skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Tethered Aerostat Effects on Nearby Seismometers

Abstract

This report assesses seismic interference generated by a tethered aerostat. The study was motivated by a planned aerostat deployment within the footprint of the Dry Alluvium Geology seismic network. No evidence was found for seismic interference generated by the aerostat, and thus the e ects on the Dry Alluvium Geology sensors will be negligible.

Authors:
 [1]
  1. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Publication Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1412090
Report Number(s):
SAND2017-13150R
659293
DOE Contract Number:
AC04-94AL85000
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES

Citation Formats

Bowman, Daniel. Tethered Aerostat Effects on Nearby Seismometers. United States: N. p., 2017. Web. doi:10.2172/1412090.
Bowman, Daniel. Tethered Aerostat Effects on Nearby Seismometers. United States. doi:10.2172/1412090.
Bowman, Daniel. Fri . "Tethered Aerostat Effects on Nearby Seismometers". United States. doi:10.2172/1412090. https://www.osti.gov/servlets/purl/1412090.
@article{osti_1412090,
title = {Tethered Aerostat Effects on Nearby Seismometers},
author = {Bowman, Daniel},
abstractNote = {This report assesses seismic interference generated by a tethered aerostat. The study was motivated by a planned aerostat deployment within the footprint of the Dry Alluvium Geology seismic network. No evidence was found for seismic interference generated by the aerostat, and thus the e ects on the Dry Alluvium Geology sensors will be negligible.},
doi = {10.2172/1412090},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Fri Dec 01 00:00:00 EST 2017},
month = {Fri Dec 01 00:00:00 EST 2017}
}

Technical Report:

Save / Share:
  • This research project has attempted to document the effects of the haul road on the lakes and ponds across the North Slope of the Brooks Range, Alaska. After surveying all the lakes and ponds along the Trans-Alaska Pipeline access road, a series of comparative pond types potentially receiving impact by the roadway and its operation were selected for further study. Alteration in water budget, leachates from road fill and settling of road dust were the three most obvious impacts. In addition new ponds were created by road crossings and in gravel pits. The road dust which settled onto a watermore » surface decreased exponentially away from the road, decreasing from 1.5 to 12 gm/m/sup 2//day 10 meters from the road margin to 0.05 to 0.5 g/m/sup 2//day at 300 meters distance. The greatest dustfall occurred on the side away from the prevailing wind. Ponds created by the road construction had the highest production rates and algal biomasses. The leachates from road dust on the coastal plain ponds were slightly more stimulatory to plankton production and biomass accumulation than were the leachates from road dust in the foothills of the Brooks Range. Difference in the parent rock is suggested. At the level of the phytoplankton little direct effects can be seen in ponds not directly in contact with the road. All other ponds and lakes are extremely oligotrophic during the summer. The nutrient loading of more distant ponds will be predicted from a computer model in preparation.« less
  • Aerial line transect surveys of marine turtles, birds, and mammals were conducted in four areas of the Gulf of Mexico and nearby Atlantic waters. Areas surveyed were 111 km by 222 km and located off Brownsville, Texas; Marsh Island, Louisiana; Naples, Florida; and Merritt Island, Florida. Data on distribution, abundance, seasonal occurrence, and habitat use are reported in accounts for each of the 88 species observed. Information on reproduction, behavior, and potential impacts of Outer Continental Shelf (OCS) development are also discussed. Later chapters summarize the fauna of each of the four areas; characterize the inshore, nearshore, and offshore fauna;more » and discuss the effects of OCS development on marine vertebrates. 460 references, 167 figures, 65 tables.« less
  • Aerial line transect surveys of marine turtles, birds, and mammals were conducted in four areas of the Gulf of Mexico and nearby Atlantic waters. Areas surveyed were 111 km by 222 km and located off Brownsville, Texas; Marsh Island, Louisiana; Naples, Florida; and Merritt Island, Florida. Data on distribution, abundance, seasonal occurrence, and habitat use are reported in accounts for each of the 88 species observed. Information on reproduction, behavior, and potential impacts of Outer Continental Shelf (OCS) development are also discussed.
  • The liquid-dominated Cerro Prieto geothermal field of northern Baja California, Mexico has been under commercial exploitation since 1973. During the early years of operation, all waste brines were sent to an evaporation pond built west of the production area. In 1989, cooled pond brines began to be successfully injected into the reservoir along the western boundary of the geothermal system. The injection rate varied over the years, and is at present about 20% of the total fluid extracted. As expected under the continental desert conditions prevailing in the area, the temperature and salinity of the pond brines change with themore » seasons, being higher during the summer and lower during the winter. The chemistry of pond brines is also affected by precipitation of silica, oxidation of H{sub 2}S and reaction with airborne clays. Several production wells in the western part of the field (CP-I area) showed beneficial effects from injection. The chemical (chloride, isotopic) and physical (enthalpy, flow rate) changes observed in producers close to the injectors are reviewed. Some wells showed steam flow increases, in others steam flow decline rates flattened. Because of their higher density, injected brines migrated downward in the reservoir and showed up in deep wells.« less