Reproduced with permissions:
U.S. Geological Survey
United States (48 conterminous States) Lower left 120deg.W. 23deg.N.; upper left 128deg.W. 48deg.N. Upper right 65deg.W. 47deg.N.; lower right 75deg.W. 23deg.N.
Date of coverage
March-October 1990
Price
$32 each
Contents
This CD-ROM contains the complete land cover characteristics data base for the conterminous United States and is intended to provide users with the flexibility to tailor data to the unique requirements of a variety of applications. The land cover classes represent seasonal regions that were developed through the analysis of March-October 1990, 1-km advanced very high resolution radiometer (AVHRR) images, digital elevation, ecoregions, and climate data A seasonal land cover region has unique combinations of vegetation, seasonal properties (onset, peak, and length of green period), and annual production. For each seasonal land cover region, there are corresponding sets of attributes of land characteristics (vegetation components, seasonal properties, spectral measures, elevation, soils, and climate).
The data consist of: (1) the 1990 AVHRR data used in the analysis, (2) the initial and the final interpretations of the land cover regions, (3) descriptive and quantitative attributes of the land characteristics for each of the land cover regions, and (4) derived thematic interpretations of the land cover regions (for example, aggregation to the U.S. Geological Survey Anderson land cover scheme and biophysical interpretations such as the onset of greenness).
Display software compatible with PC-DOS is available on an accompanying floppy disc.
Hardward
Requires a CD-ROM reader with software drivers that read IS0-9660 formatted CD-ROM discs.
Information
Sioux Falls-ESIC EROS Data Center Sioux Falls, SD 57198 605-594-6151
For further information call 1-800-USA-MAPS.