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The Spatial Analysis Research Section proudly
announces the release of the 2007
Cropland Data Layer (CDL) DVD products over the Lower Mississippi Valley and Pacific
Northwest, including;
Arkansas, California, Idaho, Louisiana, Mississippi, Montana, Oregon,
and Washington. These products were built
exclusively with AWiFS
imagery. Two California CDL's were created using both AWiFS and Landsat 5 TM
imagery.
Please visit the Geospatial Data Gateway
to download the NASS CDL for free!
The Cropland Data Layer (CDL) contains crop specific digital data
layers, suitable for use in geographic information systems (GIS)
applications. The CDL Program annually focuses on the
corn/soybean/rice/cotton agricultural regions in the Midwestern and
Mississippi Delta States with the focus of producing digital
categorized geo-referenced output products using imagery from the
ResourceSat-1 AWiFS
sensor. This Program represents a cooperative venture between
three USDA Agencies (Headquarters units of NASS, the Foreign Agriculture Service IPA
group and the Farm Service Agency/Aerial Photography Field Office)
plus in-state agreements between NASS Field Offices and their
respective state government or university partners. Currently there are
numerous historical
research reports with more detailed information on NASS's general
uses of remote sensing and GIS.
The 2007 Cropland Data Layer
product contains statewide categorizations of ortho-rectified mosaicked
images using See5 software,
and are exported to GeoTIFF format. ESRI’s ArcReader
thin-client browser can be downloaded to view the
CDL's. Limitations of this data are declared.
The CD-ROM's and/or DVD’s are at cost of reproduction to the public.
Visit our cooperators sites to see
how they are using and enhancing the Cropland Data Layer products.
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