secondary particles produced when neutrinos interact with nuclei in the ice. Each optical sensor is a complete data acquisition system, including a phototube, digitization electronics, control and trigger systems and LEDs for calibration. The light patterns reveal the type (flavor) of neutrino interaction and the energy and direction of the neutrino, making neutrino astronomy possible. The scientific missions of IceCube include such varied tasks as the search for sources of cosmic rays, the observation of Galactic supernova explosions, the search for dark matter, and the study of the neutrinos themselves. These reach energies well beyond those produced with accelerator beams.

  8. NET FISCAL STIMULUS DURING THE GREAT RECESSION

    E-Print Network [OSTI]

    Aizenman, Joshua; Pasricha, Gurnain Kaur

    2011-01-01

    Germany Greece Hungary Iceland* Ireland Italy Japan Korea Mexico* Netherlands New Zealand Norway Poland Portugal Spain Sweden Turkey*Turkey Czech Republic Sweden France Norway Netherlands Japan GermanyTurkey Portugal New Zealand Denmark Netherlands Czech Republic Germany

  9. INDICATOR: LAKE ERIE ICE COVER Winter ice cover on Lake Erie affects the amount of heat and moisture transferred

    E-Print Network [OSTI]

    by impeding or stopping navigation, interfering with power plants and cooling water intakes, and damaging was virtually free of any significant ice cover in 1998 and, with the exception of portions of January, the same

  10. The glacier and land ice surface topography interferometer: An airborne proof-of-concept demonstration of high-precision Ka-band single-pass elevation mapping

    E-Print Network [OSTI]

    2011-01-01

    and Land Ice Surface Topography Interferometer (GLISTIN): AAND LAND ICE SURFACE TOPOGRAPHY INTERFEROMETER application,”AND LAND ICE SURFACE TOPOGRAPHY INTERFEROMETER Fig. 2.

  11. 115 year ice-core data from Akademii Nauk ice cap, Severnaya Zemlya: high-resolution record of Eurasian Arctic climate change

    E-Print Network [OSTI]

    Fischer, Hubertus

    ice core has been drilled within the framework of the European Project for Ice Coring in Antarctica of Antarctica. Drilling reached bedrock during the last field season 2005/06 providing ice over a time span. Since Ca2+ is derived from terrestrial dust and marine sources, the non-sea-salt calcium concentrations

  12. FULLY SAMPLED MAPS OF ICES AND SILICATES IN FRONT OF CEPHEUS A EAST WITH THE SPITZER SPACE TELESCOPE1

    E-Print Network [OSTI]

    Gerakines, Perry

    are relatively constant over the mapped region exhibiting both ice absorptions. The fraction of CO2 ice are invoked. The routine detection of solid CO2, with a fraction relative to water ice between 9% and 37 report the first fully sampled maps of the distribution of interstellar CO2 ices, H2O ices, and total

  13. Understanding cirrus ice crystal number variability for different heterogeneous ice nucleation spectra

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Sullivan, S. C.; Morales Betancourt, R.; Barahona, D.; Nenes, A.

    2015-08-11

    Along with minimizing parameter uncertainty, understanding the cause of temporal and spatial variability of nucleated ice crystal number, Ni, is key to improving the representation of cirrus clouds in climate models. To this end, sensitivities of Ni to input variables like aerosol number and diameter provide valuable information about nucleation regime and efficiency for a given model formulation. Here we use the adjoint model of the Barahona and Nenes cirrus formation parameterization to understand Ni variability for various ice-nucleating particle (INP) spectra. Inputs are generated with the Community Atmosphere Model version 5, and simulations are done with a theoretically-derived spectrum,more »a lab-based empirical spectrum, and two field-based empirical spectra that differ in the nucleation threshold for black carbon aerosol and in the active site density for dust. The magnitude and sign of Ni sensitivity to insoluble aerosol number can be directly linked to nucleation regime and efficiency of various INP. The lab-based spectrum calculates much higher INP efficiencies than field-based ones, which reveals a disparity in aerosol surface properties. Ni sensitivity to temperature tends to be low, due to the compensating effects of temperature on INP spectrum parameters; this low temperature sensitivity regime has been experimentally reported before but never unraveled as done here.« less

  14. OBSERVATIONAL CONSTRAINTS ON METHANOL PRODUCTION IN INTERSTELLAR AND PREPLANETARY ICES

    SciTech Connect (OSTI)

    Whittet, D. C. B.; Cook, A. M.; Herbst, Eric; Chiar, J. E.; Shenoy, S. S.

    2011-11-20

    Methanol (CH{sub 3}OH) is thought to be an important link in the chain of chemical evolution that leads from simple diatomic interstellar molecules to complex organic species in protoplanetary disks that may be delivered to the surfaces of Earthlike planets. Previous research has shown that CH{sub 3}OH forms in the interstellar medium predominantly on the surfaces of dust grains. To enhance our understanding of the conditions that lead to its efficient production, we assemble a homogenized catalog of published detections and limiting values in interstellar and preplanetary ices for both CH{sub 3}OH and the other commonly observed C- and O-bearing species, H{sub 2}O, CO, and CO{sub 2}. We use this catalog to investigate the abundance of ice-phase CH{sub 3}OH in environments ranging from dense molecular clouds to circumstellar envelopes around newly born stars of low and high mass. Results show that CH{sub 3}OH production arises during the CO freezeout phase of ice-mantle growth in the clouds, after an ice layer rich in H{sub 2}O and CO{sub 2} is already in place on the dust, in agreement with current astrochemical models. The abundance of solid-phase CH{sub 3}OH in this environment is sufficient to account for observed gas-phase abundances when the ices are subsequently desorbed in the vicinity of embedded stars. CH{sub 3}OH concentrations in the ices toward embedded stars show order-of-magnitude object-to-object variations, even in a sample restricted to stars of low mass associated with ices lacking evidence of thermal processing. We hypothesize that the efficiency of CH{sub 3}OH production in dense cores and protostellar envelopes is mediated by the degree of prior CO depletion.

  15. Attenuation of acoustic waves in glacial ice and salt domes

    E-Print Network [OSTI]

    P. B. Price

    2005-06-27

    Two classes of natural solid media (glacial ice and salt domes) are under consideration as media in which to deploy instruments for detection of neutrinos with energy >1e18 eV. Though insensitive to 1e11 to 1e16 eV neutrinos for which observatories (e.g., AMANDA and IceCube) that utilize optical Cherenkov radiation detectors are designed, radio and acoustic methods are suited for searches for the very low fluxes of neutrinos with energies >1017 eV. This is because, due to the very long attenuation lengths of radio and acoustic waves in ice and salt, detection modules can be spaced very far apart. In this paper, I calculate the absorption and scattering coefficients as a function of frequency and grain size for acoustic waves in glacial ice and salt domes and show that experimental measurements on laboratory samples and in glacial ice and salt domes are consistent with theory. For South Pole ice with grain size 0.2 cm at -51 degrees C, scattering lengths are calculated to be 2000 km and 25 km at 10 kHz and 30 kHz, respectively, and the absorption length is calculated to be 9 km at frequencies above 100 Hz. For NaCl (rock salt) with grain size 0.75 cm, scattering lengths are calculated to be 120 km and 1.4 km at 10 kHz and 30 kHz, and absorption lengths are calculated to be 30,000 km and 3300 km at 10 kHz and 30 kHz. Existing measurements are consistent with theory. For ice, absorption is the limiting factor; for salt, scattering is the limiting factor.

  16. An Analysis of Residential PV System Price Differences between the United States and Germany

    Broader source: Energy.gov [DOE]

    Residential photovoltaic (PV) systems were twice as expensive in the United States as in Germany (median of $5.29/W vs. $2.59/W) in 2012. This price discrepancy stems primarily from differences in non-hardware or "soft" costs between the two countries, which can only be explained in part by differences in cumulative market size and associated learning. A survey of German PV installers was deployed to collect rough data on PV soft costs in Germany to compare to results of a similar survey of U.S. PV installers. Non-module hardware costs and all analyzed soft costs are lower in Germany, especially for customer acquisition, installation labor, and profit/overhead costs, but also for expenses related to permitting, interconnection, and inspection procedures. Additional costs occur in the United States due to state and local sales taxes, smaller average system sizes, and longer project development times. To reduce the identified additional costs of residential PV systems, the United States could introduce policies that enable a robust and lasting market while minimizing market fragmentation.

