Topographic position indices for watersheds for the western USA

Dec 27, 2010 (Last modified May 13, 2011)
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Description:
Derived from 1:250,000-scale USGS HUC 8 boundaries, this dataset represents topographic position indices for entire watershed the for the western USA. A weighted average was created for each HUC 8 watershed using approximate EMAP physical habitat substrate criteria.
Data Provided By:
US EPA/ORD/NERL/ESD Landscape Ecology Branch, Jeness Enterprises
http://www.epa.gov/esd/land-sci/emap_west_browser/pages/wemap_download.htm
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not specified
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Spatial Resolution:
1:250,000
Contact Organization:
US EPA/ORD/NERL/ESD Landscape Ecology Branch
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Creative Commons LicenseThis work is licensed under a Creative Commons Attribution 3.0 License.
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FGDC Standard Metadata XML
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Tags:
watershed, emap-west, huc, hydrologic units, soil and landform, metrics, tpi
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