National Library of Energy BETA

Sample records for additional public meeting

  1. Additional public meeting on plutonium disposition on September 18

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Additional Public Meeting on Plutonium Disposition Community Connections: Your link to news and opportunities from Los Alamos National Laboratory Latest Issue:November 2, 2016 all issues All Issues » submit Additional public meeting on plutonium disposition on September 18 DOE has extended the public review and comment period for the Draft Surplus Plutonium Disposition (SPD) Supplemental Environmental Impact Statement (EIS). September 1, 2012 dummy image Read our archives Contacts Editor Linda

  2. EIS-0390: Notice of Public Meetings and Additional Opportunity...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    for Public Review and Comment EIS-0390: Notice of Intent to Prepare an Environmental Impact Statement; Floodplain and Wetlands Involvement; and Public Scoping Meetings EIS-0483...

  3. EIS-0390: Notice of Public Meeting and Additional Opportunity...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    for Public Review and Comment EIS-0390: Notice of Intent to Prepare an Environmental Impact Statement; Floodplain and Wetlands Involvement; and Public Scoping Meetings EIS-0400...

  4. Public Meetings

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Public Meetings Individual Permit: Public Meetings Subscribe to receive notifications for semiannual Individual Permit for Storm Water public meetings. Contact Environmental Communication & Public Involvement P.O. Box 1663 MS M996 Los Alamos, NM 87545 (505) 667-0216 Email Public meeting notifications LANL will email a draft agenda at least one week before the meeting and will consider suggestions from the public for changes or additions to the agenda. Upcoming Meetings 2016 October 18, 2016

  5. EIS-0385-S1: Notice of Additional Public Scoping Meeting | Department...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Additional Public Scoping Meeting EIS-0385-S1: Notice of Additional Public Scoping Meeting Site Selection for the Expansion of the Strategic Petroleum Reserve On March 5, 2008, the...

  6. Additional public meeting on plutonium disposition on September...

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    public hearing will take place on September 18 from 5:30 to 8:30 p.m. in the Fine Arts Building at Northern New Mexico College in Espanola. The Draft SPD Supplemental EIS...

  7. DOE Announces Additional Public Comment Meetings for Draft National Corridor Designations

    Energy.gov [DOE]

    The U.S. Department of Energy (DOE) today announced that it will hold four additional public meetings for the two draft National Interest Electric Transmission Corridors (National Corridors) during the 60-day public comment period, which will close on July 6, 2007.

  8. Public Meeting

    Energy.gov (indexed) [DOE]

    their work on the SMR Subcommittee. From the full SEAB, this includes Norm Augustine, Frances Beinecke, and John Deutch. The additional members of the Subcommittee are Jim Baker,...

  9. Public Outreach committee meeting

    Energy.gov [DOE]

    The ORSSAB Public Outreach Committee meeting is open to the public. The conference call information will be provided as the meeting approaches.

  10. Consent Order public meeting

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Consent Order public meeting Consent Order public meeting WHEN: Apr 28, 2016 5:00 PM - 7:00 PM WHERE: Los Alamos County Council Chambers CATEGORY: Community TYPE: Meeting INTERNAL: Calendar Login Event Description On March 1, 2005, NMED, the Department of Energy (DOE) and the Regents of the University of California entered into the 2005 Consent Order that prescribed fence-to-fence cleanup requirements for the Laboratory. The public comment period on the Consent Order closes May 16, 2016

  11. CSC Public Meeting Agenda | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Public Meeting Agenda CSC Public Meeting Agenda PDF icon CSC Public Meeting Agenda More Documents & Publications 2012 Peer Review Overview Agenda FINALAPRILSEABAGENDA.pdf Spectrum ...

  12. Meeting Materials: Consent-Based Siting Public Meeting in Sacramento...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    in Sacramento (April 26, 2016) Meeting Materials: Consent-Based Siting Public Meeting in Sacramento (April 26, 2016) Meeting Materials: Consent-Based Siting Public Meeting in ...

  13. REEE Solicitation Public Meeting Presentation

    Energy.gov [DOE]

    A copy of a REEE Solicitation Public Meeting Presentation. The presentation provides an overview of the Loan Programs Office mission, support, projects, and reviews the Draft Renewable Energy and Energy Efficient Projects Solicitation.

  14. HR Public meeting

    ScienceCinema (OSTI)

    None

    2016-07-12

    Cher(e)s collègues, En collaboration avec le Département HR, le Directeur général a le plaisir de vous convier à une réunion publique qui se tiendra le vendredi 25 juin 2010 à 9h30 dans l’Amphithéâtre principal (Bâtiment 500)*. Un café d’accueil y sera servi à partir de 9h. Cette réunion abordera les thèmes suivants : • Valeurs de l’Organisation (Directeur général) • Code de Conduite (Directeur général / Anne-Sylvie Catherin) • Création du nouveau rôle d’Ombudsperson (Vincent Vuillemin) Ces présentations seront suivies d’une séance de questions-réponses. Nous espérons vous retrouver nombreux le 25 juin ! Meilleures salutations, Anne-Sylvie Catherin Chef du Département des Ressources humaines *Cette réunion sera retransmise simultanément dans l’Amphithéâtre BE de Prévessin (Bâtiment 864) et également disponible à l’adresse suivante : http://webcast.cern.ch -------------------------------------------------------- Dear colleagues, In collaboration with HR Department, the Director-General would like to invite you to an information meeting which will be held on Friday 25 June 2010 at 9:30 am in the Main Auditorium (Building 500)*. A welcome coffee will be available from 9:00 am. During this meeting, information will be given about: • Organization’s values (Director-General) • Code of Conduct (Director-General / Anne-Sylvie Catherin) • New Ombudsperson role (Vincent Vuillemin) These presentations will be followed by a questions & answers session. We look forward to seeing you all on 25 June! Best regards, Anne-Sylvie Catherin Head, Human Resources Department *This meeting will be simultaneously retransmitted in BE Auditorium (Building 864) and available at the following address: http://webcast.cern.ch.

  15. HR Public meeting

    ScienceCinema (OSTI)

    None

    2011-10-06

    Cher(e)s collègues, En collaboration avec le Département HR, le Directeur général a le plaisir de vous convier à une réunion publique qui se tiendra le vendredi 25 juin 2010 à 9h30 dans l?Amphithéâtre principal (Bâtiment 500)*. Un café d?accueil y sera servi à partir de 9h. Cette réunion abordera les thèmes suivants : ? Valeurs de l?Organisation (Directeur général) ? Code de Conduite (Directeur général / Anne-Sylvie Catherin) ? Création du nouveau rôle d?Ombudsperson (Vincent Vuillemin) Ces présentations seront suivies d?une séance de questions-réponses. Nous espérons vous retrouver nombreux le 25 juin ! Meilleures salutations, Anne-Sylvie Catherin Chef du Département des Ressources humaines *Cette réunion sera retransmise simultanément dans l?Amphithéâtre BE de Prévessin (Bâtiment 864) et également disponible à l?adresse suivante : http://webcast.cern.ch -------------------------------------------------------- Dear colleagues, In collaboration with HR Department, the Director-General would like to invite you to an information meeting which will be held on Friday 25 June 2010 at 9:30 am in the Main Auditorium (Building 500)*. A welcome coffee will be available from 9:00 am. During this meeting, information will be given about: ? Organization?s values (Director-General) ? Code of Conduct (Director-General / Anne-Sylvie Catherin) ? New Ombudsperson role (Vincent Vuillemin) These presentations will be followed by a questions & answers session. We look forward to seeing you all on 25 June! Best regards, Anne-Sylvie Catherin Head, Human Resources Department *This meeting will be simultaneously retransmitted in BE Auditorium (Building 864) and available at the following address: http://webcast.cern.ch.

  16. 3116 Public Meeting Summaries- November 2006

    Energy.gov [DOE]

    The United States Nuclear Regulatory Commission and the United States Department Of Energy Public Meeting

  17. Consent-Based Siting Public Meeting

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    BASED SITING PUBLIC MEETING CHICAGO, ILLINOIS WHERE WHAT WHEN University of Chicago, ... March 29, 2016. An informal open houseposter session begins at noon. The formal meeting ...

  18. 3116 Public Meeting Summaries- July 2007

    Energy.gov [DOE]

    The United States Nuclear Regulatory Commission and the United States Department Of Energy Public Meeting

  19. Amended Notice of Intent To Modify the Scope of the EIS and Conduct Additional Public Scoping Meetings, and Notice of Floodplains and Wetlands Involvement for the Northern Pass Project: Federal Register Notice VOlume 78, No. 173- September 6, 2013

    Energy.gov [DOE]

    The U.S. Department of Energy announces its intent to modify the scope of the Northern Pass Transmission Line Project Environmental Impact Statement (DOE/EIS–0463) and to conduct additional public scoping meetings. Because the proposed Federal action may involve floodplains and wetlands, the draft EIS will include a floodplains and wetlands assessment as appropriate, and the final EIS and/or Record of Decision will include a floodplains and wetlands statement of findings.

  20. STATE OF THE HANFORD SITE Public Meetings

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    STATE OF THE HANFORD SITE Public Meetings April 2014 What is a State of the Hanford Site public meeting? Hanford cleanup schedules and activities are set by the Tri-Party Agreement (TPA). The U.S. Department of Energy (DOE), Washington State Department of Ecology (Ecology) and the U.S. Environmental Protection Agency (EPA) - the TPA agencies - will host four State of the Hanford Site meetings in Northwest communities. These meetings provide an opportunity for the public to discuss Hanford

  1. EIS-0250-S1: Notice of Public Comment Period Extension and Additional...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Notice of Public Comment Period Extension and Additional Public Meeting Geologic Repository for the Disposal of Spent Nuclear Fuel and High-Level Radioactive Waste at Yucca...

  2. QER Public Meeting: Petroleum Product Transmission & Distribution

    Energy.gov [DOE]

    May 27, 2014 Public Meeting: Petroleum Product Transmission & Distribution (including CO2/EOR) On May 27, 2014, the DOE will hold a public meeting in New Orleans, Louisiana. The May 27, 2014 public meeting will feature facilitated panel discussions, followed by an open microphone session. Persons desiring to speak during the 6 open microphone session at the public meeting should come prepared to speak for no more than 3 minutes and will be accommodated on a first- come, first- serve basis, according to the order in which they register to speak on a sign-in sheet available at the meeting location, on the morning of the meeting. In advance of the meeting, DOE anticipates making publicly available a briefing memorandum providing useful background information regarding the topics under discussion at the meeting. DOE will post this memorandum on its website: http://energy.gov

  3. Agenda CBS Public Meeting-Atlanta

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Elliott, Ph.D., Associate Director Georgia Institute of Technology's Center for Quality Growth and Regional Development CONSENT- BASED SITING CONSENT-BASED SITING PUBLIC MEETING ...

  4. Agenda CBS Public Meeting-Tempe

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Gholson, Chairman, Timbisha Shoshone Tribe CONSENT- BASED SITING CONSENT-BASED SITING PUBLIC MEETING Phoenix Marriott Tempe at the Buttes 2000 W Westcourt Way Tempe, AZ 85282 June ...

  5. DOE Public Meeting Wiscasset Community Center

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Public Meeting Wiscasset Community Center 242 Gardiner Rd. Wiscasset, Maine June 3, 2016 FULL TRANSCRIPT Mr. Andrew Griffith: Any objections? We'll get it done, thank you. Question from audience: Are all set presentations being recorded? Mr. Andrew Griffith. All of our public meetings in the eight locations around the country [are being recorded]. We are not counting this as one of those eight public meetings because this is a little bit more free-form. I would capture this as one of our

  6. Agenda CBS Public Meeting-Denver

    Energy.gov (indexed) [DOE]

    ... CONSENT- BASED SITING CONSENT-BASED SITING PUBLIC MEETING Speakers and Panelists Michael J. Sullivan was born in Omaha, Nebraska, and grew up in Douglas, Wyoming. He received a ...

  7. Agenda CBS Public Meeting-Sacramento

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    David Ballard, Ph.D., Professor of Sociology CONSENT- BASED SITING CONSENT-BASED SITING PUBLIC MEETING Holiday Inn Capitol Plaza-Sacramento 300 J Street Sacramento, CA 95814 April ...

  8. Agenda CBS Public Meeting-Minneapolis

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Rod McCullum, Senior Director, Used Fuel and Decommissioning, Nuclear Energy Institute CONSENT- BASED SITING CONSENT-BASED SITING PUBLIC MEETING Hilton Minneapolis 1001 Marquette Avenue Minneapolis, MN 55403 July 21, 2016 4:00-5:00 PM Informal Open House and Poster Session (Before Meeting Begins) 5:00-5:15 PM Welcoming Remarks John Tuma, Commissioner, Minnesota Public Utilities Commission 5:15-5:30 PM Moving Forward with Consent-Based Siting John Kotek, Acting Assistant Secretary for Nuclear

  9. 6 PUBLIC SCOPING MEETING 7 ...

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    19 20 21 22 23 BRIDGES REPORTING & LEGAL VIDEO Certified Shorthand Reporters 24 1030 ... (509) 735-2400 BRIDGES REPORTING & LEGAL VIDEO (800) 358-2345 1 FORMAL PUBLIC COMMENTS 2 ...

  10. Workshops and Public Meetings Related to Water-Energy | Department...

    Energy Savers

    Workshops and Public Meetings Related to Water-Energy Workshops and Public Meetings Related to Water-Energy Saving Water Through Behavior Changing Technologies at Argonne National ...

  11. Draft Advanced Nuclear Energy Solicitation Public Meeting Presentation...

    Energy Savers

    Nuclear Energy Solicitation Public Meeting Presentation Draft Advanced Nuclear Energy Solicitation Public Meeting Presentation Draft Advanced Nuclear Solicitation presentation.pdf ...

  12. Public Meeting Attendee List: Sustainable Design Standards for...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Public Meeting Attendee List: Sustainable Design Standards for Federal Buildings Public Meeting Attendee List: Sustainable Design Standards for Federal Buildings This document is ...

  13. Secretary of Energy Advisory Board Public Meeting

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    the US Department of Energy (DOE) Secretary of Energy Advisory Board Public Meeting January 20, 2011 Committee Members: William Perry, Chair; Alexis Herman, Vice Chair; Ralph Cicerone; John Deutch; Nicholas Donofrio; Matt Rogers; Arthur Rosenfeld; Susan Tierney; Steven Westly; Daniel Yergin Date and Time: 9:00 AM- 4:00 PM, September 16, 2010 Location: US Department of Energy, 1000 Independence Avenue, SW, Room 1E-245 Washington, DC Purpose: Meeting of the Secretary of Energy Advisory Board SEAB

  14. 3116 WASTE DETERMINATIONS PUBLIC MEETINGS AND GENERIC TECHNICAL ISSUES

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    SUMMARIES | Department of Energy 116 WASTE DETERMINATIONS PUBLIC MEETINGS AND GENERIC TECHNICAL ISSUES SUMMARIES 3116 WASTE DETERMINATIONS PUBLIC MEETINGS AND GENERIC TECHNICAL ISSUES SUMMARIES Below are public meeting summaries and general technical issue summaries relating to 3116 waste determinations. The 3116 Public Meeting Summaries cover public meetings that the Department of Energy (DOE) and Nuclear Regulatory Commission (NRC) periodically host to provide the status of activities

  15. Agenda CBS Public Meeting-Boise

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Talia T. Martin, Tribal/DOE Program Director, Shoshone-Bannock Tribes CONSENT- BASED SITING CONSENT-BASED SITING PUBLIC MEETING Boise Centre 850 West Front Street Boise, ID 83702 July 14, 2016 4:00-5:00 PM Informal Open House and Poster Session (Before Meeting Begins) 5:00-5:15 PM Welcoming Remarks David Leroy, Trial Lawyer, Former Nuclear Waste Negotiator 5:15-5:30 PM Moving Forward with Consent-Based Siting John Kotek, Acting Assistant Secretary for Nuclear Energy, Department of Energy

  16. Agenda CBS Public Meeting-Sacramento

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    David Ballard, Ph.D., Professor of Sociology CONSENT- BASED SITING CONSENT-BASED SITING PUBLIC MEETING Holiday Inn Capitol Plaza-Sacramento 300 J Street Sacramento, CA 95814 April 26, 2016 4:00-5:00 PM Informal Open House and Poster Session (Before Meeting Begins) 5:00-5:15 PM Welcoming Remarks Robert Weisenmiller, Chair to the California Energy Commission 5:15-5:30 PM Moving Forward with Consent-Based Siting John Kotek, Acting Assistant Secretary for Nuclear Energy, Department of Energy

  17. EIS-0463: Notice of Public Meeting Location Change | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Meeting Location Change EIS-0463: Notice of Public Meeting Location Change Presidential Permit Application for Northern Pass Transmission, New Hampshire On September 6, 2013, DOE published in the Federal Register an amended Notice of Intent (NOI) to modify the scope of the Northern Pass Transmission Line Project Environmental Impact Statement (EIS) (DOE/EIS-0463) and to conduct additional public scoping meetings (78 FR 54876). In that amended NOI, DOE announced four public meetings, including

  18. Draft Advanced Nuclear Energy Solicitation Public Meeting Presentation |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy Nuclear Energy Solicitation Public Meeting Presentation Draft Advanced Nuclear Energy Solicitation Public Meeting Presentation Draft Advanced Nuclear Solicitation presentation.pdf (892.68 KB) More Documents & Publications REEE Solicitation Public Meeting Presentation Renewable Energy & Energy Efficiency Projects: Loan Guarantee Solicitation

  19. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    CLARA-Project: Intensive Experimental Study of Clouds and Radiation in The Netherlands Russchenberg, H.W.J., Delft University of Technology; van Lammeren, A.C.A.P., and Feijt, A., Royal Netherlands Meteorological Institute; Apituley, A., National Institute of Public Health and the Environment; Khlystov, A., Netherlands Energy Research Centre; Herben, M., Eindhoven University of Technology Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting In 1996, three extensive measurement

  20. Transcript of March 4, 2011 Joint Public Meeting | Department...

    Energy.gov (indexed) [DOE]

    of March 4, 2011 Joint Public Meeting More Documents & Publications CERTIFICATE OF AUTHENTICITY Office of Information Resources U.S. Offshore Wind Advanced Technology...

  1. QER Public Meeting in New York, NY: Energy Infrastructure Finance...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    ... More Documents & Publications Quadrennial Energy Review: Scope, Goals, Vision, Approach, Outreach QER - Comment of IEEE QER Public Meeting in Washington, DC: Enhancing Energy ...

  2. Public Meeting Transcript: Sustainable Design Standards for Federal Buildings

    Energy.gov [DOE]

    This transcript is from the public meeting to discuss sustainable design standards for Federal buildings held on July 28, 2010.

  3. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Best Estimate Data Product Shippert, T.R., Pacific Northwest National Laboratory Eighth Atmospheric Radiation Measurement (ARM) Science Team Meeting The first ARM best estimate product, for the shortwave instantaneous radiative flux (IRF), is discussed. The "list of ten" shortwave parameters which make up the best estimate product are given, algorithms for their calculation are discussed, and areas of potential conflict are noted. In addition, the concepts and motivation behind the

  4. Publications and Presentations at Scientific Meetings | Stanford

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Synchrotron Radiation Lightsource Publications and Presentations at Scientific Meetings Calendar Year 2014: †Denotes papers on which a university or other collaborator was the lead author. Alessi D.S., J.S. Lezama-Pacheco, J.E. Stubbs, M. Janousch, J.R. Bargar, P. Persson, and R. Bernier-Latmani (2014) The product of microbial uranium reduction includes multiple species with U(IV)-phosphate coordination, Geochim. Cosmochim. Acta, in press. †Qafoku, N.P., B.N. Gartman, R.K. Kukkadapu,

  5. doe eis public scoping meeting.ptx

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    2 3 DEPARTMENT OF ENERGY 4 5 NOTICE OF INTENT TO PREPARE AN ENVIRONMENTAL IMPACT 6 STATEMENT FOR THE ACQUISITION OF A NATURAL GAS PIPELINE AND NATURAL GAS UTILITY SERVICE AT THE HANFORD SITE, 7 RICHLAND, WASHINGTON, AND NOTICE OF FLOODPLAINS AND WETLANDS INVOLVEMENT 8 9 10 DOE/EIS-0467 11 12 13 PUBLIC SCOPING MEETING 14 15 February 9, 2012 16 7:00 p.m. 17 Red Lion Hotel and Conference Center 18 Pasco, Washington 19 20 21 22 BRIDGES REPORTING & LEGAL VIDEO 23 Certified Shorthand Reporters

  6. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    A Three-Year Cloud Climatology for the Southern Great Plains Site Marchand, R.T. (a), Ackerman, T.P. (a), and Clothiaux, E.E. (b), Pacific Northwest National Laboratory (a), Pennsylvania State University (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting In 1999 we presented a poster on radar-derived macrophyscial cloud statistics for the ARM SGP site for the two years 1997 and 1998. This year we extend those results with additional data from 1999. In addition to previous

  7. CSC Notice of Public Meeting | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Notice of Public Meeting CSC Notice of Public Meeting CSC NOPR_PubMtg (199.84 KB) More Documents & Publications CSC NOPR Notice of Extension Notice of Public Workshop on Information Collection Energy Conservation Program for Consumer Products: Test Procedures for Furnaces and Boilers, Comment Period Extension

  8. Public Meeting Attendee List: Sustainable Design Standards for Federal

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Buildings | Department of Energy Attendee List: Sustainable Design Standards for Federal Buildings Public Meeting Attendee List: Sustainable Design Standards for Federal Buildings This document is an attendee list for the public meeting to discuss sustainable design standards for Federal buildings held on July 28, 2010. Download the public meeting attendee list. (43.68 KB) More Documents & Publications Directory of Potential Stakeholders for DOE Actions under NEPA (DOE, 2016) Diversity

  9. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    A Comparison of High Spectral Resolution Infrared Cloud Boundary Algorithms using S-HIS and AERI Measurements Holz, R.E.(a), Antonelli, P.(a), Ackerman, S.(a), McGill, M.J.(a), Nagel, F.(a), Feltz, W.F.(a), and Turner, D.D.(b), Univeristy of Wisconsin, Madison (a), Pacific Northwest National Laboratory (b) Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Cloud top pressure is an important parameter in determining the radiative impact of clouds on climate. In addition,

  10. Public Meeting: Physical Characterization of Smart and Grid-Connected...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Smart and Grid-Connected Commercial and Residential Building End-Use Equipment and Appliances Public Meeting: Physical Characterization of Smart and Grid-Connected Commercial and ...

  11. QER Public Meeting in Bismarck, ND: Infrastructure Constraints...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Stateroom (No. 415) 1200 Schafer Street Bismarck, ND 58506 Meeting Information ... Hess Corporation - Statement (330.33 KB) Brian Kalk, Chairman, North Dakota Public ...

  12. Offshore Resource Assessment and Design Conditions Public Meeting...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Resource Assessment and Design Conditions Public Meeting Summary Report Offshore Resource ... data needed for successful deployment of offshore renewable energy technologies. 2011 ...

  13. Notice of Public Meeting, Federal Register, 66 FR 50177, October...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    FR 50177, October 2, 2001 Document displays a notice of public meeting for Federal Purchasing of Energy-Efficient Standby Power Devices, which was published in the Federal...

  14. Quadrennial Energy Review Public Meeting: Water-Energy Nexus

    Energy.gov (indexed) [DOE]

    Quadrennial Energy Review Public Meeting: Water-Energy Nexus Statement of Nathan Bracken Assistant Director and General Counsel Western States Water Council June 19, 2014 I. ...

  15. Chicago To Host Energy Department's First Public Meeting on Consent...

    Energy Savers

    Chicago To Host Energy Department's First Public Meeting on Consent-Based Siting For Nuclear Waste Management System ... the location of future storage and disposal facilities ...

  16. The Quadrennial Energy Review (QER) Public Meetings

    Office of Energy Efficiency and Renewable Energy (EERE)

    DOE will host the stakeholder engagement meetings listed below. DOE will announce the dates and locations of the meetings in the Federal Register and on this website as soon as they are confirmed.

  17. Microsoft Word - May-meeting-schedule-public

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Meeting May 15, 2012 Meeting schedule: 08:00 - 0:830 - Welcome and introductions - Don G., Robert T. and subcommittee members 08:30 - 0:915 - Mission, Vision, and Research - T....

