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Page 4364, results 109076 - 109100

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Industrial halide wastes cause acute mortality of snow geese in Oklahoma
J. K. Andreasen, Richard K. Stroud
1987, Environmental Toxicology and Chemistry (6) 291-293
An examination of 97 dead migratory waterfowl collected at an industrial facility showed that the birds had had severe gastric and intestinal hemorrhaging. Water samples taken at on-site waste lagoons contained 6,750 mg/L fluoride, 4,500 mg/L bromine and 1,500 mg/L boron. Brain and liver tissues contained high levels of fluoride,...
DEFORESTATION AND LANDSLIDES IN YUNNAN, CHINA.
Gerald F. Wieczorek, Jishan Wu, Tianchi Li
1987, Conference Paper
Landslides historically have caused severe erosion problems in the Xiao River drainage region of northeastern Yunnan Province, China, that hence resulted in serious economic and social consequences. Owing to monsoonal storms of high rainfall intensity, the erosion potential is high in this mountainous, seismically active region. Landslides transported large quantities...
BOREHOLE NEUTRON ACTIVATION: THE RARE EARTHS.
J.L. Mikesell, F. E. Senftle
1987, IEEE Transactions on Nuclear Science (35)
Neutron-induced borehole gamma-ray spectroscopy has been widely used as a geophysical exploration technique by the petroleum industry, but its use for mineral exploration is not as common. Nuclear methods can be applied to mineral exploration, for determining stratigraphy and bed correlations, for mapping ore deposits, and for studying mineral concentration...
Role of geophysics in identifying and characterizing sites for high-level nuclear waste repositories.
J. C. Wynn, E.H. Roseboom
1987, Journal of Geophysical Research (92) 7787-7796
Evaluation of potential high-level nuclear waste repository sites is an area where geophysical capabilities and limitations may significantly impact a major governmental program. Since there is concern that extensive exploratory drilling might degrade most potential disposal sites, geophysical methods become crucial as the only nondestructive means to examine large volumes...
CHANNEL EVOLUTION IN MODIFIED ALLUVIAL STREAMS.
Andrew Simon, Cliff R. Hupp
1987, Transportation Research Record 16-24
This study (a) assesses the channel changes and network trends of bed level response after modifications between 1959 and 1972 of alluvial channels in western Tennessee and (b) develops a conceptual model of bank slope development to qualitatively assess bank stability and potential channel widening. A six-step, semiquantitative model of...
Computer simulations of large asteroid impacts into oceanic and continental sites--Preliminary results on atmospheric, cratering and ejecta dynamics
D. J. Roddy, S.H. Schuster, M. Rosenblatt, L.B. Grant, Paul J. Hassig, K.N. Kreyenhagen
1987, International Journal of Impact Engineering (5) 525-541
Computer simulations have been completed that describe passage of a 10-km-diameter asteroid through the Earth's atmosphere and the subsequent cratering and ejecta dynamics caused by impact of the asteroid into both oceanic and continental sites. The asteroid was modeled as...
Tourmaline (dravite) from the Boehls Butte anorthosite, Idaho, U.S.A.
Anna Hietanen
1987, Geological Society of Finland, Bulletin (59) 91-95
Tourmaline (dravite) from a layered two-plagioclase anorthosite in the Boehls Butte quadrangle, Idaho, has the following structural formula: (Na0.55Ca0.17)0.72(Mg1.96Fe0.57Mn0.01Ti0.04V0.03Al0.47)3.08Al6(BO3)3.02Si5.98O18(OH,F)3.35. The indices of refraction are ω = 1.647(1) and ε = 1.621(1), and the unit cell parameters are a = 15.9425(6) and c = 7.1883(3)....
Endocrine events associated with spawning behavior in the sea lamprey (Petromyzon marinus)
Jane E. Linville, Lee H. Hanson, Stacia A. Sower
1987, Hormones and Behavior (21) 105-117
Levels of estradiol, progesterone, and testosterone were determined in plasma of sea lamprey (Petromyzon marinus) undergoing certain behaviors associated with spawning in natural and artifical stream environments. Significantly higher levels of estradiol, progesterone, and testosterone were found in males than in females. In the artifical spawning channel, levels of estradiol...
Computation of unsteady flows in the Alabama River
Hillary H. Jeffcoat, Marshall E. Jennings
1987, Water Resources Bulletin (23) 313-315
An application is described of the branch-network flow model, BRANCH, to the upper Alabama River system in central Alabama. The model is used to simulate one-dimensional unsteady flows and water surface elevations in approximately 60 river miles of the Alabama River system. Preliminary calibration was made using 72 hours of...
Paint chip poisoning of Laysan albatross at Midway Atoll
L. Sileo, S.I. Fefer
1987, Journal of Wildlife Diseases (23) 432-437
Epizootic mortality occurred in Laysan albatross (Diomedea immutabilis) fledgings at Midway Atoll in 1983. Heavy metal toxicity from ingestion of weathered paint chips was one of the causes. Sick albatrosses were unable to retract their wings, causing a 'droop-wing' appearance. Five normal and 12 droop-winged fledglings were captured, killed, and...
