Depositional aspects of the November 1985 Flood on Cheat River and Black Fork, West Virginia
J. S. Kite, R. C. Linton
1993, Bulletin 1981-D
Widespread, intense rainfall in November 1985 produced floods that exceeded all historic events on Cheat River and most of its tributaries. Official discharge estimates for Cheat River ranged from 4,800 to 5,380 m3 /s (170,000-190,000 ft3/s) with a recurrence interval of >100 yr. In addition to considerable property damage and...
Introduction: Geomorphic studies of the storm and flood of November 3-5, 1985, in the upper Potomac and Cheat River basins
Robert B. Jacobson
1993, Bulletin 1981-A
The heavy rains of November 3-5, 1985, produced record floods and extensive landsliding in the Potomac and Cheat River basins in West Virginia and Virginia (pl. 1). Although rainfall intensity was moderate, the storm covered a very large area and produced record floods for basins in the size range of...
Annual report of the USGS Mission, Kingdom of Saudi Arabia, for the fiscal year 1992
U.S. Geological Survey Saudi Arabia Mission
1993, Technical Report USGS TR-93-1
An interagency report prepared by the U.S. Geological Survey Saudi Arabian Mission for the Ministry of Petroleum and Mineral Resources, Kingdom of Saudi Arabia. ...
Landslides triggered by the storm of November 3-5, 1985, Wills Mountain Anticline, West Virginia and Virginia
Robert B. Jacobson, John P. McGeehin, Elizabeth D. Cron, Carolyn E. Carr, John M. Harper, Alan D. Howard
1993, Bulletin 1981-C
More than 3,000 landslides were triggered by heavy rainfall in the central Appalachian Mountains of West Virginia and Virginia, November 3-5, 1985. These landslides provided the opportunity to study spatial controls on landslides, magnitude and frequency of triggering events, and the effects of landslides on flood-induced geomorphic change. The study...
Use of a mark-visual recapture technique to estimate the relative abundance of nutria
Lori A. Johnson
1993, Conference Paper, Wetlands : proceedings of the 13th Annual Conference, Society of Wetland Scientists, New Orleans, Louisiana
Seismicity remotely triggered by the magnitude 7.3 Landers, California, earthquake
D.P. Hill, P.A. Reasenberg, A. Michael, W.J. Arabaz, G. Beroza, D. Brumbaugh, J.N. Brune, R. Castro, S. Davis, D. Depolo, W.L. Ellsworth, J. Gomberg, S. Harmsen, L. House, S.M. Jackson, M.J.S. Johnston, L. Jones, Rebecca Hylton Keller, S. Malone, L. Munguia, S. Nava, J.C. Pechmann, A. Sanford, R.W. Simpson, R. B. Smith, M. Stark, M. Stickney, A. Vidal, S. Walter, V. Wong, J. Zollweg
1993, Science (260) 1617-1623
The magnitude 7.3 Landers earthquake of 28 June 1992 triggered a remarkably sudden and widespread increase in earthquake activity across much of the western United States. The triggered earthquakes, which occurred at distances up to 1250 kilometers (17 source dimensions) from the Landers mainshock, were confined to areas of persistent...
Mid‐Cretaceous extensional tectonics of the Yukon‐Tanana Terrane, Trans‐Alaska Crustal Transect (TACT), east‐central Alaska
Terry L. Pavlis, V.B. Sisson, Helen L. Foster, Warren J. Nokleberg, George Plafker
1993, Tectonics (12) 103-122
Mid‐Cretaceous crustal extension played a fundamental role in the structural evolution of the Yukon‐Tanana terrane (YTT) in the northern Cordilleran interior. In the central portion of the YTT northwest of Delta Junction, Alaska, a mylonitic shear zone juxtaposes greenschist facies rocks in the upper plate against middle to upper amphibolite...
Mobility of radioisotopes in marine surface sediments
Uri S. ten Brink, Marilyn R. Buchholtz ten Brink, P. H. Santschi
1993, Conference Paper
No abstract available....