  18. SEAB Public Meeting - September 22, 2016 | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Public Meeting - September 22, 2016 SEAB Public Meeting - September 22, 2016 September 22, 2016 9:00AM to 12:00PM EDT SECRETARY OF ENERGY ADVISORY BOARD MEETING U.S. Department of Energy 1000 Independence Avenue SW, Room 1E-245 Washington, DC, 20585 At this public meeting, SEAB will consider for approval three task force reports: Federal Energy Management, Biomedical Sciences, and Future of Nuclear Power; and will hear a briefing on DOE support of the Prague Agenda. The draft reports are

  19. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    2 Science Team Meeting 1992 Proceedings Proceedings Sorted by Title Proceedings Sorted by Author Science Team Meeting Proceedings Proceedings of the Second Atmospheric Radiation Measurement (ARM) Science Team Meeting DOE CONF-9110336, October 26-30, 1992 Denver, Colorado For proper viewing, many of these proceedings should be viewed with Adobe Acrobat Reader. Download the latest version from the Adobe Reader website. View session papers by Author or Title. Technical Sessions A Field Evaluation

  20. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    3 Science Team Meeting 1992 Proceedings Proceedings Sorted by Title Proceedings Sorted by Author Science Team Meeting Proceedings Proceedings of the Third Atmospheric Radiation Measurement (ARM) Science Team Meeting CONF-9303112, March 1-4,1993 Norman, Oklahoma For proper viewing, many of these proceedings should be viewed with Adobe Acrobat Reader. Download the latest version from the Adobe Reader website. View session papers by Author or Title. History and Status of the ARM Program - March

  1. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    4 Science Team Meeting 1994 Proceedings Proceedings Sorted by Title Proceedings Sorted by Author Science Team Meeting Proceedings Proceedings of the Fourth Atmospheric Radiation Measurement (ARM) Science Team Meeting DOE CONF-940277, March 1994 Charleston, South Carolina For proper viewing, many of these proceedings should be viewed with Adobe Acrobat Reader. Download the latest version from the Adobe Reader website. View session papers by Author or Title. History and Status of the ARM Program -

  2. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    5 Science Team Meeting 1995 Proceedings Proceedings Sorted by Title Proceedings Sorted by Author Science Team Meeting Proceedings Proceedings of the Fifth Atmospheric Radiation Measurement (ARM) Science Team Meeting DOE CONF-9503140, March 1995 San Diego, California For proper viewing, many of these proceedings should be viewed with Adobe Acrobat Reader. Download the latest version from the Adobe Reader website. View session papers by Author or Title. History and Status of the ARM Program -

  3. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    6 Science Team Meeting 1996 Proceedings Proceedings Sorted by Title Proceedings Sorted by Author Science Team Meeting Proceedings Proceedings of the Sixth Atmospheric Radiation Measurement (ARM) Science Team Meeting DOE CONF-9603149, March 1996 San Antonio, Texas For proper viewing, many of these proceedings should be viewed with Adobe Acrobat Reader. Download the latest version from the Adobe Reader website. View session papers by Author or Title. Poster abstracts are not available online for

  4. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    7 Science Team Meeting 1997 Proceedings Proceedings Sorted by Title Proceedings Sorted by Author Science Team Meeting Proceedings Cover image Proceedings of the Seventh Atmospheric Radiation Measurement (ARM) Science Team Meeting ARM-CONF-1997, March 1997 San Antonio, Texas For proper viewing, many of these proceedings should be viewed with Adobe Acrobat Reader. Download the latest version from the Adobe Reader website. View session papers by Author or Title. Poster abstracts are not available

  5. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    8 Science Team Meeting 1998 Proceedings Proceedings Sorted by Title Proceedings Sorted by Author Science Team Meeting Proceedings Cover image Proceedings of the Eighth Atmospheric Radiation Measurement (ARM) Science Team Meeting ARM-CONF-1998, March 1998 Tucson, Arizona For proper viewing, many of these proceedings should be viewed with Adobe Acrobat Reader. Download the latest version from the Adobe Reader website. View session papers by Author or Title. * Poster abstract only; an extended

  6. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    9 Science Team Meeting 1999 Proceedings Proceedings Sorted by Title Proceedings Sorted by Author Science Team Meeting Proceedings Cover image Proceedings of the Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting ARM-CONF-1999, March 1999 San Antonio, Texas For proper viewing, many of these proceedings should be viewed with Adobe Acrobat Reader. Download the latest version from the Adobe Reader website. View session papers by Author or Title. * Poster abstract only; an extended

  7. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    0 Science Team Meeting 2000 Proceedings Proceedings Sorted by Title Proceedings Sorted by Author Science Team Meeting Proceedings Cover image Proceedings of the Tenth Atmospheric Radiation Measurement (ARM) Science Team Meeting ARM-CONF-2000, March 2000 San Antonio, Texas For proper viewing, many of these proceedings should be viewed with Adobe Acrobat Reader. Download the latest version from the Adobe Reader website. View session papers by Author or Title. * Poster abstract only; an extended

  8. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    2 Science Team Meeting 2002 Proceedings Proceedings Sorted by Title Proceedings Sorted by Author Science Team Meeting Proceedings Cover image Proceedings of the Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting ARM-CONF-2002, April 2002 St. Petersburg, Florida For proper viewing, many of these proceedings should be viewed with Adobe Acrobat Reader. Download the latest version from the Adobe Reader website. View session papers by Author or Title. * An extended abstract was not

  9. ARM - Publications: Science Team Meeting Documents

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    3 Science Team Meeting 2003 Proceedings Proceedings Sorted by Title Proceedings Sorted by Author Science Team Meeting Proceedings Cover image Proceedings of the Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting ARM-CONF-2003, April 2003 Broomsfield, Colorado For proper viewing, extended abstracts should be viewed with Adobe Acrobat Reader. Download the latest version from the Adobe Reader website. View session papers by Author or Title. * Poster abstract only; an extended

  10. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    4 Science Team Meeting 2004 Proceedings Proceedings Sorted by Title Proceedings Sorted by Author Science Team Meeting Proceedings Cover image Proceedings of the Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting ARM-CONF-2004, March 2004 Albuquerque, New Mexico For proper viewing, extended abstracts should be viewed with Adobe Acrobat Reader. Download the latest version from the Adobe Reader website. * Poster abstract only; an extended abstract has not been provided by the

  11. ARM - Publications: Science Team Meeting Documents

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    5 Science Team Meeting 2005 Proceedings Proceedings Sorted by Title Proceedings Sorted by Author Science Team Meeting Proceedings Cover image Proceedings of the Fifteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting ARM-CONF-2005, March 2005 Daytona Beach, Florida For proper viewing, extended abstracts should be viewed with Adobe Acrobat Reader. Download the latest version from the Adobe Reader website. * Poster abstract only; an extended abstract was not provided by the

  12. ARM - Publications: Science Team Meeting Documents

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    6 Science Team Meeting 2006 Proceedings Proceedings Sorted by Title Proceedings Sorted by Author Proceedings Sorted by Category Science Team Meeting Proceedings Cover image Proceedings of the Sixteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting ARM-CONF-2006, March 2006 Albuquerque, New Mexico For or proper viewing, extended abstracts should be viewed with Adobe Acrobat Reader. Download the latest version from the Adobe Reader website. * Poster abstract only; an extended

  13. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    2 Science Team Meeting 1992 Proceedings Proceedings Sorted by Title Proceedings Sorted by Author Science Team Meeting Proceedings Proceedings of the Second Atmospheric Radiation Measurement (ARM) Science Team Meeting DOE CONF-9110336, October 26-30, 1992 Denver, Colorado For proper viewing, many of these proceedings should be viewed with Adobe Acrobat Reader. Download the latest version from the Adobe Reader website. View session papers by Author or Title. * Poster abstract only; an extended

  14. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    3 Science Team Meeting 1992 Proceedings Proceedings Sorted by Title Proceedings Sorted by Author Science Team Meeting Proceedings Proceedings of the Third Atmospheric Radiation Measurement (ARM) Science Team Meeting CONF-9303112 March 1-4, 1993 Norman, Oklahoma For proper viewing, many of these proceedings should be viewed with Adobe Acrobat Reader. Download the latest version from the Adobe Reader website. View session papers by Author or Title. * Poster abstract only; an extended abstract was

  15. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    4 Science Team Meeting 1994 Proceedings Proceedings Sorted by Title Proceedings Sorted by Author Science Team Meeting Proceedings Proceedings of the Fourth Atmospheric Radiation Measurement (ARM) Science Team Meeting DOE CONF-940277, March 1994 Charleston, South Carolina For proper viewing, many of these proceedings should be viewed with Adobe Acrobat Reader. Download the latest version from the Adobe Reader website. View session papers by Author or Title. * Poster abstract only; an extended

  16. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    5 Science Team Meeting 1995 Proceedings Proceedings Sorted by Title Proceedings Sorted by Author Science Team Meeting Proceedings Proceedings of the Fifth Atmospheric Radiation Measurement (ARM) Science Team Meeting ARM-CONF-1995, March 1995 San Diego, California For proper viewing, many of these proceedings should be viewed with Adobe Acrobat Reader. Download the latest version from the Adobe Reader website. View session papers by Author or Title. * Poster abstract only; an extended abstract

  17. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    6 Science Team Meeting 1996 Proceedings Proceedings Sorted by Title Proceedings Sorted by Author Science Team Meeting Proceedings Proceedings of the Sixth Atmospheric Radiation Measurement (ARM) Science Team Meeting DOE CONF-9603149, March 1996 San Antonio, Texas For proper viewing, many of these proceedings should be viewed with Adobe Acrobat Reader. Download the latest version from the Adobe Reader website. View session papers by Author or Title. Poster abstracts are not available online for

  18. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    7 Science Team Meeting 1997 Proceedings Proceedings Sorted by Title Proceedings Sorted by Author Science Team Meeting Proceedings Cover image Proceedings of the Seventh Atmospheric Radiation Measurement (ARM) Science Team Meeting ARM-CONF-1997, March 1997 San Antonio, Texas For proper viewing, many of these proceedings should be viewed with Adobe Acrobat Reader. Download the latest version from the Adobe Reader website. View session papers by Author or Title. Poster abstracts are not available

  19. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Meeting 1998 Proceedings Proceedings Sorted by Title Proceedings Sorted by Author Science Team Meeting Proceedings Cover image Proceedings of the Eighth Atmospheric Radiation Measurement (ARM) Science Team Meeting ARM-CONF-1998, March 1998 Tucson, Arizona For proper viewing, many of these proceedings should be viewed with Adobe Acrobat Reader. Download the latest version from the Adobe Reader website. View session papers by Author or Title. * Poster abstract only; an extended abstract was not

  20. ARM - Publications: Science Team Meeting Documents

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    Meeting 1999 Proceedings Proceedings Sorted by Title Proceedings Sorted by Author Science Team Meeting Proceedings Cover image Proceedings of the Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting ARM-CONF-1999, March 1999 San Antonio, Texas For proper viewing, many of these proceedings should be viewed with Adobe Acrobat Reader. Download the latest version from the Adobe Reader website. View session papers by Author or Title. * Poster abstract only; an extended abstract was not

  1. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    0 Science Team Meeting 2000 Proceedings Proceedings Sorted by Title Proceedings Sorted by Author Science Team Meeting Proceedings Cover image Proceedings of the Tenth Atmospheric Radiation Measurement (ARM) Science Team Meeting ARM-CONF-2000, March 2000 San Antonio, Texas For proper viewing, many of these proceedings should be viewed with Adobe Acrobat Reader. Download the latest version from the Adobe Reader website. View session papers by Author or Title. * Poster abstract only; an extended

  2. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    1 Science Team Meeting 2001 Proceedings Proceedings Sorted by Title Proceedings Sorted by Author Science Team Meeting Proceedings Cover image Proceedings of the Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting ARM-CONF-2001, March 2001 Atlanta, Georgia For proper viewing, extended abstracts should be viewed with Adobe Acrobat Reader. Download the latest version from the Adobe Reader website. View session papers by Author or Title. * Poster abstract only; an extended abstract

  3. ARM - Publications: Science Team Meeting Documents

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    Meeting 2002 Proceedings Proceedings Sorted by Title Proceedings Sorted by Author Science Team Meeting Proceedings Cover image Proceedings of the Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting ARM-CONF-2002, April 2002 St. Petersburg, Florida For proper viewing, extended abstracts should be viewed with Adobe Acrobat Reader. Download the latest version from the Adobe Reader website. View session papers by Author or Title. * Poster abstract only; an extended abstract was not

  4. ARM - Publications: Science Team Meeting Documents

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    Meeting 2003 Proceedings Proceedings Sorted by Title Proceedings Sorted by Author Science Team Meeting Proceedings Cover image Proceedings of the Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting ARM-CONF-2003, April 2003 Broomsfield, Colorado For proper viewing, extended abstracts should be viewed with Adobe Acrobat Reader. Download the latest version from the Adobe Reader website. View session papers by Author or Title. * Poster abstract only; an extended abstract was not

  5. ARM - Publications: Science Team Meeting Documents

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    Meeting 2004 Proceedings Proceedings Sorted by Title Proceedings Sorted by Author Science Team Meeting Proceedings Cover image Proceedings of the Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting ARM-CONF-2004, March 2004 Albuquerque, New Mexico For proper viewing, extended abstracts should be viewed with Adobe Acrobat Reader. Download the latest version from the Adobe Reader website. * Poster abstract only; an extended abstract has not been provided by the author(s). View

  6. Hanford Advisory Board Guidelines for Public Comment at Board Meetings

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    .22.15 Hanford Advisory Board Guidelines for Public Comment at Board Meetings Welcome to this Hanford Advisory Board meeting. The Board appreciates this opportunity to hear your views and comments on Hanford cleanup activities. Your comments will be summarized in the Board meeting minutes. Board meetings are also routinely audio-recorded. If you wish, you may at any time provide written comments to the Board at: Hanford Advisory Board c/o EnviroIssues Hanford Project Office 713 Jadwin #3

  7. Hanford Advisory Board Guidelines for Public Comment at Board Meetings

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Guidelines for Public Comment at Board Meetings Welcome to this Hanford Advisory Board meeting. The Board appreciates this opportunity to hear your views and comments on Hanford cleanup activities. Your comments will be summarized in the Board meeting minutes. Board meetings are also routinely audio-recorded. If you wish, you may at any time provide written comments to the Board at: Hanford Advisory Board c/o EnviroIssues Hanford Project Office 713 Jadwin #3 Richland, Washington 99352

  8. EIS-0386: Notice of Additional Public Hearing | Department of...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Federal Land in the 11 Western States Additional Public Hearing on the Draft Programmatic Environmental Impact Statement; Designation of Energy Corridors on Federal Land in the ...

  9. DOE to Hold Public Information Meetings On Proposed Permit Modification

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    Meeting On Proposed Permit Modification CARLSBAD, N.M., January 31, 2001 - The public is invited to comment on a proposed modification to the Hazardous Waste Facility Permit for the Waste Isolation Pilot Plant (WIPP). Submittal of the proposed modification to the New Mexico Environment Department (NMED) by the U.S. Department of Energy (DOE) begins a formal review process that includes a 60-day public comment period and a public information meeting. In its request, DOE proposes alternative

  10. DOE to Hold Public Information Meetings on Permit Modifications

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Meetings On Permit Modifications CARLSBAD, N.M., May 8, 2001 - The public is invited to comment on two proposed modifications to the Hazardous Waste Facility Permit for the Waste Isolation Pilot Plant (WIPP). Submittal of the proposed modifications to the New Mexico Environment Department (NMED) by the U.S. Department of Energy (DOE) begins a formal review process that includes a 60-day public comment period and two separate public information meetings. The proposed modifications would support

  11. Public Scoping Meeting and Public Scoping Period for a Proposed...

    Energy Savers

    public input on the scope of an Environmental Assessment for "Project Icebreaker". ... The public is invited to submit written comments on the scope of issues and resources and ...

  12. Agenda CBS Public Meeting-Denver

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    House and Poster Session (Before Meeting Begins) 5:00-5:15 PM Welcoming Remarks Mike Sullivan, Former Governor of Wyoming 5:15-5:30 PM Moving Forward with Consent-Based Siting ...

  13. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    ARM Data Information Flow Macduff, M., Creel, K., and Eagan, R., Pacific Northwest National Laboratory Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Poster depicts flow of data from various ARM sites to its final destination

  14. US Department of Energy environmental management advisory board public meeting

    SciTech Connect (OSTI)

    Not Available

    1994-03-01

    Contents of this publication include: list of participants; March 14, 1994--opening of public meeting and subcommittee reports, and public comment session; March 15, 1994--presentation by Thomas P. Grumbly, assistant secretary for environmental management, presentations by senior environmental management officials, and committee business.

  15. Agenda CBS Public Meeting-Boston

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    ... public involvement and education on decommissioning and the storage of spent nuclear fuel. ... Tierney) and is on the mediation panels for PJM, the Mid-Continent Area Power ...

  16. ARM - Publications: Science Team Meeting Documents: Publication Trends of

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    ARM Research Publication Trends of ARM Research Troyan, David Brookhaven National Laboratory This study summarizes the publication record of ARM research. Items of all types listed in the ARM Publication Database and published between 1990 and 2003 are included in this analysis. An historical examination of this type can be used to develop future metrics with regard to published materials

  17. EM Communicators Meet to Plan Public Outreach

    Energy.gov [DOE]

    EM held a communicators forum in Washington, D.C. last week in coordination with the National Cleanup Workshop. Public affairs representatives from across the DOE complex gathered to share their best strategies for public communications and transparent outreach on EM cleanup accomplishments. EM Principal Deputy Assistant Secretary Mark Whitney engaged with the communicators in the forum.

  18. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Laboratory Spectroscopic Measurements in Support of ARM Varanasi, P., State University of New York at Stony Brook Eighth Atmospheric Radiation Measurement (ARM) Science Team Meeting The most recent data obtained in our laboratory on water vapor and chlorofluorocarbons will be presented along with plans for activities during 1998-99

  19. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Shortwave Spectrometer Quality Assessment Griffin, J., Pacific Northwest National Laboratory; Fisk, M., Sowle, D., and Terry, D., Mission Research Corporation Eighth Atmospheric Radiation Measurement (ARM) Science Team Meeting Initial plans and efforts for data quality assessment on the shortwave spectrometer recently installed at the Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) site are described

  20. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Algorithms for GRAMS Fisk, M., Moore, S., Sowle, D., and Terry, D., Mission Research Corporation Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting Automated data quality methods are used to identify outliers, enabling data dropout detection and high quality data averaging

  1. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Analysis for the Shortwave Spectrometer Fisk, M., Moore, S., Sowle, D., and Terry, D., Mission Research Corporation Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting Algorithms for automated detection of Shortwave Spectrometer (SWS) channel saturation, adjacent channel outliers and other data quality issues are implemented to facilitate data cross-comparison with various radiometer instruments

  2. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    A Shipboard Fast-Rotating Shadowband Spectral Radiometer Reynolds, R.M., Miller, M.A., and Bartholemew, M.J., Brookhaven National Laboratory Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting The Brookhaven National Laboratory has developed a shipboard radiation instrument platform called the Portable Radiation Package (PRP). This poster presents design details, calibration information and results from ship cruises

  3. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    High Latitude Cloud Microphysical Properties from FTIR Data Lubin, D., Scripps Institution of Oceanography Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The ARM AERI instruments record downwelling radiance spectra with sufficient radiometric calibration to enable the retrieval of important cloud microphysical properties. This poster will describe how radiative transfer simulations that include cloud thermodynamic phase (liquid water, ice, mixed phase) can be utilized

  4. Microsoft Word - PR 12 13 Hooper Springs DEIS Public Meeting

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    March 20, 2013 CONTACT: Teresa Waugh, 503-230-7536 or 503-230-5131 BPA releases Hooper Springs Transmission Project draft EIS, invites public to meet Portland, Ore. - The...

  5. Consent-Based Siting Public Meeting Holiday Inn Capitol Plaza...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Consent-Based Siting Public Meeting Holiday Inn Capitol Plaza - Sacramento 300 J Street Sacramento, CA 95814 April 26, 2016 4:00-5:00 PM Informal Open House and Poster Session ...

  6. Public Meeting Transcript: Sustainable Design Standards for Federal...

    Energy.gov (indexed) [DOE]

    This transcript is from the public meeting to discuss sustainable design standards for Federal buildings held on July 28, 2010. noprmeeting072810.pdf (345.56 KB) More Documents & ...

  7. USDA BioPreferred Program Public Meeting for Stakeholders

    Energy.gov [DOE]

    The U.S. Department of Agriculture's (USDA) BioPreferred® program will host a public meeting for interested stakeholders to discuss the issue of incorporating previously excluded mature market...

  8. QER Public Meeting: New England Regional Infrastructure Constraints Part II

    Energy.gov [DOE]

    The Department of Energy will convene a public meeting to discuss and receive comments on issues related to the Quadrennial Energy Review. The purpose of the meeting is to examine energy infrastructure constraints in New England and regional approaches to addressing them

  9. QER Public Meeting: New England Regional Infrastructure Constraints Part I

    Energy.gov [DOE]

    The Department of Energy will convene a public meeting to discuss and receive comments on issues related to the Quadrennial Energy Review. The purpose of the meeting is to examine energy infrastructure constraints in New England and regional approaches to addressing them

  10. Consent-Based Siting Public Meeting Small Group Discussion Summary

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    March 29, 2016 Chicago, Illinois PURPOSE On March 29, 2016, the Department of Energy's consent-based siting initiative hosted its first public meeting in Chicago, Illinois at the University of Chicago Gleacher Center. The purpose of this meeting was to hear from the public and stakeholders on important elements in the design of a consent-based siting process. A consent-based siting process will support the development of facilities needed to manage spent nuclear fuel and high-level radioactive

  11. EA-2045: Public Scoping Notice, Project Description, and Scoping Meeting

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Posters/Simulations | Department of Energy 45: Public Scoping Notice, Project Description, and Scoping Meeting Posters/Simulations EA-2045: Public Scoping Notice, Project Description, and Scoping Meeting Posters/Simulations Lake Erie Energy Development Corporation's Project Icebreaker, an Offshore Wind Advanced Technology Demonstration Project, Offshore Cleveland, Ohio in Lake Erie. The U. S. Department of Energy (DOE), the U.S. Army Corps of Engineers (USACE), and the U.S. Coast Guard

  12. 51979 meeting.public 022210.ptx

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    ... Massachusetts. 6 And I was the public relations manager 7 when the Wall Street Journal called me one morning 8 and asked me why our control systems failed at Three 9 Mile Island. ...

  13. 51979 meeting.public 022210.ptx

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    U.S. DEPARTMENT OF ENERGY DRAFT TANK CLOSURE AND WASTE MANAGEMENT ENVIRONMENTAL IMPACT STATEMENT PUBLIC HEARING DATE: FEBRUARY 22, 2010 6:00 p.m. EASTERN OREGON UNIVERSITY Hoke Union Building One University Boulevard La Grande, Oregon 97850 James Parham, Facilitator PANEL MEMBERS: Ms. Mary Beth Burandt, U.S. Department of Energy, Office of River Protection Ms. Suzanne Dahl, Washington State Department of Ecology, Hanford Project Office Public Hearing February 22, 2010 2 1 U.S. DEPARTMENT OF

  14. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Combination of the Separation of Variable and the T-matrix Method for Computing Optical Properties of Spheroidal Particles Schulz, F.M., Eide, H.A., and Stamnes, K., University of Alaska, Fairbanks; Stamnes, J.J., University of Bergen, Norway Eighth Atmospheric Radiation Measurement (ARM) Science Team Meeting The growing interest in nonspherical particles in recent years has led to significant improvements of various light scattering models for different kinds of nonspherical particles. One

  15. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    3-D Reconstruction of a Regional-Scale Cloud Field from Satellite Data for Use in a Broadband Monte Carlo Radiative Transfer Model Galinsky, V., Ramanathan, V., Boer, E., Podgorny, I., and Vogelmann, A. M., Center for Atmospheric Sciences-Scripps Institution of Oceanography Eighth Atmospheric Radiation Measurement (ARM) Science Team Meeting The absence of realistic 3-D cloud fields and their associated radiative transfer in current general circulation models (GCM) or radiative transfer models

  16. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Activation Control: An Alternate Framework for Explaining Variation of Deep Convection Barr-Kumarakulasinghe, S.A., Brookhaven National Laboratory Eighth Atmospheric Radiation Measurement (ARM) Science Team Meeting An alternate conceptual framework with the ability to explain large scale variation in convection, but still have the ability to explain shorter time scale (weekly) variation of convection is presented. In contrast, the current quasi-equilibrium and statistical equilibrium control

  17. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Aerosol Absorption, Optical Depth and Vertical Extent Estimates Using UV/blue Satellite Measurements Cairns, B., and Alexandrov, M.D., Columbia University; Carlson, B.E., and Lacis, A.A., NASA Goddard Institute for Space Studies Eighth Atmospheric Radiation Measurement (ARM) Science Team Meeting The radiative balance of the atmosphere and the climatological response of the atmospheric circulation to changes in aerosol loading is principally determined by the vertical extent and single-scatter

  18. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Analytical Model of Aerosol Optical and Microphysical Properties with Account for Hygroscopic Growth Khvorostyanov, V.I., Central Aerological Observatory; Curry, J.A., University of Colorado Eighth Atmospheric Radiation Measurement (ARM) Science Team Meeting A microphysical model of aerosol size spectra that includes hygroscopic growth is presented. In the presence of atmospheric humidity, an aerosol size spectrum of the Junge-type transforms into a superposition of two equilibrium power law

  19. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Improved Retrieval Of Cloud Liquid Water Path For ARM Microwave Radiometers Liljegren, J.C., Ames Laboratory Eighth Atmospheric Radiation Measurement (ARM) Science Team Meeting The Atmospheric Radiation Measurement (ARM) Program has deployed dual-frequency microwave water radiometers (MWRs) at its Cloud and Radiation Testbed (CART) sites in the U. S. Southern Great Plains (SGP), the Tropical Western Pacific (TWP), and the North Slope of Alaska/Adjacent Arctic Ocean (NSA/AAO). Although the

  20. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Automated Retrieval of ARM Nocturnal Cloud Properties From Multispectral Satellite Data Smith, W.L., Jr., Analytical Services and Materials, Inc.; Minnis, P., and Young, D.F., NASA Langley Research Center Eighth Atmospheric Radiation Measurement (ARM) Science Team Meeting Current retrievals of cloud properties at night from satellite imager data rely on single-channel infrared techniques to discern cloud amount and a crude estimate of cloud-top altitude. Because many clouds are semi-transparent,

  1. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Bidirectional Reflectances for Non-homogeneous Clouds: A Spectral Analysis and Scale Break Titov, G.A., Pacific Northwest National Laboratory Eighth Atmospheric Radiation Measurement (ARM) Science Team Meeting The realistic fractal model of stratocumulus clouds and 3D Monte Carlo technique are exploited to study energy spectra of bidirectional reflectances into different cones of angular width. Specifically, we focus on the effect of geometrical averaging caused by finite field-of-view (FOV) of

  2. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Cloud Fraction Retrieval Utilizing Whole Sky Imagers Tooman, T.P., Sandia National Laboratories; Moore, S., and Sowle, D., Mission Research Corporation; Shields, J., Marine Physical Laboratory Eighth Atmospheric Radiation Measurement (ARM) Science Team Meeting Long-term statistics on cloud cover and cloud thickness are desirable for understanding how clouds affect climate. We are attempting to use images collected by the Whole Sky Imager (WSI) to extract this information. For nighttime

  3. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Cloud-Radiation-Aerosol Experiment (1996) at IAPh, Russia Golitsyn, G.S., Anikine, P.P., and Sviridenkov, M.A., Obukhov Institute of Atmospheric Physics, Russian Academy of Sciences Eighth Atmospheric Radiation Measurement (ARM) Science Team Meeting In 1996, local measurements of the optical properties of the near-surface aerosol were carried out parallel with aureole measurements of the aerosol in the atmospheric column. The spectral radiation was measured by a complex of spectrometers. Global

  4. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Comparison of Atmospheric Clear-sky Shortwave Radiation Models to Collocated Satellite and Surface Measurements in Canada Jing, X., and Cess, R.D., State University of New York at Stony Brook Eighth Atmospheric Radiation Measurement (ARM) Science Team Meeting Measurements of the top of the atmosphere (TOA) reflected shortwave radiation from the Earth Radiation Budget Satellite (ERBS) have been collocated with surface insolation measurements made at 24 Canadian stations located below 57 degrees

  5. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Comparisons of Measurements of Cloud Lower Boundaries by the MPL, BLC, MMCR, BBSS and AERI Han, D., and Ellingson, R.G., University of Maryland Eighth Atmospheric Radiation Measurement (ARM) Science Team Meeting The cloud lower boundary is an important factor in radiative transfer under various cloud conditions. Several ground-based instruments at the ARM CART Central Facility, including the micro pulse lidar (MPL), the Belfort laser ceilometer (BLC), and the MilliMeter Cloud profiling Radar

  6. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Comparison of Stratus Cloud Optical Depths Retrieved from Surface and GOES Measurements over the SGP ARM Central Facility Dong, X., and Smith, W.L. Jr., Analytical Services and Materials, Inc.; Minnis, P., NASA Langley Research Center Eighth Atmospheric Radiation Measurement (ARM) Science Team Meeting For reliable application of satellite datasets in cloud process and single column models, it is important to have a reasonable estimate of the errors in the observed cloud properties. When properly

  7. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Influence of Age-Dependent Optical and Thermal Snow Properties on the Modeled Surface Temperature and Albedo in the Arctic Curry, J.A., and Schramm, J.L., University of Colorado Eighth Atmospheric Radiation Measurement (ARM) Science Team Meeting A new multi-level snow model has been developed to simulate the time-varying snow thermal and optical characteristics in response to precipitation events and snow aging. The model is forced by observations from the Russian ice islands in the Arctic

  8. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Multifractal Analysis of Column Liquid Water Above ARM's SGP Site Using Continuous Wavelet Transforms and the Maximum Modulus Formulation Roux, S.G., Marshak, A., Wiscombe, W.J., and Cahalan, R.F., NASA Goddard Space Flight Center, Climate & Radiation Branch; Davis, A.B., Los Alamos National Laboratory, Astrophysics & Radiation Measurements Group Eighth Atmospheric Radiation Measurement (ARM) Science Team Meeting A limited amount of liquid water path (LWP) data from the microwave water

  9. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Photon Counting Issues for the CART Raman Lidar Turner, D.D., Pacific Northwest National Laboratory; Whiteman, D.N., NASA/Goddard Space Flight Center Eighth Atmospheric Radiation Measurement (ARM) Science Team Meeting Static linearity tests performed in August 1997 on the high water vapor and nitrogen channels of the CART Raman lidar indicate a possible nonlinearity in these channels. Also, an error in the derived water vapor mixing ratio, which is correlated to the background light intensity,

