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Page 3166, results 79126 - 79150

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Not all publications have extents, not all extents are completely accurate
Hawaii Beach Monitoring Program: Profile locations
Ann E. Gibbs, Bruce M. Richmond, Charles H. Fletcher, Kindra P. Hillman
2001, Open-File Report 01-308
Coastal erosion is widespread and locally severe in Hawaii and other low-latitude areas. Typical erosion rates in Hawaii are in the range of 15 to 30 cm/yr (0.5 to 1 ft/yr; Hwang, 1981; Sea Engineering, Inc., 1988; Makai Ocean Engineering, Inc. and Sea Engineering, Inc.,1991). Recent studies on Oahu (Fletcher...
Simulation of flow and evaluation of bridge scour at Horse Island Chute Bridge near Chester, Illinois
Richard J. Huizinga, Paul H. Rydlund Jr.
2001, Water-Resources Investigations Report 2001-4176
The evaluation of scour at bridges throughout the State of Missouri has been ongoing since 1991, and most of these evaluations have used one-dimensional hydraulic analysis and application of conventional scour depth equations. Occasionally, the conditions of a site dictate that a more thorough hydraulic assessment is required. To provide...
Use of a watershed-modeling approach to assess hydrologic effects of urbanization, North Fork Pheasant Branch basin near Middleton, Wisconsin
Jeffrey J. Steuer, R. J. Hunt
2001, Water-Resources Investigations Report 2001-4113
The North Fork Pheasant Branch Basin in Dane County, Wisconsin is expected to undergo development. There are concerns that development will adversely affect water resources with increased flood peaks, increased runoff volumes, and increased pollutant loads. To provide a scientific basis for evaluating the hydrologic system response to development the...
Identification of water-quality trends using sediment cores from Dillon Reservoir, Summit County, Colorado
Adrienne I. Greve, Norman E. Spahr, Peter C. Van Metre, Jennifer T. Wilson
2001, Water-Resources Investigations Report 2001-4022
Since the construction of Dillon Reservoir, in Summit County, Colorado, in 1963, its drainage area has been the site of rapid urban development and the continued influence of historical mining. In an effort to assess changes in water quality within the drainage area, sediment cores were collected from Dillon Reservoir...
Effects of a vegetated stormwater-detention basin on chemical quality and temperature of runoff from a small residential development in Monroe County, New York
Donald A. Sherwood
2001, Water-Resources Investigations Report 2001-4099
The vegetated stormwater-detention basin at a small residential development in Monroe County, N.Y. has been shown to be effective in reducing loads of certain chemical constituents to receiving waters. Loads of suspended solids, nitrogen, and phosphorus have been reduced by an average of 14 to 62 percent. The basin has...
Stream-water chemistry, nutrients, and pesticides in Town Brook, a headwater stream of the Cannonsville Reservoir Watershed, Delaware County, New York, 1999
Michael R. McHale, Patrick J. Phillips
2001, Water-Resources Investigations Report 2001-4050
Stream-water chemistry was monitored from January 1 through December 31, 1999, in the Town Brook watershed (TBW) in Delaware County, N.Y. to provide a basis for future evaluation of the effectiveness of Best Management Practices (BMPs) in decreasing agricultural nutrient and pesticide leaching to receiving waters. Total runoff from the...
Diurnal variations in metal concentrations in the Alamosa River and Wightman Fork, southwestern Colorado, 1995-97
Roderick F. Ortiz, Stogner
2001, Water-Resources Investigations Report 2000-4160
A comprehensive sampling network was implemented in the Alamosa River Basin from 1995 to 1997 to address data gaps identified as part of the ecological risk assessment of the Summitville Superfund site. Aluminum, copper, iron, and zinc were identified as the constituents of concern for the risk assessment. Water-quality samples...
Percent-slope classes to characterize the unsaturated zone in North Carolina
Silvia Terziotti, Jo Leslie Eimers
2001, Open-File Report 01-495
This web site contains the Federal Geographic Data Committee-compliant metadata (documentation) for digital data produced for the North Carolina, Department of Environment and Natural Resources, Public Water Supply Section, Source Water Assessment Program. The metadata are for 11 individual Geographic Information System data sets. An overlay and indexing method was...
Water Resources Data, Pennsylvania, Water Year 2001, Volume 2. Susquehanna and Potomac River Basins
R.R. Durlin, W.P. Schaffstall
2001, Water Data Report PA-01-2
IntroductionThe Water Resources Division of the U.S. Geological Survey, in cooperation with State, municipal, and Federal agencies, collects a large amount of data pertaining to the water resources of Pennsylvania each water year. These data, accumulated during many water years, constitute a valuable data base for developing an improved understanding...
Water resources data, Pennsylvania, water year 2000. Volume 3. Ohio and St. Lawrence River Basins
Raymond W. Siwicki
2001, Water Data Report PA-00-3
IntroductionThe Water Resources Division of the U.S. Geological Survey, in cooperation with State, municipal, and Federal agencies, collects a large amount of data pertaining to the water resources of Pennsylvania each water year. These data, accumulated during many water years, constitute a valuable data base for developing an improved understanding...