  17. Evidence of NAO control on subsurface ice accumulation in a 1200 yr old cave-ice sequence, St. Livres ice cave, Switzerland

    E-Print Network [OSTI]

    Butler, David R. - Department of Geography, Texas State University

    . Livres ice cave, Switzerland Markus Stoffel a,b,c, , Marc Luetscher d,e , Michelle Bollschweiler b Sciences, University of Geneva, Site de Batelle, chemin de Drize 7, CH-1227 Carouge-Geneva, Switzerland b, Baltzerstrasse 1+3, CH-3012 Berne, Switzerland c Department of Geosciences, Geography, University of Fribourg

  18. Liquid Water Oceans in Ice Giants

    E-Print Network [OSTI]

    Sloane J. Wiktorowicz; Andrew P. Ingersoll

    2006-09-26

    Aptly named, ice giants such as Uranus and Neptune contain significant amounts of water. While this water cannot be present near the cloud tops, it must be abundant in the deep interior. We investigate the likelihood of a liquid water ocean existing in the hydrogen-rich region between the cloud tops and deep interior. Starting from an assumed temperature at a given upper tropospheric pressure (the photosphere), we follow a moist adiabat downward. The mixing ratio of water to hydrogen in the gas phase is small in the photosphere and increases with depth. The mixing ratio in the condensed phase is near unity in the photosphere and decreases with depth; this gives two possible outcomes. If at some pressure level the mixing ratio of water in the gas phase is equal to that in the deep interior, then that level is the cloud base. Alternately, if the mixing ratio of water in the condensed phase reaches that in the deep interior, then the surface of a liquid ocean will occur. We find that Neptune is both too warm (photospheric temperature too high) and too dry (mixing ratio of water in the deep interior too low) for liquid oceans to exist at present. To have a liquid ocean, Neptune's deep interior water to gas ratio would have to be higher than current models allow, and the density at 19 kbar would have to be ~ 0.8 g/cm^3. Such a high density is inconsistent with gravitational data obtained during the Voyager flyby. As Neptune cools, the probability of a liquid ocean increases. Extrasolar "hot Neptunes," which presumably migrate inward toward their parent stars, cannot harbor liquid water oceans unless they have lost almost all of the hydrogen and helium from their deep interiors.

  19. A methodology for optimal MSW management, with an application in the waste transportation of Attica Region, Greece

    SciTech Connect (OSTI)

    Economopoulou, M.A.; Economopoulou, A.A.; Economopoulos, A.P.

    2013-11-15

    Highlights: • A two-step (strategic and detailed optimal planning) methodology is used for solving complex MSW management problems. • A software package is outlined, which can be used for generating detailed optimal plans. • Sensitivity analysis compares alternative scenarios that address objections and/or wishes of local communities. • A case study shows the application of the above procedure in practice and demonstrates the results and benefits obtained. - Abstract: The paper describes a software system capable of formulating alternative optimal Municipal Solid Wastes (MSWs) management plans, each of which meets a set of constraints that may reflect selected objections and/or wishes of local communities. The objective function to be minimized in each plan is the sum of the annualized capital investment and annual operating cost of all transportation, treatment and final disposal operations involved, taking into consideration the possible income from the sale of products and any other financial incentives or disincentives that may exist. For each plan formulated, the system generates several reports that define the plan, analyze its cost elements and yield an indicative profile of selected types of installations, as well as data files that facilitate the geographic representation of the optimal solution in maps through the use of GIS. A number of these reports compare the technical and economic data from all scenarios considered at the study area, municipality and installation level constituting in effect sensitivity analysis. The generation of alternative plans offers local authorities the opportunity of choice and the results of the sensitivity analysis allow them to choose wisely and with consensus. The paper presents also an application of this software system in the capital Region of Attica in Greece, for the purpose of developing an optimal waste transportation system in line with its approved waste management plan. The formulated plan was able to: (a) serve 113 Municipalities and Communities that generate nearly 2 million t/y of comingled MSW with distinctly different waste collection patterns, (b) take into consideration several existing waste transfer stations (WTS) and optimize their use within the overall plan, (c) select the most appropriate sites among the potentially suitable (new and in use) ones, (d) generate the optimal profile of each WTS proposed, and (e) perform sensitivity analysis so as to define the impact of selected sets of constraints (limitations in the availability of sites and in the capacity of their installations) on the design and cost of the ensuing optimal waste transfer system. The results show that optimal planning offers significant economic savings to municipalities, while reducing at the same time the present levels of traffic, fuel consumptions and air emissions in the congested Athens basin.

  20. Does it take one or two to tango? : language skills, physical appearance, and immigrant integration in Germany

    E-Print Network [OSTI]

    Wickboldt, Anne-Katrin, 1970-

    2008-01-01

    Breaking with a long-held political stance that Germany is, despite a sizeable share of permanent immigrant residents, not a country of immigration, the German legislature has drawn up a new immigration law, which entered ...

  1. Using Vehicle Taxes to Reduce Carbon Dioxide Emissions Rates of New Passenger Vehicles: Evidence from France, Germany, and Sweden

    E-Print Network [OSTI]

    Klier, Thomas

    France, Germany, and Sweden link vehicle taxes to the carbon dioxide (CO2) emissions rates of passenger vehicles. Based on new vehicle registration data from 2005–2010, a vehicle’s tax is negatively correlated with its ...

  2. Cross-border transfer of climate change mitigation technologies : the case of wind energy from Denmark and Germany to India

    E-Print Network [OSTI]

    Mizuno, Emi, Ph. D. Massachusetts Institute of Technology

    2007-01-01

    This research investigated the causal factors and processes of international development and diffusion of wind energy technology by examining private sector cross-border technology transfer from Denmark and Germany to India ...

  3. Microbial Diversity Studies in Sediments of Perennially Ice-covered Lakes, McMurdo Dry Valleys, Antarctica

    E-Print Network [OSTI]

    Tang, Chao

    2009-01-01

    perennial ice cover. Sedimentology 38: 363-379. Takacs,perennial ice cover. Sedimentology 38: 363-379. Suzuki, M. ,perennial ice cover. Sedimentology 38: 363-379. Tamaki, H. ,

  4. Sensor development and calibration for acoustic neutrino detection in ice

    E-Print Network [OSTI]

    Karg, Timo; Laihem, Karim; Semburg, Benjamin; Tosi, Delia

    2009-01-01

    A promising approach to measure the expected low flux of cosmic neutrinos at the highest energies (E > 1 EeV) is acoustic detection. There are different in-situ test installations worldwide in water and ice to measure the acoustic properties of the medium with regard to the feasibility of acoustic neutrino detection. The parameters of interest include attenuation length, sound speed profile, background noise level and transient backgrounds. The South Pole Acoustic Test Setup (SPATS) has been deployed in the upper 500 m of drill holes for the IceCube neutrino observatory at the geographic South Pole. In-situ calibration of sensors under the combined influence of low temperature, high ambient pressure, and ice-sensor acoustic coupling is difficult. We discuss laboratory calibrations in water and ice. Two new laboratory facilities, the Aachen Acoustic Laboratory (AAL) and the Wuppertal Water Tank Test Facility, have been set up. They offer large volumes of bubble free ice (3 m^3) and water (11 m^3) for the devel...

  5. Periodic fluctuations in deep water formation due to sea ice

    E-Print Network [OSTI]

    Raj Saha

    2015-02-21

    During the last ice age several quasi-periodic abrupt warming events took place. Known as Dansgaard-Oeschger (DO) events their effects were felt globally, although the North Atlantic experienced the largest temperature anomalies. Paleoclimate data shows that the fluctuations often occurred right after massive glacial meltwater releases in the North Atlantic and in bursts of three or four with progressively decreasing strengths. In this study a simple dynamical model of an overturning circulation and sea ice is developed with the goal of understanding the fundamental mechanisms that could have caused the DO events. Interaction between sea ice and the overturning circulation in the model produces self-sustained oscillations. Analysis and numerical experiments reveal that the insulating effect of sea ice causes the ocean to periodically vent out accumulated heat in the deep ocean into the atmosphere. Subjecting the model to idealized freshwater forcing mimicking Heinrich events causes modulation of the natural periodicity and produces burst patterns very similar to what is observed in temperature proxy data. Numerical experiments with the model also suggests that the characteristic period of 1,500 years is due to the geometry, or the effective heat capacity, of the ocean that comes under sea ice cover.

  6. pMSSM Dark Matter Searches on Ice

    SciTech Connect (OSTI)

    Cotta, R.C.; /SLAC; Howe, K.T.K.; /SLAC /Stanford U., Phys. Dept.; Hewett, J.L.; Rizzo, T.G.; /SLAC

    2011-08-12

    We explore the capability of the IceCube/Deepcore array to discover signal neutrinos resulting from the annihilations of Supersymmetric WIMPS that may be captured in the solar core. In this analysis, we use a previously generated set of {approx} 70k model points in the 19-dimensional parameter space of the pMSSM which satisfy existing experimental and theoretical constraints. Our calculations employ a realistic estimate of the IceCube/DeepCore effective area that has been modeled by the IceCube collaboration. We find that a large fraction of the pMSSM models are shown to have significant signal rates in the anticipated IceCube/DeepCore 1825 day dataset, including some prospects for an early discovery. Many models where the LSP only constitutes a small fraction of the total dark matter relic density are found to have observable rates. We investigate in detail the dependence of the signal neutrino fluxes on the LSP mass, weak eigenstate composition, annihilation products and thermal relic density, as well as on the spin-independent and spin-dependent scattering cross sections. Lastly, We compare the model coverage of IceCube/DeepCore to that obtainable in near-future direct detection experiments and to pMSSM searches at the 7 TeV LHC.

