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National Hydrography Dataset website

CMAQ Watershed Deposition Tool (WDT); N deposition estimates

US Census website

Agricultural Census (1987, 1992, and 1997; Mann Library at Cornell University)

Agricultural Census (2002 and 2007; Desktop Data Query Tool)

County-level fertilizer data (Ruddy et al., 2006)

US county delineations (ARCGis datafiles, zipped format)

US watershed delineations used for comparison of NANI estimates in Hong et al (2010)

(ARCGis datafiles, zipped format)

CMAQ grid (used to estimate locations of CMAQ N deposition estimates) (ARCGis datafiles, zipped format)




Coastal Hypoxia Research Program (CHRP)

Coastal Hypoxia Research Program Project

GIS methods – Cornell group

Baltic Nest Institute


NANI Toolbox Homepage