Hydrogeologic controls of surface-water chemistry in the Adirondack region of New York State
N.E. Peters, C. T. Driscoll
1987, Biogeochemistry (3) 163-180
Relationships between surface-water discharge, water chemistry, and watershed geology were investigated to evaluate factors affecting the sensitivity of drainage waters in the Adirondack region of New York to acidification by atmospheric deposition. Instantaneous discharge per unit area was derived from relationships between flow and staff-gage readings at 10 drainage basins...
Generalized potentiometric surface of the Sparta-Memphis aquifer, eastern Arkansas, spring 1980
D. J. Ackerman
1987, Water-Resources Investigations Report 87-4282
A map shows generalized contours of the altitude of water levels for wells completed in the Sparta-Memphis aquifer in eastern Arkansas. Most water-level measurements used in constructing the map were from the spring of 1980, but supplemental measurements from other years indicated no long-term change in water levels. Hydrographs for...
Geology and hydrology of the deep bedrock aquifers in eastern Colorado
S. G. Robson, E. R. Banta
1987, Water-Resources Investigations Report 85-4240
Deep bedrock aquifers are present in rocks of Cretaceous through Pennsylvanian age in eastern Colorado. These aquifers are the Laramie-Fox Hills (the uppermost aquifer studied), Fort Hays-Codell, Dakota-Cheyenne, Entrada-Dockum, Lyons, and Fountain. Structural mapping indicates the aquifers are 2,000 to 9,000 ft below land surface in most of eastern Colorado...
Water Resources Data for West Virginia, Water Year 1985
W.N. Embree, E.A. Friel, F.M. Taylor
1987, Water Data Report WV-85-1
Water resources data for the 1985 water year for West Virginia consist of records of stage, discharge, and water quality of streams; contents of reservoirs; and water levels and water quality of observation wells. This report contains discharge records for 75 streamflow-gaging stations; stage only records for 12 gaging stations,...
The hydrothermal system of the Calabozos caldera, central Chilean Andes
A.L. Grunder, J. M. Thompson, W. Hildreth
1987, Journal of Volcanology and Geothermal Research (32) 287-298
Active thermal springs associated with the late Pleistocene Calabozos caldera complex occur in two groups: the Colorado group which issues along structures related to caldera collapse and resurgence, and the Puesto Calabozos group, a nearby cluster that is chemically distinct and probably unrelated to the Colorado springs. Most of the...
Geochemical evolution of Kohala Volcano, Hawaii
M. A. Lanphere, F.A. Frey
1987, Contributions to Mineralogy and Petrology (95) 100-113
Kohala Volcano, the oldest of five shield volcanoes comprising the island of Hawaii, consists of a basalt shield dominated by tholeiitic basalt, Pololu Volcanics, overlain by alkalic lavas, Hawi Volcanics. In the upper Pololu Volcanics the lavas become more enriched in incompatible elements, and there is a transition from tholeiitic...
Relationship between peat geochemistry and depositional environments, Cranberry Island, Maine
R. Raymond Jr., C. C. Cameron, A.D. Cohen
1987, International Journal of Coal Geology (8) 175-187
The Heath, Great Cranberry Island, Maine, offers a unique locality for studying lateral and vertical relationships between radically different peat types within 1 km2. The majority of The Heath is a Sphagnum moss-dominated raised bog. Surrounding the raised bog is a swamp/marsh complex...
Seismicity map of the state of Florida
B. Glen Reagor, Carl W. Stover, Sylvester Theodore Algermissen
1987, Miscellaneous Field Studies Map 1056
This map is one of a series of seismicity maps produced by the U. S. Geological Survey that show earthquake data of individual states or groups of states at the scale of 1:1,000,000. This map shows only those earthquakes with epicenters located within the boundaries of Florida, even though earthquakes...
Denali image map
Douglas R. Binnie, Alden P. Colvocoresses
1987, Photogrammetric Engineering and Remote Sensing (53) 307-310
The Denali National Park and Preserve 1:250,000-scale image map has been prepared and published as part of the US Geological Survey's (USGS) continuing research to improve image mapping techniques. Nine multispectral scanner (MSS) images were geometrically corrected, digitally mosaicked, and enhanced at the National Mapping Division's (NMD) EROS Data Center...
Analyzing numerical errors in domain heat transport models using the CVBEM
T. V. Hromadka II
1987, Journal of Offshore Mechanics and Arctic Engineering (109) 163-169
Besides providing an exact solution for steady-state heat conduction processes (Laplace-Poisson equations), the CVBEM (complex variable boundary element method) can be used for the numerical error analysis of domain model solutions. For problems where soil-water phase change latent heat effects dominate the thermal regime, heat transport can be approximately modeled...
Dehydration of seabird prey during transport to the colony: Effects on wet weight energy densities
W.A. Montevecchi, John F. Piatt
1987, Canadian Journal of Zoology (65) 2822-2824
We present evidence to indicate that dehydration of prey transported by seabirds from capture sites at sea to chicks at colonies inflates estimates of wet weight energy densities. These findings and a comparison of wet and dry weight energy densities reported in the literature emphasize the importance of (i) accurate...