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Percent impervious surface for selected Chesapeake Bay watersheds
This dataset contains watershed means of estimated percent impervious surfaces for three time periods: 1992, 2002, and 2012. Estimates are based on coefficients derived from comparing land use of the 2012 NAWQA Wall-to-wall Anthropogenic Land-use Trends (NWALT) product to the 2011 National Land Cover Database (NLCD) imperviousness, then applying those coefficients to previous years (1974-2002) of the NWALT dataset.
Complete Metadata
| @id | http://datainventory.doi.gov/id/dataset/88c889aaf0489d6cce0c3c93acb7a9c4 |
|---|---|
| bureauCode |
[ "010:12" ] |
| identifier | USGS:577d689ee4b0ef4d2f43b473 |
| spatial | -80.55161394556775,36.62479659512296,-74.2272808505554,43.55759203025379 |
| theme |
[ "geospatial" ] |