Plant decomposition rates in two Louisiana coastal marshes
Kathleen A. Reynolds, A. Lee Foote, Glenn R. Guntenspergen
1993, Conference Paper, Wetlands : Proceedings of the 13th Annual Conference, Society of Wetland Scientists, New Orleans, Louisiana
No abstract available....
Wildlife habitat criteria in relation to future use of Conservation Reserve Program (CRP) lands
Arthur W. Allen
1993, Book, Proceedings of the Great Plains Agricultural Council Meeting
No abstract available....
Intra-specific competition (crowding) of giant sequoias (Sequoiadendron giganteum)
Thomas J. Stohlgren
1993, Forest Ecology and Management (59) 127-148
Information on the size and location of 1916 giant sequoias (Sequoiadendron giganteum (Lindl.) Buchholz) in Muir Grove, Sequoia National Park, in the southern Sierra Nevada of California was used to assess intra-specific crowding. Study objectives were to: (1) determine which parameters associated with intra-specific competition (i.e. size and distance to...
Accumulation and effects of lead and cadmium on wood ducks near a mining and smelting complex in Idaho
Lawrence J. Blus, Charles J. Henny, David J. Hoffman, Robert A. Grove
1993, Ecotoxicology (2) 139-154
A study of wood ducks (Aix sponsa) was conducted along the Coeur d'Alene River system in northern Idaho in 1986 and 1987. Most of this area has been subjected to severe contamination from lead and other metals from mining and smelting since the 1880s. In 1986, a preliminary study of...
Application of morphologic burrow interpretations to discern continental burrow architects: Lungfish or crayfish?
Stephen T. Hasiotis, Charles E. Mitchell, Russell R. Dubiel
1993, Ichnos: An International Journal for Plant and Animal Traces (2) 315-333
A methodology for trace fossil identification using burrowing signatures is tested by evaluating ancient and modern lungfish and crayfish burrows and comparing them to previously undescribed burrows in a stratigraphic interval thought to contain both lungfish and crayfish burrows. Permian burrows that bear skeletal remains of the lungfish Gnathorhiza, from museum...
Groundwater as a nonpoint source of atrazine and deethylatrazine in a river during base flow conditions
Paul J. Squillace, E.M. Thurman, Edward T. Furlong
1993, Water Resources Research (29) 1719-1729
Alluvial groundwater adjacent to the main stem river is the principal nonpoint source of atrazine and deethylatrazine in the Cedar River of Iowa after the river has been in base flow conditions for 5 days. Between two sites along a 116-km reach of the Cedar River, tributaries contributed about 25%...
Simulation of fluid distributions observed at a crude oil spill site incorporating hysteresis, oil entrapment, and spatial variability of hydraulic properties
H.I. Essaid, W.N. Herkelrath, K.M. Hess
1993, Water Resources Research (29) 1753-1770
Subsurface oil, water, and air saturation distributions were determined using 146 samples collected from seven boreholes along a 120-m transect at a crude oil spill site near Bemidji, Minnesota. The field data, collected 10 years after the spill, show a clearly defined oil body that has an oil saturation distribution...
Dioxin-like toxic potency in Forster's tern eggs from Green Bay, Lake Michigan, North America
D. E. Tillitt, T.J. Kubiak, G.T. Ankley, J. P. Giesy
1993, Chemosphere (26) 2079-2084
The endangered Forster's tern (Sternaforsteri) population on Green Bay, Wisconsin has exhibited symptoms of embryotoxicity, congenital deformities, and poor hatching success. The putative causal agents are planar halogenated hydrocarbons (PHH). The objectives of this study were: 1) to evaluate the toxic potency of PHHs in extracts of Forster's tern eggs...
Use of output from high‐resolution atmospheric models in landscape‐scale hydrologic models: An assessment
S. W. Hostetler, F. Giorgi
1993, Water Resources Research (29) 1685-1695
In this paper we investigate the feasibility of coupling regional climate models (RCMs) with landscape‐scale hydrologic models (LSHMs) for studies of the effects of climate on hydrologic systems. The RCM used is the National Center for Atmospheric Research/Pennsylvania State University mesoscale model (MM4). Output from two year‐round simulations (1983 and...
