Washington, DC
February 1, 2006
For the first time, categorized
satellite images depicting agricultural practices for the 2002
crop year in the Mid-Atlantic region are available from the
U.S. Department of Agriculture’s National Agricultural
Statistics Service (NASS). The images, provided on DVD, are
referred to as the Mid-Atlantic Cropland Data Layer (CDL). When
used in geographic information system (GIS) applications and
combined with other data layers such as soil or transportation
networks, they provide a useful tool for analyzing watersheds,
large area soil utilizations and crop rotations.
The Mid-Atlantic
CDL covers Connecticut, Delaware, Maryland, New Jersey, New
York, North Carolina, Pennsylvania, Rhode Island, Virginia and
West Virginia. The CDL combines on-the-ground information from
NASS’s 2002 June Agricultural Survey and 2002 Agricultural
Evaluation Survey with data from the 2002 Census of Agriculture,
giving users the ability to map major crops, double cropping
practices and pasture and grassland. Information on individual
farm operations is strictly confidential and therefore not
included or derivable from the DVD.
The Mid-Atlantic
CDL project is a joint effort of NASS and the Towson University
Center for Geographic Information Sciences. It encompasses 80
total Landsat 5 TM and Landsat 7 ETM+ scenes at 30 meters
resolution. The images are published in GeoTIFF format.
The 2002
Mid-Atlantic CDL DVD is available for $50. To order, or to learn
more about this and other CDL products, visit
http://www.nass.usda.gov/research/Cropland/SARS1a.htm
or call the Agricultural Statistics Hotline at (800) 727-9540.
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