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Nutrients in ground water and surface water of the United States; an analysis of data through 1992

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Nutrients in ground water and surface water of the United States; an analysis of data through 1992; 1995; WRI; 95-4031; Mueller, D. K.; Hamilton, P. A.; Helsel, D. R.; Hitt, K. J.; Ruddy, B. C.

Summary

Historical data on nutrient (nitrogen and phosphorus species) concentrations in ground-and surface-water samples were compiled from 20 study units of the National Water-Quality Assessment (NAWQA) Program and 5 supplemental study areas. The resultant national retrospective data sets contained analyses of about 12,000 Found-water and more than 22,000 surface-water samples. These data were interpreted on regional and national scales by relating the distributions of nutrient concentrations to ancillary data, such as land use, soil characteristics, and hydrogeology, provided by local study-unit personnel. The information provided in this report on environmental factors that affect nutrient concentrations in ground and surface water can [...]

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Type Scheme Key
local-index unknown wri954031
local-pk unknown 25685
series unknown Water-Resources Investigations Report

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journalWater-Resources Investigations Report
edition-
languageENGLISH
citationTypeReport

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