  7. Nicholas (Nick) Ambraseys was born in Athens (Greece) on 19th January 1929 and died peacefully at his home in Putney (London, United Kingdom) on 28th December 2012 at the age of 83. Nick

    E-Print Network [OSTI]

    Boyer, Edmond

    D, which he was awarded in 1958. Following a few years at universities in Greece and in the United States at his home in Putney (London, United Kingdom) on 28th December 2012 at the age of 83. Nick attended of America he returned to Imperial College and remained there until his death. He was made Professor

  8. M. Flierl, T. Wiegand, B. Girod: Multihypothesis Pictures for H.26L, to be published in Proc. ICIP, Thessaloniki, Greece, Oct. 2001 1 MULTIHYPOTHESIS PICTURES FOR H.26L

    E-Print Network [OSTI]

    Flierl, Markus

    M. Flierl, T. Wiegand, B. Girod: Multihypothesis Pictures for H.26L, to be published in Proc. ICIP, Thessaloniki, Greece, Oct. 2001 1 MULTIHYPOTHESIS PICTURES FOR H.26L Markus Flierl Telecommunications Laboratory Stanford University Stanford, CA girod@ee.stanford.edu ABSTRACT Multihypothesis pictures

  9. Appeared in Proc. of Int'l Conference on Image Processing (ICIP), pp.282-285, Thessaloniki, Greece, Oct 7 -10, 2001. FINGERPRINT MATCHING USING MINUTIAE AND TEXTURE FEATURES

    E-Print Network [OSTI]

    Ross, Arun Abraham

    Appeared in Proc. of Int'l Conference on Image Processing (ICIP), pp.282-285, Thessaloniki, Greece the problems that plague traditional verification methods. Biometrics refers to the automatic identification) (c) Fig. 1. Fingerprint images acquired using the solid state Veridicom sensor (a,b) and the optical

  10. 2013 IREP Symposium-Bulk Power System Dynamics and Control -IX (IREP), August 25-30, 2013, Rethymnon, Greece A Comparative Assessment of Demand Response and Energy Storage Resource

    E-Print Network [OSTI]

    Gross, George

    , Rethymnon, Greece A Comparative Assessment of Demand Response and Energy Storage Resource Economic (ES) and demand response resources (DRRs) to address power system economic and environmental concerns the utilization of demand response (DR) and ES resources (ESRs) to reliably and effectively meet the supply

  11. Insights into spatial sensitivities of ice mass response to environmental change from the SeaRISE ice

    E-Print Network [OSTI]

    Levermann, Anders

    Pollard,15 Stephen F. Price,12 Diandong Ren,16 Eric Rignot,10,13 Fuyuki Saito,17 Tatsuru Sato,7 Hakime, The University of Texas at Austin, Austin, Texas, USA. 9 Department of Electrical, Computer and Energy, California, USA. 11 Physics Institute, Potsdam University, Potsdam, Germany. 12 Los Alamos National

  12. Effects of Pre-Existing Ice Crystals on Cirrus Clouds and Comparison between Different Ice Nucleation Parameterizations with the Community Atmosphere Model (CAM5)

    SciTech Connect (OSTI)

    Shi, Xiangjun; Liu, Xiaohong; Zhang, Kai

    2015-01-01

    In order to improve the treatment of ice nucleation in a more realistic manner in the Community Atmospheric Model version 5.3 (CAM5.3), the effects of preexisting ice crystals on ice nucleation in cirrus clouds are considered. In addition, by considering the in-cloud variability in ice saturation ratio, homogeneous nucleation takes place spatially only in a portion of cirrus cloud rather than in the whole area of cirrus cloud. With these improvements, the two unphysical limiters used in the representation of ice nucleation are removed. Compared to observations, the ice number concentrations and the probability distributions of ice number concentration are both improved with the updated treatment. The preexisting ice crystals significantly reduce ice number concentrations in cirrus clouds, especially at mid- to high latitudes in the upper troposphere (by a factor of ~10). Furthermore, the contribution of heterogeneous ice nucleation to cirrus ice crystal number increases considerably.Besides the default ice nucleation parameterization of Liu and Penner (2005, hereafter LP) in CAM5.3, two other ice nucleation parameterizations of Barahona and Nenes (2009, hereafter BN) and Kärcher et al. (2006, hereafter KL) are implemented in CAM5.3 for the comparison. In-cloud ice crystal number concentration, percentage contribution from heterogeneous ice nucleation to total ice crystal number, and preexisting ice effects simulated by the three ice nucleation parameterizations have similar patterns in the simulations with present-day aerosol emissions. However, the change (present-day minus pre-industrial times) in global annual mean column ice number concentration from the KL parameterization (3.24×106 m-2) is obviously less than that from the LP (8.46×106 m-2) and BN (5.62×106 m-2) parameterizations. As a result, experiment using the KL parameterization predicts a much smaller anthropogenic aerosol longwave indirect forcing (0.24 W m-2) than that using the LP (0.46 W m-2) and BN (0.39 W m-2) parameterizations.

  13. The Consortium The CORAS consortium consists

    E-Print Network [OSTI]

    Stølen, Ketil

    ), - Solinet (Germany) and - Telenor (Norway); seven research institutes: - CLRC/RAL (UK), - CTI (Greece), - FORTH (Greece), - IFE (Norway), - NST (Norway), - NR (Norway) and - SINTEF (Norway); as well as one

  14. Fast particle-driven ion cyclotron emission (ICE) in tokamak plasmas and the case for an ICE diagnostic in ITER

    E-Print Network [OSTI]

    McClements, K G; Dendy, R O; Carbajal, L; Chapman, S C; Cook, J W S; Harvey, R W; Heidbrink, W W; Pinches, S D

    2014-01-01

    Fast particle-driven waves in the ion cyclotron frequency range (ion cyclotron emission or ICE) have provided a valuable diagnostic of confined and escaping fast ions in many tokamaks. This is a passive, non-invasive diagnostic that would be compatible with the high radiation environment of deuterium-tritium plasmas in ITER, and could provide important information on fusion {\\alpha}-particles and beam ions in that device. In JET, ICE from confined fusion products scaled linearly with fusion reaction rate over six orders of magnitude and provided evidence that {\\alpha}-particle confinement was close to classical. In TFTR, ICE was observed from super-Alfv\\'enic {\\alpha}-particles in the plasma edge. The intensity of beam-driven ICE in DIII-D is more strongly correlated with drops in neutron rate during fishbone excitation than signals from more direct beam ion loss diagnostics. In ASDEX Upgrade ICE is produced by both super-Alfv\\'enic DD fusion products and sub-Alfv\\'enic deuterium beam ions.

  15. The sticking of atomic hydrogen on amorphous water ice

    SciTech Connect (OSTI)

    Veeraghattam, Vijay K.; Manrodt, Katie; Lewis, Steven P.; Stancil, P. C. E-mail: lewis@physast.uga.edu

    2014-07-20

    Using classical molecular dynamics, we have simulated the sticking and scattering process of a hydrogen atom on an amorphous ice film to predict the sticking probability of hydrogen on ice surfaces. A wide range of initial kinetic energies of the incident hydrogen atom (10 K-600 K) and two different ice temperatures (10 K and 70 K) were used to investigate this fundamental process in interstellar chemistry. We report here the sticking probability of atomic hydrogen as a function of incident kinetic energy, gas temperature, and substrate temperature, which can be used in astrophysical models. The current results are compared to previous theoretical and experimental studies that have reported a wide range in the sticking coefficient.

  16. A study of carbon-14 of paleoatmospheric methane for the last glacial termination from ancient glacial ice

    E-Print Network [OSTI]

    Petrenko, Vasilii Victorovich

    2008-01-01

    for the last glacial termination." xii VITA Education Ph.D.the Last Glacial Termination: a horizontal ice core.the Last Glacial Termination: a horizontal ice core.

  17. Spatial patterns of ice storm disturbance in the forested landscape of Ouachita Mountains, Arkansas and Oklahoma 

    E-Print Network [OSTI]

    Isaacs, Rachel E.

    2009-05-15

    Large-extent ice storms have received relatively little attention from researchers. This research investigates the effects of abiotic and biotic factors on the spatial patterns of ice storm disturbance on a forested landscape. This investigation...

  18. The Development of Measurement Techniques to Identify and Characterize Dusts and Ice Nuclei in the Atmosphere 

    E-Print Network [OSTI]

    Glen, Andrew

    2014-01-15

    Mineral dusts and ice crystals directly influence the Earth's radiative budget through radiative scattering and absorption. The interaction of spherical particles on the radiative budget are well known, however mineral dusts and ice crystals...

