The Net Anthropogenic Nitrogen Inputs (NANI) and Phosphorus Inputs (NAPI) Toolboxes
Datasets and auxiliary files for use with the NANI toolbox
US counties (GIS shapefile, zipped format, ~7.2 Mb)
Some US watersheds (GIS shapefile, zipped format, ~9.5 Mb)
NANI function, V3 (zipped format, 0.4 Mb)
NANI_GIS_Tool_Excel_Version (zipped format, ~23.75Mb)