Description

This data set represents the estimated percentage of the 1-km grid cell that is covered by or subject to the agricultural conservation practice (CPIS04), Stream, Lagoon or Other Waste Waster (not including tailwater recovery) as an Irrigation Source (LWWIS) on agricultural land by county. Stream, Lagoon or Other Waste Waster (not including tailwater recovery) as an Irrigation Source is described as an "impoundment made by excavation or earthfill for biological treatment of animal or other agricultural waste." (U.S. Department of Agriculture, 1995) This data set was created with geographic information systems (GIS) and database management tools. The acres on which LWWIS's are applied were totaled at the county level in the tabular NRI database and then apportioned to a raster coverage of agricultural land within the county based on the Enhanced National Land Cover Dataset (NLCDe) 1-kilometer resolution land cover grids (Nakagaki, 2003). Federal land is not considered in this analysis because NRI does not record information on those lands.

Resources

Format	Description	Link
55	Landing page for access to the data	https://doi.org/10.5066/P9KPFTP9
55	Landing page for access to the data	https://doi.org/10.5066/P9KPFTP9
55	Landing page for access to the data	https://doi.org/10.5066/P9KPFTP9
55	Landing page for access to the data	https://water.usgs.gov/lookup/getspatial?nri92_is04
55	Landing page for access to the data	https://doi.org/10.5066/P9KPFTP9
55	The metadata original format	https://data.usgs.gov/datacatalog/metadata/USGS.01adf9e2-3f20-4703-b38b-915a105db3d9.xml

Stream, Lagoon, or Other Wastewater (not including tailwater recovery) as an Irrigation Source on Agricultural Land in the Conterminous United States, 1992: National Resource Inventory Conservation Practice ISO04

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