  19. Heterogeneous ice nucleation controlled by the coupling of surface crystallinity and surface hydrophilicity

    E-Print Network [OSTI]

    Bi, Yuanfei; Li, Tianshu

    2015-01-01

    The microscopic mechanisms controlling heterogeneous ice nucleation are complex and remain poorly understood. Although good ice nucleators are generally believed to match ice lattice and to bind water, counter examples are often identified. Here we show, by advanced molecular simulations, that the heterogeneous nucleation of ice on graphitic surface is controlled by the coupling of surface crystallinity and surface hydrophilicity. Molecular level analysis reveals that the crystalline graphitic lattice with an appropriate hydrophilicity may indeed template ice basal plane by forming a strained ice layer, thus significantly enhancing its ice nucleation efficiency. Remarkably, the templating effect is found to transit from within the first contact layer of water to the second as the hydrophilicity increases, yielding an oscillating distinction between the crystalline and amorphous graphitic surfaces in their ice nucleation efficiencies. Our study sheds new light on the long-standing question of what constitutes ...

  20. VoICE: A semi-automated pipeline for standardizing vocal analysis across models

    E-Print Network [OSTI]

    Burkett, ZD; Day, NF; Peñagarikano, O; Geschwind, DH; White, SA

    2015-01-01

    al. VoICE: A semi-automated pipeline for standardizing vocalVoICE: A semi-automated pipeline for standardizing vocalwe designed an analysis pipeline into which any type of

  1. Thesis proposal CSF Brazil 2014 Innovant de-icing system for more electric aircraft

    E-Print Network [OSTI]

    Bordenave, Charles

    . Mechanical de-icing systems are low energy solution that are focused on breaking down and shedding the ice-mechanical systems give a durable, light-weight, power-saver solution which justifies the recent efforts

  2. Ice nucleation and droplet formation by bare and coated soot particles

    E-Print Network [OSTI]

    Friedman, Beth

    We have studied ice formation at temperatures relevant to homogeneous and heterogeneous ice nucleation, as well as droplet activation and hygroscopicity, of soot particles of variable size and composition. Coatings of ...

  3. Glacial geology and glaciology of the Younger Dryas ice cap in Scotland 

    E-Print Network [OSTI]

    Golledge, Nicholas Robert

    2009-01-01

    This thesis uses geological field data and numerical ice sheet modelling to study the Younger Dryas ice cap in Scotland. The Younger Dryas stadial is important because it represents the most recent period of high-magnitude ...

  4. The Role of Oceans and Sea Ice in Abrupt Transitions between Multiple Climate States

    E-Print Network [OSTI]

    Rose, Brian E. J.

    The coupled climate dynamics underlying large, rapid, and potentially irreversible changes in ice cover are studied. A global atmosphere–ocean–sea ice general circulation model with idealized aquaplanet geometry is forced ...

  5. Fast proton hopping detection in ice I{sub h} by quasi-elastic...

    Office of Scientific and Technical Information (OSTI)

    Journal Article: Fast proton hopping detection in ice Isub h by quasi-elastic neutron scattering. Citation Details In-Document Search Title: Fast proton hopping detection in ice...

  6. Assessment of Future ICE and Fuel-Cell Powered Vehicles and Their...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Future ICE and Fuel-Cell Powered Vehicles and Their Potential Impacts Assessment of Future ICE and Fuel-Cell Powered Vehicles and Their Potential Impacts 2004 Diesel Engine...

  7. Mass balance of the Greenland ice sheet from 1958 to 2007

    E-Print Network [OSTI]

    Rignot, E; Rignot, E; Box, JE; Burgess, E; Hanna, E

    2008-01-01

    ice sheet surface mass balance varia- bility (1988 – 2004)5 L20502 RIGNOT ET AL. : MASS BALANCE GREENLAND 1958 – 20072005), Runoff and mass balance of the Greenland ice sheet:

  8. Analysis of Antarctic Sea Ice Thickness: A Newly Created Database for 2000-2009 

    E-Print Network [OSTI]

    Morgan, Benjamin Patrick

    2012-10-19

    Observations of Antarctic sea ice thickness are sporadic in space and time, hindering knowledge of its variability. A proxy based on stage of development data from the National Ice Center (NIC) weekly operational charts is used to create a high...

  9. Modeling the impact of atmospheric moisture transport on global ice volume

    E-Print Network [OSTI]

    Nisancioglu, Kerim Hestnes, 1975-

    2004-01-01

    Following Milankovitch's original hypothesis most model studies of changes in global ice volume on orbital time scales have focused on the impact of ablation on ice sheet mass balance. In most cases, poleward moisture flux ...

  10. Assessing the Predictability of the Beaufort Sea Minimum Ice Extent in a Changing Arctic Climate Regime 

    E-Print Network [OSTI]

    Quirk, Laura Marie

    2014-04-25

    Understanding the climatic drivers of changes in sea ice extent in the Arctic has become increasingly important as record minima in the September sea ice extent continue to be reached. This research therefore addresses the question of which synoptic...

  11. NOAA Data Report ERL GLERL-24 A COMPUTERIZED ICE CONCENTRATION DATA BASE FOR THE GREAT LAKES

    E-Print Network [OSTI]

    1 NOAA Data Report ERL GLERL-24 A COMPUTERIZED ICE CONCENTRATION DATA BASE FOR THE GREAT LAKES ......................................................................................................... 5 2. Computerized ice concentration data base .............................................................................................................................................. 5 2. BASIC DATAAND DATA REDUCTION

  12. Using Temporal Information in an Automated Classification of Summer, Marginal Ice Zone Imagery*

    E-Print Network [OSTI]

    Kansas, University of

    * Donna Haverkamp and Costas Tsatsoulis Department of Electrical Engineering and Computer Science- analyzed temperature records and regional statistics in order to achieve an automated ice's ice/water concentrations and melt state with temperature and wind data, a current interpretation

  13. A Computational Study of Icing Effects on the Performance of an S-Duct Inlet

    E-Print Network [OSTI]

    Jin, Wonjin

    2009-01-01

    The performance of a diffusing S-duct inlet (M2129) is computationally studied for the effects of inlet icing. Different ice accretion shapes, predicted by numerical analysis in the literature reviewed, are simulated on the inlet lip. Two commercial...

  14. Incorporation of particulates into accreted ice above subglacial Vostok lake, Antarctica

    E-Print Network [OSTI]

    Christner, Brent C.

    polycarbonate membranes, and secondary electron images were collected at Â500 magnification using a scanning conductivity suggest that the ice comprises lake water which has refrozen to the underside of the ice sheet

  15. Global ice cloud observations: radiative properties and statistics from moderate-resolution imaging spectroradiometer measurements 

    E-Print Network [OSTI]

    Meyer, Kerry Glynne

    2009-05-15

    Ice clouds occur quite frequently, yet so much about these clouds is unknown. In recent years, numerous investigations and field campaigns have been focused on the study of ice clouds, all with the ultimate goal of gaining a better understanding...

  16. 2,000-year record of atmospheric methyl bromide from a South Pole ice core

    E-Print Network [OSTI]

    Saltzman, Eric S; Aydin, Murat; Tatum, Cheryl; Williams, Margaret B

    2008-01-01

    air from firn at the South Pole, Nature, 383, 231 – 235. 5METHYL BROMIDE FROM SOUTH POLE ICE CORE Butler, J. H. , M.of methyl chloride from a South Pole ice core: Evidence for

  17. Stable levitation and dynamics of ice particles at low pressures

    E-Print Network [OSTI]

    Nicholas Kowalski; Bernard Xie; Colin V. Parker; Cheng Chin

    2015-04-13

    We demonstrate stable levitation and trapping of ice particles of 30~200 micon at low background gas pressures in the presence of a temperature gradient. The thermophoretic force levitates the particles, which have long lifetimes of over an hour. The equilibrium position depends on the background pressure and temperature gradient, which is consistent with theoretical expectations. Furthermore, we investigate interesting launching and merging dynamics of the levitated particles, as well as the development of instability at high background pressures. Our system provides a robust platform to investigate the aggregation of floating ice particles in air, and potentially chemical and biological processes in a microgravity environment.

  18. Ice plug employed on subsea pipeline bend during repair

    SciTech Connect (OSTI)

    1997-12-22

    The first controlled-temperature ice plug in the bend of an offshore gas trunkline has been carried out for Phillips Petroleum Co. Norway on its Norpipe A.S. platform in the German sector of the North Sea. The procedure was part of a subsea valve repair operation. The ice plug was successfully formed offshore and tested to a differential pressure of 1,450 psi. Repair of two valves required only 5 days during which time gas production was operating at close to 50--60% via the platform bypass, says the service company. The paper discusses the procedure.

  19. Fluid Flow and Thermodynamic Analysis of a Wing Anti-Icing System

    E-Print Network [OSTI]

    is controlled through regulating the hot flow passing a wing anti-icing valve by an automatic control system

  20. Ice formation on nitric acid coated dust particles: Laboratory and modeling studies

    SciTech Connect (OSTI)

    Kulkarni, Gourihar R.; Zhang, Kai; Zhao, Chun; Nandasiri, Manjula I.; Shutthanandan, V.; Liu, Xiaohong; Fast, Jerome D.; Berg, Larry K.