  10. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Quantifying Mesoscale Flows in the Troposphere Demoz, B.B., Evans, K.D., Melfi, S.H., and Cadirola, M., University of Maryland, Baltimore County; Starr, D.O'C., Whiteman, D.N., and Schwemmer, G., NASA Goddard Space Flight Center; Turner, D.D., Pacific Northwest National Laboratory Eighth Atmospheric Radiation Measurement (ARM) Science Team Meeting Analysis of highly resolved water vapor mixing ratio profiles during a non-precipitating cold front and thunderstorm outflows, as measured by

  11. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Relationships Among Tropical Cloud Characteristics and Components of the Surface Heat Budget Curry, J.A., and Webster, P.J., University of Colorado; Clayson, C.A., Purdue University Eighth Atmospheric Radiation Measurement (ARM) Science Team Meeting Satellite data obtained during the TOGA COARE Intensive Observation Period (IOP) has been used to create a high resolution dataset (50 km, 3 hrs) of cloud characteristics (phase, height, precipitation) and components of the surface energy budget

  12. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    26 September 1997 CART Case Study of a Cirrus Cloud Producing a Spectacular Optical Display Sassen, K., and Mace, G.G., Department of Meteorology, University of Utah; Arnott, W.P., and Hallett, J., Desert Research Institute; Liou, K.N., and Takano, Y., Dept. Atmospheric Sciences, University of California at Los Angeles; Poellot, M.R., Atmospheric Sciences Department, University of North Dakota Eighth Atmospheric Radiation Measurement (ARM) Science Team Meeting During the September 1997 Intensive

  13. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Radiation IOP: Goals of the IOP and Sample Results Stephens, G.L., Colorado State University - Dept. of Atmospheric Science; Wiscombe, W.J., NASA Goddard Space Flight Center fellow SW IOP participants Eighth Atmospheric Radiation Measurement (ARM) Science Team Meeting From an observational perspective, our understanding of solar radiative transfer in the atmosphere has been called into question. Whereas much of the debate on solar radiative transfer centers on the topic of clouds, there are also

  14. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Vertical Distribution of Cloud Condensation Nuclei at the Oklahoma CART Site Hudson, J.G., and Xie, Y., Desert Research Institute, University of Nevada Eighth Atmospheric Radiation Measurement (ARM) Science Team Meeting The Desert Research Institute (DRI) instantaneous cloud condensation nuclei (CCN) spectrometer and a 3010 TSI CN counter were mounted on the Battelle G-1 aircraft for the ARM-IOP in September-October, 1997. The spectrometer obtained the complete CCN spectrum in more than ten

  15. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Wavelet-Based Characterization of Long-Range Correlations in 2D Liquid Water Content Fields from ARM's Cloud Radars Davis, A.B., Los Alamos National Laboratory, Astrophysics & Radiation Measurements Group; Roux, S.G., Marshak, A., Wiscombe, W.J., and Pincus, R., NASA Goddard Space Flight Center, Climate & Radiation Branch Eighth Atmospheric Radiation Measurement (ARM) Science Team Meeting We report on wavelet-based methods under development to process the cloud-radar datastreams into

  16. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    CAGEX Version 3: Tightening Shortwave Fluxes and Measurements of Surface Spectral Characteristics Alberta, T.L., Analytical Services and Materials, Inc.; Charlock, T.P., National Aeronautics and Space Administration-Langley Research Center Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting Version 3 of the CAGEX (Clouds and Earth's Radiant Energy System [CERES]/Atmospheric Radiation Measurement [ARM]/Global Energy and Water Experiment [GEWEX]) is introduced. As with Version 2

  17. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Comparison of Laboratory Ice Cloud and Cirrus Crystal Size Spectra Obtained with the FSSP and Cloudscope Arnott, W.P., Schmitt, C.G., Lowenthal, D.H., Desert Research Institute; Poellot, M.R., University of North Dakota Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting Laboratory cloud chamber measurements of ice cloud particle size spectra have been performed using three methods: a Forward Scattering Spectrometer Probe (FSSP), a video impactor or cloudscope, and inversion of

  18. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Photoacoustic Instrument for Measurement of Aerosol or Gaseous Light Absorption Arnott, W.P., Moosmuller, H., and Rogers, C.F., Desert Research Institute Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting A photoacoustic instrument has been developed and evaluated for measurement of aerosol light absorption. This instrument produces a direct measure of absorption by use of a calibrated microphone and determination of laser power, in contrast to filter methods that require

  19. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    A Compact Millimeter-Wave Radar for UAV Applications Bambha, R., Carswell, J., and Swift, C., University of Massachusetts Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting Assembly of the Compact Millimeter-wave Radar (CMR) has been completed at the University of Massachusetts, and ground-based cloud measurements have been acquired. The CMR is a 95-GHz solid-state radar intended for airborne cloud measurements. Funding for the project was provided by the Atmospheric Radiation

  20. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Fluxes for an Evolving Tropical Cloud System Barker, H.W., Atmospheric Environment Service of Canada; Fu, Q., Dalhousie University Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting Domain-averaged, broadband solar radiative budgets for an evolving tropical mesoscale convective cloud system are computed by two approximate one-dimensional (1-D) models, which make different assumptions about the structure of unresolved clouds. One model is the standard plane-parallel, homogeneous

  1. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Irradiance Using Remotely Sensed Cloud Properties From ARM's SGP Site Barker, H.W., Atmospheric Environment Service of Canada; Li, Z., Canada Centre for Remote Sensing; Clothiaux, E.E., and Ackerman, T.P., The Pennsylvania State University; Kato, S., National Aeronautics and Space Administration-Langley Research Center Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting Time series of profiles of cloud water content and droplet effective radii have been inferred from data obtained

  2. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Near Real-Time Geographic Representation of Solar Radiation Measurement Data for the Southern Great Plains Network Brady, E., Gray-Hann, P., Anderberg, M.H.L., Wilcox, S.M., and Renne, D.S., National Renewable Energy Laboratory Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting The National Renewable Energy Laboratory (NREL) will implement a web site showing the geographic representation of solar radiation for the Southern Great Plains, updated six times daily for the previous

  3. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Application of SGP Data to CERES Retrievals of Shortwave and Longwave Fluxes Charlock, T.P., Minnis, P., and Wong, T., National Aeronautics and Space Administration- Langley Research Center; Rose, F.G., Alberta, T.L., Analytical Services and Materials; Fu, Q., Dalhousie University; Hu, Y., Hampton University; Morcrette, J.-J., European Centre for Medium-Range Weather Forecasting Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting Data over the Southern Great Plains (SGP) for

  4. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Use of the MMCR to Estimate Finite-Size Cloud Effects on Longwave Radiation Cheng, Z., and Ellingson, R.G., University of Maryland Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting In a pioneering study, Han and Ellingson used the then-available Southern Great Plains (SGP) data to test models of broken cumulus clouds on the downwelling longwave flux at the surface. A major uncertainty of that study was the cloud thickness, because the thickness was inferred from radiosonde data.

  5. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Evidence of Island Effects on Nauru Cole, H., and Miller, E., National Center for Atmospheric Research Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting Nauru Island has been selected as the second Atmospheric Radiation and Cloud Station (ARCS) for the Atmospheric Radiation Measurement (ARM) Program. The utility of this site for characterizing conditions over the Tropical Western Pacific depends directly on understanding the differences between this island site and the open

  6. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Overview of FIRE Arctic Clouds Experiment Curry, J.A., and Pinto, J.O., University of Colorado Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting An overview is given of the FIRE (First ISCCP Regional Experiment) Arctic Clouds Experiment that was conducted in the Arctic from April to July 1998. The principal goal of the field experiment was to gather the data needed to examine the impact of Arctic clouds on the radiation exchange between the surface, atmosphere and space, and to

  7. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Initial Cloud Properties Derived from GMS Over the Tropical Western Pacific Doelling, D.R., Ho, S.-P., Smith, W.L., Jr., Analytical Services and Materials, Inc.; Minnis, P., National Aeronautics and Space Administration-Langley Research Center Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting Satellite data are needed to provide measurements of the earth-atmosphere shortwave (SW) albedo, outgoing longwave radiation (OLR), and cloud and surface radiative properties for the

  8. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Metadata Systems for ARM's SGP and NSA Sites Doty, K.J., Brookhaven National Laboratory Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting Members of the Atmospheric Radiation Measurement (ARM) Program's Data and Science Integration Team (DSIT) and the ARM infrastructure have worked together to design and implement a MetaData System (MDS) currently in use at the Southern Great Plains (SGP) site, and are now in the process of designing an MDS for the North Slope of Alaska (NSA)

  9. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    A New Approach for Computing Single Scattering Properties of Ice Clouds Using a Size-Shape Distribution of Spheroidal Particles Eide, H.A., and Stamnes, K., University of Alaska, Fairbanks; Stamnes, J.J., University of Bergen, Norway; Schulz, F.M., University of Rochester Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting Clouds are of paramount importance for the global energy balance and hence for our climate. In global circulation models (GCMs), designed to predict future

  10. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Statistical Use of Radar-Derived Cloud Structure in Three-Dimensional Solar Radiative Transfer Calculations Evans, F., and McFarlane, S., University of Colorado, Boulder; Wiscombe, W., National Aeronautics and Space Administration-Goddard Space Flight Center Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting The Atmospheric Radiation Measurement (ARM) Millimeter-Wave Cloud Radar (MMCR) can provide valuable information about the spatial structure of clouds, which is important for

  11. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    An Update on the TOGA-COARE Bulk Algorithm for Computing the Air-Sea Fluxes Fairall, C.W., and Hare, J.E., National Oceanic and Atmospheric Administration- Environmental Technology Laboratory Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting The Tropical Ocean Global Atmosphere-Coupled Ocean Atmosphere Response Experiment (TOGA-COARE) bulk algorithm version 2.5 was published in 1996. In this paper, we will provide an evaluation against a much larger data base. An improved fit

  12. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Annual Cycle of the Surface Energy Balance at SHEBA Fairall, C.W., Persson, P.O.G., Andreas, E.A., and Guest, P., National Oceanic and Atmospheric Administration-Environmental Technology Laboratory Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting The Surface Heat Budget of the Arctic Ocean (SHEBA) surface flux group made direct measurements of all components of the surface heat balance at the SHEBA ice camp. In this paper, we will show the smoothed balance and components from

  13. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Application and Evaluation of Accelerated Radiative Transfer Schemes in General Circulation Models Gabriel, P., Stephens, G.L., and Partain, P.T., Colorado State University Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting This phase of the research focuses on the implementation of the adjoint perturbation and selection rules based methods that have been developed as a basis for use in general circulation models (GCMs). The implementation of the approach in a GCM will be

  14. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Measurements of the Asymmetry Parameter and Volume Extinction Coefficient in Arctic Clouds Gerber, H., Gerber Scientific; Garrett, T.J., University of Washington; Hobbs, P.V., University of Washington; Platnick, S., University of Maryland, Baltimore County Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting Measurements were made with a cloud-integrating nephelometer mounted on the University of Washington's CV-580 aircraft during the Arctic Surface Heat Budget of the Arctic/First

  15. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Simulation of the Arctic Low-level Clouds Girard, E., Cooperative Institute for Research in Environmental Sciences; Blanchet, J.-P., University of Quebec at Montreal; Curry, J.A., University of Colorado Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting Simulations with a comprehensive microphysical model simulating explicitly the aerosol and the cloud spectra show the physical processes leading to the formation of winter crystalline clouds and spring mixed-phase clouds. This

  16. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Comparison of Aerosol Optical and Microphysical Characteristics at Different Regions Golitsyn, G.S., Anikine, P.P., Isakov, A.A., and Sviridenkov, M.A., Oboukhov Institute of Atmospheric Physics, Russian Academy of Sciences Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting During the last decade, spectral solar aureole measurements were carried out at different regions by the Institute of Atmospheric Physics, Russian Academy of Sciences; Tadjikistan, Oklahoma, Spitsbergen, the

  17. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Analysis of Rotating Shadowband Spectroradiometer Data from SGP Harrison, L., Min, Q., and Michalsky, J. J., Atmospheric Sciences Research Inst., State University of New York at Albany Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting We show Rotating Shadowband Spectroradiometer (RSS) optical depth spectra from the Southern Great Plains (SGP) for a range of clear-sky cases, and discuss comparisons of the spectral direct/diffuse irradiance ratios with modeled results as a test

  18. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Cloud and Radiative Properties Derived Over the ARM NSA Domain From AVHRR Data Heck, P.W., Nguyen, L., Smith, W. L., Jr., Ayers, J.K., Doelling, D.R., and Spangenberg, D.A., Analytical Services and Materials, Inc.; Minnis, P., and Young, D.F., National Aeronautics and Space Administration-Langley Research Center Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting The Atmospheric Radiation Measurement (ARM) Program's polar sites on the North Slope of Alaska (NSA) measure time

  19. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Impact of an Improved Longwave Radiation Model, RRTM, on the Energy Budget and Thermodynamic Properties of the NCAR Climate Model, CCM3 Iacono, M.J., Mlawer, E.J., and Clough, S.A., Atmospheric and Environmental Research, Inc. Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting The effect of introducing a new longwave radiation parameterization, Rapid Radiative Transfer Model (RRTM), on the energy budget and thermodynamic properties of Version 3 of the National Center for

  20. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Modeling Diamond Dust Formation and its Radiative Effects Khvorostyanov, V.I. and Curry, J.A., University of Colorado Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting Diamond dust consists of small ice crystals that are frequently observed in the lower troposphere during winter in the polar regions. Diamond dust has been hypothesized to influence surface radiation budget, formation of polar anticyclones and precipitation amount on the Antarctic Plateau Diamond. Diamond Dust is

  1. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Aerosol and Radiation Measurement Capabilities of the Battelle G-1 Aircraft Laulainen, N., Morris, V., and Hubbe, J., Pacific Northwest National Laboratory Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting The Battelle G-1 aircraft has been used in three Aerosol Intensive Observation Periods (IOPs) at the Southern Great Plains (SGP) site. The purpose of this presentation is to give an overview of current and planned capabilities of the G-1 for aerosol and radiation measurements.

  2. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Comparison of Observed and Retrieved Downwelling Surface Radiation Using ASTEX Data Lazarus, S.M., Krueger, S.K., and Frisch, A.S., University of Utah, National Oceanic and Atmospheric Administration-Environmental Technology Laboratory Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting We apply data obtained from the FIRE's (First International Satellite Cloud Climatology Project [ISCCP] Regional Experiment's) Atlantic Stratocumulus Transition Experiment (ASTEX). Estimates of the

  3. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    A Subgrid Representation of Precipitating Marine Boundary Layer Clouds Leung, L.R., and Ghan, S.J., Pacific Northwest National Laboratory; Feingold, G., Cooperative Institute for Research in the Atmosphere, Colorado State University Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting A subgrid parameterization is being developed to account for subgrid variations of precipitating marine stratocumulus clouds in general circulation models (GCMs). The method assumes an idealized form

  4. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Aerosol-Cloud-Radiation Interaction: A Comparison of GCM Results versus Surface Observations Liepert, B.G., Lamont-Doherty Earth Observatory of Columbia University; Lohmann, U., Dalhousie University, Halifax, Canada Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting The change in cloud properties due to increased anthropogenic emissions of aerosols and their precursor gases is referred to as "indirect aerosol effect." Estimates with general circulation models (GCMs)

  5. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    A Comparison of Surface- and Satellite-Derived Cloud Fractions for the ARM SGP Long, C. N., and Ackerman, T. P., The Pennsylvania State University; Minnis, P., and Smith, W. L., National Aeronautics Space Administration-Langley Research Center Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting Determinations of cloud fractions are essential for radiative energy balance studies. Only satellites afford the global coverage needed to extend these studies to global climate research.

  6. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Evidence for Aerosol Effects on AERI Clear-Sky Radiance at the SGP Ma, Y., and Ellingson, R.G., University of Maryland Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting The Atmospheric Emitted Radiance Interferometer (AERI) Line-by-Line Radiative Transfer Model (LBLRTM) Quality Measurement Experiment (QME) 10-micron window residuals have been examined relative to the Multifilter Rotating Shadowband Radiometer (MFRSR) 0.87-micron optical depth for clear-sky periods during

  7. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Cirrus Cloud and Upper Tropospheric Turbulence Properties Derived from MMCR Doppler Moments Mace, G. G., University of Utah Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting We are developing an algorithm that uses the radar reflectivity, Doppler velocity and Doppler spectral width observed in cirrus cloud layers to derive the microphysical properties of the cloud and information regarding the mean vertical air motion and turbulence. This approach assumes that the cirrus

  8. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    AVHRR Satellite Imagery for the Tropical Western Pacific and North Slope of Alaska/Adjacent Arctic Ocean Sites Minnett, P.J., and Kumar, A., University of Miami, Rosenstiel School of Marine and Atmospheric Science, Division of Meteorology and Physical Oceanography; Ma, L.L., Scientific Information Systems Group, Brookhaven National Laboratory Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting Satellite remote sensing data from the five-channel Advanced Very High Resolution

  9. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Diurnal Cycle of Cloud Microphysical Properties from GOES Over the ARM Southern Great Plains Minnis, P., and Young, D.F., National Aeronautics and Space Administration-Langley Research Center; Smith, W.L., Jr., and Heck, P.W., Analytical Services and Materials, Inc. Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting Cloud coverage, height and optical depth have been derived from the Geostationary Operational Environmental Satellite (GOES) data taken over the Atmospheric Radiation

  10. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    The Topography of Cloud Tops Pincus, R., Gunshor, M., Space Science and Engineering Center, University of Wisconsin-Madison; Marshak, A., and Wiscombe, W., National Aeronautics and Space Administration-Goddard Space Flight Center Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting The geometric shape of cloud top affects the amount and distribution of radiation reflected by the cloud. The angular redistribution is more relevant to remote sensing applications, while changes in the

  11. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Water Vapor Intensive Operating Periods: General Results, Status and Plans Revercomb, H.E., Tobin, D.C., Knuteson, R.O., and Feltz, W.F., University of Wisconsin-Madison; Turner, D.D., Pacific Northwest National Laboratory Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting Accurate measurements of atmospheric water vapor are very important for climate research and monitoring. Unexpectedly large uncertainties of sonde water vapor observations implied by Atmospheric Radiation

  12. ARM - Publications: Science Team Meeting Documents

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    Collocated Satellite, Surface and Sounding Data Emerges On-line from CAVE (CERES ARM Validation Experiment) at SGP Rose, F.G., Rutan, D.A., Smith, N.M., and Alberta, T.L., Analytical Services and Materials, Inc.; Charlock, T.P., National Aeronautics and Space Administration-Langley Research Center Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting Top-of-the-atmosphere (TOA) broadband observations from the Clouds and the Earth's Radiant Energy System (CERES) instrument on the

  13. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Anomalous Radiative Absorption and Unbounded Cascade Models of Cloud Fields Schertzer, D., and Larchevêque, M., Université P.&M. Curie, Paris, France; Lovejoy, S., McGill University; Naud, C., Blackett Laboratory, Imperial College, London Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting One of the most achieving results of Atmospheric Radiation Measurement (ARM) Program could well have been the empirical finding of the anomalous radiative absorption of the atmosphere. We

  14. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Simulation of the Annual Cycle of Surface Albedo for SHEBA Schramm, J.L., and Curry, J.A., University of Colorado Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting A single-column ice thickness distribution model is used to simulate the annual cycle of sea ice, snow and surface radiation characteristics over the Surface Heat Budget of the Arctic Ocean (SHEBA). The model is forced using surface flux data obtained at SHEBA. This poster focuses on the simulated surface albedo and

  15. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Comparison of Aircraft Observed with Calculated Downwelling Solar Fluxes During ARESE Shi, B., and Ellingson, R.G., University of Maryland Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting The focus of this study is to estimate the confidence intervals of the Atmospheric Radiation Measurement (ARM) Enhanced Shortwave Experiment (ARESE) solar radiation measurements on board the Egrett and Twin-Otter aircraft. The observational uncertainty is estimated by comparing measurements of

  16. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Whole-Sky Imager Data Retrieval Tooman, T.P., Christensen, G.J., Sandia National Laboratories; Shields, J., and Karr, M., Marine Physical Laboratory, Scripps Institution of Oceanography, University of California San Diego; Moore, S., and Sowle, D., Mission Research Corporation Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting The Whole-Sky Imager (WSI) is an automated imager used for assessing and documenting cloud fields and cloud field dynamics. Four WSI instruments have been

  17. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    The ARM Blue/Green Period: 3-Channel Color Composites of GOES-8 Data Wagener, R., and Gregory, L., Brookhaven National Laboratory, ARM External Data Center Konidaris, N., Carnegie Mellon University; Minnett, P.J., University of Miami, Rosenstiel School of Marine and Atmospheric Sciences Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting Despite the title and the general appearance of the resulting images, this is not an attempt to emulate art nor an expression of anybody's mood.

  18. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    An Anthology of Tropical Convection: Dynamical and Thermodynamical Interactions and the Organization of Large-Scale Tropical Convection Webster, P.J., Program in Atmospheric and Oceanic Sciences, University of Colorado Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting There appears to be no universal relationship between large-scale organized convection and the magnitude of sea surface temperature (SST). Convection and mean precipitation maxima are often found on the equatorward

  19. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Development of a Solar Blind Micropulse Raman Lidar for Boundary Layer Water Vapor Measurements Whiteman, D.N., Mathur, S., Nam, M., Hwang, I.H., and Prasad, C.R., National Aeronautics and Space Administration-Goddard Space Flight Center/Science and Engineering Services, Incorporated Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting Science and Engineering Services, Inc. of Burtonsville, Maryland, has studied the feasibility of constructing a Micropulse Raman Lidar for measuring

  20. ARM - Publications: Science Team Meeting Documents

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    Applications of the Aerosonde at NSA Curry, J.A. and Holland, G.J., University of Colorado Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting The first ARM Aerosonde flights at Barrow in April 1999 were not successful owing to the aircraft's inability to fly under severe icing conditions. However, we were sufficiently encouraged by these initial flights to pursue further developments to make feasible Aerosonde flights in the Arctic. NSF has funded a major project to establish

  1. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    NSDL Atmospheric Visualization Collection and the ARM Program Andrew, K. (a), Bahrmann, C.P. (b), Klaus, C. (c), and Mace, G.G. (d), Eastern Illinois University (a), University of Oklahoma (b), Argonne National Laboratory (c), University of Utah (d) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting This project will create a digital library collection based on near real-time visualization of atmospheric data from the Atmospheric Radiation Measurement (ARM) program’s Southern

  2. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Pyrgeometer Calibrations at NREL Reda, I. and Stoffel, T., National Renewable Energy Laboratory Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting The ARM Program has acquired a new Pyrgeometer Blackbody Calibration System to improve the data quality of longwave measurements from the SIRS, GNDRAD, and SKYRAD instrument platforms. Results of the acceptance tests and subsequent indoor and outdoor pyrgeometer calibrations at NREL's Solar Radiation Research Laboratory are

  3. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Inferring Optical Depth of Broken Clouds above Green Vegetation: Part II: A New Spectrometer for the SGP Site and Preliminary Results Pavloski, C.F. (a), Clothiaux, E.E. (a), Barker, H.W. (b), and Marshak, A. (c), The Pennsylvania State University (a), Environment Canada (b), NASA-Goddard Space Flight Center (c) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting A new instrument is presented that was designed specifically for retrieval of high temporal-resolution cloud optical

  4. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Convective Triggering/Capping Inversions in the Southern Great Plains Cripe, D.G. (a) and Randall, D.A. (b), Colorado State University Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting An algorithm for determining Generalized Convective Available Potential Energy (GCAPE) has been developed at Colorado State University. This particular algorithm differs from other CAPE-determining algorithms in that convective clouds are allowed to originate at multiple levels, and the effects

  5. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Evaluating Stochastic Radiative Transfer Lane, D.E. (a), Somerville, R.C.J. (b), and Iacobellis, S.F. (b), CIRES, University of Colorado, Boulder (a), Scripps Institution of Oceanography, University of California, San Diego (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Stochastic modeling is a promising technique for representing shortwave radiative transfer through scattered, low-level clouds. A distinct advantage of this approach is that a stochastic model can

  6. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Radiative Transfer in a Medium Containing Non-spherical Particles: Applications to the Atmosphere Eide, H.A. and Stamnes, K., Stevens Institute of Technology Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting We present results obtained for problems involving energy transmission in a medium containing non-spherical particles, specifically for the case of light propagating in the atmosphere-ocean system. We have developed new algorithms that enables us to solve rigorously the

  7. ARM - Publications: Science Team Meeting Documents

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    Seasonal Variability in Cloud Cover, Cloud Base Height, and Cloud Liquid Water Content at the North Slope of Alaska and the Adjacent Arctic Ocean Storvold, R. (a), Stamnes, K. (b), Marty, C. (a), and Zak, B.D. (c), University of Alaska Fairbanks (a), Stevens Institute of Technology (b), Sandia National Laboratories (c) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting There is great seasonal variability in cloud cover, cloud base height, and cloud liquid water in the Arctic.

