USDA Cropland Data Layer (CDL)
USDA CDL provides annual 30m crop-specific land cover for the continental US with over 100 crop types since 1997.
Format
GeoTIFF
Geometry
Raster (crop classification)
Coverage
Contiguous United States
Resolution
30m
About this dataset
USDA annual crop-specific land cover for the contiguous US at 30m resolution since 1997.
The USDA Cropland Data Layer (CDL) provides crop-specific land cover classification for the contiguous United States at 30m resolution, updated annually since 1997. It distinguishes over 100 crop types including corn, soybeans, wheat, cotton, and rice, derived from satellite imagery (Landsat, Sentinel-2) and ground truth data.
How to download
- 1 Open the CropScape viewer.
- 2 Navigate to your area of interest.
- 3 Select the year and crop layer.
- 4 Download the 30m GeoTIFF for use in QGIS or analysis software.
FAQ
What crops are distinguished in CDL?
CDL distinguishes over 100 crop types including corn, soybeans, winter wheat, spring wheat, cotton, rice, sorghum, barley, oats, peanuts, sunflowers, alfalfa, and others.
How accurate is the CDL?
Major crop classes typically achieve 85-95% classification accuracy. Accuracy varies by crop type and region, with corn and soybeans being the most accurate.