    2015-08-16

    Changes in the ice nucleation characteristics of atmospherically relevant mineral dust particles due to nitric acid coating are not well understood. Further, the atmospheric implications of dust coating on ice-cloud properties under different assumptions of primary ice nucleation mechanisms are unknown. We investigated ice nucleation ability of Arizona test dust, illite, K-feldspar and quartz as a function of temperature (-25 to -30°C) and relative humidity with respect to water (75 to 110%). Particles were size selected at 250 nm and transported (bare or coated) to the ice nucleation chamber to determine the fraction of particles nucleating ice at various temperature and water saturation conditions. All dust nucleated ice at water-subsaturated conditions, but the coated particles showed a reduction in their ice nucleation ability compared to bare particles. However, at water-supersaturated conditions, we observed that bare and coated particles had nearly similar ice nucleation characteristics. X-ray diffraction patterns indicated that structural properties of bare dust particles modified after acid treatment. We found that lattice parameters were slightly different, but crystallite sizes of the coated particles were reduced compared to bare particles. Next, single-column model results show that simulated ice crystal number concentrations mostly depends upon fraction of particles that are coated, primary ice nucleation mechanisms, and the competition between ice nucleation mechanisms to nucleate ice. In general, we observed that coating modify the ice-cloud properties and the picture of ice and mixed-phase cloud evolution is complex when different primary ice nucleation mechanisms are competing for fixed water vapor mass.

  1. Ice at the Interface: Atmosphere-Ice-Ocean Boundary Layer Processes and Their Role in Polar Change---Workshop Report

    SciTech Connect (OSTI)

    Hunke, Elizabeth C. [Los Alamos National Laboratory

    2012-07-23

    The atmosphere-ocean boundary layer in which sea ice resides includes many complex processes that require a more realistic treatment in GCMs, particularly as models move toward full earth system descriptions. The primary purpose of the workshop was to define and discuss such coupled processes from observational and modeling points of view, including insight from both the Arctic and Antarctic systems. The workshop met each of its overarching goals, including fostering collaboration among experimentalists, theorists and modelers, proposing modeling strategies, and ascertaining data availability and needs. Several scientific themes emerged from the workshop, such as the importance of episodic or extreme events, precipitation, stratification above and below the ice, and the marginal ice zone, whose seasonal Arctic migrations now traverse more territory than in the past.

  2. THE EXTENT OF PLEISTOCENE ICE CAP, GLACIAL DEPOSITS AND GLACIOKARST IN THE ALADAGLAR

    E-Print Network [OSTI]

    Zreda, Marek

    holes, ice caves, glacial melt-water streams, stone circles and girlands represent glacialTHE EXTENT OF PLEISTOCENE ICE CAP, GLACIAL DEPOSITS AND GLACIOKARST IN THE ALADAGLAR MASSIF between 1100 m and 3756 m of altitudes. Many of the glacial landforms, such as moraines and ice

  3. TRMM observations of the global relationship between ice water content and lightning

    E-Print Network [OSTI]

    Rutledge, Steven

    TRMM observations of the global relationship between ice water content and lightning Walter A to retrieve ice water content. Citation: Petersen, W. A., H. J. Christian, and S. A. Rutledge (2005), TRMM observations of the global relationship between ice water content and lightning, Geophys. Res. Lett., 32, L

  4. Nonlinear Thermal Transport and Brine Convection in First Year Sea Ice

    E-Print Network [OSTI]

    temperature gradients and at greater depths in the ice. Preliminary modelling of the impact of brine migration of thermistors frozen into first­year Antarctic sea ice provides temperature against depth data, which is fitted on heat transport through first­year sea ice is presented. Diffusion­driven brine pocket migration

  5. Sensitivity of Cenozoic Antarctic ice sheet variations to geothermal heat flux

    E-Print Network [OSTI]

    Sensitivity of Cenozoic Antarctic ice sheet variations to geothermal heat flux David Pollard a sheet to geothermal heat flux is investigated, using a coupled climate­ice sheet model with various prescribed values and patterns of geothermal heat flux. The sudden growth of major ice across the Eocene

  6. A Computational Study of the Spreading of Oil Underneath a Sheet of Ice Mark Sussman

    E-Print Network [OSTI]

    Sussman, Mark

    A Computational Study of the Spreading of Oil Underneath a Sheet of Ice Mark Sussman Department) The spreading of oil underneath a sheet of ice is computed using an adaptive level set method for incompressible of a body of oil under ice in water. The computational models are used to make further observations

  7. A Computational Study of the Spreading of Oil Underneath a Sheet of Ice

    E-Print Network [OSTI]

    Ferguson, Thomas S.

    A Computational Study of the Spreading of Oil Underneath a Sheet of Ice Mark Sussman Department) Abstract The spreading of oil underneath a sheet of ice is computed using an adaptive level set method the final steady profile of a body of oil under ice in water. The computational models are used to make

  8. Cloud Detection over Snow and Ice Using MISR Data , Eugene E. Clothiaux

    E-Print Network [OSTI]

    Yu, Bin

    Cloud Detection over Snow and Ice Using MISR Data Tao Shi , Bin Yu , Eugene E. Clothiaux detection is particularly difficult in the snow- and ice-covered po- lar regions and availability WORDS: Cloud detection; Feature selection; Ice and snow; Multi-angle Imaging Spectro- Radiometer (MISR

  9. THEORETICAL MODELING OF LIDAR RETURN PHENOMENOLOGY FROM SNOW AND ICE SURFACES

    E-Print Network [OSTI]

    Kerekes, John

    THEORETICAL MODELING OF LIDAR RETURN PHENOMENOLOGY FROM SNOW AND ICE SURFACES J. Kerekes, J. Zhang the science of lidar sensing of complex ice and snow surfaces as well as in support of the upcoming ICESat- 2 from snow and ice surfaces. First, the anticipated lidar return characteristics for a sloped non

  10. Wind speed influence on phytoplankton bloom dynamics in the Southern Ocean Marginal Ice Zone

    E-Print Network [OSTI]

    Moore, Keith

    Wind speed influence on phytoplankton bloom dynamics in the Southern Ocean Marginal Ice Zone Dillon; published 7 August 2007. [1] Analysis of satellite ocean color and wind speed data within the seasonal ice. Moore (2007), Wind speed influence on phytoplankton bloom dynamics in the Southern Ocean Marginal Ice

  11. Elastic uplift in southeast Greenland due to rapid ice mass loss

    E-Print Network [OSTI]

    Khan, Shfaqat A.; Wahr, John; Stearns, Leigh; Hamilton, Gordon; van Dam, Tonie; Larson, Kristine M.; Francis, Olivier

    2007-11-01

    [1] The rapid unloading of ice from the southeastern sector of the Greenland ice sheet between 2001 and 2006 caused an elastic uplift of ?35 mm at a GPS site in Kulusuk. Most of the uplift results from ice dynamic-induced volume losses on two nearby...

  12. Dynamics of stickslip motion, Whillans Ice Stream, Antarctica J. Paul Winberry a,

    E-Print Network [OSTI]

    an additional asperity in the northern part of the ice stream, producing another pulse of seismic energy 6Dynamics of stick­slip motion, Whillans Ice Stream, Antarctica J. Paul Winberry a, , Sridhar 6 April 2011 Editor: P. Shearer Keywords: glacial geophysics ice stream seismology The stick

  13. Ice iron/sodium film as cause for high noctilucent cloud radar reflectivity

    E-Print Network [OSTI]

    Bellan, Paul M.

    Ice iron/sodium film as cause for high noctilucent cloud radar reflectivity P. M. Bellan1 Received by assuming the ice grains are coated by a thin metal film; substantial evidence exists indicating that such a film exists and is caused by the deposition of iron and sodium atoms on the ice grain from iron

  14. Interannual Variability in Pollen Dispersal and Deposition on the Tropical Quelccaya Ice Cap*

    E-Print Network [OSTI]

    Liu, Kam-biu

    should also be considered Key Words: biogeography, ice-core palynology, Peru, pollen dispersal, Quelccaya is represented in the modern pollen rain on the ice caps. A modern analog is our most powerful calibration tool from the Quelccaya Ice Cap (Reese and Liu 2002) in southern Peru and Mt. Parinacota (Reese, Liu

  15. A model of the threedimensional evolution of Arctic melt ponds on firstyear and multiyear sea ice

    E-Print Network [OSTI]

    Feltham, Daniel

    A model of the threedimensional evolution of Arctic melt ponds on firstyear and multiyear sea ice F in Arctic melt ponds on the surface of sea ice. An accurate estimate of the fraction of the sea ice surface covered in melt ponds is essential for a realistic estimate of the albedo for global climate models. We

  16. Ethanol adsorbed on ice: A first-principles study C. Thierfelder*

    E-Print Network [OSTI]

    Schmidt, Wolf Gero

    Ethanol adsorbed on ice: A first-principles study C. Thierfelder* Centre of Theoretical Chemistry of ethanol molecules on the ice Ih basal plane. Apart from smooth surfaces, also substrate models simulation for ethanol adsorbed on ice using the TIP4P potential16 for the water-water interaction. Recent

  17. Mass balance of the Greenland ice sheet from 1958 to 2007 E. Rignot,1,2

    E-Print Network [OSTI]

    Box, Jason E.