  8. ARM - Publications: Science Team Meeting Documents

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    A Parameterization of the Statistical Moments of Total Water for Large-Scale Models Klein, S.A. (a), Tompkins, A. (b), and Pincus, R. (c), NOAA/GFDL (a), ECMWF (b), NOAA-CIRES Climate Diagnostics Center (c) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting The physical realism of cloud simulations in large scale models is severely compromised by the unphysical tuning of model parameters. Tuning is required so that simulations of the current climate are realistic, but this

  9. ARM - Publications: Science Team Meeting Documents

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    Parameterizing the Radiative Properties of Midlatitude Clouds Sassen, K. (a), Comstock, J.M. (b), and Wang, Z. (a), University of Utah (a), Pacific Northwest National Laboratory (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting A major goal of the ARM program is to obtain the requisite information needed to improve the treatment of the radiative effects of clouds in large-scale models that ultimately must be relied on to predict the impact of human-induced activities on

  10. ARM - Publications: Science Team Meeting Documents

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    Mapping of Surface Reflectance over the Southern Great Plains Region from Multiple Satellites Trishchenko, A.P.(a), Li, Z. (a,b), and Park, W. (a), Canada Centre for Remote Sensing, Ottawa, Canada (a), Now at ESSIC, Department of Meteorology, College Park (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting The ground-based ARM observations are limited to a handful of locations sparsely distributed in the South Great Plains (SGP). Mapping of surface narrow and broadband

  11. ARM - Publications: Science Team Meeting Documents

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    Seasonal Variability in Cloud Cover, Cloud Base Height, and Cloud Liquid Water Content at the North Slope of Alaska and the Adjacent Arctic Ocean Takara, E.E. and Ellingson, R.G., University of Maryland Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting It is well known that complete radiative transfer calculations for broken cloud fields are extremely complex and time consuming. Furthermore, the solution for a particular broken cloud field is not particularly useful for

  12. ARM - Publications: Science Team Meeting Documents

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    Sensitivity and Uncertainty in the Retrieval of Aerosol Optical Depth due to Unknown Optical Properties in Smoke Aerosols Li, Z. (a,b) and Wong, J. (a,c), Canada Centre for Remote Sensing (a), Now at ESSIC, Department of Meteorology (b), Now at Nortel (c) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Aerosol is a major variable affecting radiative transfer process. Many attempts have been made to retrieve aerosol optical depth from satellite measurements. The retrieval is

  13. ARM - Publications: Science Team Meeting Documents

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    Formation of Fair-Weather Cumuli Zhu, P. and Albrecht, B., University of Miami Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting This study includes two related parts. In the first part, The formation of fair-weather cumuli has been analyzed based on both a simple mixed layer model and the data collected from the Atmospheric Radiation Measurement (ARM) program at the Southern Great Plains (SGP) site. By analyzing the conditions for the formation of fair-weather cumuli, we

  14. ARM - Publications: Science Team Meeting Documents

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    Comparison of MM5 Forecast Shortwave Radiation with ARM SGP Data Armstrong, M.A. and Ellingson, R.G., University of Maryland Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting The performance of the Pennsylvania State University-National Center for Atmospheric Research Mesoscale Model 5 (MM5), in particular the shortwave downwelling (SW) flux calculations, is examined in this paper. Selected quantities output from the MM5 were compared with ARM SGP data gathered during the SCM

  15. ARM - Publications: Science Team Meeting Documents

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    Differences in Cloud Characteristics at Barrow and Atqasuk at the NSA/AAO CART Doran, J.C., Barnard, J.C., Zhong, S., and Jakob, C., Pacific Northwest National Laboratory Pacific Northwest National Laboratory, European Centre for Medium-Range Weather Forecasting Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Data obtained from multifilter rotating shadowband radiometers (MFRSRs) and microwave radiometers (MWRs) have been used to examine the differences in the cloud

  16. ARM - Publications: Science Team Meeting Documents

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    Moisture Sources for Tropical Cirrus Boehm, M. T., Lee, S., and Verlinde, J., The Pennsylvania State University Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Thin cirrus layers are a prevalent feature of the upper tropical troposphere. Observations reveal that these clouds frequently have long lifetimes and cover large areas in the tropics, despite the continual loss of ice crystals to precipitation from the cloud layer. Observations also reveal that deep convection, the

  17. ARM - Publications: Science Team Meeting Documents

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    An Integrated Algorithm for Retrieving Non-precipitating Stratus Cloud Microphysical Properties Using Millimeter Radar and Microwave Radiometer Data Dong, X. and Mace, G.G., University of Utah Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting A new algorithm has been developed to retrieve the vertical profiles of cloud microphysical properties using the ground- based measurements of cloud radar, laser ceilometer, and microwave and solar radiometers. A relationship between

  18. ARM - Publications: Science Team Meeting Documents

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    Arctic Stratus Cloud Properties Deduced from Ground-Based Measurements at the DOE ARM NSA Site Dong, X. and Mace, G.G., University of Utah Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting The Arctic plays a major role in global climate change and has considerable influence on the middle latitude belt. The Arctic affects the global climate directly through interactions between its atmosphere, ice cover, land surface and ocean, and through complex coupled feedbacks. To provide

  19. ARM - Publications: Science Team Meeting Documents

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    Cloud Property Retrieval Using Combined Ground-Based Remote Sensors Wang, Z. and Sassen, K., University of Utah Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting The Atmospheric Radiation Measurements Program (ARM) is making measurements with diverse ground-based remote sensors. To provide more complete and accurate cloud information, it is necessary to combine diverse measurements because of the different capabilities of various sensors. In this study, a remote sensing cloud

  20. ARM - Publications: Science Team Meeting Documents

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    Passive Remote Sensing of Aerosol Properties from Aircraft Measurements Over the SGP Cairns, B. (a), Lacis, A.A. (b), Carlson, B.E. (b), Alexandrov, A. (a), and Barnard, J.C. (c), Columbia University (a), NASA Goddard Institute for Space Studies (b), Pacific Northwest National Laboratory (c) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting The principal difficulties in retrieving aerosol loadings and microphysical properties using passive remote sensing measurements over

  1. ARM - Publications: Science Team Meeting Documents

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    NSDL Community Development for Learners Utilizing ARM Data Andrew, K. (a), Klaus, C. (b), Mace, G.G. (c), McCollum, T. (d), and Gobble, T. (e), Eastern Illinois University (a), Argonne National Laboratory (b), University of Utah (c), Charleston Middle School (d), Carl Sanburg High School (e) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting As part of the NSF National Science Digital Library (NSDL) project in Science, Mathematics, Engineering, and Technology Education (SMETE)

  2. ARM - Publications: Science Team Meeting Documents

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    High Spectral Resolution Lidar Measuremetns of Ice Water Content: Approach and Initial Progress Eloranta, E.W., Kuehn, R.E., and Holz, R.E, University of Wisconsin-Madison Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting More accurate methods to measure the ice water content of cirrus clouds are needed. We propose to attempt this difficult measurement using the University of Wisconsin High Spectral Resolution Lidar (HSRL) and radar observations. The HSRL provides calibrated

  3. ARM - Publications: Science Team Meeting Documents

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    Radiation Parameterization for Three-Dimensional Inhomogeneous Cirrus Clouds: Application to Climate Models Gu, Y. and Liou, K.N., University of California, Los Angeles Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting A three-dimensional (3D) radiative transfer model has been developed to simulate the transfer of solar and thermal infrared radiation in inhomogeneous cirrus clouds. The model utilizes a diffusion approximation approach (four-term expansion in the intensity)

  4. ARM - Publications: Science Team Meeting Documents

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    Retrieval of Cirrus Particle Sizes Using a Spit-Window Technique: A Sensitivity Study Fu, Q. (a) and Sun, W.B. (b), University of Washington (a), Dalhousie University (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting The 8 - 12 um atmospheric window is an important spectral region for the remote sensing of the earth-atmosphere system. Since clouds are the major regulator of the global radiative energy budget, numerous methods have been developed to detect clouds and cloud

  5. ARM - Publications: Science Team Meeting Documents

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    Cloud and Surface Properties Derived from AVHRR over Arctic Ocean: Comparison with Surface Measurement and In-Situ Aircraft Data Xiong, X. (a,d), Storvold, R. (a), Marty, Ch. (a), Stamnes, K. (b), Li, W. (b), and Lubin, D.(c), Geophysical Institute, University of Alaska Fairbanks (a), Steven Institute of Technology (b), Scripps Institution of Oceanography-University of California, San Diego (c), QSS Group Inc. (d) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Based on an

  6. ARM - Publications: Science Team Meeting Documents

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    The Impact of a Revised Treatment of Cirrus Microphysics on the Radiation Budget of the Unified Model Edwards, J.M. (a), Mitchell, D.L. (b), Ivanova, D. (b), and Wilson, D.R. (a), Met Office, Hadley Centre for Climate Prediction and Research (a), Desert Research Institute (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting The Unified Model is used for both NWP and climate simulations at the Met Office. A parametrization of ice crystals as planar polycrystals was recently

  7. ARM - Publications: Science Team Meeting Documents

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    Comparison of Measurements of Liquid Water Path Lane, D.E. (a), Fairall, C.W. (b), Hazen, D. (b), and Orr, B. (b), Cooperative Institute for Research in Environmental Science, University of Colorado, Boulder (a), Environmental Technology Laboratory, National Oceanic and Atmospheric Administration, Boulder (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Investigation of ship-based microwave radiometer observations from the equatorial Pacific during EPIC 99 indicated

  8. ARM - Publications: Science Team Meeting Documents

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    A Summary of Cases Sampled During the 2000 Cloud IOP Sonntag, K. and Mace, G.G., University of Utah Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Quantities related to three-dimensional distribution of cloudiness remain difficult to parameterize. Cloud properties are important in assessing the radiative heating profile and advective tendencies of condensate. Currently, the volumetric distribution of clouds can only be approximated through various assumptions. Data

  9. ARM - Publications: Science Team Meeting Documents

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    On the Consistency Between the Various Radiometric Measurements of ARESE II Oreopoulos, L. (a), Cahalan, R. F. (b), and Marshak, A. (a), UMBC-JCET (a), NASA-GSFC (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting The Unmanned Aerospace Vehicle (UAV) Program conducted an ARM Enhanced Shortwave Experiment (ARESE) II Intensive Operational Period (IOP) at the Southern Great Plains site from February 21 through April 15, 2000. The purpose of ARESE II was to address unresolved

  10. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    A New Ship-Based Facility for Cloud and Radiation Measurements on the Cruise Liner the "Explorer of the Seas" Albrecht, B., Minnett, P. J., and Brown, O., University of Miami, Rosenstiel School of Marine and Atmospheric Sciences Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Atmospheric and oceanic laboratories have been constructed on Royal Caribbean Cruise Lines (RCCL) "Explorer of the Seas". A suite of instruments on this 140,000-ton ship was

  11. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Cirrus Parcel Model Comparison Project Phase 1 Lin, R.-F. (a), Starr, D. (b), DeMott, P. (c), Cotton, R. (d), Sassen, K. (e), and Jensen, E. (f), University of Maryland - Baltimore County (a), NASA Goddard Space Flight Center (b), Colorado State University (c), UKMO Meteorological Research Flight (d), University of Utah (e), NASA Ames Research Center (f) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting The Cirrus Parcel Model Comparison is a project of the GEWEX Cloud System

  12. ARM - Publications: Science Team Meeting Documents

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    Sensitivity of Radiative Fluxes to the Sophistication of Microphysical Treatment Using a Single-Column Model and ARM Observations Iacobellis, S.F. (a), Mitchell, D.L. (b), and Somerville, R.C.J. (a), Scripps Institution of Oceanography (a), Desert Research Institute (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Recent work indicates that differences between methods for treating the single scattering properties of ice particles may be small relative to microphysical

  13. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Photon Pathlength Distributions Inferred from the RSS at the ARM SGP Site Min, Q. and Harrison, L.C., ASRC, SUNY at Albany Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting A retrieval method of photon pathlength distribution using Rotating Shadowband Spectroradiometer (RSS) measurements in the oxygen A-band and water vapor band is presented. Given the resolution of the new generation RSS, we are able to retrieve both mean and variance of photon pathlength distributions.

  14. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Results from Moderate Resolution Cloud Irradiance Measurements During ARESEII Pilewskie, P. (a), Gore, W.J. (a), Rabbette, M. (b), Pommier, J. (b), Howard, S. (c), and Bergstrom, R. (b), NASA Ames Research Center (a), Bay Area Environmental Research Institute (b), Symtech Corporation (c) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting During the ARESEII experiment upwelling and downwelling spectral irradiance measurements were made on board the Sandia Twin Otter and at the

  15. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    AERI Derived Cirrus Cloud Optical Depth Retrievals DeSlover, D.H. and Knuteson, R.O., University of Wisconsin - Madison Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Data from AERI, micro-pulse lidar (MPL), and radiosonde launches are combined to derive cirrus cloud optical depth for a series of 18 AERI spectral microwindows. In house automation allows single layer cirrus to be evaulated through interpolation of LBLRTM transmittance and radiosonde measured temperature to

  16. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Radiative Cooling by Stratospheric Water Vapor: GCM Treatment vs. Observations Lacis, A.A. (a) and Oinas, V. (b), NASA Goddard Institute for Space Studies Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting The stratosphere has been cooling over the past two to three decades by about 1-2 K/decade. Recent attempts to reconcile decadal trends in climate data and climate model simulations suggest that stratospheric water vapor is potentially an important contributor to the

  17. ARM - Publications: Science Team Meeting Documents

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    Tropical Cloud Radiative Forcing and the Large-Scale Atmospheric Energy Transport Tian, B. (a) and Ramanathan, V. (b), Scripps Institution of Oceanography, UCSD Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Moist static energy is exported within the atmosphere column, from equatorial latitudes to the subtropics by the Hadley circulation and from the western Pacific warm pool to the eastern Pacific cold tongue by the Walker circulation. It is the net energy fluxes into the

  18. ARM - Publications: Science Team Meeting Documents

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    The Use of the ARM WSI to Estimate the Atmospheric Optical Depth at Night Musat, I.C. and Ellingson, R.G., University of Maryland Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting The shortwave extinction by atmospheric constituents can be studied during the night, with the light of stars as a radiation source, using the ARM Whole Sky Imager (WSI). The digital images obtained with the WSI are processed to infer the star radiance at the TOA and the broadband atmospheric

  19. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Radiosonde Intercomparison During the Fall 2000 Water Vapor IOP Lesht, B.M. (a) and Richardson, S.J. (b), Argonne National Laboratory (a), University of Oklahoma (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting We conducted 160 dual-radiosonde soundings during the fall 2000 Water Vapor Intensive Operations Period (WVIOP). The soundings were done every three hours at the SGP/CART site central facility from 1430 on 18 September 2000 through 1130 on 8 October 2000. The dual

  20. ARM - Publications: Science Team Meeting Documents

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    The Solar Spectrum 360 to 1050 nm from Rotating Shadowband Spectroradiometer (RSS) Measurements at the Southern Great Plains Site Harrison, L.C., Berndt, J.L., Kiedron, P.W., Michalsky, J.J., Min, Q., and Schlemmer, J., Atmospheric Sciences Research Center, State University of New York, Albany Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Two years of Langley extrapolations made from the Southern Great Plains (SGP) site of the Atmospheric Radiation Measurement (ARM)

  1. ARM - Publications: Science Team Meeting Documents

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    Characterizing the Quality of Microwave Radiometer Measurements and Retrievals Using Time Series Analyses Ivanova, K. (a), Clothiaux, E.E. (a), Shirer, H.N. (a), Ackerman, T.P. (b), Liljegren, J.C. (c), and Ausloos, M. (d), The Pennsylvania State University (a), Pacific Northwest National Laboratory (b), Argonne National Laboratiry (c), University of Liege, Liege, Belgium (d) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Time series of microwave radiometer brightness

  2. ARM - Publications: Science Team Meeting Documents

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    Cloud Height Statistics Derived from ARM Millimeter Cloud Radar Kato, S. (a), Clothiaux, E.E. (b), and Xu, K.-M. (c), Hampton University (a), Pennsylvania State University (b), NASA Langley Research Center(c) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting The probability of occurrence of the cloud top height for a given altitude and relation to the geometrical cloud thickness are derived from radar reflectivity factor taken by a millimeter cloud radar operated at ARM

  3. ARM - Publications: Science Team Meeting Documents

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    Using a MFRSR to Calculate Direct and Diffuse Broadband Measurements from Global Broadband Measurements Cornwall, C.R. (a,b), Hodges, G.B. (a,b), and DeLuisi, J.D. (b), University of Colorado Cooperative Institute for Research in Environmental Sciences (a), NOAA Air Resources Lab (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Research Objective: To infer values of direct solar irradiance using data from a Multi-Filter Rotating Shadowband Radiometer (MFRSR) and a

  4. ARM - Publications: Science Team Meeting Documents

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    Impact of Clouds on the Atmospheric Absorption of SW - Comparing Theory and Observation at SGP Rose, F.G. (a), Charlock, T.P. (b), and Rutan, D.A. (a), Analytical Services & Materials Inc. (a), NASA Langley Research Center (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting This group, and also Li and Trishchenko, have earlier determined the cloud forcing to the atmospheric absorption of SW by combining surface data at SGP with CERES at TOA. Detailed analysis of our

  5. ARM - Publications: Science Team Meeting Documents

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    Analysis of Globally Predicted Upper Tropospheric Water Vapor Fields Using HIRS Radiances Delamere, J.S. (a), Iacono, M.J. (a), Mlawer, E.J. (a), Cady-Pereira, K. (a), Clough, S.A. (a), Stamnes, K. (b), and Bates, J.J. (c), Atmospheric and Environmental Research Inc. (a), Stevens Institute of Technology (b), Environmental Technology Laboratory, NOAA (c) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting A new radiation module has been developed which computes radiances

  6. ARM - Publications: Science Team Meeting Documents

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    Subgrid-Scale Vertical Transport of Moisture and Energy Over the ARM SGP: Analysis of Measurements and Parameterizations in Cumulus Convection Schemes Zhang, M.H., State University of New York Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Variational analyses of the ARM upper-air measurements are used to derive the subgrid scale vertical transport of moisture and energy in the atmosphere. I will report that subgrid upward transport of energy within ARM SGP domain, as a

  7. ARM - Publications: Science Team Meeting Documents

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    Comparison of ARM Cloud Property Observations with CRM Simulations Xu, K.-M. (a), Cederwall, R.T. (b), Xie, S.C. (b), and Yio, J.J. (b), NASA Langley Research Center (a), Lawrence Livermore National Laboratory (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting The cloud property observations are compared with cloud-resolving model simulated cloud properties in this study, using the Summer 1997 Intensive Observation Period (IOP) data of the ARM program. Midlatitude

  8. ARM - Publications: Science Team Meeting Documents

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    Infrared Interferometric Measurements of the Air-Sea Temperature Difference Minnett, P.J., Rosenstiel School of Marine and Atmospheric Science, University of Miami Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Marine Atmosphere Emitted Radiance Interferometers (M-AERI) have been mounted on several research ships on cruises in the world?s oceans, several in the areas of the ARM TWP and NSA-AAO sites. Accurate measurements of the skin sea-surface temperature and

  9. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Inferring Optical Depth of Broken Clouds above Green Vegetation. Part I:Methodology for Surface- and Aircraft-based Observations Barker, H.W. (a), Marshak, A. (b), Pavloski C.F. (c), and Clothiaux E.E.(c), Environment Canada (a), UMBC/JCET (b), The Pennsylvania State University (c) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting A method for inferring cloud optical depth is introduced and assessed using simulated radiometric measurements produced by a 3D Monte Carlo

  10. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Radiative Forcing of Arctic Boundary Layers During SHEBA Pinto, J.O., Mirocha, J., Reeder, R.A., and Curry, J.A., University of Colorado Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Field measurements obtained during the Surface Heat Budget of the Arctic (SHEBA) experiment are used to ascertain the importance of radiation in the evolution of the Arctic boundary layer. Radiation effects the boundary layer structure through the vertical flux divergence of longwave and

  11. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Comparison of Boundary Layer Cloud Properties using Surface and GOES Measurements at the ARM SGP Site Dong, X. (a), Minnis, P. (b), Smith, W.L., Jr. (b), and Mace, G.G. (a), University of Utah (a), NASA Langley Research Center (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Boundary layer cloud microphysical and radiative properties derived from GOES data during March 2000 cloud IOP at ARM SGP site are compared with simultaneous surface-based observations. The

  12. ARM - Publications: Science Team Meeting Documents

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    GPS Measured Water Vapor Variability at the ARM SGP CF Braun, J. (a), Rocken, C. (a), and Schmid, B. (b), UCAR (a), BAER (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Ground based Global Positioning System (GPS) stations can measure precipitable water vapor (PWV) and slant water vapor (SWV). SWV is the integrated amount of water vapor along the slant path from the GPS transmitter to the station. The ARM program has sponsored the University Corporation for Atmospheric

  13. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Applications of a Reference Sonde System in the ARM Program Wang, J., Carlson, D.J., and Cole, H.L., National Center for Atmospheric Research (NCAR) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting A reference sonde system is proposed to be developed at the Atmospheric Technology Division (ATD) at NCAR. The reference sonde will use current best sensors, will have a flexible infrastructure and can be easily adapted to many types of sensors and many modes of deployment. In

  14. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Microphysical and Radiative Parameters of Stratus Clouds in ARESE II Austin, R.T. (a), Davis, J.M. (a), Miller, S.D. (b), and Stephens, G.L. (a), Colorado State University, Fort Collins (a), Naval Research Laboratory, Monterey, California (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Measurements by airborne cloud radar and passive instruments such as the CSU Scanning Spectral Polarimeter (SSP) during the recent ARESE II field campaign at the Southern Great Plains

  15. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Stratus Microphysical Parameters Using Radar and Visible Optical Depth Austin, R.T. and Stephens, G.L., Colorado State University, Fort Collins Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting A new algorithm for the retrieval of stratus cloud microphysical parameters was introduced last year and applied to measurements of maritime stratus clouds off the coast of California. The retrieval has been refined and applied to data from the Southern Great Plains CART site, as well

  16. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Long Term AERI Data Summaries or Spectral Radiance Data for Testing Climate Models Tobin, D., Revercomb, H., Knuteson, R.O., Best, F., Dedecker, R., Howell, H.B., Garcia, R., and Feltz, W., University of Wisconsin-Madison Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Atmospheric Emitted Radiance Interferometer (AERI) data collection has been on-going at the SGP, NSA, and TWP ARM sites for a number of years now. This poster presents long term trends and distributions of

  17. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Improved Surface Emissivities Derived from Multispectral Satellite Data Over the ARM SGP Smith, W.L., Jr., Minnis, P., and Young, D.F., NASA Langley Research Center Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Surface emissivity is an important parameter for many remote sensing applications but is difficult to determine because it requires an accurate specification of the surface skin temperature. Because of this, laboratory estimates of the emissivity of pure surfaces

  18. ARM - Publications: Science Team Meeting Documents

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    An Overview of Water Vapor IOP (WVIOP) 2000 and ARM/FIRE Water Vapor EXperiment (AFWEX) Tobin, D., Revercomb, H., and Turner, D.D., University of Wisconsin-Madison Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting WVIOP 2000 and AFWEX, two field experiments with focus on the accuracy of ARM water vapor measurements, have recently been conducted. WVIOP 2000, the third in a series of WVIOPs which have studied the accuracy of lower tropospheric water vapor measurements, ran from

  19. ARM - Publications: Science Team Meeting Documents

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    Data Analysis and Quality Control Software for ARM Datasets Moore, S.T., Sowle, D.H., and Fisk, M., Mission Research Corporation Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Mission Research Corporation (MRC) is developing software to automatically detect data anomalies present in various ARM data products. We attempt to accomplish this by subjecting the data to a number of tests, some consisting of general statistical tests, and some specific to an instrument. We also

  20. ARM - Publications: Science Team Meeting Documents

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    An Improved Technique for Producing MPL Backscatter Profiles Properly Characterized at All Ranges Flynn, C.J. and Powell, D.M., Pacific Northwest National Laboratory Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting An important part of ARM's mission is the quantitative study of the effect of clouds and aerosol on radiative transfer and the energy budget. Micropulse Lidar (MPL) are an integral component of the ARM Program's measurement strategy with one deployed at each of

  1. ARM - Publications: Science Team Meeting Documents

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    A Comparison of Aerosol Optical Properties from the Cimel Sunphotometer and the Whole Sky Imager Ricchiazzi, P. and Gautier, C., University of California, Santa Barbara Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting The Cimel sun photometer (CSPOT) is currently providing estimates of aerosol optical thickness, size distribution and phase function at the CART site. However, the accuracy of these retrievals -- particularly of the size distribution and phase function -- has

  2. ARM - Publications: Science Team Meeting Documents

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    Parameterization of the Longwave Radiative Effects of Mineral Aerosols Dufresne, J.L. (a,b), Gautier,C. (a), and Ricchiazzi,P. (a), ICESS, University California Santa Barbara (a), LMD/CNRS, Paris, France (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Observations and models have demonstrated the importance of radiative forcing by mineral aerosols on the Earth's energy budget. However, relatively little is known about how these aerosols affect atmospheric circulation

  3. ARM - Publications: Science Team Meeting Documents

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    Mean 3D Radiative Transfer in Cloudy Columns: Further Empirical Evidence for Propagation Kernels with Power-Law Tails Davis, A.B. (a), Marshak, A. (b), and Barker, H.W. (c), Los Alamos National Laboratory (a), NASA Goddard Space Flight Center (b), Meteorological Service of Canada (c) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting For reasons of computational efficiency, current radiation parameterizations in GCMs are uniformly based on analytical 2-stream solutions of the

  4. ARM - Publications: Science Team Meeting Documents

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    GCM Parameterization of Bimodal Size Spectra for Mid-Latitude Cirrus Clouds Ivanova, D. (a), Mitchell, D.L. (a), Arnott, P.W. (a), and Poellot, M. (b), Desert Research Institute (a), Dept. of Atmospheric Science, Univ. of North Dakota (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting This is a new mid-latitude cirrus parameterization, based on our current analysis of 996 bimodal size distributions(SDs), obtained from 17 flights, representative for 17 case studies during

  5. ARM - Publications: Science Team Meeting Documents

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    Intraseasonal Variation Observed from Multi-Infrared Channel Inoue, T., Meteorological Research Institute Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Intraseasonal variations (MJO) of convective cloud, sea surface temperature (SST) and water vapor information are studied using three infrared channels (6.7, 11, 12 um). Split window(11 and 12 um) can classify optically thin ice cloud and optically thick cloud. Further SST and water vapor information can be retrieved from

  6. ARM - Publications: Science Team Meeting Documents

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    Effective Diameter in Radiation Transfer: Definition, Applications and Limitations Mitchell, D. L., Desert Research Institute Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Although the use of an effective radius for radiation transfer calculations in water clouds has been common for many years, the export of this concept to ice clouds has been fraught with uncertainty. A consensus appears to be building that a general definition of effective diameter, Deff, should involve

  7. ARM - Publications: Science Team Meeting Documents

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    Implementation and Assessment of the Cloud Overlap Scheme in the CSU Two-Stream Radiative Transfer Model\ Partain, P.T., Gabriel, P.M., and Stephens, G.L., Colorado State University Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Most radiative transfer models intended for use in a general circulation model (GCM) cannot include the effect of cloud heterogeneity without the use of a cloud overlap scheme. As observed by the ICRCCM III intercomparison, the radiative flux and

  8. ARM - Publications: Science Team Meeting Documents

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    An Assessment of the Change in Temperature Structure Associated with Carbonaceous Aerosols Penner, J.E. (a), Zhang, S.Y. (a), and Chuang, C.C. (b), University of Michigan (a), Lawrence Livermore National Laboratory (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Carbonaceous aerosols from anthropogenic activities can act to both scatter and absorb solar radiation. The absorption of solar radiation acts to heat the atmospheric layer containing the aerosol. If sufficient

  9. ARM - Publications: Science Team Meeting Documents

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    Terminal Velocities of Droplets and Crystals: Power Laws with Continuous Parameters Over the Size Spectrum Khvorostyanov, V.I. and Curry, J.A., University of Colorado Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting This paper presents a unified treatment of cloud particle fall velocities Vt for both liquid and crystalline cloud particles over the entire size range observed in the atmosphere. The fall velocity representation is formulated in terms of the Best (or Davies)

  10. ARM - Publications: Science Team Meeting Documents

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    Diurnal Cycle of Convection, Clouds, and Water Vapor in the Tropical Upper Troposphere Soden, B.J., NOAA/GFDL Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting The presence of large diurnal variations in convection over the tropics is well documented. The amplitude of the diurnal cycle is typically largest over land areas, but important variations are also observed over oceans. Precipitation, for example, generally peaks in the early evening over tropical land regions and in

  11. ARM - Publications: Science Team Meeting Documents

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    Effects of Pyrgeometer Dome Heating on Calculated Longwave Radiation Richardson, S.J., University of Oklahoma Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Measurements from the Eppley Precision Infrared Radiometer (PIR) can be corrected for dome heating when the dome temperature is known. Traditionally, a single temperature sensor is installed at the base of the PIR dome and is used for the correction. In the correction it is assumed that the entire dome is at the same

  12. ARM - Publications: Science Team Meeting Documents

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    Water Vapor Profiling During WVIOP#3 and AFWEX2000 Using Ground-Based Differential Absorption Lidar Boesenberg, J. (a), Linne, H. (a), Jansen, F. (a), Ertel, K. (a), Lammert, A. (a), and Wilkerson, T. (b), Max-Planck-Institut fuer Meteorologie, Hamburg (a), Utah State Univerity (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting The differential absorption lidar (DIAL) system of the MPI participated in both the WVIOP#3 and AFWEX2000 experiments. It was operated on 11 days

  13. ARM - Publications: Science Team Meeting Documents

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    Comparison of Spectral and Broadband Measurements of Surface Flux with Model Calculations on Clear Days at the ARM SGP Site Arking, A. (a), Liu, F. (a), Harrison, L. C. (b), Pilewskie, P. (c), and Chou, M.-D. (d), Johns Hopkins University (a), State University of New York, Albany (b), NASA Ames Research Center (c), NASA Goddard Space Flight Center (d) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Observations of spectral and broadband solar irradiance at the ARM/SGP site

