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Page 5804, results 145076 - 145100

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Urban storm-water-quality data, Portland, Oregon, and vicinity
Timothy L. Miller
1978, Open-File Report 78-851
Urban storm-water-quality characteristics in the metropolitan area of Portland, Oreg., and Vancouver, Wash., were determined for eight drainage basins with varying drainage areas, basin slopes, impervious areas, and land uses. Automatic water-quality samplers, rain gages, and stream gages were installed in each basin. From September 1, 1975, to June 3,...
Suspended-sediment transport in the Big Eau Pleine River Basin, central Wisconsin
S. M. Hindall
1978, Open-File Report 78-313
Suspended-sediment yields in the Big Eau Pleine River basin are low to moderate in comparison with other drainage basins in Wisconsin. Average annual yield in the Big Eau Pleine River near Stratford is 32.tons per square mile, with an annual yield ranging from 1.0 to 64 tons per square mile....
Annual summary of ground-water conditions in Arizona, spring 1977 to spring 1978
Water Resources Division, U.S. Geological Survey
1978, Water-Resources Investigations Report 78-144
The withdrawal of ground water was about 5.5 million acre-feet in Arizona in 1977. About 4.7 million acre-feet of ground water was used for the irrigation of crops in 1977. The Salt River Valley and the lower Santa Cruz basin are the largest agricultural areas in the State. For 1973-77,...
Preliminary water-quality characterization of lakes in Washington
Gilbert Carl Bortleson
1978, Water-Resources Investigations Report 77-94
This report describes a method for comparing and characterizing lakes in Washington on the basis of water quality. The method can aid in selecting lakes for lake-restoration efforts. To simplify comparisons, a characteristic value (CV) was developed for each of 617 lakes in Washington using principal-component analysis. Three of 14...
Regional analysis of the effects of land use on stream-water quality; methodology and application in the Susquehanna River Basin, Pennsylvania and New York
David J. Lystrom, F. A. Rinella, D. A. Rickert, Lisa Zimmermann
1978, Water-Resources Investigations Report 78-12
A framework is presented for compiling available data for assessing statistical relationships between water quality and climate, physiography and land use. Seventeen water-quality characteristics studied represent annual mean concentrations or calculated annual yields of suspended sediment, dissolved solids and various chemical species of nitrogen and phosphorus. Usable multiple-linear regressions were...