    Mass balance of the Greenland ice sheet from 1958 to 2007 E. Rignot,1,2 J. E. Box,3 E. Burgess,4 October 2008. [1] We combine estimates of the surface mass balance, SMB, of the Greenland ice sheet the total ice sheet mass balance. During that time period, we find a robust correlation (R2 = 0.83) between

  18. Impact of sudden Arctic sea-ice loss on stratospheric polar ozone recovery

    E-Print Network [OSTI]

    Wirosoetisno, Djoko

    Impact of sudden Arctic sea-ice loss on stratospheric polar ozone recovery Article Published.G. and Ravishankara, A.R. (2009) Impact of sudden Arctic sea-ice loss on stratospheric polar ozone recovery's research outputs online #12;Impact of sudden Arctic sea-ice loss on stratospheric polar ozone recovery J. F

  19. Polar Sea Ice Mapping Using SeaWinds Data Hyrum S. Anderson and David G. Long

    E-Print Network [OSTI]

    Long, David G.

    of Bayes detection to produce sea ice extent maps. Statistical models for sea ice and ocean are represented of their independence of solar illumination, their ability to penetrate to ever-present canopy of clouds in the polar of these same measure- ments. The A imagery exhibits good statistical contrast between sea ice and ocean

  20. Abrupt climate changes for Iceland during the last millennium: evidence from high resolution sea ice reconstructions

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Abrupt climate changes for Iceland during the last millennium: evidence from high resolution sea, Norway Abstract A high resolution account of Icelandic sea ice over the last millennium has been ice and/or climate conditions around Iceland during the Little Ice Age. Author for correspondence

  1. Experimental Investigation of Direct Expansion Dynamic Ice-on-coil Storage System Used in Residential Buildings 

    E-Print Network [OSTI]

    Zheng, M.; Kong, F.; Han, Z.; Liu, W.

    2006-01-01

    expansion dynamic ice-on-coil storage system that overcame the disadvantages of static and dynamic ice-storage system. It is concluded that periodic ice moving avoids the increased heat resistance that creates a decreased evaporating temperature. Due to a...

  2. 9 The Dynamics of Snow and Ice Masses J.S. Wettlaufer

    E-Print Network [OSTI]

    Wettlaufer, John S.

    of Physics, University of Washington, Seattle, WA 98105-5640, USA 9.1 Ice: Land, Sea and Air On Earth today the storage of relatively slow inland (upstream) ice [2]. These contemporary observations give strength transport through the connected network of air pockets that separate individual ice grains. Eventually

  3. NOAA Technical Memorandum ERL GLERL-18 PHOTOSYNTHETICALLY ACTIVE RADIATION TRANSMITTANCE THROUGH ICE

    E-Print Network [OSTI]

    to obtain the ratios shown in Figure 9. 9. Ratio of under-ice to above-ice radiation (T) versus true solar. 12. Ratio of below- to above-ice radiation (T) as a function of true solar time (TST) during a period of melting snow for 7 March 1977. 13. Radiation transmittance (T) as a function of true solar time (TST

  4. Nanotechnology and Innovation, Recent status and the strategic implication for the formation of high tech clusters in Greece, in between a global economic crisis

    E-Print Network [OSTI]

    Gkanas, Evangelos I; Makridis, Sofoklis S; Stubos, Athanasios K; Bakouros, Ioannis

    2013-01-01

    Nanotechnology is the first major worldwide research initiative of the 21st century and probably is the solution vector in the economic environment. Also, innovation is widely recognized as a key factor in the economic development of nations, and is essential for the competitiveness of the industrial firms as well. Policy and management of innovation are necessary in order to develop innovation and it involves processes. It is essential to develop new methods for nanotechnology development for better understanding of nanotechnology based innovation. Nanotechnologies reveal commercialization processes, from start ups to large firms in collaboration with public sector research. In the current paper, a study in the present status of innovation in nanotechnology and the affection of global economic crisis in this section is made and also the potential of increase the innovation via the presence of clusters in a small country like Greece which is in the eye of tornado from the global crisis is studied.

  5. Acceleration of Greenland ice mass loss in spring 2004

    E-Print Network [OSTI]

    Chen, Zhongping

    of increased melting at the ice sheet surface and increased glacial discharge at the coasts. All these trends, suggest that both accumulation and melting have increased during the past decade, with melting increasing thinning in the 1990s at low elevations8 where increased melting is probably more important than increased

  6. Purchasing Energy-Efficient Air-Cooled Ice Machines

    Office of Energy Efficiency and Renewable Energy (EERE)

    The Federal Energy Management Program (FEMP) provides acquisition guidance for air-cooled ice machines, a product category covered by ENERGY STAR efficiency requirements. Federal laws and requirements mandate that agencies purchase ENERGY STAR-qualified products or FEMP-designated products in all product categories covered by these programs and in any acquisition actions that are not specifically exempted by law.

  7. IceCube Project Monthly Report -April 2010 Accomplishments

    E-Print Network [OSTI]

    Saffman, Mark

    Water Drill equipment (http://www.icecube.wisc.edu/disposition/index.php) and the site was circulated to solicit interest in the equipment following the end of IceCube construction. · The training at shorter distances. #12; 2 Cost and Schedule Performance ­ The project is 94.7% complete

  8. Development and Applications of the Community Ice Sheet Model

    SciTech Connect (OSTI)

    Hoffman, Matthew J.; Lipscomb, William H.; Price, Stephen F.; Johnson, Jesse; Sacks, William

    2012-07-23

    The initial goals of the project are: (1) create a model for land ice that includes relevant and necessary dynamics, physical processes, and couplings; and (2) apply that model to say something more substantial about SLR in Lme for IPCC AR5 (AR6?).

  9. Ultrafast Electron Dynamics at Alkali/Ice Structures

    E-Print Network [OSTI]

    Wolf, Martin

    trapping sites, i.e. at local potential minima, are formed. Photoinjection of excess electrons into these alkali-ion covered amorphous ice layers, results in the trapping of a solvated electron at an alkali, i.e. pump-probe time delay, the electron transfer is mediated by tunneling through a potential

  10. Visible and near infrared reflectances measured from laboratory ice clouds

    E-Print Network [OSTI]

    Liou, K. N.

    ,aswellasuncertaintiesin data, validation by means of the independent in situ airborne and ground-based measurements that are co. Liou Department of Atmospheric and Oceanic Sciences, University of California, Los Angeles, Los Angeles the measured ice particle morphology. We demonstrate that laboratory scat- tering and reflectance data for thin

  11. FLOOD-PLAIN DELINEATION IN ICE JAM PRONE REGIONS

    E-Print Network [OSTI]

    Vogel, Richard M.

    methodology is introduced for incorporating the risk of icejams into flood-plain delineations in northern in the computation of annual maximum flood elevation distributions and flood risk in icejam prone regionsFLOOD-PLAIN DELINEATION IN ICE JAM PRONE REGIONS By Richard M. Vogel,1 S. M. ASCE and Jery R

  12. Water and Ice Dielectric Spectra Scaling at 0 °C

    E-Print Network [OSTI]

    V. G. Artemov; A. A. Volkov

    2013-08-06

    Dielectric spectra (10^4-10^11 Hz) of water and ice at 0 {\\deg}C are considered in terms of proton conductivity and compared to each other. In this picture, the Debye relaxations, centered at 1/{\\tau}_W ~ 20 GHz (in water) and 1/{\\tau}_I ~ 5 kHz (in ice), are seen as manifestations of diffusion of separated charges in the form of H3O+ and OH- ions. The charge separation results from the self-dissociation of H2O molecules, and is accompanied by recombination in order to maintain the equilibrium concentration, N. The charge recombination is a diffusion-controlled process with characteristic lifetimes of {\\tau}_W and {\\tau}_I, for water and ice respectively. The static permittivity, {\\epsilon}(0), is solely determined by N. Both, N and {\\epsilon}(0), are roughly constant at the water-ice phase transition, and both increase, due to a slowing down of the diffusion rate, as the temperature is lowered. The transformation of the broadband dielectric spectra at 0 {\\deg}C with the drastic change from {\\tau}_W to {\\tau}_I is mainly due to an abrupt (by 0.4 eV) change of the activation energy of the charge diffusion.

  13. Tuesday, March 24, 2009 MARS: GROUND ICE AND CLIMATE CHANGE

    E-Print Network [OSTI]

    Rathbun, Julie A.

    Tuesday, March 24, 2009 MARS: GROUND ICE AND CLIMATE CHANGE 1:30 p.m. Waterway Ballroom 1 Chairs.-B. Fastook J. L. Deciphering the Late Amazonian Climate History of Mars: Assessing Obliquity Predictions climate history of Mars; extended periods of consistently high or low obliquity are unlikely during

  14. Ice method for production of hydrogen clathrate hydrates

    DOE Patents [OSTI]

    Lokshin, Konstantin (Santa Fe, NM); Zhao, Yusheng (Los Alamos, NM)

    2008-05-13

    The present invention includes a method for hydrogen clathrate hydrate synthesis. First, ice and hydrogen gas are supplied to a containment volume at a first temperature and a first pressure. Next, the containment volume is pressurized with hydrogen gas to a second higher pressure, where hydrogen clathrate hydrates are formed in the process.