  14. ARM - Publications: Science Team Meeting Documents

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    Preliminary Analysis of Horizontal Inhomogeneity for ARESE II Clouds Marshak, A. (a), Wiscombe, W.J. (b), Davis, A.B. (c), and Pilewskie, P. (d), UMBC/JCET (a), NASA/GSFC (b), LANL (c), NASA/Ames (d) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting ARM Enhanced Shortwave Experiment (ARESE) II was conducted at the SGP site from February 21 through April 15, 2000. The identical set of radiometers simultaneously measured the broadband and narrowband fluxes, as well as spectral

  15. ARM - Publications: Science Team Meeting Documents

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    Application of a Non-local Turbulence Closure Scheme to a Single Column Model Ghan, S.J. (a) and Moeng, C.-H. (b), Pacific Northwest National Laboratory (a), National Center for Atmospheric Research (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting A non-local countergradient transport term is added to a turbulence kinetic energy scheme embedded in a single column model (SCM). The countergradient term is expressed in terms of a planetary boundary layer (PBL) velocity

  16. ARM - Publications: Science Team Meeting Documents

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    Terra Validation Opportunities with ARM Data: A Summary of Overpasses and Ground-Based Validation Products Mace, G.G., Benson, S., Vernon, E.N., and Zhang, Y., Department of Meteorology, Univeristy of Utah Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting The flagship spacecraft of the EOS program, Terra, was launched into polar orbit in December 1999. Terra has been generating science quality data since about February 2000. Instruments on Terra include the mid and high

  17. ARM - Publications: Science Team Meeting Documents

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    A Comparison of Tropical and Midlatitude Cirrus Microphysical Properties Using ARM Data Mace, G.G. (a), Vernon, E.N. (a), Zhang, Y. (a), Comstock, J.M. (b), and Ackerman, T.P. (b), Department of Meteorology, University of Utah (a), Pacific Northwest National Laboratory (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting With the complement of active and passive remote sensors at the four sites, the ARM program has generated (and continues to generate) an extensive cirrus

  18. ARM - Publications: Science Team Meeting Documents

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    The Bulk Properties of Mid Latitude Cirrus Events: Sensitivity to Large Scale Controlling Factors Vernon, E.N. and Mace, G.G., Department of Meteorology, Unviversity of Utah Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting The extensive cirrus record recored in the ARM data is being used to investigate the sensitivity of certain cirrus properties to the large scale meteorology. Using millimeter cloud radar (MMCR) data from the Southern Great Plains site, a statistical

  19. ARM - Publications: Science Team Meeting Documents

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    Results of the Atmospheric Aerosol Condensation Activity Studies Isakov, A.A. and Golitsyn, G.S., A.M.Obukhov Institute of Atmospheric Physics Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Some new results are presented. of investigations of optical and microphysical characteristics of the atmospheric surface layer aerosol by means of spectropolarimeter The daily measurements were carried out in February - April 2000 at the Zvenigorod Scientific Station of the Institute

  20. ARM - Publications: Science Team Meeting Documents

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    An Assessment of Upper Tropospheric Humidity Measurements at the ARM SGP/CART Site Soden, B.J. (a), Turner, D.D. (b), and Goldsmith, J.E.M. (c), NOAA/GFDL (a), Pacific Northwest National Laboratory (b), Sandia National Laboratories (c) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Upper tropospheric water vapor plays a key role in regulating the flow of radiation through clear skies and the formation and dissipation of clouds. Unfortunately, due to the difficulty of

  1. ARM - Publications: Science Team Meeting Documents

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    Narrowband, Narrow Field-of-View Fast Infrared Filter Radiometry: Future Operation at CART Sites and Some Aspects of Water Vapor Absorption and Emission Platt, C.M.R. (a), Bennett, J.A. (b), Petraitis, B. (b), Austin, R.T. (a), and Young, S.A. (b), Colorado State University, Fort Collins (a), CSIRO Atmospheric Research, Aspendale, Australia (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting An infrared filter radiometer is being installed at the SGP CART site early in

  2. ARM - Publications: Science Team Meeting Documents

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    Aerosol Enhancement of Cloud Albedo Shown by Satellite Measurements and Chemical Transport Modeling Schwartz, S.E. (a), Harshvardhan (b), and Benkovitz C.M.(a), Brookhaven National Laboratory (a), Purdue University (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting The Twomey effect of enhanced cloud droplet concentration, optical depth, and albedo due to anthropogenic aerosols is thought to contribute substantially to radiative forcing of climate change over the

  3. ARM - Publications: Science Team Meeting Documents

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    Retrieval of Ice Water Path Using Thermal Channels Mitchell, D.L. (a), d'Entremont, R.P. (b), Stackhouse, P.W., Jr. (c), and Heymsfield, A.J. (d), Desert Research Institute (a), Atmospheric and Environmental Research, Inc. (b), NASA Langley Research Center NCAR Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Global information of ice water path (IWP) in ice clouds is urgently needed for testing of global climate models (GCMs) and other applications, but satellite retrievals

  4. ARM - Publications: Science Team Meeting Documents

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    The Influence of Clouds, Aerosols, and Water Vapor on the Discrepancy Between Modeled and Observed Atmospheric Absorption Arking, A. Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Daily mean estimates of atmospheric absorption of solar radiation at the ARM/SGP site are obtained for 36 days during the fall season in 1995 and 1997. They are based on broadband observations of surface flux and satellite estimates of TOA albedo. Mean absorption in the vertical column is 0.246

  5. ARM - Publications: Science Team Meeting Documents

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    A New Flexible and Efficient Radiance Solver For Multi-Layered Media Hopsecger, J.M., Gabriel, P.M., and Stephens, G.L., Colorado State University Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting The development of computationally efficient radiative transfer codes has been motivated in part by the requirement of performing the retrievals of atmospheric optical properties in near real-time. The method described in this poster calculates the global reflection and trans-

  6. ARM - Publications: Science Team Meeting Documents

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    Evaluating the NCEP Global Forecast Model Clouds Lazarus, S.M. (a), Krueger, S.K. (a), Jenkins, M.A. (a), and Pan, H.-L. (b), University of Utah (a), National Centers for Environmental Prediction (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting As part of a collaborative effort with the National Center for Environmental Prediction (NCEP), the University of Utah is now archiving (daily) column data from the NCEP Medium Range Forecast (MRF) model. Data are collected for 8

  7. ARM - Publications: Science Team Meeting Documents

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    Algorithm-Development Strategies for Retrieving the Downwelling Longwave Flux at the Earth's Surface Zhou, Y. and Cess, R.D., State University of New York at Stony Brook Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Algorithm-development strategies for retrieving the surface downwelling longwave flux (SDLW) have been formulated based on detailed studies with radiative transfer models and observational data. The model sensitivity studies were conducted with the Column

  8. ARM - Publications: Science Team Meeting Documents

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    Interactions of Cumulus Convection and the Boundary Layer Over the Southern Great Plains Krueger, S.K. (a), Luo, Y. (a), Lazarus, S.M. (a), and Xu, K.-M. (b), University of Utah (a), NASA Langley Research Center (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting We are using observations and cloud-resolving model (CRM) simulations to better understand the interaction between deep cumulus convection and the boundary layer over the southern Great Plains of the United States.

  9. ARM - Publications: Science Team Meeting Documents

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    Profiles of Microphysical Properties in Low-Level Stratiform Clouds: Retrieval and Application to Radiative Transfer Calculations Ovtchinnikov, M. (a) and Kogan, Y.L. (b), Pacific Northwest National Laboratory (a), The University of Oklahoma (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Vertical structure of low-level stratiform clouds unresolved by present global climate models may significantly affect the radiative transfer. In this poster, a common assumption of

  10. ARM - Publications: Science Team Meeting Documents

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    More on the Effect of Cirrus Cloud Bimodal Size Spectra on Thermal Infrared Radiative Properties Stackhouse, P.W., Jr. (a), Mitchell, D.L. (b), and Yang, P. (c), NASA Langley Research Center (a), Desert Research Institute (b), NASA Goddard Space Flight Center (c) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting We continue to explore the effect of bimodal cirrus cloud particle size distributions on the radiative budget of tropical cirrus clouds. Using microphysical

  11. ARM - Publications: Science Team Meeting Documents

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    The ARM Shipboard Oceanographic and Atmospheric Radiation (SOAR) Program: A Review of Instrumentation and Results to Date Reynolds, R.M. (a), MIller, M.A. (a), Bartholomew, M.J. (a), and Yoneyama, K. (b), Brookhaven National Laboratory (a), Japan Marine Science and Technology Center (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting The ARM Ocean Project (AOP) complements the ARM Program's sophisticated land/island observation program with open ocean observations,

  12. ARM - Publications: Science Team Meeting Documents

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    A Radiosonde Correction Using Prelaunch Sonde Data Richardson, S.J. (a), Tobin, D. (b), Revercomb, H. (b), and Lesht, B.M. (c), University of Oklahoma (a), University of Wisconsin-Madison (b), Argonne National Laboratory (c) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Corrections to the radiosonde dry bias and batch to batch variability is examined using SGP Central Facility dual sonde launches from the third Water Vapor Intensive Observation Period. Past attempts have

  13. ARM - Publications: Science Team Meeting Documents

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    Carbon Monitoring at the ARM Southern Great Plains Site Torn, M.S. (a), Berry, J. (b), Fischer, M.L. (a), Billesbach, D. (c), Riley, W. (a), and Zhao, W. (a), Lawrence Berkeley National Laboratory (a), Carnegie Institute of Washington (b), University of Nebraska (c) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting The major challenges ahead in carbon cycle research include bridging plot and global scale analyses of surface fluxes and linking carbon fluxes to water and energy

  14. ARM - Publications: Science Team Meeting Documents

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    Using ARM Measurements to Evaluate and Improve the Turbulent Boundary-Layer Parameterization in the CCM Zhang, M.H. (a) and Yu, R.C. (a), State University of New York(a) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Three-Dimensional advective tendencies at the Atmospheric Radiation Measurement (ARM) Program Southern Great Plains (SGP) site, together with diurnal variation of the clear-sky boundary layer atmosphere temperature and moisture, are used to study the

  15. ARM - Publications: Science Team Meeting Documents

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    Preferred Modes of Surface-Atmosphere Interaction in the Polar Regions Stramler, K.L.(a), Del Genio, A.D.(b), and Rossow, W.B.(b), Department of Earth and Environmental Sciences, Columbia University, New York, New York (a), NASA/Goddard Institute for Space Studies, New York, New York (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Analysis of Surface Heat Budget of the Arctic Ocean (SHEBA) data has identified three distinct, preferred modes of surface-atmosphere

  16. ARM - Publications: Science Team Meeting Documents

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    A Climatology of Cloud & Radiative Properties Derived from GMS-5 Data Over the Tropical Western Pacific Nordeen, M.L.(a), Doelling, D.R.(a), Khaiyer, M.M.(a), Rapp, A.D.(a), and Minnis, P.(b), Analytical Services & Materials, Inc. (a), National Aeronautics and Space Administration-Langley Research Center (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Satellite derived cloud and radiative properties can provide continuous spatial and temporal coverage over the

  17. ARM - Publications: Science Team Meeting Documents

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    Initial Testing of Longwave Parameterizations for Broken Water Cloud Fields - Accounting for Transmission Takara, E.E. and Ellingson, R.G., Department of Meteorology, Florida State University Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Given the spatial scale of current general circulation models, parameterizations are necessary to account for three-dimensional effects. In the longwave, the effective cloud fraction is commonly used for broken water cloud fields. There

  18. ARM - Publications: Science Team Meeting Documents

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    Radiative Effects of Cloud Inhomogeneity and Geometric Association over the Tropical Western Pacific Warm Pool Jensen, M.P.(a) and DelGenio, A.D.(b), Department of Applied Physics and Applied Mathematics, Columbia University, NASA GISS (a), NASA GISS (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting The radiative and microphysical characteristics for several precipitating anvil systems observed by the TRMM satellite over the Manus or Nauru Island ARM sites are modelled.

  19. ARM - Publications: Science Team Meeting Documents

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    Exploration of Statistical Angular Radiance Closure in Cloudy Skies Evans, K.F.(a) and Wiscombe, W.J.(b), University of Colorado (a), NASA/Goddard (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Most ARM cloudy sky radiation closure experiments have been performed with broadband fluxes. However, it is difficult to understand the causes of the inevitable discrepencies between the modeled and observed broadband fluxes in those closure experiments because the fluxes are

  20. ARM - Publications: Science Team Meeting Documents

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    Instant Temperature Profiles in Winter and Summer Conditions and their Connection to the Variation of Radiation Field Koprov, B.M. and Golitsyn, G.S., A.M. Oboukhov Institute of Atmospheric Physics RAS Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting As a supplement to ZCAREX-2001 the measurements were carried out of temperature profiles at 9 levels in the layer m in February - March 2001 and in July - August 2001, as accompanied by turbulent flux measurements at two levels,

  1. ARM - Publications: Science Team Meeting Documents

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    Spectral Diffuse Irradiance in UV, VIS, and NIR During the 2001 Diffuse IOP Kiedron, P., Michalsky, J., Berndt, J., Min, Q., and Harrison, L., Atmospheric Sciences Research Center, SUNY Albany, New York Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Two rotating shadowband spectroradiometers (RSS) participated in the 2001 Diffuse IOP. The UV-RSS covered the 300-360 nm range and the VIS-NIR RSS covered 360-1050 nm. Both instruments were calibrated with NIST traceable

  2. ARM - Publications: Science Team Meeting Documents

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    Characterization and Calibration of the Commercial RSS Slated for Permanent Deployment at SGP Kiedron, P., Berndt, J., Yager, E., Harrison, L., and Michalsky, J., Atmospheric Sciences Research Center, SUNY at Albany, New York Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting The ARM program purchased a rotating shadowband spectroradiometer (RSS) that was manufactured by Yankee Environmental Systems, Inc. At ASRC the instrument went through initial acceptance tests and after

  3. ARM - Publications: Science Team Meeting Documents

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    Effects of Radiometer Cleaning Frequency on the Accuracy of SIRS Measurements Stoffel, T.L. and Gotseff, P.A., National Renewable Energy Laboratory Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Our goal for this study was to determine any measurable effects of the present maintenance schedule for broadband shortwave and longwave radiometers on the quality of irradiance data from the network of Solar Infrared Stations (SIRS) in operation at the Southern Great Plains (SGP).

  4. ARM - Publications: Science Team Meeting Documents

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    Maintaining Radiometer Calibration Traceability to the World Radiometric Reference: Results of the NREL Pyrheliometer Comparisons in 2001 Stoffel, T.L. and Reda, I., National Renewable Energy Laboratory Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Accurate measurements of solar irradiance place many demands on the operators of commercially available radiometers. Maintaining careful instrument calibrations traceable to an international standard is the first step in

  5. ARM - Publications: Science Team Meeting Documents

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    A Climatology of Shortwave Cloud Radiative Forcing Using Ground-Based Broadband Radiometric Time-Series Cole, J.N.S.(a), Long, C.N.(b), and Ackerman, T.P.(b), The Pennsylvania State University (a), Pacific Northwest National Laboratory (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting The interaction between clouds and shortwave (SW) radiation affects the SW radiation incident on the surface, modulating the surface energy budget and consequently the atmospheric energy

  6. ARM - Publications: Science Team Meeting Documents

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    Performance of Radiative Transfer Codes Under Arctic Conditions Pinto, J.0.(a), Curry, J.A.(a), Lane, D.E.(b), and Stone, R.S.(c), University of Colorado (a), Rutgers University (b), Cooperative Institute for Research in Environmental Sciences/ CMDL (c) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Data collected during the SHEBA (Surface Heat Budget of the Arctic Ocean) field experiment and at the Barrow ARM site are used to evaluate shortwave and longwave radiative

  7. ARM - Publications: Science Team Meeting Documents

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    Detection of Thin Cirrus Using MODIS 1.38 Micron Reflection Roskovensky, J.K. and Liou, K.N., University of California, Los Angeles Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting The 1.38 µm channel on board MODIS may have significant advantage in detecting thin cirrus over existing methods due to its high sensitivity to upper tropospheric clouds and a nearly negligible sensitivity to low level reflectance. To investigate this potential, three different cloud schemes are

  8. ARM - Publications: Science Team Meeting Documents

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    Similarity of Deep Convection During the ARM Summer 1997 IOP: CRM Study Khairoutdinov, M.F. and Randall, D.A., Colorado State University Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting A three-dimensional cloud-resolving simulation of midlatitude continental convection during the ARM Summer 1997 IOP is used to study similarity of several second and third statistical moments and second-moment budgets among five episodes of deep convection. Several parameter scales relevant to

  9. ARM - Publications: Science Team Meeting Documents

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    Parameterization of Cloud/Radiation Processes in the UCLA General Circulation Model Gu, Y., Farrara, J., Liou, K.N., and Mechoso, C.R., University of California, Los Angeles Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting The importance of cloud-radiation interactions in climate and climate simulation has been well recognized and demonstrated by the DOE/ARM researchers. To be successful, physically based and accurate parameterizations for radiation and cloud processes must

  10. ARM - Publications: Science Team Meeting Documents

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    Analysis Interface for Nighttime Aerosol Optical Depth Assessment with ARM WSI Musat, I.C.(a) and Ellingson, R.G.(b), University of Maryland at College Park (a), Florida State University (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Nighttime values of Aerosol Optical Depth (AOD) are determined from ARM WSI measurements of starlight. For these measurements, an interface for automatic analysis of clear sky nights and data display is being developed. This analysis

  11. ARM - Publications: Science Team Meeting Documents

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    SIRTA: A French Observation Site for Atmospheric Remote Sensing Haeffelin, M., Chepfer, H., Delaval, A., Drobinski, P., Protat, A., and Sauvage, L., Institut Pierre Simon Laplace, Paris, France Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting An observation site for atmospheric remote sensing (SIRTA) was put together in Palaiseau, France (20 km south of Paris), in 1999. This site hosts a suite of passive and active remote sensing instruments such as a 532 and 1064-nm

  12. ARM - Publications: Science Team Meeting Documents

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    On the Uncertainty of Inferring Absolute Cloud Fraction from Time Series of Narrow Field of View Observations Ma, Y.-T.(a) and Ellingson, R. G.(b), University of Maryland at College Park (a), Florida State University (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting One way to parameterize longwave 3-D cloud effects is to relate the various cloud properties to a statistical cloud field parameter called the Probability of Clear Line of Sight (PCLS) and then to a simple

  13. ARM - Publications: Science Team Meeting Documents

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    Parcel Model Simulations of Crystalline Clouds Using a New Treatment of Heterogeneous Ice Nucleation Development of the Heterogeneous Ice Nucleation Theory and Applications for the Clouds Khvorostyanov, V.I.(a) and Curry, J.A.(b), Central Aerological Observatory (a), University of Colorado (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting The main process responsible for the crystal phase formation in clouds is the heterogeneous nucleation of ice crystals on the specific

  14. ARM - Publications: Science Team Meeting Documents

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    Representing a Spheroidal Particle by a Collection of Equal Volume to Surface Area Spheres: A Comprehensive Study of the Applicability to Radiative Transfer Eide, H.A. and Stamnes, K.H., Stevens Institute of Technology Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting For the purpose of modeling energy transport in a medium containing non-spherical particles, some results indicate that a representation of a non-spherical particle by a collection of spheres with the same

  15. ARM - Publications: Science Team Meeting Documents

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    Web-Based Tools for IOP Administration Tasks and IOP Questionnaire Handling Doty, K.J.(a), Wagener, R.(a), and Liljegren, J.C.(b), Brookhaven National Laboratory (a), Argonne National Laboratory (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting The implementation and use of a collection of web-based tools for IOP administration tasks and IOP Questionnaire management is presented. These tools have been developed to assist with procedures established by the ARM Program

  16. ARM - Publications: Science Team Meeting Documents

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    On the Detection and Analysis of Multilayered Clouds: Comparison of MODIS Analyses with ARM CART Site Cloud Products Baum, B.A.(a), Nasiri, S.L.(b), and Mace, G.G.(c), NASA Langley Research Center (a), University of Wisconsin-Madison (b), University of Utah (c) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting We will present new ideas regarding the detection and analysis of multilayered clouds in Moderate Resolution Imaging Spectroradiometer (MODIS) imagery. Over the past

  17. ARM - Publications: Science Team Meeting Documents

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    An Intercomparison of MMCR and NCEP Global Model Cloud Fraction and Cloud Overlap at the ARM SGP, NSA, and TWP Sites Lazarus, S.M.(a) and Krueger, S.K.(b), Florida Institute of Technology (a), University of Utah (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting In conjunction with the National Center for Environmental Prediction (NCEP), the University of Utah has been archiving (daily) column data from the NCEP Medium Range Forecast (MRF) model for various sites over the

  18. ARM - Publications: Science Team Meeting Documents

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    Assessing Cloud Overlap Parameterizations of Global Climate Models Using ARM Data Stephens, G.L., Gabriel, P., and Wood, N.B., Colorado State University Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting We will report on our research that uses ARM MMCR data from three CART sites to evaluate various overlap parameterizations as commonly employed in climate models. This assessment is carried out in terms of: 1. The statistical properties of overlap derived from MMCR data

  19. ARM - Publications: Science Team Meeting Documents

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    Parameterization of Hygroscopic Aerosols in a Climate GCM Lacis, A.A., Mishchenko, M.I., and Carlson, B.E., Goddard Institute for Space Studies Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Real and imaginary refractive indices are needed over the full range of solar and thermal wavelengths in order to compute the radiative forcing due to atmospheric aerosols. Laboratory measurements are available for dry ammonium sulfate [Toon and Pollack, 1976] over the spectral range

  20. ARM - Publications: Science Team Meeting Documents

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    Consistency of ARESE II Cloud Absorption Estimates and Sampling Issues Oreopoulos, L.(a), Marshak, A.(a), and Cahalan, R.F.(b), JCET – University of Maryland Baltimore County (a), NASA-GSFC (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Data from three cloudy days (March 3, 21, 29, 2000) of the ARM Enhanced Shortwave Experiment II (ARESE II) were analyzed. Grand averages of broadband absorptance among three sets of instruments were compared. Values of fractional

  1. ARM - Publications: Science Team Meeting Documents

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    An Integrated Algorithm for Retrieving Low-Level Stratus Cloud Microphysical Properties Using Millimeter Radar and Microwave Radiometer Data Dong, X. and Mace, G.G., University of Utah Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Two methods have been developed for inferring the vertical profiles of cloud microphysics in liquid phase stratocumulus clouds. The first method uses cloud liquid water path derived from microwave radiometer observations and a profile of radar

  2. ARM - Publications: Science Team Meeting Documents

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    Arctic Stratus Cloud Properties and Radiaitve Forcing Derived From Ground-Based Data Collected at ARM NSA Site and SHEBA Ship Dong, X. and Mace, G.G., University of Utah Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting A record of single-layer and overcast low-level Arctic stratus cloud properties has been generated using data collected at the Atmospheric Radiation Measurement site near Barrow, Alaska from May to September 2000. The record includes liquid-phase and liquid

  3. ARM - Publications: Science Team Meeting Documents

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    The Parameterization of Shallow Cumulus Convection Zhu, P. and Albrecht, B.A., University of Miami Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting A successful representation of shallow cumulus convection in GCMs requires two parameterizations: one for calculating the subgrid fluxes of heat, moisture, and momentum; and the other for estimating the cloud cover and the associated cloud liquid water. Two common schemes used for these two parameterizations are the mass flux

  4. ARM - Publications: Science Team Meeting Documents

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    Developing a Multi-Year Surface Radiation Budget Dataset in Support of Model Development Li,Z.(a), Cribb, M.(a), and Trishchenko, A.P.(b), University of Maryland (a), Canada Centre for Remote Sensing (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting The surface radiation budget (SRB) is the primary force driving atmospheric circulation and is affected by radiatively important atmospheric constituents such as water vapor, aerosol and cloud. Testing and improving radiation

  5. ARM - Publications: Science Team Meeting Documents

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    Further Analysis of the Thermal Offset in Pyranometers Leitner, A.S. and Valero, F.P.J., Scripps Institution of Oceanography Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Further work extending the results reported in the previous paper: Characterization of Thermal Effects in Pyranometers: A Data Correction Algorithm for Improved Measurement of Surface Insolation, by Bush, Valero, Simpson, and Bignone, J. Atmos. Res. and Ocean. Tech., Vol. 17, No. 2, pp. 165-175, 2000.