Crustal-scale thrusting and origin of the Montreal River monocline-A 35-km-thick cross section of the midcontinent rift in northern Michigan and Wisconsin
W.F. Cannon, Z. E. Peterman, P.K. Sims
1993, Tectonics (12) 728-744
A structurally simple, 35-km-thick, north facing stratigraphic succession of Late Archean to Middle Proterozoic rocks is exposed near the Montreal River, which forms the border between northern Wisconsin and Michigan. This structure, the Montreal River monocline, is composed of steeply dipping to vertical sedimentary rocks and flood basalts of the...
Measurement of variation in soil solute tracer concentration across a range of effective pore sizes
Judson W. Harvey
1993, Water Resources Research (29) 1831-1837
Solute transport concepts in soil are based on speculation that solutes are distributed nonuniformly within large and small pores. Solute concentrations have not previously been measured across a range of pore sizes and examined in relation to soil hydrological properties. For this study, modified pressure cells were used to measure...
Fate and transport of bacteria injected into aquifers
Ronald W. Harvey
1993, Current Opinion in Biotechnology (4) 312-317
Advances in our understanding of the fate and transport of bacteria introduced into aquifers, including the potential use of genetically engineered bacteria for biorestoration, are highlighted by new findings in the following areas: modeling of bacterial attachment during transport through porous media, the long-term survival of a chlorobenzoate-degrading bacterium injected...
Cruise to the Chukchi Borderland, Arctic Ocean
Arthur Grantz, 1992 Arctic Summer West Scientific Party
1993, Eos, Earth and Space Science News (74) 249-254
Oceanography and geology were the principal focuses of the U.S. Geological Survey-sponsored expedition Arctic Summer West '92, which traveled to the eastern part of the Chukchi Borderland of the Amerasia Basin, western Arctic Ocean. The expedition took place from August 20 to September 25, 1992, aboard the Coast Guard cutter...
Surface chemical effects on colloid stability and transport through natural porous media
Robert W. Puls, Cynthia J. Paul, Donald A. Clark
1993, Colloids and Surfaces A: Physicochemical and Engineering Aspects (73) 287-300
Surface chemical effects on colloidal stability and transport through porous media were investigated using laboratory column techniques. Approximately 100 nm diameter, spherical, iron oxide particles were synthesized as the mobile colloidal phase. The column packing material was retrieved from a sand and gravel aquifer on Cape Cod, MA. Previous studies...
Transport and accumulation of radionuclides and stable elements in a Missouri River Reservoir
Edward Callender, John A. Robbins
1993, Water Resources Research (29) 1787-1804
Several long sediment cores from the Cheyenne River Embayment of Lake Oahe, a 250-km-long Missouri River reservoir in South Dakota, have been analyzed for radionuclides and stable elements. The combination of fine-scale sampling and rapid sedimentation produces radionuclide distributions that can be used to estimate the detailed chronology of particle...
Landscape linkages between geothermal activity and solute composition and ecological response in surface waters draining the Atlantic slope of Costa Rica
Catherine M. Pringle, Gary L. Rowe, Frank J. Triska, Jose F. Fernandez, John West
1993, Limnology and Oceanography (38) 753-774
Surface waters draining three different volcanoes in Costa Rica, ranging from dormant to moderately active to explosive, have a wide range of solute compositions that partly reflects the contribution of different types of solute-rich, geothermal waters. Three major physical transport vectors affect flows of geothermally derived solutes: thermally driven convection...
Transport of volatile organic compounds across the capillary fringe
Kathleen A. McCarthy, Richard L. Johnson
1993, Water Resources Research (29) 1675-1683
Physical experiments were conducted to investigate the transport of a dissolved volatile organic compound (trichloroethylene, TCE) from shallow groundwater to the unsaturated zone under a variety of conditions including changes in the soil moisture profile and water table position. Experimental data indicated that at moderate groundwater velocities (0.1 m/d), vertical...