  15. The Method of Generated Solutions for Numerical Verification of ICE

    E-Print Network [OSTI]

    for verifying numerical code. The exact solution to the set of equations is derived using mathematical methodsThe Method of Generated Solutions for Numerical Verification of ICE Code Amjidanutpan Ramanujam, Christopher Sikorski, Todd Harman* UUCS­07­006 School of Computing University of Utah Salt Lake City, UT 84112

  16. The Method of Generated Solutions for Numerical Verification of ICE

    E-Print Network [OSTI]

    for verifying numerical code. The exact solution to the set of equations is derived using mathematical methodsThe Method of Generated Solutions for Numerical Verification of ICE Code Amjidanutpan Ramanujam, Christopher Sikorski, Todd Harman* UUCS-07-006 School of Computing University of Utah Salt Lake City, UT 84112

  17. http://www.ices.cmu.edu/ballista Prof. Philip Koopman

    E-Print Network [OSTI]

    Koopman, Philip

    http://www.ices.cmu.edu/ballista Prof. Philip Koopman koopman@cmu.edu - (412) 268-5225 - http robustness #12;3 Overview: Automated Robustness Testing u System Robustness · Motivation · Ballista automatic · Technology Transfer · Application to Non OS APIs u Conclusions A Ballista is an ancient siege weapon

  18. Calibration and Characterization of the IceCube Photomultiplier Tube

    SciTech Connect (OSTI)

    IceCube Collaboration; Abbasi, R.; al., et

    2010-02-11

    Over 5,000 PMTs are being deployed at the South Pole to compose the IceCube neutrino observatory. Many are placed deep in the ice to detect Cherenkov light emitted by the products of high-energy neutrino interactions, and others are frozen into tanks on the surface to detect particles from atmospheric cosmic ray showers. IceCube is using the 10-inch diameter R7081-02 made by Hamamatsu Photonics. This paper describes the laboratory characterization and calibration of these PMTs before deployment. PMTs were illuminated with pulses ranging from single photons to saturation level. Parameterizations are given for the single photoelectron charge spectrum and the saturation behavior. Time resolution, late pulses and afterpulses are characterized. Because the PMTs are relatively large, the cathode sensitivity uniformity was measured. The absolute photon detection efficiency was calibrated using Rayleigh-scattered photons from a nitrogen laser. Measured characteristics are discussed in the context of their relevance to IceCube event reconstruction and simulation efforts.

  19. Optical constants of carbon dioxide ice Stephen G. Warren

    E-Print Network [OSTI]

    Warren, Stephen

    Optical constants of carbon dioxide ice Stephen G. Warren Laboratory measurements of the absorption. At pressures belowthe triple point (5.2atm), carbon dioxide exists only as a gas or solid. The sublimation in the ultraviolet (50-130-nm wavelength) due to elec- tronic transitions. It is relatively transparent

  20. Investigating ice nucleation in cirrus clouds with an aerosol-enabled Multiscale Modeling Framework

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Zhang, Chengzhu; Wang, Minghuai; Morrison, H.; Somerville, Richard C.; Zhang, Kai; Liu, Xiaohong; Li, J-L F.

    2014-11-06

    In this study, an aerosol-dependent ice nucleation scheme [Liu and Penner, 2005] has been implemented in an aerosol-enabled multi-scale modeling framework (PNNL MMF) to study ice formation in upper troposphere cirrus clouds through both homogeneous and heterogeneous nucleation. The MMF model represents cloud scale processes by embedding a cloud-resolving model (CRM) within each vertical column of a GCM grid. By explicitly linking ice nucleation to aerosol number concentration, CRM-scale temperature, relative humidity and vertical velocity, the new MMF model simulates the persistent high ice supersaturation and low ice number concentration (10 to 100/L) at cirrus temperatures. The low ice numbermore »is attributed to the dominance of heterogeneous nucleation in ice formation. The new model simulates the observed shift of the ice supersaturation PDF towards higher values at low temperatures following homogeneous nucleation threshold. The MMF models predict a higher frequency of midlatitude supersaturation in the Southern hemisphere and winter hemisphere, which is consistent with previous satellite and in-situ observations. It is shown that compared to a conventional GCM, the MMF is a more powerful model to emulate parameters that evolve over short time scales such as supersaturation. Sensitivity tests suggest that the simulated global distribution of ice clouds is sensitive to the ice nucleation schemes and the distribution of sulfate and dust aerosols. Simulations are also performed to test empirical parameters related to auto-conversion of ice crystals to snow. Results show that with a value of 250 ?m for the critical diameter, Dcs, that distinguishes ice crystals from snow, the model can produce good agreement to the satellite retrieved products in terms of cloud ice water path and ice water content, while the total ice water is not sensitive to the specification of Dcs value.« less

  1. Investigating ice nucleation in cirrus clouds with an aerosol-enabled Multiscale Modeling Framework

    SciTech Connect (OSTI)

    Zhang, Chengzhu; Wang, Minghuai; Morrison, H.; Somerville, Richard C.; Zhang, Kai; Liu, Xiaohong; Li, J-L F.

    2014-12-01

    In this study, an aerosol-dependent ice nucleation scheme [Liu and Penner, 2005] has been implemented in an aerosol-enabled multi-scale modeling framework (PNNL MMF) to study ice formation in upper troposphere cirrus clouds through both homogeneous and heterogeneous nucleation. The MMF model represents cloud scale processes by embedding a cloud-resolving model (CRM) within each vertical column of a GCM grid. By explicitly linking ice nucleation to aerosol number concentration, CRM-scale temperature, relative humidity and vertical velocity, the new MMF model simulates the persistent high ice supersaturation and low ice number concentration (10 to 100/L) at cirrus temperatures. The low ice number is attributed to the dominance of heterogeneous nucleation in ice formation. The new model simulates the observed shift of the ice supersaturation PDF towards higher values at low temperatures following homogeneous nucleation threshold. The MMF models predict a higher frequency of midlatitude supersaturation in the Southern hemisphere and winter hemisphere, which is consistent with previous satellite and in-situ observations. It is shown that compared to a conventional GCM, the MMF is a more powerful model to emulate parameters that evolve over short time scales such as supersaturation. Sensitivity tests suggest that the simulated global distribution of ice clouds is sensitive to the ice nucleation schemes and the distribution of sulfate and dust aerosols. Simulations are also performed to test empirical parameters related to auto-conversion of ice crystals to snow. Results show that with a value of 250 ?m for the critical diameter, Dcs, that distinguishes ice crystals from snow, the model can produce good agreement to the satellite retrieved products in terms of cloud ice water path and ice water content, while the total ice water is not sensitive to the specification of Dcs value.

  2. Dimensions and aspect ratios of natural ice crystals

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Um, J.; McFarquhar, G. M.; Hong, Y. P.; Lee, S. -S.; Jung, C. H.; Lawson, R. P.; Mo, Q.

    2014-12-10

    During the 2006 Tropical Warm Pool International Cloud Experiment (TWP-ICE) in the Tropics, the 2008 Indirect and Semi-Direct Aerosol Campaign (ISDAC) in the Arctic, and the 2010 Small PARTicles In CirrUS (SPARTICUS) campaign in mid-latitudes, high-resolution images of ice crystals were recorded by a Cloud Particle Imager at temperatures (T) between -87 and 0 °C. The projected maximum dimension (D'), length (L'), and width (W') of pristine columns, plates, and component bullets of bullet rosettes were measured using newly developed software, the Ice Crystal Ruler. The number of bullets in each bullet rosette was also measured. Column crystals were furthermore »distinguished as either horizontally oriented columns or columns with other orientations to eliminate any orientation effect on the measured dimensions. Dimensions and aspect ratios (AR, dimension of major axis divided by dimension of minor axis) of crystals were determined as functions of temperature, geophysical location, and type of cirrus. Dimensions of crystals generally increased as temperature increased. Columns and bullets had larger dimensions (i.e., W') of the minor axis (i.e., a axis) for a given dimension (i.e., D' or L') of the major axis (i.e., c axis), and thus smaller AR, as T increased, whereas this trend did not occur for plate crystals. The average number of branches in bullet rosettes was 5.50±1.35 during three campaigns and 6.32±1.34 (5.46±1.34; 4.95±1.01) during TWP-ICE (SPARTICUS; ISDAC). The AR of bullets increased with the number of branches in bullet rosettes. Most dimensions of crystals and ARs of columnar crystals measured during SPARTICUS were larger than those measured during TWP-ICE and ISDAC at ?67 T T L–W relationships of columns derived using current data exhibited a strong dependence on temperature; similar relationship determined in previous studies were within the range of the current data.« less

  3. ELECTRON IRRADIATION OF CARBON DISULFIDE-OXYGEN ICES: TOWARD THE FORMATION OF SULFUR-BEARING MOLECULES IN INTERSTELLAR ICES