  6. ARM - Publications: Science Team Meeting Documents

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    Observations of Mid-level Convective Clouds During Nauru99 Jensen, M.P.(a) and Del Genio, A.D.(b), Department of Applied Physics and Applied Mathematics, Columbia University/ NASA GISS (a), NASA Goddard Institute for Space Studies Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting It has long been recognized that there is an abundance of different convective cloud types in the tropics. Tropical convective cloud populations have often been considered to be dominated by shallow

  7. ARM - Publications: Science Team Meeting Documents

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    Resolving Models as Scaffolding for Cloud Parameterizations in Large-Scale Models Pincus, R.(a), Klein, S.A.(b), Hannay, C.(a), and Xu, K.-M.(c), NOAA-CIRES Climate Diagnostics Center (a), NOAA Geophysical Fluid Dynamics Laboratory (b), NASA Langley Research Center (c) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting The treatment of clouds in large scale models has evolved from fixed to diagnostics to predictive as the importance of cloud feedbacks has become clear. In

  8. ARM - Publications: Science Team Meeting Documents

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    Correction of Sonde Upper Tropospheric Humidity Through Radiance Assimilation Soden, B.J.(a), Turner, D.D.(b), and Lesht, B.M.(c), NOAA/GFDL (a), Pacific Northwest Natinal Laboratory (b), Argonne National Laboratory (c) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting The difficulty of measuring upper tropospheric water vapor from radiosonde instrumentation is widely recognized. Recent results from several ARM IOPs and the AFWEX field campaign have demonstrated a substantial

  9. ARM - Publications: Science Team Meeting Documents

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    Interannual Variation in The Observed Shortwave Record from ARM/SGP Rutan, D.A.(a) and Charlock, T.P.(b), Analytical Services & Materials Inc.(a), Atmospheric Sciences Competency, NASA Langley Research Center (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Changes in annual mean downwelling shortwave (SW) radiation are considered from four years of the ARM radiometric record from 1998 through 2001. ARM data for 21 sites from the Southern Great Plains(SGP) testbed is

  10. ARM - Publications: Science Team Meeting Documents

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    Integrated Measurements from ARM SCM IOPs Relevant to GCM Parameterizations Zhang, M.(a), Cederwall, R.T.(b), Xie, S.C.(b), and Yio, J.J.(b), SUNY at Stony Brook (a), Lawrence Livermore National Laboratory (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting This study describes vertical heating profiles from cases selected from eight ARM SCM IOPs at the SGP as derived from the ARM constrained variational analysis. These heating profiles are the subject of GCM

  11. ARM - Publications: Science Team Meeting Documents

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    Incorporating Correlations Between Optical Thickness and Direct Incident Radiation in a One-Dimensional Radiative Transfer Algorithm Kato, S., Hampton University Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting A one-dimensional radiative transfer algorithm that accounts for correlations between the optical thickness and the incident direct solar radiation is developed to compute the domain-averaged shortwave irradiance profile. It divides the direct irradiance into four

  12. ARM - Publications: Science Team Meeting Documents

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    Towards Parameterization of Frontal Mesoscale Circulations and Cloudiness in GCMs Based on ARM Observations Norris, J.R.(a), Weaver, C.P.(b), Gordon, N.D.(c), and Klein, S.A.(d), Scripps Institution of Oceanography (a), Rutgers University (b), Scripps Institution of Oceanography (c), GFDL/NOAA (d) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Cloudiness associated with extratropical cyclones is currently poorly represented in GCMs due to incorrect and insufficient

  13. ARM - Publications: Science Team Meeting Documents

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    The Role of Cloud Scale Resolution on Radiative Properties of Oceanic Low-Level Clouds Kassianov, E.I.(a), Ackerman, T.P.(a), and Kollias P.(b), Pacific Northwest National Laboratory (a), University of Miami (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Millimeter radars have been commonly used to examine the spatial/temporal evolution of clouds. To asses the impact of the cloud scale resolution on the solar radiative transfer, two sets of radiative experiments were

  14. ARM - Publications: Science Team Meeting Documents

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    Improved Methods for Broadband Outdoor Radiometer Calibration (BORCAL) Wilcox, S.M., Andreas, A.M., Reda, I., and Myers, D.R., National Renewable Energy Laboratory Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting The ARM Program deploys approximately 100 radiometers to measure broadband solar radiation at stations in the North Slope of Alaska (NSA), Southern Great Plains (SGP), and Tropical Western Pacific (TWP) Cloud and Radiation Testbed (CART) sites. Two calibration events

  15. ARM - Publications: Science Team Meeting Documents

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    Cloud-Resolving Simulations of Boundary-Layer Cloud Regimes with a Third-Order Turbulence Cheng, A.(a,b) and Xu, K.-M.(a), Atmospheric Sciences, NASA Langley Research Center (a), Hampton University (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting LES (large eddy simulation) models can explicitly resolve large turbulent eddies, which contain m ost of the turbulent kinetic energy and do most of the transport in the boundary layer. These edd ies have to be parameterized in

  16. ARM - Publications: Science Team Meeting Documents

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    Impact of Intermodel Differences in Cloud Microphysics on Radiation: Diagnosis from Case 3 CRM Intercomparison Data Xu, K.-M., Atmospheric Sciences, NASA Langley Research Center Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Cloud microphysics parameterizations have been identified as one of the main differences among th e eight cloud-resolving models (CRMs) participating in the recent ARM/GCSS intercomparison study (Xu et al., 2002). How do these differences impact the

  17. ARM - Publications: Science Team Meeting Documents

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    ARM External Data: Recent Developments and Future Plans Wagener, R., Gregory, L., Ma, L.L., and Cialella, A., Brookhaven National Laboratory Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting This poster lists new datastreams collected and processed by the ARM External Data Center since the last update in 1999 (MOLTS, TOMS, 30 min OK Mesonet, CSPHOT, TWP AVHRR, ECMWF, RUC, TAO Buoy, IAP). We describe briefly the software tools employed in converting these data to netCDF files,

  18. ARM - Publications: Science Team Meeting Documents

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    Using ARM Radar Data to Parameterize the Moments of Cirrus Cloud Properties in Terms of Cloud Layer Thickness and Temperature Vernon, E.N.(a) and Mace, G.G.(b), University of Utah (a), University of Utah (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Improving the reperesentation of cirrus clouds in large-scale models has been identified as a way to reduce the uncertainty associated with climate change simulations in these models. Representing cirrus clouds in

  19. ARM - Publications: Science Team Meeting Documents

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    Reconciling Infrared Absorption Parameterizations for Midlatitude Cirrus Clouds Sassen, K.(a,b), Wang, Z.(a,b), Comstock, J.M.(c), and Platt, C.M.R.(d), University of Utah (a), University of Utah (b), Pacific Northwest National Laboratory (c), CSIRO (d) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting In recent years a number of parameterizations of cirrus cloud infrared absorption have been reported. These have been based on remote sensing measurements using the combined

  20. ARM - Publications: Science Team Meeting Documents

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    An Assessment of MWR Retrievals of Liquid Water Path Using Clear-sky Data Marchand, R.T. and Ackerman, T.P., Pacific Northwest National Laboratory Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting The ARM radiometers make measurements at two frequencies. These two measurements are used to infer two quantities, the total column vapor and liquid water. Both microwave emission frequencies respond to both the liquid and vapor, but one channel is more sensitive to vapor (23.8 GHz)

  1. ARM - Publications: Science Team Meeting Documents

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    Continued Evaluation of the Microwave Radiometer Profiler Liljegren, J.C., Argonne National Laboratory Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Final results are presented for the two-year evaluation of the microwave radiometer profiler at the Southern Great Plains (SGP) and North Slope of Alaska (NSA) sites. Three aspects of the instrument system are examined: (1) reliability, (2) measurement accuracy, and (3) retrieval accuracy. Reliability of the instrument is

  2. ARM - Publications: Science Team Meeting Documents

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    Spectral Characterization of the Scattering and Absorption of Solar Radiation by Aerosols and Clouds: Results from Several Recent Field Studies Pilewskie, P.(a), Rabbette, M.(b), Bergstrom, R.(b), Pommier, J.(b), and Howard, S.(b), NASA Ames Research Center (a), Bay Area Environmental Research Institute (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Efforts to reduce the uncertainty in climate forcing due to the radiative effects of aerosols and clouds have led to the

  3. ARM - Publications: Science Team Meeting Documents

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    Status, Accomplishments and Recent Developments at the Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) Liljegren, J.C.(a), Sisterson, D.L.(a), and Teske, J.J.(b), Argonne National Laboratory (a), Aeromet Corporation (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Over the past year the SGP CART has undergone considerable change and has been host to a wide range of field campaigns and guest instruments. Several new instruments have been deployed, new

  4. ARM - Publications: Science Team Meeting Documents

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    The Influence of Clouds on the Arctic Surface Intrieri, J.M.(a) and Shupe, M.D.(b), NOAA/Environmental Technology Laboratory (a), STC/NOAA/Environmental Technology Laboratory (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting SHEBA observations of Arctic cloud and surface fluxes were used to determine surface cloud radiative forcing over an annual cycle. Cloud amount and phase had the largest influence on the magnitude of surface forcing in both winter and summer while

  5. ARM - Publications: Science Team Meeting Documents

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    Radar Observations of Large-Eddy Circulations and Turbulence in Boundary Layer Clouds Albrecht, B.A. and Kollias, P., Umiversity of Miami Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting With the development and application of Doppler short wavelength radars, there has been an increased capability for explicitly resolving the vertical structure of boundary layer cloud circulations. Further, Doppler mm-wavelength radars used in a vertically pointing mode can provide

  6. ARM - Publications: Science Team Meeting Documents

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    Combination of Temperature and Humidity Profiles from a Scanning 5-mm Radiometer and MWR-Scaled Radiosondes During the 1999 Winter NSA/AAO Radiometer Experiment Westwater, E.R.(a), Leuski, V.(a), and Racette, P.(b), CIRES, University of Colorado/NOAA-ETL (a), NASA/ Goddard Space Flight Center (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting A scanning 5-mm-wavelength radiometer was deployed during an Intensive Operating Periods (IOP) at the Atmospheric Radiation

  7. ARM - Publications: Science Team Meeting Documents

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    Final Analysis of the Comparison Between Theoretical and Observed Estimates of Broadband Absorptance During ARESE II O'Hirok, W. and Gautier, C., University of California, Santa Barbara Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting The ARM Enhanced Shortwave Experiment (ARESE) II was conducted in spring 2000 to address unresolved issues about the absorption of solar radiation in the atmosphere in the presence of clouds. In a preliminary study comparing 3-D radiative

  8. ARM - Publications: Science Team Meeting Documents

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    Statistical Analysis of the Coupling Between Subgrid Cloud Structure and Grid-Scale Dynamic-Hydrological Processes O'Hirok, W. and Gautier, C., University of California, Santa Barbara Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Sufficient knowledge of the spatial distribution of cloud properties within a GCM grid is central to parameterizing subgrid radiative processes. While methods are being developed to account for these processes they all must to a degree rely on

  9. ARM - Publications: Science Team Meeting Documents

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    Processing of ARM Millimeter Wave Cloud Radar Signals at Low Signal to Noise Conditions Kollias, P. and Albrecht B.A., University of Miami Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting The Atmospheric Radiation Measurement (ARM) program has supported the deployment of several Millimeter Wave Cloud Radars (MMCRs) operating at 35-GHz for an accurate detection of all the hydrometeors in the atmosphere. Despite their short wavelength that increases the Rayleigh backscattering

  10. ARM - Publications: Science Team Meeting Documents

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    Lidar Remote Sensing of Cirrus Clouds at the Southern Great Plains Site: Comparisons of Extinction and Backscatter Coefficients Derived Using Raman and Backscatter Lidar Technique Comstock, J.M.(a), Fu, Q.(b), Turner, D.D.(c), and Ackerman, T.P.(a), Pacific Northwest National Laboratory (a), Department of Atmospheric Sciences, University of Washington (b), University of Wisconsin/Pacific Northwest National Laboratory(c) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting

  11. ARM - Publications: Science Team Meeting Documents

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    Availability and Status of MISR Geophysical Data Products Diner, D.J. and the MISR Science Team, Jet Propulsion Laboratory, California Institute of Technology Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting The Multi-angle Imaging SpectroRadiometer (MISR) instrument aboard the Terra spacecraft has been collecting Earth imagery since February 2000. MISR contains nine cameras pointed at fixed along-track directions, and acquires images with view angles at the Earth’s surface

  12. ARM - Publications: Science Team Meeting Documents

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    Importance and Parameterization of Longwave Radiative Scattering by Mineral Aerosols Gautier, C., Dufresne, J.-L., and Ricchiazzi, P.J., University of California Santa Barbara Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting The effect of scattering is not always included in longwave models of radiative forcing due to mineral aerosols. In this presentation, we quantify and highlight the importance of scattering in the longwave domain for a wide range of conditions commonly

  13. ARM - Publications: Science Team Meeting Documents

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    MISR Cloud Results: Global-to-Local Comparisons Davies, R.(a) and Horvath, A.(b), Jet Propulsion Laboratory, California Institute of Technology (a), University of Arizona (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting This poster will describe results from the MISR instrument on Terra that address the diversity of cloud types on a global basis, and how these relate to in situ comparisons. Analysis of multiangle spectral radiances measured by MISR yields a variety of

  14. ARM - Publications: Science Team Meeting Documents

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    Spatial Hetergeneity in Mid-Summer Fluxes of Carbon, Water and Energy in Agriculutural Plots Near the SGP Central Facility Fischer, M.L.(a), Billesbach, D.(b), Berry, J.(c), Riley, W.R.(a), and Torn, M.S.(a), Lawrence Berkeley National Laboratory (a), University of Nebraska (b), Carnegie Institution of Washington (c) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Patterns of land use and management are likely to dominate the spatial heterogeneity in cycles of energy,

  15. ARM - Publications: Science Team Meeting Documents

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    Clear-Sky Model and Measurement Comparisons from the First Diffuse Irradiance IOP - Fall 2001 Powell, D.(a), Kato, S.(b), Haeffelin, M.(c), and Dubovik, O.(d), Pacific Northwest National Laboratory (a), Hampton University (b), Laboratoire de Meteorologie Dynamique (c), NASA/Goddard Space Flight Center (d) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting In the fall of 2001 the central facility of the ARM SGP site was the location of the first diffuse irradiance IOP.

  16. ARM - Publications: Science Team Meeting Documents

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    ARM Core PC Configuration Flynn, C.J.(a) and Beus, S.J.(b), Pacific Northwest National Laboratory Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting The ARM Core PC Configuration (CPCC) is a modified installation of Microsoft Windows with a full complement of software to facilitate data collection from several ARM instruments. The current version of CPCC supports the following ARM instruments: BBSS, MPL, MWR, SAMS, and VCEIL. This configuration scheme simplifies initial

  17. ARM - Publications: Science Team Meeting Documents

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    A New Hyperspectral Imaging Interferometer for Measurements of Surface Albedo Minnett, P.J.(a) and Sellar, R.G.(b), Rosenstiel School of Marine and Atmospheric Sciences, University of Miami (a), Florida Space Institute (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Uncertainties in the bidirectional reflection coefficient of the surface is a major component of the errors in the measurements of the surface radiation budget. A new instrument will be presented that

  18. ARM - Publications: Science Team Meeting Documents

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    Retrieval of Ice Water Path, Ice Particle Size, and Shape Mitchell, D.L., Arnott, W.P., and Ivanova, D.C., Desert Research Institute Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Ground based retrievals of ice water path, particle size and shape are needed for testing and generating improvements in cloud resolving models and GCMs, a long-standing goal of the ARM program. The lidar/radiometer (LIRAD) method developed by Martin Platt has recently been generalized for using

  19. ARM - Publications: Science Team Meeting Documents

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    Radiosonde Scaling Using a Chilled Mirror Hygrometer Richardson, S.J.(a), Lesht, B.M.(b), Bahramann, C.(c), and Tobin, D.(d), The Pennsylvania State University (a), Argonne National Laboratory (b), University of Oklahoma (c), University of Wisconsin-Madison (d) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting This poster investigates 1) the use of prelaunch (i.e., data prior to sonde launch while the sonde is in the mailbox aspirator) radiosonde data for obtaining a more

  20. ARM - Publications: Science Team Meeting Documents

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    Calculation of Forcing by Carbonaceous Aerosols Penner, J.E., Zhang, S., and Chuang, C., University of Michigan Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting The effects of absorbing aerosols can decrease overall cloudiness leading to a substantial positive forcing that can enhance or reduce the initial forcing by the aerosol itself. Here, we evaluate these effects in the case of both the direct and indirect effects. The forcing associated with absorbing aerosols is

  1. ARM - Publications: Science Team Meeting Documents

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    New Parameterization of Droplet Nucleation Penner, J.E. and Chen, Y., University of Michigan Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Several parameterizations for the formation of droplets on aerosol particles with specified size and aerosol composition are now available. However, the current parameterizations do not account for the full range of aerosol species, nor do they account for the influence of nitric acid vapor on formation of drops. Here, we present a new

  2. ARM - Publications: Science Team Meeting Documents

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    ARM Aerosol IOP May 2003 Schwartz, S.E.(a), Ferrare R.(b), Ogren, J.E.(c), Daum, P.H.(a), Schmid, B.(d), and Ghan, S.(e), Brookhaven National Laboratory (a), NASA Langley Research Center (b), NOAA Climate Monitoring and Diagnostics Laboratory (c), Bay Area Environmental Research (d), Pacific Northwest National Laboratory (e) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Aerosol influences on shortwave radiation are substantial locally and globally. An aerosol optical

  3. ARM - Publications: Science Team Meeting Documents

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    A Continuous Initial Estimate of Cloud Microphysical Structure Using Surface-Based Remote Sensors and Parameterized Microphysics Miller, M.A. and Johnson, K.L., Brookhaven National Laboratory Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Realistic heating rate profiles require an accurate and continuous accounting of cloud microphysical structure. To date, several highly constrained microphysical retrieval algorithms have been designed that operate on specific cloud

  4. ARM - Publications: Science Team Meeting Documents

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    Relative Importance of Size Distribution and Liquid Water Path to Solar Radiation in the Presence of Continental Stratus Sengupta, M.(a), Ackerman, T.P.(a), and Clothiaux, E.E.(b), Pacific Northwest National Laboratory (a), The Pennsylavania State University (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Calculation of downwelling broadband solar flux at the surface in the presence of a boundary layer stratiform cloud requires information about the size distribution of

  5. ARM - Publications: Science Team Meeting Documents

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    Climatology of Stratus Clouds at the SGP: A Radiation Based Study Sengupta, M.(a), Ackerman, T.P.(a), and Clothiaux, E.E.(b), Pacific Northwest National Laboratory (a), The Pennsylvania State University (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting The Atmospheric Radiation Measurement (ARM) program is a source of continuous data that can be used for various short-term climatological studies. Using multiple datasets from ARM for the Southern Great Plains (SGP) Central

  6. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Development of a Stochastic Cloud-Radiation Parameterization Lane, D.E., Rutgers University Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Stochastic radiative transfer modeling has recently been shown to be a promising approach to modeling the domain-averaged shortwave radiation fields that occur in scattered cloud conditions. A parameterization of the stochastic approach to modeling cloud-radiation interactions is being developed using archived data from the Atmospheric

  7. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Lidar Multiple Scattering Determinations of Particle Size in Cirrus Clouds Eloranta, E.W. and Kuehn, R.E., University of Wisconsin-Madison Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Multiple scattering measurements with the University of Wisconsin High Spectral Resolution Lidar have been used to remotely measure the particle size in cirrus clouds. This poster will present measurements and describe an extention to lidar multiple scattering theory. Equations to calculate

  8. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    A High Spectral Resolution Lidar for the Arctic - A Progress Report Eloranta, E.W., Razenkov, I., Kuehn, R., Holz, R., Hedrick, J., and Garcia, J., University of Wisconsin-Madison Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting The University of Wisconsin is constructing a High Spectral Resolution Lidar for deployment in the Arctic. It is designed to operate as an internet appliance and require minimal attention from an onsite attendent. It will provide continuous well

  9. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Comparison of Aerosol Properties Within and Above the Atmospheric Boundary Layer at the ARM SGP Site Delle Monache, L.(a), Perry, K.D.(a), and Cederwall, R.T.(b), San Jose State University (a), Lawrence Livermore National Laboratory (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting The objective of this work is to determine under what conditions, if any, measurements of aerosol properties made at the surface at the ARM SGP Central Facility are representative of aerosol

  10. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    The International Intercomparison of 3-Dimensional Radiation Codes Cahalan, R.F., NASA/Goddard Space Flight Center Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting I3RC (International Intercomparison of 3-dimensional Radiation Codes) has as its pri-mary goal to compare a wide variety of three-dimensional (3D) radiative transfer meth-ods applied to Earth's atmosphere, with a few selected cloud fields as input, and a few selected radiative quantities as output. Phases 1 and 2

  11. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Cloud Thickness from Offbeam Returns - Thor Lidar Cahalan, R.F., Kolasinski, J., and McGill, M., NASA/Goddard, Laboratory for Atmospheres Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Physical thickness of a cloud layer, and sometimes multiple cloud layers, can be estimated from the time delay of off-beam returns from a pulsed laser source illuminating one side of the cloud layer. In particular, the time delay of light returning from the outer diffuse halo of light

  12. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    AERI-Lidar Retrievals of Ice Cloud Physical Properties, Including the First Estimates of Photon Tunneling Contributions to Absorption Mitchell, D.L.(a) and DeSlover, D.H.(b), Desert Research Institute (a), Cooperative Institute for Meteorological Satellite Studies, University of Wisconsin (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting The Atmospheric Emitted Radiance Interferometer (AERI) and the High Spectral Resolution Lidar (HSRL) have been used to determine the

  13. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Comparison of Daily Broadband Surface Albedos Measured at Six Extended Facilities in the ARM Southern Great Plains Cloud and Radiation Testbed Hamm, K.G., University of Oklahoma Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting An analysis of time series of daily hemispherical broadband surface albedo for 1998-1999 from six ARM Extended Facilities has been performed. The results show that the mean annual albedo differs by as much as 30% among the six sites. The annual range of

  14. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    ARM Sites in the BSRN Database Hodges, G.B., University of Colorado, CIRES (a), NOAA (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting A description of the four ARM sites (Billings/BRS, E13, Manus and Nauru) currently included in the Baseline Surface Radiation Network (BSRN) database. Details of the specific parameters being submitted are presented, as well as the data status for each site. An overview of the formatting process is also described

  15. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    ERBE OLR and Cloud Type by Split Window Inoue, T.(a) and Ackerman, S.A.(b), Meteorological Research Institute (a), University of Wisconsin (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Using collocated ERBE and split window/AVHRR on board NOAA-9, we studied the relationship between cloud type and OLR. NOAA operational OLR estimation is based on flux equivalent temperature defined by the narrow band TBB. We found the relationship between ERBE OLR and brightness

  16. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Acceptance Testing and Characterization of the VIS-RSS Slated for Permanent Deployment at the SGP Site Kiedron, P., Berndt, J., Yager, E., Schlemmer, J., Harrison, L., and Michalsky, J.J., SUNY at Albany Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The RSS (Rotating Shadowband Spectroradiometer) that was built by YES, Inc. and purchased by ARM in 2001 was evaluated at ASRC. The acceptance tests found several problems that required modification and redesigns by YES,

  17. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Testing the Impact of Clouds on the Radiation Budgets of 18 General Circulation Models Jakob, C., May, P.T., and Keenan, T.D., BMRC Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting ARMs newest site at Darwin in Northern Australia has been collecting data since April 2002. This poster will present a view of the 2002/2003 Australian summer monsoon through the use of data collected by both the ARM and existing Bureau of Meteorology instrumentation. Time series of cloud,

  18. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Radar Estimations of Ice Cloud Optical Properties Matrosov, S.Y.(a), Shupe, M.D.(b), Heymsfiled, A.J.(c), and Zuidema, P.(d), CIRES University of Colorado and NOAA (a), STC and NOAA (b), NCAR (c), NOAA (d) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Clouds in radiation and climate models are usually described using different parameterizations between their microphysical and optical properties. Visible extinction profiles and optical thicknesses (i.e., the vertical

  19. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    From Crops to Boundary Layer and Back: The ARM/LBNL Carbon Project in the Southern Great Plains Torn, M.S., Lawrence Berkeley National Laboratory Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting We are addressing two large challenges in carbon cycle research: the range of scales, from plant to global atmosphere, that must be bridged by measurements and models, and the coupling carbon, water and energy fluxes from natural and agricultural systems. The ARM/LBNL Carbon

  20. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Empirical Model of Aerosol Uplifting from the Arid Area Gorchakov, G.I., Shukurov, K.A., and Golitsyn, G.S., A.M. Obukhov Institute of Atmospheric Physics, RAS Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The model enables to make the estimates of the vertical fluxes of arid aerosol using measured data of the wind velocity. The model includes the following main elements: 1. The parameterization of the microstructure of the aerosol uplifted from the area. 2.

  1. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Some Results of the Comparison of the Solar Almucantar Sky Brightness Observed Under the Cirri Conditions and the Calculated One Petrushin, A.G.(b), Shukurov, A.K.(a), Shukurov, K.A.(a), and Golitsyn, G.S.(a), A.M. Obukhov Institute of Atmospheric Physics, RAS (a), Institute of Experimental Meteorology, NPO "Typhoon" (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The selected measurements of the solar almucantar sky brightness were carried out at the

  2. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Cloud Overlap from a Cloud Resolving Model Oreopoulos, L.(a) and Khairoutdinov, M.F.(b), JCET-UMBC (a), Colorado State University (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The overlap properties of ~850 snapshots of convective cloud fields generated by a Cloud Resolving Model are studied and compared with previously published results based on cloud radar observations. Total cloud fraction is overestimated by the random overlap assumption and underestimated by

  3. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    First Measurements of the Twomey Indirect Effect Using Ground-Based Remote Sensors Feingold, G.(a), Eberhard, W.L.(a), Veron, D.E.(b), and Previdi, M.(b), NOAA, Environmental Technology Laboratory (a), Rutgers University (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting We demonstrate first measurements of the Twomey aerosol indirect effect using ground-based remote sensors at a continental US site. The response of clouds to changes in the aerosol loading is quantified

  4. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Improved Ice Water Content from Two-Dimensional Imagery Baker, B., Lawson, P., Schmitt, C., and Mitchell, D., SPEC, Inc. Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting SPEC has developed an algorithm that reduces the uncertainty in the determination of ice water content (IWC). The new algorithm was developed by digitizing and re-analyzing 35-mm slides of ice crystals previously collected and analyzed by Mitchell et al. (1990). In Mitchell et al. (1990), the ice particles

  5. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Chemical-Microphysical-Optical CCN Closure Experiments during the May 2003 ARM-ACP Aerosol IOP Schwartz, S.E., Brookhaven National Laboratory Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Aerosols exert a substantial influence on atmospheric radiation through direct light scattering and through modification of the microphysical properties of clouds. Description of these effects locally requires characterization of the optical and cloud nucleating properties of the

  6. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Testing the Impact of Clouds on the Radiation Budgets of 18 General Circulation Models Potter, G.L.(a) and Cess, R.D.(b), Lawrence Livermore National Laboratory (a), SUNY Stony Brook (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Zonal DJF means of cloud-radiative forcing (CRF), as determined from simulations with 18 atmospheric general circulation models using prescribed sea-surface temperatures, have been compared to top-of-the-atmosphere radiometric measurements

  7. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    The Use of Performance Metrics to Enhance Meteorological Operations Rusk, D.J., Aeromet, Inc. Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting It is highly desirable to use cloud radar data in the evaluation of model simulations of clouds at various scales. Unfortunately there is an inherent mismatch between the spatial and temporal scales of the models and the observations. Usually this mismatch is overcome by time-averaging the observations and declaring the averages as

  8. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    An Instrumented Learjet for High-Altitude Atmospheric Sampling Rusk, D. J. and Hobbs, R., Aeromet, Inc. Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Aeromet operates the High Altitude Research Platform (HARP), a Learjet 36A, that has been used for atmospheric sampling and characterization missions in locations worldwide since the 1970s. With its long duration (up to 5 hours and about 3700 km) and its ability to reach high altitudes (about 14 km) the HARP is well suited

  9. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    A High-Altitude Cloud Climatology From Satellite Data Hobbs, R. and Rusk, D.J., Aeromet, Inc. Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Tenuous, high-altitude cirrus clouds have, in recent years, been found to be very widespread in the tropics. These clouds, which are often nearly invisible from the ground and from satellite, impact the work of many groups, including the ARM community. Aeromet has long been concerned about the impact of these clouds on airborne

  10. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Evaluation of Upper Tropospheric Water Vapor in the NCAR Community Climate Model, CCM3, Using Modeled and Observed HIRS Radiances Iacono, M.J., Delamere, J.S., Mlawer, E.J., and Clough, S.A., Atmospheric and Environmental Research, Inc. Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Upper tropospheric water vapor (UTWV) simulated by the National Center for Atmospheric Research Community Climate Model, CCM3, is evaluated by comparing modeled, clear sky, brightness

  11. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Dust-Climate Interactions: A Conceptual Model Shell, K. M. and Somerville, R. C. J., Scripps Institution of Oceanography, University of California, San Diego Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Paleoclimatic evidence strongly suggests that airborne mineral dust can be a climatically important atmospheric aerosol, but little is known quantitatively about the mechanisms of dust-climate interactions. We have developed a conceptual global model with which to study

  12. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Space-Borne Remote Sensing of High-latitude Surface Radiative Properties Berque, J., Lubin, D., and Somerville, R.C.J., Scripps Institution of Oceanography, University of California, San Diego Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Several studies have demonstrated the far-reaching influences of the Antarctic climate. Here we present a method to monitor the surface radiative properties from space. These properties play a key role in the surface energy budget in

  13. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Three-Dimensional Radiative Transfer Computations to Complement the ARM Broadband Heating Rate Profile (BBHRP) Value Added Product (VAP) OHirok, W.(a), Gautier, C.(a), and Miller, M.A.(b), University of California, Santa Barbara (a), Brookhaven National Laboratory (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting A core programmatic goal of ARM is to understand how cloud variability is associated with radiative flux variability. A major effort among the ARM working

  14. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Initial Activities of the ARM NSA Site Scientist Team Richardson, S., Bahrmann, C.P., Verlinde, J., Harrington, J.H., Clothiaux, E.E., Avramov, A.E., and Greenberg, S.D., The Pennsylvania State University Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting In August 2002 the transition of the ARM NSA Site Scientist Team to Pennsylvania State University was complete. This poster provides an overview of the new SST and describes research, operations, and educational aspects of

  15. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Optical Remote Sensing Research at Montana State University Shaw, J.A., Repasky, K., and Carlsten, J.A., Montana State University Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting We describe a new, growing research program at Montana State University in Bozeman, Montana in development and application of optical remote sensors, including lidars and radiometers. The remote sensor program builds on well-established expertise in laser development. Current activities include:

