Data Sources

U.S.

Data Gateway:

Geospatial Data Gateway – Natural Resources Conservation Service (NRCS)*

Location/Orientation:

Digital Raster Graph (DRG) – U.S. Geological Survey (USGS)

Digital Orthophoto Quadrangle (DOQ) – U.S. Geological Survey (USGS)*

Climate:

Climate Generator (CLIGEN) – Agricultural Research Service (ARS)

Parameter-elevation Regressions on Independent Slopes Model (PRISM) – Oregon State University*

Topography:

Earth Explorer – U.S. Geological Survey (USGS)

Geographical Coordinates and Elevation – Precision Farming with Global Positioning System (GPS)*

Soils:

Soil Survey– Natural Resources Conservation Service (NRCS)*

Land Cover Institute – U.S. Geological Survey (USGS)*

Cropland Data Layer – National Agricultural Statistics Service (NASS)*

* Integration of data source in progress.

International Climate Data

International precipitation and temperature data (Cligen) – ARS Hydrology Lab