    SciTech Connect (OSTI)

    Maity, Surajit; Kaiser, Ralf I. [Department of Chemistry, University of Hawai'i at Manoa, Honolulu, HI 96822 (United States)

    2013-08-20

    The formation of sulfur-bearing molecules in interstellar ices was investigated during the irradiation of carbon disulfide (CS{sub 2})-oxygen (O{sub 2}) ices with energetic electrons at 12 K. The irradiation-induced chemical processing of these ices was monitored online and in situ via Fourier transform infrared spectroscopy to probe the newly formed products quantitatively. The sulfur-bearing molecules produced during the irradiation were sulfur dioxide (SO{sub 2}), sulfur trioxide (SO{sub 3}), and carbonyl sulfide (OCS). Formations of carbon dioxide (CO{sub 2}), carbon monoxide (CO), and ozone (O{sub 3}) were observed as well. To fit the temporal evolution of the newly formed products and to elucidate the underlying reaction pathways, kinetic reaction schemes were developed and numerical sets of rate constants were derived. Our studies suggest that carbon disulfide (CS{sub 2}) can be easily transformed to carbonyl sulfide (OCS) via reactions with suprathermal atomic oxygen (O), which can be released from oxygen-containing precursors such as water (H{sub 2}O), carbon dioxide (CO{sub 2}), and/or methanol (CH{sub 3}OH) upon interaction with ionizing radiation. This investigation corroborates that carbonyl sulfide (OCS) and sulfur dioxide (SO{sub 2}) are the dominant sulfur-bearing molecules in interstellar ices.

  4. Space geodesy constrains ice age terminal deglaciation: The global ICE-6G_C (VM5a) model

    E-Print Network [OSTI]

    Peltier, W. Richard

    . Peltier1 , D. F. Argus2 , and R. Drummond1 1 Department of Physics, University of Toronto, Toronto] or a combination of such influences [Vettoretti and Peltier, 2003]. Simple ice sheet coupled climate models have been successful in explaining the origins of this 100 kyr cyclic behavior [Tarasov and Peltier, 1997

  5. JET Papers Presented to the 2nd Workshop on Electrical Probes in Magnetised Plasmas (Berlin, Germany, 4th-6th October 1995)

    E-Print Network [OSTI]

    JET Papers Presented to the 2nd Workshop on Electrical Probes in Magnetised Plasmas (Berlin, Germany, 4th-6th October 1995)

  6. Incorporation of a physically based melt pond scheme into the sea ice component of a climate model

    E-Print Network [OSTI]

    Feltham, Daniel

    Incorporation of a physically based melt pond scheme into the sea ice component of a climate model and evolution of melt ponds. Melt ponds accumulate on the surface of sea ice from snow and sea ice melt, melt ponds cover up to 50% of the sea ice surface. We have developed a melt pond evolution theory. Here

  7. Brine migration test report: Asse Salt Mine, Federal Republic of Germany: Technical report

    SciTech Connect (OSTI)

    Coyle, A.J.; Eckert, J.; Kalia, H.

    1987-01-01

    This report presents a summary of Brine Migration Tests which were undertaken at the Asse mine of the Federal Republic of Germany (FRG) under a bilateral US/FRG agreement. This experiment simulates a nuclear waste repository at the 800-m (2624-ft) level of the Asse salt mine in the Federal Republic of Germany. This report describes the Asse salt mine, the test equipment, and the pretest properties of the salt in the mine and in the vicinity of the test area. Also included are selected test data (for the first 28 months of operation) on the following: brine migration rates, thermomechaical behavior of the salt (including room closure, stress reading, and thermal profiles), borehole gas pressures, and borehole gas analyses. In addition to field data, laboratory analyses of pretest salt properties are included in this report. The operational phase of these experiments was completed on October 4, 1985, with the commencement of cooldown and the start of posttest activities. 7 refs., 68 figs., 48 tabs.

  8. Detection of $^{133}$Xe from the Fukushima nuclear power plant in the upper troposphere above Germany

    E-Print Network [OSTI]

    Hardy Simgen; Frank Arnold; Heinfried Aufmhoff; Robert Baumann; Florian Kaether; Sebastian Lindemann; Ludwig Rauch; Hans Schlager; Clemens Schlosser; Ulrich Schumann

    2014-12-05

    After the accident in the Japanese Fukushima Dai-ichi nuclear power plant in March 2011 large amounts of radioactivity were released and distributed in the atmosphere. Among them were also radioactive noble gas isotopes which can be used as tracers to test global atmospheric circulation models. This work presents unique measurements of the radionuclide $^{133}$Xe from Fukushima in the upper troposphere above Germany. The measurements involve air sampling in a research jet aircraft followed by chromatographic xenon extraction and ultra-low background gas counting with miniaturized proportional counters. With this technique a detection limit of the order of 100 $^{133}$Xe atoms in litre-scale air samples (corresponding to about 100 mBq/m$^3$) is achievable. Our results provide proof that the $^{133}$Xe-rich ground level air layer from Fukushima was lifted up to the tropopause and distributed hemispherically. Moreover, comparisons with ground level air measurements indicate that the arrival of the radioactive plume at high altitude over Germany occurred several days before the ground level plume.

  9. Molecular interactions with ice: Molecular embedding, adsorption, detection, and release

    SciTech Connect (OSTI)

    Gibson, K. D.; Langlois, Grant G.; Li, Wenxin; Sibener, S. J.; Killelea, Daniel R.

    2014-11-14

    The interaction of atomic and molecular species with water and ice is of fundamental importance for chemistry. In a previous series of publications, we demonstrated that translational energy activates the embedding of Xe and Kr atoms in the near surface region of ice surfaces. In this paper, we show that inert molecular species may be absorbed in a similar fashion. We also revisit Xe embedding, and further probe the nature of the absorption into the selvedge. CF{sub 4} molecules with high translational energies (?3 eV) were observed to embed in amorphous solid water. Just as with Xe, the initial adsorption rate is strongly activated by translational energy, but the CF{sub 4} embedding probability is much less than for Xe. In addition, a larger molecule, SF{sub 6}, did not embed at the same translational energies that both CF{sub 4} and Xe embedded. The embedding rate for a given energy thus goes in the order Xe > CF{sub 4} > SF{sub 6}. We do not have as much data for Kr, but it appears to have a rate that is between that of Xe and CF{sub 4}. Tentatively, this order suggests that for Xe and CF{sub 4}, which have similar van der Waals radii, the momentum is the key factor in determining whether the incident atom or molecule can penetrate deeply enough below the surface to embed. The more massive SF{sub 6} molecule also has a larger van der Waals radius, which appears to prevent it from stably embedding in the selvedge. We also determined that the maximum depth of embedding is less than the equivalent of four layers of hexagonal ice, while some of the atoms just below the ice surface can escape before ice desorption begins. These results show that energetic ballistic embedding in ice is a general phenomenon, and represents a significant new channel by which incident species can be trapped under conditions where they would otherwise not be bound stably as surface adsorbates. These findings have implications for many fields including environmental science, trace gas collection and release, and the chemical composition of astrophysical icy bodies in space.

  10. Awardee AwardeeHeadquarters RecoveryFunding TotalValue Denmark

    Open Energy Info (EERE)

    Cyprus Czech Republic Finland Germany Greece Hungary Italy Latvia Poland SVEZIA Spain Turkey United Kingdom Dublin Ireland Ireland Denmark Belgium Austria Czech Republic Denmark...

  11. Fermilab | Newsroom | Press Releases | April 22, 2015: ICARUS...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    are Austria, Belgium, Bulgaria, the Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Israel, Italy, the Netherlands, Norway, Poland, Portugal, Slovakia, Spain,...

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    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    group contains three active sites (C, N, O) for reactivity. Researchers from Patras (Greece), Nicosia (Cyprus), Karlsruhe (Germany), Zaragoza (Spain), and the ALS at Berkeley Lab...

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    Bolivia, Brazil, Chile, the Peoples Republic of China, France, Georgia, Germany, Greece, Japan, Mexico, Russia, Slovenia, Spain, the United Kingdom, the United States, and...

  14. Fact #751: October 29, 2012 Plug-in Car Sales Higher in the U...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    of the following 16 countries: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Ireland, Italy, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, and the...

  15. Press Pass - Press Release - The CMS Tracking Detector's Midnight...

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    are Austria, Belgium, Bulgaria, the Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Italy, Netherlands, Norway, Poland, Portugal, Slovakia, Spain, Sweden,...

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    States are Austria, Belgium, Bulgaria, the Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Italy, Netherlands, Norway, Poland, Portugal, Slovakia, Spain,...

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    States are Austria, Belgium, Bulgaria, the Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Italy, Netherlands, Norway, Poland, Portugal, Slovakia, Spain,...

  18. Fermilab | Newsroom | Press Releases | July 19, 2013: Discovery...

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    States are Austria, Belgium, Bulgaria, the Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Italy, the Netherlands, Norway, Poland, Portugal, Slovakia,...

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  20. Press Pass - Press Releases - March 30, 2010 - Physics Begins...

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