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  1. Water Mission Area National Spatial Data Infrastructure Datasets
  2. County-Level Estimates of Nitrogen and Phosphorus from Animal Manure for the Conterminous United States, 2002

County-Level Estimates of Nitrogen and Phosphorus from Animal Manure for the Conterminous United States, 2002

Dates

Release Date
2012-09-30
Time Period
2002-01-01
Publication Date

Citation

Mueller, D.K. and Gronberg, J.M., 2012, County-Level Estimates of Nitrogen and Phosphorus from Animal Manure for the Conterminous United States, 2002: U.S. Geological Survey data release, https://doi.org/10.5066/P9QVO86X.

Summary

These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This data set consists of county estimates of nitrogen and phosphorus in kilograms from animal manure in the conterminous United States for 2002. These estimates were based on county-level population data of livestock, poultry, and other animals (cattle, poultry, hogs and pigs, horses and ponies, sheep and lambs) from the 2002 Census of Agriculture (2004) using methods described in Ruddy and others (2006).

Contacts

Point of Contact :
U.S. Geological Survey, Jo Ann M. Gronberg
Originator :
David K. Mueller, Jo Ann M. Gronberg
Metadata Contact :
U.S. Geological Survey
SDC Data Owner :
California Water Science Center
USGS Mission Area :
Water Resources

Attached Files

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ofr2013-1065_manure_2002.jpg thumbnail 197.49 KB image/jpeg
ofr2013-1065_manure_2002.xml
Original FGDC Metadata
View 		48.85 KB application/fgdc+xml
ofr2013-1065_manure_2002.zip 1.34 MB application/zip

Purpose

These data are intended to provide estimates of nonpoint nitrogen and phosphorus inputs associated with manure. These data were also developed to support hydrologic studies that are part of the U.S. Geological Survey's (USGS) National Water-Quality Assessment (NAWQA) Program. The goal of the NAWQA program is to develop long-term consistent and comparable information on streams, groundwater, and aquatic ecosystems to support sound management and policy decisions (Gilliom and others, 1995).
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Provenance

These data were originally released on the Water Mission Area National Spatial Data Infrastructure Node and were migrated to sciencebase.gov in 2023. These data were released prior to the October 1, 2016 effective date for the USGS's policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release.

Additional Information

Identifiers

Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9QVO86X

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