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This is a project assessing the state of major input and outputs of reactive nitrogen (Nr) and phosphorus across the coterminous US at the HUC 8 scale for three snapshots of time (2002, 2007, and 2012).
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Phosphorus inputs to the landscape from fertilizer and manure inputs, P surplus and P removal by crop harvest and hydrologic export. The input layers are now available on EPA's EnviroAtlas under...
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This dataset contains estimates of phosphorus inputs and outputs for all HUC-8 subbasins across the contiguous United States for the years 2002, 2007, and 2012 as well as estimates of legacy P surplus.
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: April 21, 2026 at 08:00 PM
