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Estimation of peak-discharge frequency of urban streams in Jefferson County, Kentucky
Gary R. Martin, Kevin J. Ruhl, Brian L. Moore, Martin F. Rose
1997, Water-Resources Investigations Report 97-4219
An investigation of flood-hydrograph characteristics for streams in urban Jefferson County, Kentucky, was made to obtain hydrologic information needed for waterresources management. Equations for estimating peak-discharge frequencies for ungaged streams in the county were developed by combining (1) long-term annual peakdischarge data and rainfall-runoff data collected from 1991 to 1995...
Detection of underground voids in Ohio by use of geophysical methods
Jens Munk, R. A. Sheets
1997, Water-Resources Investigations Report 97-4221
Geophysical methods are generally classified as electrical, potential field, and seismic methods. Each method type relies on contrasts of physical properties in the subsurface. Forward models based on the physical properties of air- and water-filled voids within common geologic materials indicate that several geophysical methods are technically feasible for detection...
Selected trace metals and organic compounds and bioavailability of selected organic compounds in soils, Hackberry Flat, Tillman County, Oklahoma, 1994-95
M.F. Becker
1997, Open-File Report 97-828
In 1995 the Oklahoma Department of Wildlife Conservation acquired a drained wetland in southwest Oklahoma known as Hackberry Flat. Following restoration by Wildlife Conservation the wetland will be used by migratory birds and waterfowl. If naturally occurring trace metals and residual organic compounds from agriculture and industry were present, they...
Future of the US National Strong-Motion Program
Committee for the Future of the US National Strong-Motion Program
1997, Open-File Report 97-530
These reports are presented in response to a charge of the Earthquake Hazards Reduction Program (EHRP) Program Council of the U.S. Geological Survey to 'define the future of the USGS National Strong-Motion Program (NSMP)' (Appendix A). The council requested that a 'Vision Paper' and an 'Options Document' be prepared. Each...
Sources of contamination in an urban basin in Marquette, Michigan and an analysis of concentrations, loads, and data quality
Jeffrey Steuer, William Selbig, Nancy J. Hornewer, Jeffrey Prey
1997, Water-Resources Investigations Report 97-4242
The concentrations of contaminants generated from discrete source areas are critical to urban nonpoint Source Load and Management Model (SLAMM) loading calculations to Lake Superior. This study summarizes data-collection efforts during 12 storms in October 1993 and from May through August 1994, in which stormwater data were collected concurrently at...
Water resources of Bannock Creek basin, southeastern Idaho
Joseph M. Spinazola, B.D. Higgs
1997, Water-Resources Investigations Report 97-4231
The potential for development of water resources in the Bannock Creek Basin is limited by water supply. Bannock Creek Basin covers 475 square miles in southeastern Idaho. Shoshone-Bannock tribal lands on the Fort Hall Indian Reservation occupy the northern part of the basin; the remainder of the basin is privately...
Water Budget for the Iao Area, Island of Maui, Hawaii
Patricia J. Shade
1997, Water-Resources Investigations Report 97-4244
Ground-water recharge is estimated as the residual component of a monthly water budget calculated using soil characteristics and long-term average rainfall, streamflow, irrigation, and pan-evaporation data. The water-budget components of rainfall, direct runoff, evapotranspiration, and ground-water recharge are defined seasonally, through the use of monthly data, and spatially by land-use...
Analysis of bottom sediment to estimate nonpoint-source phosphorus loads for 1981-96 in Hillsdale Lake, northeast Kansas
K. E. Juracek
1997, Water-Resources Investigations Report 97-4235
Bottom sediment in Hillsdale Lake, northeast Kansas, was analyzed as a means of estimating the annual load of total phosphorus deposited in the lake from nonpoint sources. Topographic, bathymetric, and sediment-core data were used to estimate the total mass of phosphorus in the lake-bottom sediment. Available streamflow and water-quality data...
Unit-area loads of suspended sediment, suspended solids and total phosphorus from small watersheds in Wisconsin
Steven R. Corsi, David J. Graczyk, David W. Owens, Roger T. Bannerman
1997, Fact Sheet 195-97
Watershed planners in the Wisconsin Department of Natural Resources (WDNR) and in Wisconsin county governments use estimates of loads of total solids and total phosphorus in streams for numerous management purposes. A few examples of these are to establish load reduction goals, to estimate the relative magnitude of nonpoint sources...
Physical modeling of the formation and evolution of seismically active fault zones
A.V. Ponomarev, A.D. Zavyalov, V.B. Smirnov, D.A. Lockner
1997, Tectonophysics (277) 57-81
Acoustic emission (AE) in rocks is studied as a model of natural seismicity. A special technique for rock loading has been used to help study the processes that control the development of AE during brittle deformation. This technique allows us to extend to hours fault growth which would normally occur...