  16. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Evaluation of Simulated Clouds in the Community Atmospheric Model (CAM2): Over the Globe and at the ARM Site Zhang, M.H.(a) and Lin, W.Y.(a), Stony Brook University Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting We first compare seasonal climatology of the global distribution of ISCCP-type clouds in the NCAR CAM2 with observations from ISCCP. Model deficiencies in simulated clouds are highlighted. Model capability of simulating the observed response of different cloud

  17. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Cloud Radiative Forcing of the Arctic Surface: The Influence of Cloud Properties, Surface Albedo, and Solar Zenith Angle Shupe, M.D. and Intrieri, J.M., NOAA - Environmental Technology Laboratory Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting An annual cycle of cloud and radiation measurements made as part of the Surface Heat Budget of the Arctic program are utilized to determine which properties of Arctic clouds control the surface radiation balance. Surface cloud

  18. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    A Comparison of Aerosol Scattering Parameters Obtained by Ground-Based Remote Sensing and In-Situ Profile Flights Ricchiazzi, P.J.and Gautier, C., University of California, Santa Barbara Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The objective of this study is to determine how well remote sensing retrievals of aerosol scattering parameters correspond to information obtained from in-situ flight profiles. Two remote sensing retrievals techniques will be used. The first

  19. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Evaluation of the Plane-Parallel Model from MISR Measurements Horvath, A.(a), Davies, R.(b), and Diner, D.J.(b), University of Arizona (a), Jet Propulsion Laboratory (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Due to its simplicity and computational speed, the 1-D plane-parallel model enjoys widespread popularity in the satellite remote sensing of cloud microphysical properties. Just how well this model describes real clouds is a question rather difficult to

  20. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Comparison of Observed and Modelled Liquid Water Path for Stratus and Stratocumulus Clouds at the SGP Sengupta,M.(a), Ackerman,T.P.(a), and Clothiaux,E.E.(b), Pacific Northwest National Laboratory (a), The Pennsylvania State University (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Accurate representation of observations in models is a integral part of improving model accuracy. With the availability of long-term data sets from ARM it is possible to statistical

  1. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Clouds, Cloud Physics, and Cloud-Radiation Interactions: New Data and Models Iacobellis, S.F. and Somerville, R.C.J., Scripps Institution of Oceanography Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting New observations and theoretical developments have recently led to significant advances in parameterizations of cloud processes for both climate and numerical weather prediction models. When a single-column model (SCM), which consists of one isolated column of a global

  2. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Long-Period Variations of UV-B Radiation From Results of Ozone Reconstruction from Dendrochronologic Data Zuev, V.V. and Bondarenko, S.L., Institute of Atmospheric Optics Russian Academy of Sciences Tomsk, Russia Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The thickness of stratospheric ozone layer modulates the level of UV-B radiation reaching the surface without cloudiness. The high level of UV-B radiation causes a stress of vegetation including trees. The

  3. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Intercomparison of MISR Aerosol Retrievals with Sunphotometer and MODIS Results Diner, D.J., Martonchik. J.V., Abdou, W.A., Kahn, R.A., Gaitley, B.J., and Crean, K.A., Jet Propulsion Laboratory, California Institute of Technology Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The Multi-angle Imaging SpectroRadiometer (MISR) is one of five science instruments aboard the polar-orbiting Terra spacecraft. Among the objectives of the experiment is the global retrieval of

  4. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Impacts of Cirrus Contamination on Satellite Retrieved Microphysical Properties of Water Clouds Chang, F.-L. and Li, Z., University of Maryland Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Due to their ubiquitous presence, cirrus clouds can modify both solar reflected and terrestrial emitted radiances. Detecting the presence of cirrus clouds from satellite imagery data faces two major challenges. Firstly, they often reside in high altitude and overlap with a boundary

  5. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Optical Properties of Smoke Aerosol over ZSS in July-September 2002 from MFRSR Measurements Sviridenkov, M.A., Anikin, P.P., Romashova, E.V., Isakov, A.A., and Emilenko, A.S., A.M. Obukhov Institute of Atmospheric Physics RAS, Moscow, Russia Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Regular measurements of aerosol optical thickness at Zvenigorod Scientific Station (ZSS) of the Institute of Atmospheric Physics with MFRSR instrument were started in 2000. In summer and

  6. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Retrieval of Mean Cosine of Aerosol Phase Function from Extinction and Sky Brightness Measurements Zhuravleva, T.B.(a), Sviridenkov, M.A.(b), and Anikin, P.P.(b), Institute of Atmospheric Optics SB RAS, Tomsk, Russia (a), A.M. Obukhov Institute of Atmospheric Physics RAS, Moscow, Russia (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Asymmetry of the aerosol phase function together with optical thickness drive the magnitude of the aerosol radiative forcing. Two

  7. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Variations in the Ratio of IR Window Radiance to Microwave Water Path Observed Under Cloudless Convection Platt, C.M.(a) and Austin, R.T.(b), Department of Atmospheric Science, Colorado State University, Fort Collins, Colorado Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The measurement of the radiance of cirrus (and other) clouds at atmospheric window 8-13 micron wavelengths requires a correction for the water vapor radiance and transmittance below the clouds.

  8. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Using XML in the Data Quality Reporter System Stampf, D.(a), Bahrmann, C.P.(b), and Choudhari, C.(a), Brookhaven National Laboratory (a), Penn State University (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting In much the same way that ARM uses NETCDF formatted files to permit the interchange of data among researchers, the Data Quality Reporter System (DQ Reporter) uses the standardized XML (eXtensible Markup Language) to permit the interchange of meta-data among

  9. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Evaluation of Day-Night Continuity in Retrievals of Cloud Properties from GOES Heck, P.W.(a), Minnis, P.(b), Khaiyer, M.M.(a), Smith, Jr., W.L.(b), Young, D.F.(b), and Nguyen, L.(b), Analytical Services & Materials, Inc. (a), NASA Langley Research Center (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Currently, multi-spectral algorithms are being used to retrieve microphysical and radiative cloud p roperties from Geostationary Operational Environmental Satellite

  10. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    The Surface Shortwave Radiation Budget in the ECMWF Forecast System Morcrette, J.-J., European Centre for Medium-Range Weather Forecasts, United Kingdom Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The surface shortwave radiation (SSR) produced by the ECMWF forecast system since 1989 is studied with reference to the various versions of the shortwave radiation scheme. For the latest 6-spectral interval version, model SSR is compared with surface radiation measurements

  11. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    An Assessment of Aerosol Retrievals from RSS, MFRSR, and CIMEL Data Using EOF Analysis Gianelli, S.M.(a,b), Lacis, A.A.(b), and Carlson, B.E.(b), Columbia University (a), GISS (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The ability to accurately retrieve aerosol size distribrutions using the multi-filter rotating shadowband radiometer (MFRSR) is limited due to the small number of spectral bands (six) and the inability to retrieve a unique value for the effective

  12. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    A Successive Order of Scattering Model for Vector (Polarized) Radiative Transfer Min, Q. and Duan, M., State University of New York at Albany Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting A full vector radiative transfer model for vertically inhomogeneous plane-parallel media has been developed by using the successive order of scattering approach. In this model, a fast analytical expansion of Fourier decomposition is implemented and an exponent-linear assumption is used

  13. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Solar Radiative Influences on Drop Growth Harrington, J.Y, Hartman, C., and Verlinde, J., The Pennsylvania State University Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The offsetting effects of solar heating and infrared cooling on the vapor-depositional growth of cloud droplets is investigated. In this study, a marine stratocumulus cloud was simulated by using a large eddy simulation (LES) model and a detailed microphysical bin model. Including infrared cooling as

  14. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Comparison of Surface Aerosol and Ozone Budgets at ARM Continental and Polar Sites Iziomon, M.G. and Lohmann, U., Dalhousie University, Canada Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Although tropospheric aerosols and ozone are of significant importance to climate change and contribute substantially to the radiative forcing of the Earth's climate, the understanding of their climatic influence are compounded by their variable concentrations. Long-term measurements

  15. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    ARM In The Classroom: Developing an Operational Forecasting Site for the NSA Harrington, J. Y.(a) and Olsson, P. Q.(b), The Pennsylvania State University (a), The University of Alaska Anchorage (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting During the fall 2002 semester, the Department of Meteorology's Computer Applications in Meteorology course took on the project of developing an operational forecasting site for the ARM North Slope of Alaska and the Alaska Region.

  16. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    The Impact of Cumulus Cloud Field Anisotropy on Broadband Shortwave Radiative Fluxes and Atmospheric Heating Rates Hinkelman, L.M.(a), Evans, K.F.(b), Clothiaux, E.E.(a), and Ackerman, T.P.(c), The Pennsylvania State University (a), University of Colorado (b), Pacific Northwest National Laboratory (c) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The effect of fair-weather cumulus cloud field anisotropy on domain average surface fluxes and atmospheric heating profiles

  17. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    ARM Sites in the BSRN Database - Year 2002 Update Hodges, G.B., University of Colorado at Boulder CIRES and NOAA Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The current status and availability of ARM data in the Baseline Surface Radiation Network (BSRN) database is shown. The author is currently submitting data from BRS and E13 located in the Southern Great Plains Central Facility, and Manus and Nauru from the Tropical Western Pacific (TWP). These four sites comprise

  18. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Regional Atmospheric Modeling System (RAMS) Simulations of March 2000 IOP Frontal Clouds Weaver, C.P.(a), Gordon, N.D.(b), Norris, J.R.(c), and Klein, S.A.(d), Rutgers University (a), Scripps Institution of Oceanography (b), Scripps Institution of Oceanography (c), NOAA GFDL (d) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting We use RAMS simulations to increase our understanding of the processes that determine midlatitude frontal cloud structure with a focus on the ARM

  19. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Tropical Anvil Cloud Top Temperatures: An Investigation Using ARM Data from the Tropical Western Pacific Sites Hollars, S.(a), Comstock, J.M.(b), Fu, Q.(a), and Ackerman, T.P. (a), University of Washington(a) Pacific Northwest National Laboratory (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The variation of cloud top heights due to climate change plays an important role in the cloud-climate feedback. This is especially true for the tropical high clouds. Tropical

  20. ARM - Publications: Science Team Meeting Documents

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    Test of In-Cloud Water Vapor Parameterizations Using SHEBA/FIRE-ACE Observations Fu, Q. and Hollars, S., University of Washington Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Cloud schemes in numerical models require specification of saturated water vapor pressure. The in-cloud water vapor is often assumed to be saturated with respect to liquid water and ice, respectively, for pure water and ice clouds. There is an ambiguity, however, in defining the water vapor

  1. ARM - Publications: Science Team Meeting Documents

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    The Comparison Between MOD06 Cloud Products and the ARM SGP Zhang, Y.(a) and Mace, G.G.(b), University of Utah (a), University of Utah (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Clouds, especially cirrus clouds, are critical for us to better understand the characterization of radiative processes in the atmosphere which is widely recognized as a major source of uncertainty in the earth's climate. The MODIS instrument on board the flagship satellite, TERRA, of the

  2. ARM - Publications: Science Team Meeting Documents

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    Inferring Cloud Optical Depth in Realistic Cumulus Fields: Error Analysis for Simulated and Observed Clouds Pavloski, C.F.(a), Clothiaux, E.E.(a), Barker, H.W.(b), Marshak, A.(c), Hinkelman, L.M.(a), and Ackerman, T.P.(d), The Pennsylvania State University (a), Environment Canada (b), NASA Goddard Space Flight Center (c), Pacific Northwest National Laboratory (d) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The cloud optical depth retrieval proposed by Barker and

  3. ARM - Publications: Science Team Meeting Documents

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    A New Approach for Obtaining Advection Profiles: Application to the SHEBA Column Morrison, H.(a) and Pinto, J.O.(b), University of Colorado (a), NCAR/University of Colorado (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Time-averaged vertically-integrated 3-D advections are inferred from heat and moisture budgets obtained from observations at SHEBA for April, May, June and July. Advection was a source of heat and moisture in the column budgets during the time period,

  4. ARM - Publications: Science Team Meeting Documents

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    Retrieving Cloud Height Using Infrared Thermometer Measurements Sengupta, M., and Long, C.N., Pacific Northwest National Laboratory Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Satellite measurements using passive sensors are more accurate in measuring cloud tops than cloud bases especially in thick clouds. On the other hand, a combination of active sensors at the surface can measure both cloud tops and bases accurately. The expense of deploying and maintaining active

  5. ARM - Publications: Science Team Meeting Documents

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    A Comparison of the Characteristics of Cirrus from Doppler Radar Measurements at the ARM Sites and the CRYSTAL Field Experiment Laribee-Dowd, K. (a), Mace, G. G. (a), and Marchand, R.T. (b), University of Utah (a) Pacific Northwest National Laboratory (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting By studying the statistics of Doppler velocities in cirrus clouds, the characteristics of cirrus formed through recent injection of ice into the uppertroposphere by deep

  6. ARM - Publications: Science Team Meeting Documents

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    Investigation of Aerosol Semi-Direct Effect at the ARM Southern Great Plains Iziomon, M.G. and Lohmann, U., Dalhousie University, Canada Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Hansen et al. [1997] hypothesized that the absorption of solar radiation by black carbon within a cloud or in a clear region can result either in a local reduction of cloud cover fraction CC or can inhibit cloud formation respectively. This effect, which was termed the

  7. ARM - Publications: Science Team Meeting Documents

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    Evaluation of MODIS Cloud Mask Products (MOD35) with MMCR Data Zhang, Q. and Mace, G.G., University of Utah Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The Moderate-Resolution Imaging Spectroradiometer (MODIS) provides global observations of Earth's land, oceans, and atmosphere. The MODIS cloud mask product provides significant information on the occurrence and horizontal distribution of clouds. In this research, we develop an algorithm to identify the atmospheric

  8. ARM - Publications: Science Team Meeting Documents

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    The Properties of Cirrus over the Western Tropical Pacific as a Function of Their Assocaition with Deep Convective Outflows Deng, M.(a), Mace, G.G.(a), and Soden, B.J.(b), University of Utah (a), Geophysical Fluid Dynamics Laboratory (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The microphysical and radiative properties of upper tropospheric clouds in the tropics are known to have a substantial influence on climate. Observations from long term cloud radar

  9. ARM - Publications: Science Team Meeting Documents

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    A WWW-Staged Prototype ARM Database Utility Mace, G.G. and Hudach, D., University of Utah Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Counting from when MMCR's were first intalled at the 4 ARM sites, the ARM dataset consists of nearly 10 years of total data collected. This volume of data presents significant opportunies to explore the relationships between various parameters important to characterizing the physical state of the atmospheric column in global models.

  10. ARM - Publications: Science Team Meeting Documents

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    Using the Global Positioning System to Improve the Characterization of Water Vapor in the Southern Great Plains Braun, J., VanHove, T., and Rocken, C., University Corporation for Atmospheric Research Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The Southern Great Plains has become a unique region to test and develop Global Positioning System (GPS) applications for measuring water vapor in the atmosphere. Various networks of stations are available. The NOAA Forecast

  11. ARM - Publications: Science Team Meeting Documents

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    Improved Retrievals of Temperature and Water Vapor Profiles using a Twelve-Channel Microwave Radiometer Liljegren, J.C., Argonne National Laboratory Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Improvements in the accuracy and vertical resolution of the temperature and water vapor profiles currently available from the twelve-channel microwave radiometer can be achieved through improved spectroscopy and improved retrievals. We demonstrate how a 5% reduction in the width

  12. ARM - Publications: Science Team Meeting Documents

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    NREL Pyrheliometer Comparisons - 2002 Reda, I. and Stoffel, T.L., National Renewable Energy Laboratory Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting All broadband shortwave radiometers used by the ARM Program are calibrated with absolute cavity radiometers traceable to the World Radiometric Reference (WRR). The WRR was developed and is maintained by the World Radiation Center under the auspices of the World Meteorological Organization. Each fall, the National Renewable

  13. ARM - Publications: Science Team Meeting Documents

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    The Monte Carlo Independent Column Approximation (McICA) Barker, H.W.(a), Pincus, R.(b), and Morcrette, J.-J.(c), Meteorological Service of Canada (a), NOAA (b), ECMWF (c) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Within the existing paradigm of modelling radiative transfer for large-scale atmospheric models (LSAMs), assumptions about the nature of subgrid-scale cloud structure are woven inextricably into the fabric of the radiative transfer solver. This makes for

  14. ARM - Publications: Science Team Meeting Documents

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    Inferring Cloud Optical Depth Using Spectrally Varying Surface Albedo: Frozen Turbulence vs. Time Evolution Barker, H.W.(a), Pavloski, C.F.(b), Ovtchinnikov, M.(c), Kassianov, E.(c), Clothiaux, E.E.(b), and Marshak, A.(d), Meteorological Service of Canada (a), The Pennsylvania State University (b), Pacific Northwest National Laboratory (c), UMBC/NASA-GSFC (d) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Barker and Marshak (2001) proposed a method for inferring cloud

  15. ARM - Publications: Science Team Meeting Documents

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    Generating Sub-Grid Scale Optical Structure for GCM Calculations of Radiative Transfer Raisanen, P.(a), Barker, H.W.(a), Khairoutdinov, M.F.(b), and Randall, D.A.(b), Meteorological Service of Canada (a), Colorado State University (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The Monte Carlo Independent Column Approximation (McICA) represents a radical change in modelling radiative transfer within GCMs for it extricates descriptions of subgrid-scale optical

  16. ARM - Publications: Science Team Meeting Documents

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    Lagrangian Evolution of Cirrus Clouds Over the ARM/CART Sites Soden, B.J.(a) and Mace, G.G.(b), NOAA/GFDL (a), University of Utah (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Through their influence on the radiative and moisture budgets of the upper troposphere, cirrus clouds play an important role in regulating Earth's climate. This study seeks to better understand the evolution of cirrus clouds through a novel combination of geostationary satellites (which offer

  17. ARM - Publications: Science Team Meeting Documents

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    Diurnal Cycle of Upper Tropospheric Water Vapor Tian, B.(a) and Soden, B.J.(b), Princeton University (a), NOAA/GFDL (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Hourly observations of 6.7 micron water vapor radiances from geostationary satellites are combined with radiosonde observations and Raman lidar measurements to document the diurnal cycle in upper tropospheric water vapor. Satellite observations reveal a coherent diurnal cycle in upper tropospheric humidity

  18. ARM - Publications: Science Team Meeting Documents

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    Tropical Cirrus Parameterization for Bimodal Ice Size Spectra Ivanova, D.C.(a), Mitchell, D.L.(a), and McFarquhar, G.M.(b), Desert Research Institute, Reno, NV (a) University of Illinois at Urbana-Champaign, IL (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The role of small ice crystals in cirrus and the use of the FSSP (Forward Scattering Spectrometer Probe) to characterize the small crystal mode continues to be uncertain, although recent evidence indicates that

  19. ARM - Publications: Science Team Meeting Documents

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    Boundary Layer Structure and Fair-Weather Cumulus Characteristics at the TWP ARM Site - Comparisons with Other Tropical and Subtropical Sites Albrecht, B. and Kollias, P., University of Miami Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Fair-weather cumuli are fundamental in regulating the vertical structure of water vapor and entropy in the lowest 2 km of the Earths atmosphere over vast areas of the oceans. Boundary layer structures and cloud characteristics observed

  20. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Six-Year Climatology of Continental Stratus - Boundary Layer and Macroscopic Cloud Characteristics Kollias, P.(a), Zhu, P.(b), Gottschalck, J.(c), and Albrecht, B.(a), University of Miami (a), University of Washington (b), NASA (c) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting A climatology of macroscopic cloud and environmental properties of continental stratus is developed for continental stratus. Results are obtained by using data collected from 1997-2002 at the

  1. ARM - Publications: Science Team Meeting Documents

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    Correlaton Between Satellite-Derived Water Cloud Microphysical Properties and ARM Aerosol Data at the SGP Smith, W.L., Jr.(a), Minnis, P.(a), Ferrare, R.A.(a), and Khaiyer, M.M.(b), NASA Langley Research Center (a), Analysical Services and Materials, Inc. (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Aerosol indirect forcing arises from an increase in cloud droplet number concentration associated with increased concentrations of hygroscopic aerosol particles which

  2. ARM - Publications: Science Team Meeting Documents

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    A First Look at the Radiative Impact of Tropical Cirrus Systems Encountered During CRYSTAL-FACE Pilewskie, P. (a), Gore, W. (a), Rabbette, M. (b), Howard, S. (b), and Pommier, J. (b), NASA Ames Research Center (a), Bay Area Environmental Research Institute (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting During the 2002 CRYSTAL-FACE experiment we deployed identical solar spectral and broad-band infrared sensors on the ER-2 and CIRPAS Twin Otter in order to characterize

  3. ARM - Publications: Science Team Meeting Documents

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    Instrumentation for the AMR-UAV Payload McCoy, R.F., Tooman, T.T., and Bolton, W.B., Sandia National Laboratories Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Details of the current payload instrumentation as configured for the Proteus aircraft will be shown. A review of each instrument along with the satellite uplink capability and on board network will be discussed

  4. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Satellite Data Link on the ARM-UAV Payload McCoy, R.F, Tooman, T.T., and Bolton, W.B., Sandia National Laboratories Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The ARM-UAV payload is networked and has a satellite uplink and downlink capability. Data and payload health status can be transmitted along with instrument commands. This payload is highly modular and instruments can be added easily. Details of the systems and sample data will be presented

  5. ARM - Publications: Science Team Meeting Documents

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    Parameterization of Cloud-Radiation Interactions as Relevant to Climate Models: A New Dimension Stephens, G.L.(a), Wood, N.B.(a), Barker, H.W.(b), and Gabriel,P.(a), Colorado State University (a), Meteorological Service of Canada (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The parameterization of cloud-radiation interactions involve a number of levels of approximation. The focus of past programs like ICRCCM and I3RC have been directed largely towards assessing

  6. ARM - Publications: Science Team Meeting Documents

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    On Problems in Simulating Boundary-layer Cumulus Clouds with Third-Order Turbulence Closure Models Cheng, A.(a) and Xu, K.-M.(b), Atmospheric Sciences, NASA Langley Research Center (a), Center for Atmospheric Sciences, Hampton University (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting A hierarchy of third-order turbulence closure models are used to simulate boundary-layer cumulus clouds from the Atmospheric Radiation Measurement in this study. A moist spurious

  7. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Ice Cloud Microphysics Retrievals for the Broadband Radiative Heating Project Haynes, J.M., Stephens, G.L., and Leesman, K.J., Colorado State University Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting A new cloud microphysics retrieval is applied to cirrus observed by the Millimeter-Wavelength Cloud Radar over the ARM Southern Great Plains site. The retrieval has been developed in an optimal estimation framework which allows accurate characterization of the uncertainty of

  8. ARM - Publications: Science Team Meeting Documents

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    Comparison of Cloud Properties Retrieved from MODIS and AVHRR Data and its Validation with Surface Observation at NSA Xiong, X.(a), Lubin, D.(b), and Stamnes, K.H.(c), NOAA/NESDIS/ORA (a), Scripps Institution of Oceanography (b), Steven Institute of Technology (c) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting A rigorous discrete ordinates radiative transfer formulation has been applied to Advanced Very High Resolution Radiometer (AVHRR) and Moderate-resolution Imaging

  9. ARM - Publications: Science Team Meeting Documents

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    Non-Exponential Effective Transmission Laws in the Complex 3D Cloudy Atmosphere (...and Why They're Good News for GCMs) Davis, A.B.(a), Marshak, A.(b), and Pfeilsticker, K.(c), Los Alamos National Laboratory (a), NASA - Goddard Space Flight Center (b), Heidelberg University (c) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting It is well-known that unresolved _spectral_ variability due to gases leads to non-exponential transmission laws resulting from the mixture of

  10. ARM - Publications: Science Team Meeting Documents

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    Development and Comparison of Ground- and Satellite-based Retrievals of Cirrus Cloud Physical Properties d'Entremont, R.P.(a) and Mitchell, D.L.(b), Atmospheric and Environmental Research, Inc. (a), Desert Research Institute (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting This project is designed to (1) develop new ground- and space-based retrieval methods for cirrus cloud ice water path (IWP), effective size (Deff), and visible extinction optical thickness (OT) using

  11. ARM - Publications: Science Team Meeting Documents

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    Direct Aerosol Forcing Calculated at the ARM Southern Great Plains Site Ackerman, T.P., Flynn, D.M., and Long, C.N., Pacific Northwest National Laboratory Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The continuous measurements of direct and diffuse solar radiation, water vapor column amount, and aerosol optical depth provided at the ARM SGP site permit us to calculate directly the actual magnitude of the direct aerosol forcing. Our methodology employs the clear sky

  12. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    A Satellite Cloud, Radiation and Precipitation Data Set for Cloud Model Evaluation Xu, K.-M.(a), Wielicki, B.A.(a), Wong, T.(a), and Randall, D.A.(b), NASA Langley Research Center (a), Colorado State University (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting To systematically evaluate cloud models including large-eddy simulation (LES), cloud-resolving models (CRMs), cloud parameterizations in general circulation models (GCMs), one needs a large set of cloud, radiation

  13. ARM - Publications: Science Team Meeting Documents

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    Spurious Oscillation in Simulating Boundary-Layer Cumulus Clouds with Third-Order Turbulence Closure Models Cheng, A.(a) and Xu, K.-M.(b), Center for Atmospheric Sciences, Hampton University, Hampton, VA (a), Atmospheric Sciences, NASA Langley Research Center (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting A hierarchy of third-order turbulence closure models are used to simulate boundary-layer cumulus clouds from the Atmospheric Radiation Measurement in this study. A

  14. ARM - Publications: Science Team Meeting Documents

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    SGP Instrument Systems Performance and Data Quality Reporting for 2002 Cook, D.R., Ritsche, M.T., Holdridge, D.J., and Wesely, M.L., Argonne National Laboratory Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting This poster graphically presents statistics on the performance of several selected SGP instrument systems and the results of automated qc versus quality reporting via Data Quality Reports (DQRs). Trends in and reporting of the data quality will be discussed. In the

  15. ARM - Publications: Science Team Meeting Documents

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    A Simulation Study of Shallow Moist Convection and Its Impact on the Atmospheric Boundary Layer Zhu, P. and Bretherton, C., University of Washington Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting By comparing the simulations of a regional model (MM5) with the observations collected at the southern Great Plains (SGP) site and the tropical western Pacific (TWP) Nauru site of the Atmospheric Radiation Measurement (ARM) project, this paper evaluates the overall performance

  16. ARM - Publications: Science Team Meeting Documents

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    A High Spectral Resolution Lidar for Long-Term Arctic Deployment Eloranta, E. W., Razenkov, I. A., Garcia, J. P., and Hedrick, J. P., University of Wisconsin-Madison Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting A new High Spectral Resolution Lidar (HSRL) has been constructed for long-term operation in the Arctic. Vertical profiles of optical depth, scattering cross section, and depolarization will be observed. Unlike conventional lidar measurements, HSRL measurements

  17. ARM - Publications: Science Team Meeting Documents

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    Ensemble Single Column Modelling at the Tropical Western Pacific ARM Sites Hume, T. and Jakob, C., Bureau of Meteorology Research Centre Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Single Column Models (SCM) are widely used to assess and improve the parameterizations of moist processes and radiation within atmospheric general circulation models. SCM research within ARM has so far concentrated on the Southern Great Plains Site (SGP), where high quality observations are

  18. ARM - Publications: Science Team Meeting Documents

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    Improvements in Cloud Height Determination in ARM Satellite Retrievals Heck, P. W.(a), Minnis, P.(b), Khaiyer, M. M.(c), and Chakrapani, V.(c), CIMSS/University of Wisconsin-Madison (a), NASA Langley Research Center (b), Analytical Services and Materials, Inc. (c) Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Satellite observations of cloud properties continue to provide increasingly sophisticated insight into clouds’ role in climate, although an assessment of clouds’

  19. ARM - Publications: Science Team Meeting Documents

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    Full Spectrum Correlated-k for Shortwave Atmospheric Radiative Transfer Pawlak, D.T.(a,b), Clothiaux, E.E.(a), Modest, M.M.(c), and Cole, J.N.S.(a), Department of Meteorology, The Pennsylvania State University (a), Air Force Institute of Technology, Civilian Institutions Graduate Programs Division (b), Department of Mechanical Engineering, The Pennsylvania State University (c) Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Fast and accurate atmospheric radiation heating

  20. ARM - Publications: Science Team Meeting Documents

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    A Partially Prognostic Third-Order Closure Model for Modeling the Boundary Layer Cheng, A.C.(a) and Xu, K.-M.(b), Center for Atmospheric Sciences, Hampton University (a), Atmospheric Sciences, NASA Langley Research Center (b) Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting A new partially prognostic third-order closure (TOC) model is developed to model boundary-layer clouds in this study. The model assumes joint double Gaussian distributions of vertical velocity,

  1. ARM - Publications: Science Team Meeting Documents

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    Inferring Domain-Averaged Cloud Properties from the ARM Observations and Testing the PCLOS Models Ma, Y.(a) and Ellingson, R.G.(b), University of Maryland (a), Florida State University (b) Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Clouds play a key role in regulating the Earth's climate. Real cloud fields are non-uniform in both the morphological and microphysical sense. However, most climate models neglect the 3D structure of real cloud fields and the inhomogeneity

  2. ARM - Publications: Science Team Meeting Documents

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    Cloud Inhomogeneity from MODIS Oreopoulos, L.(a) and Cahalan, R.F.(b), University of Maryland Baltimore County (a), NASA Goddard Space Flight Center (b) Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The study presented in this poster analyzes two full months (January and July 2003) of MODIS Atmosphere Level-3 data from the Terra and Aqua satellites in order to characterize the horizontal inhomogeneity of cloud optical properties at global scales. We first examine the

  3. ARM - Publications: Science Team Meeting Documents

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    Change of Atmospheric Boundary Layer Thermal Regime Induced by Aerosol as Measured by MTP-5 Koldaev, A.V.(a), Kadygrov, E.N.(a), Khaikine, M.N.(a), Kuznetsova, I.N.(b), and Golitsyn, G.S.(c), Central Aerological Observatory (a), Hydrometeorological Center (b), A.M.Obukhov Institute of Atmospheric Physics Russian Academy of Science (c) Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Change in atmospheric boundary layer (ABL) radiation balance as caused by natural and

  4. ARM - Publications: Science Team Meeting Documents

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    Inferring Cloud Properties from Narrow-Field-of-View Spectral Radiometers Marshak, A.(a), Knyazikhin, Y.(b), Evans, K.(c), and Wiscombe, W.(a), NASA/GSFC (a), Boston University (b), UMBC/JCET (c) Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The most common approach for retrieving cloud optical depth from ground-based observations uses downwelling fluxes measured by pyranometers and Multi-Filter Rotating Shadowband Radiometers (MFRSR). The key element in both retrieval

  5. ARM - Publications: Science Team Meeting Documents

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    Heterochromatic Extinction During Nighttime at the SGP Musat, I.C.(a) and Ellingson, R.G.(b), University of Maryland (a), Florida State University (b) Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The Whole Sky Imager (WSI) at the Central Facility, working as star photometer, is used to produce estimates of all-sky extinction and total optical depth and their variations over short periods of time (hours). These are heterochromatic values which depend on the star color.

