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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.
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Complete Metadata
| @type | dcat:Dataset |
|---|---|
| accessLevel | public |
| bureauCode |
[ "010:12" ] |
| contactPoint |
{ "fn": "Karen R. Ryberg", "@type": "vcard:Contact", "hasEmail": "mailto:kryberg@usgs.gov" } |
| description | 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. |
| distribution |
[ { "@type": "dcat:Distribution", "title": "Digital Data", "format": "XML", "accessURL": "http://dx.doi.org/10.5066/F7NG4NQ4", "mediaType": "application/http", "description": "Landing page for access to the data" }, { "@type": "dcat:Distribution", "title": "Original Metadata", "format": "XML", "mediaType": "text/xml", "description": "The metadata original format", "downloadURL": "https://data.usgs.gov/datacatalog/metadata/USGS.577d689ee4b0ef4d2f43b473.xml" } ] |
| identifier | http://datainventory.doi.gov/id/dataset/USGS_577d689ee4b0ef4d2f43b473 |
| keyword |
[ "Chesapeake Bay", "Delaware", "District of Columbia", "James River", "Maryland", "New York", "Pennsylvania", "Potomac River", "Rappahannock River", "Susquehanna River", "USGS:577d689ee4b0ef4d2f43b473", "Virginia", "West Virginia", "impervious surfaces", "surface water quality" ] |
| modified | 2020-08-18T00:00:00Z |
| publisher |
{ "name": "U.S. Geological Survey", "@type": "org:Organization" } |
| spatial | -80.55161394556775, 36.62479659512296, -74.2272808505554, 43.55759203025379 |
| theme |
[ "geospatial" ] |
| title | Percent impervious surface for selected Chesapeake Bay watersheds |