  6. ARM - Publications: Science Team Meeting Documents

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    ARM Radiosonde Humidity Measurements and Proposed Corrections Based On AWEX Radiosonde Intercomparisons Miloshevich, L.M.(a), Lesht, B.M.(b), and Voemel, H.(c), National Center for Atmospheric Research (a), Argonne National Laboratory (b), NOAA/CMDL (c) Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting ARM radiosonde relative humidity (RH) measurements are widely used in numerical modeling, remote sensor validation, and radiative transfer calculations, yet their accuracy as

  7. ARM - Publications: Science Team Meeting Documents

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    Small-Scale Drop Size Variability on the Estimation of Cloud Optical Properties Knyazikhin, Y.(a), Marshak, A.(b), and Wiscombe, W.(b), Boston University (a), NASA/GSFC (b) Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Most of the existing cloud radiation models assume that the mean number of drops with a given radius varies proportionally to volume. The analysis of FSSP data acquired during ARM Cloud IOP, March, 2000 suggests that for sufficiently small volumes the

  8. ARM - Publications: Science Team Meeting Documents

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    Modeling Aerosols and Clouds with the Global Environmental Multiscale Air Quality (GEM-AQ) Model Iziomon, M.G. and Lohmann, U., Department of Physics and Atmospheric Science, Dalhousie University Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The Global Environmental Multiscale (GEM) model is an integrated forecasting and data assimilation system developed by the Meteorological Service of Canada and adapted for air quality (AQ) studies within the framework of the

  9. ARM - Publications: Science Team Meeting Documents

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    ARM Micropulse Lidar: Configuration Upgrades and New Data Products Flynn, C.J., Mendoza, A., and Christy, J., Pacific Northwest National Laboratory Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The ARM Program has operated Micropulse Lidar (MPL) systems for more than one decade. However, the MPL instrument configuration and data product development has been essentially static for the last five years. Meanwhile, as ARM's deployed MPL systems continue to age they exhibit

  10. ARM - Publications: Science Team Meeting Documents

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    I: Macrophysical, Microphysical and Radiative Properties Dong, X.(a), Minnis, P.(b), and Xi, B.(a), University of North Dakota (a), NASA Langley Research Center (b) Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting A record of single-layer and overcast low cloud properties has been generated using data collected from January 1997 to December 2002 at the Atmospheric Radiation Measurement (ARM) Southern Great Plains (SGP) research site. Here in part I of a series of papers

  11. ARM - Publications: Science Team Meeting Documents

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    A Semianalytic Technique to Speed Up Successive Order of Scattering Model for Optically Thick Media Duan, M. and Min, Q., Atmospheric Sciences Research Center, State University of New York Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting A semianalytic technique has been developed to speed up integration of radiative transfer over optically thick media for the successive order of scattering method. Based on characteristics of internal distribution of scattering intensity,

  12. ARM - Publications: Science Team Meeting Documents

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    Single Cloud Model (SCM) Results for March of 2000 to the Prototype ARM Microbase Value Added Products (VAPs) Kim, B.-G.(a), Klein, S.A.(b), Miller, M.A.(c), and Johnson, K.L.(c), Princeton University (a), GFDL/NOAA (b), Brookhaven National Laboratory (c) Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The sophistication of cloud models in global climate model has increased dramatically over the last several decades. For latest improvements to be completely realized,

  13. ARM - Publications: Science Team Meeting Documents

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    Cirrus Optical Depths Derived from GOES-8 and Surface Measurements Min, Q.(a) and Minnis, P.(b), ASRC, SUNY at Albany (a), NASA Langley Research Center (b) Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Passive radiometer measurements are used to validate satellite-derived cirrus optical depths over the Atmospheric Radiation Measurement Program Southern Great Plains site during March 2000. Optical depths derived from direct beam measurements by a multifilter rotating

  14. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    A Continuous Baseline Microphysical Retrieval (MICROBASE): Status of SGP Version 1.2 and Prototype TWP Version Miller, M.A.(a), Johnson, K.L.(a), Jensen, M.P.(b), Mace, G.G.(c), Dong, X.(d), and Vogelmann, A.M.(a), Brookhaven National Laboratory (a), Columbia University (b), University of Utah (c), University of North Dakota (d) Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The interaction of clouds with incoming and outgoing radiation streams produces discontinuous

  15. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Interactions Between Clouds and Radiation in the Multiscale Modelling Framework Cole, J.N.S.(a), Barker, H.W.(b), Khairoutdinov, M.F.(c), and Randall, D.A.(c), The Pennsylvania State University (a), Meteorological Service of Canada (b), Colorado State University (c) Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The Multiscale Modelling Framework (MMF) uses 2D Cloud System Resolving Models (CSRM) to represent subgrid-scale cloud processes in Global Climate Models (GCMs).

  16. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    A Self-Consistent Hierarchy of Cirrus Cloud Property Retrieval Algorithms Mace, G.G. and Zhang, Y., University of Utah Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The problem of deriving cloud properties from remotely sensed data remains fundamentally important to many problems relevant to ARM. We have been working to derive a suite of cloud property retrieval algorithms that increase logically in complexity. Using an extensive set of aircraft data to constrain the

  17. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Evidence of High Ice Supersaturation in Cirrus Clouds Using ARM Raman Lidar Measurements Comstock, J.M., Ackerman, T.P., and Turner, D.D., Pacific Northwest National Laboratory Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Water vapor amounts in the upper troposphere are crucial to understanding the radiative feedback of cirrus clouds on the Earth’s climate. We use a unique, year-long dataset of water vapor mixing ratio inferred from ground-based Raman lidar

  18. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Cirrus Cloud Optical Properties Derived from AERI Measurements DeSlover, D.H.(a) and Turner, D.D.(b), University of Wisconsin - Madison; Cooperative Institute for Meteorological Satellite Studies (a), Pacific Northwest National Laboratory (b) Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting We demonstrate a continuing effort to develop and enhance a robust algorithm to discern ice particle effective size and infrared spectral absorption optical depth from AERI radiance

  19. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Influence of Smoke over Haze on Heating Rate and Radiative Forcing: Consistency of Measurements from Aircraft, Ground and Satellite Vant-Hull, B., Taubman, B.F., and Li, Z., Department of Meteorology, University of Maryland, College Park Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting On 8 July 2002, heavy and widespread smoke advected from fires in Quebec to the eastern seaboard of the US, rending an interesting aerosol scenario with strong absorbing aerosols (smoke)

  20. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Implementing Flexible Cloud Vertical Structure in GFDL's AM-2 Large-Scale Model Using Stochastic Clouds Pincus, R.(a), Klein, S.A.(b), and Hemmler, R.(b), NOAA-CIRES Climate DiagnosticsCenter (a), Geophysical Fluid Dynamics Laboratory (b) Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Cloud vertical structure has a significant impact on radiation and precipitation fluxes, which can then feed back to the general circulation. In large-scale models with partial cloudiness

  1. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    A Case Study of a Water Vapor Oscillation Event During the International H2O Project (IHOP 2002) Tanamachi, R.L., University of Oklahoma, School of Meteorology Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting This case study examines a sequence of boundary layer water vapor oscillation events that occurred over the Oklahoma panhandle on 12 June 2002 using data gathered by the International H2O Project (IHOP 2002) instrument array at the "Homestead" site near

  2. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Assessing the Monte Carlo Independent Column Approximation with a Super-Parametrized GCM Barker, H.W.(a), Cole, J.N.S.(b), Khairoutdinov, M.F.(c), and Randall, D.A.(c), Meteorological Service of Canada (a), The Pennsylvania State University (b), Colorado State University (c) Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The Monte Carlo Independent Column Approximation (McICA) method for computing radiative transfer fluxes in GCMs yields unbiased estimates of heating

  3. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Implications of Enhanced Relative Humidity in Cold Tropical Cirrus Jensen, E.J., NASA Ames Research Center Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting In situ measurements of water vapor concentration and temperature in tropical cirrus during the CRYSTAL-FACE mission indicate that the equilibrium relative humidity within cirrus at T < 200 K is about 20-30% higher than ice saturation. This evidence comes from both persistent contrail sampling and cold anvil cirrus

  4. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Winter Surface Radiative Energy Exchange at NSA: Cloudy vs. Clear Sky Stramler, K.(a), Del Genio, A.D.(b), and Rossow, W.(b), Columbia University (a), NASA/GISS (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting ARM measurements at Point Barrow, Alaska show that atmospheric emission drives the winter variability of the surface radiative energy exchange, as the incursion of air masses of differing properties alternately warm and cool the snow surface and the snow-ground

  5. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Mesoscale Model Investigations of the Lifecycles of Arctic Mixed-Phase Stratus Avramov, A., Harrington, J.Y., Verlinde, J., and Clothiaux, E.E., The Pennsylvania State University(a) Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Although Arctic clouds play an important role in Arctic climate system, they remain one of the least understood cloud systems. In particular, mixed-phase arctic stratus clouds which are the predominant cloud type in the Arctic, and therefore

  6. ARM - Publications: Science Team Meeting Documents

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    ARM Mobile Facility - Overview and Status Miller, M.A.(a), Widener, K.B.(b), and Jones, L.(c), Brookhaven National Laboratory(a) Pacific Northwest National Laboratory (b), Los Alamos National Laboratory (c) Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting We will present the current plans for deployment of the ARM Mobile Facility and the status of the design and integration

  7. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Evaluation of Remote Sensing of the Single Scattering Albedo of Aerosols During the Aerosol IOP Cairns, B.(a), Gianelli, S.M.(a), Carlson, B.E.(b), and Lacis, A.A.(b), Columbia University (a), NASA GISS (b) Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting It has long been known that diffuse sky radiance and irradiance measurements are sensitive to the single scattering albedo of aerosols. The main difficulties in exploiting this sensitivity to try and remotely estimate the

  8. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Investigation of Atmospheric Water Vapor and Its Radiative Effects at the ARM North Slope of Alaska CART Site Delamere, J.S., Clough, S.A., Mlawer, E.J., and Shephard, M.W., Atmospheric and Environmental Research, Inc. Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Water vapor significantly regulates radiative energy flow through the Earth’s atmosphere. Since its inception the ARM program has worked to develop improved parameterizations of water vapor radiative

  9. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Factors Controlling the Formation and Evolution of Subtropical Cumulonimbus Anvils During CRYSTAL-FACE Fridlind, A.M., Ackerman, A.S., and Jensen, E.J., NASA Ames Research Center Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Cumulonimbus systems have been hypothesized to play an important role in global climate sensitivity and their impact on moisture levels in the tropical tropopause layer may also modulate stratospheric water vapor concentrations. But the properties

  10. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Characterizating Stratiform Clouds Variability from Millimeter-Wave Radar Data Kogan, Z.N.(a), Mechem, D.B.(b), and Kogan, Y.L.(c), Cooperative Institute for Mesoscale Meteorological Studies (a), University of Oklahoma (b) Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting We analyzed the variability of low stratiform clouds over the Atmospheric Radiation Program (ARM) Southern Great Plains Cloud and Radiation Testbed using winter season observations from the millimeter wave

  11. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    ARM Engineering Process Workflow Using ExtraView Hull, T.R., Pacific Northwest National Laboratory, ARM Engineering Group Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting In order to track and quantify the number and type of tasks that the ARM Engineering group works on, the group uses the application 'ExtraView' published by Sesame Technologies. An overview of the workflow processes involved in accepting and tracking required engineering work for changes, problems, and

  12. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Cross Platform Validation of WAIL at the ARM Southern Great Plains Site Polonsky, I.N., Love, S.P., and Davis, A.B., Los Alamos National Laboratory Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting WAIL was designed to determine physical and geometrical characteristics of optically thick clouds using the off-beam component of the lidar return that can be accurately modelled within the 3D photon diffusion approximation. It is demonstrated that, beyond cloud-base height, WAIL

  13. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Comparison of Cloud Resolving Model Simulations using Size-Resolved and GCM Microphysics Parameterizations Ovtchinnikov, M. and Ghan, S., Pacific Northwest National Laboratory Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting We will show that CRM simulations using a size-resolved treatment of cloud microphysics are in remarkable agreement with CRM simulations using the bulk microphysics parameterization from the PNNL version of the NCAR CCM. This confirms the suspicion

  14. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Mesoscale Modeling of Mixed-Phase Arctic Clouds and Radiation Observed at SHEBA and the ARM NSA Site Morrison, H.C.(a) and Pinto, J.O.(a,b), University of Colorado (a), National Center for Atmospheric Research (b) Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Previous studies have shown that bulk microphysics schemes often poorly simulate Arctic cloudiness. These deficiencies led to substantial biases in the surface radiative fluxes. Simulated clouds and radiation using

  15. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Case Studies of Water Vapor Variability During the International H20 Project 2002 Using GPS Braun, J., Rocken, C., and Kuo, Y.H., UCAR/COSMIC Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The International H20 Project 2002 (IHOP_2002) was a field experiment located in the United States Southern Great Plains whose primary objective was to improve warm season rainfall prediction through the collection of precise observations of the water cycle and their assimilation into

  16. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Managing ARM IOPs - From Proposal to Final Data Submission Cialella, A., Doty, K.J., and Wagener, R., Brookhaven National Laboratory Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting A collection of Web forms and database applications have been developed to assist the coordination and documentation of Intensive Observation Periods (IOPs). The previous tool, the IOP Administration and Questionnaire System, proved too cumbersome for IOP participants and site operators to use.

  17. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Infrared Cloud Imager (ICI) Measurements of Cloud Statistics During the 2003 Cloudiness Intercomparison Campaign Gregory, L., Wagener, R., Ma, L.L., and Cialella, A., Brookhaven National Laboratory Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The process of creating ARM data-streams from external data sources is described from identification of scientific need as determined by the science working groups to implementation and documentation, which involves ARM's task

  18. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Agents in ARM: Applying Artificial Intelligence to ARM Data Mining Kuchar, O.A. and Reyes-Spindola, J., Pacific Northwest National Laboratory Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting We present a vision of a prototype environment that utilizes a co-operative community of intelligent software agents (a computer program that behaves in a manner analogous to a human agent) for the creation of an integrative, computer-based data analysis architecture to mine massive

  19. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    DOE National User Facility in the Tropical Western Pacific Jones, L.(a), Sisterson, D.L.(b), Porch, W.(a), Mather, J.H.(c), and Long, C.N.(c), Los Alamos National Laboratory (a), Argonne National Laboratory (b), Pacific Northwest National Laboratory (c) Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting In July 2003, the Department of Energy's Office of Biological and Environmental Research designated the Atmospheric Radiation Measurement sites as a National User Facility

  20. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Comparison of Cloud Information from the MMCR of ARM Sites with that from the Aqua MODIS Cloud Mask Mace, G.G. and Zhang, Q., University of Utah Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting CloudSat is an experimental satellite which will use Cloud Profiling Radar (CPR) to measure the vertical structure of clouds from space. It will fly in orbital formation as part of a constellation of satellites including Aqua, CALIPSO, PARASOL and Aura. We develop an algorithm that

  1. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    An Analytic Solution of Two-Stream Stochastic Radiative Transfer in Spatially Correlated Media Hu, Y.X.(a) and Davis, A.B.(b), NASA Langley Research Center (a), Los Alamos National Laboratory (b) Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting In situ cloud microphysics measurements show spatial auto-correlations of extinction cross sections over a wide range of scales. At some of those scales, homogeneity and independent-column assumptions fail and a three-dimensional

  2. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Finding a Method to Measure the Black Carbon State of Mixture Fiebig, M. and Ogren, J.A., National Oceanic and Administrative Administration - Climate Monitoring and Diagnostics Laboratory Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Black carbon (BC), the predominant source of solar absorption in atmospheric aerosol, can be present therein as pure BC particles distinct from purely scattering particles (external mixture), homogeneously mixed with purely scattering

  3. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Establishing the True Nature of Cloud Overlap with ARM Data Di Girolamo, L.(a), Astin, I.(b), and McFarquhar, G.M.(a), University of Illinois at Urbana-Champaign (a), University of Reading (b) Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting In recent years, many studies have stressed the importance of establishing the true nature of cloud overlap in order to improve the general circulation models used to produce climate forecasts. The long term meteorological data

  4. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Sky Cover and Cloud Fraction Kassianov, E., Long, C., and Ovtchinnikov, M., Pacific Northwest National Laboratory Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Previously (Kassianov et al., 2002), we examined the relationship between hemispherical sky cover and nadir-view cloud fraction by using model simulations. These simulations of ground-based hemispherical measurements were based on four-dimensional cloud fields produced by a large eddy simulation model. In

  5. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Cloud Base Height Kassianov, E., Long, C., and Christy, J., Pacific Northwest National Laboratory Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting We have suggested a method for estimating Cloud Base Height (CBH) by using paired ground-based Total Sky Imagers (TSI) hemispherical observations (Kassianov and Long, 2003). Our results of the model-output inverse problem showed that, for broken clouds (single layer), moderately accurate CBH retrieval is possible. Both a TSI and

  6. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Intial Results from an Automated High Spectral Resolution Lidar Eloranta, E.W., University of Wisconsin-Madison Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting An automated High Spectral Resolution Lidar constructed at the University of Wisconsin is nearly ready for an Arctic deployment. It is designed for remote operation as an Internet appliance requiring only minimal onsite attention. The system is currently installed in our roof top laboratory and is operating

  7. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Comparison of Cloud-Radiative Properties from Regional Very-High-Resolution Modeling and Satellite Retrievals Wang, D.-H. (a,b) and Minnis, P.(b), Hampton University (a), NASA Langley Research Center (b) Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Data from a regional very-high-resolution modeling/assimilation and the GOES satellite-derived cloud-radiative properties including cloud fraction, temperature, height, thickness, phase, optical depth, effective particle

  8. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Characterizing Diurnal CO2 Cycles in the Continental Boundary Layer Using Precise Concentration Measurements and a Simple Numerical Model Torn, M.S.(a), Riley, W.(a), Rischer, M.L.(a), Biraud, S.(a), and Berry, J.(b), Lawrence Berkeley National Laboratory (a), Carnegie Institution of Washington (b) Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting In continental regions, atmospheric CO2 profiles are strongly influenced by atmospheric dynamics as well as ecosystem and

  9. Consent-Based Siting Public Meeting in Atlanta (April 11, 2016) |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy Consent-Based Siting Public Meeting in Atlanta (April 11, 2016) Consent-Based Siting Public Meeting in Atlanta (April 11, 2016) Consent-Based Siting Public Meeting in Atlanta Meeting Summary Consent-based siting public meeting in Atlanta. On April 11, 2016, the Department of Energy's consent-based siting initiative hosted a public meeting in Atlanta, Georgia at the Georgia Institute of Technology's Conference Center. The purpose of this meeting was to hear from the

  10. Public Meetings: Talking Points | Department of Energy

    Energy Savers

    8-458-DEC. 17, 2004 INTELLIGENCE REFORM AND TERRORISM PREVENTION ACT OF 2004 VerDate 11-MAY-2000 13:50 Jan 28, 2005 Jkt 039139 PO 00458 Frm 00001 Fmt 6579 Sfmt 6579 E:\PUBLAW\PUBL458.108 APPS06 PsN: PUBL458 118 STAT. 3638 PUBLIC LAW 108-458-DEC. 17, 2004 Public Law 108-458 108th Congress An Act To reform the intelligence community and the intelligence and intelligence-related activities of the United States Government, and for other purposes. Be it enacted by the Senate and House of

  11. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Measurements from the Air Force Cloud Profiling Radar (AFCPR) Mozer, J.B., and Hiett, T.C., U.S. Air Force Research Laboratory Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting We will introduce a new ka-band cloud radar that is operating at the U.S. Air Force Research Laboratory (AFRL). The specific measurements we will show involve using the radar data to model the effects of clouds on nighttime urban illumination and to validate satellite cloud retrieval algorithms

  12. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    AERI Observations in the Arctic: Monthly-Average Radiance Spectra and Longwave Cloud Radiative Forcing Walden, V.P., Revercomb, H.E., Knuteson, R.O., Best, F.A., Ciganovich, N., Dedecker, R.G., Dirkx, T., Garcia, R.K., Herbsleb, R., Howell, H.B., McRae, D., Short, J., and Tobin, D., Cooperative Institute of Mesoscale Meteorological Studies/Space Science and Engineering Center/University of Wisconsin Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting Atmospheric Emitted Radiance

  13. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Sizes, Fractional Coverage, and Radar Doppler Moments Profiles of Fair-Weather Cumulus Clouds at the TWP ARM Site Kollias, P., Albrecht B.A., and Dow B.J., University of Miami Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Fair-weather cumuli are fundamental in regulating the vertical structure of water vapor and entropy in the lowest 2 km of the Earth's atmosphere over vast areas of the oceans. Using data from the mm-wavelength cloud radar, the micro-pulse lidar and

  14. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Probability of Clear Line-of-Sight Determined from the VTLC and WSI Ma, Y. and Ellingson, R.G., University of Maryland Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting An important term in the calculation of radiative transfer through a broken cloud layer is the probability of a clear line-of-sight (PCLOS) through a cloud layer as a function of view angle. The ARM Video Time-Lapsed Camera (VTLC) and the Whole Sky Imager (WSI) obtain data from which the PCLOS may be

  15. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Remote Sensing of Three-Dimensional Inhomogeneous Cirrus Clouds: Application to Climate Research Liou, K.N. (a), Ou, S.C. (a), Rolland, P. (a), Gu, Y. (a), Mace, G.G. (b), and Sassen, K. (b), University of California, Los Angeles (a), University of Utah, Salt Lake City (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting We have innovated a remote sensing methodology involving the construction of three-dimensional (3D) fields of the ice water content (IWC) and ice crystal

  16. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Uncertainties in the Line Intensities in the 1130 nm Band of Water Vapor Giver, L.P. (a), Pilewskie, P. (a), Gore, W.J. (a), Chackerian, Jr., C. (b), Varanasi, P. (c), Freedman, R.S. (d), and Bergstrom, R. (e), NASA-Ames Research Center (a), SETI Institute (b), State University of New York at Stony Brook (c), Space Physics Research Institute (d), Bay Area Environmental Research Insitute (e) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Belmiloud et al (GRL 27, 3703-3706

  17. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    International Intercomparison of 3D Radiation Codes (I3RC) Cahalan, R.F., NASA/Goddard Space Flight Center Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting This is a status report for the "International Intercomparison of 3-Dimensional Radiation Codes", or I3RC. I3RC is a 3-phase effort that has as its goals to: (1) describe and understand the errors and limits of 3D methods; (2) provide 'baseline' cases for future 3D code development; (3) promote sharing of 3D

  18. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Development of Consistent Cirrus Models for Use in the Satellite Community Yang, P. (a), Baum, B.A. (b), Nasiri, S.L. (c), Heymsfield, A.J. (d), McFarquhar, G.M. (d), Gao, B.-C. (e), Wiscombe, W.J. (f), SSAI/NASA-GSFC (a), NASA-LRC (b), University of Wisconsin-Madison (c), NCAR/MMM (d), Naval Research Laboratory (e), NASA-GSFC (f) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Satellite cirrus retrieval teams tend to develop their cirrus scattering models independently of

  19. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Validation of TOA Broadband Fluxes Derived From GMS-5 for the TWP from 1998-2000 Doelling, D.R. (a), Minnis, P. (b), Nordeen, M.L. (a), Khaiyer, M.M. (a), and Palikonda, R. (a), Analytical Services and Materials, Inc. (a), NASA Langley Research Center (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Accurate top-of-atmosphere (TOA) broadband fluxes are necessary for studying cloud radiative effects on the Earth-atmosphere system over the Tropical Western Pacific (TWP).

  20. ARM - Publications: Science Team Meeting Documents

    U.S. Department of Energy (DOE) all webpages (Extended Search)

    Global Lidar Observations of Cloud and Aerosol Campbell, J.R. (a), Welton, E.J. (b), Spinhrine, J.D. (c), and Flynn, C.J. (d), Science Systems Applications, Inc. (a), University of Maryland, Baltimore County (b), NASA/Goddard Space Flight Center (c), Pacific Northwest National Laboratory (d) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting ARM operates single-channel (523 nm) eye-safe Micropulse Lidar (MPL) systems at each of its four central facilities. A good number of