U.S.G.S. 8-digit, Hydrologic Units
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https://cmr.earthdata.nasa.gov/search/concepts/C1214621947-SCIOPS.html
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资源简介：
8-digit, U.S.G.S. Hydrologic Units. Modified by KY Division of Water and KY
Dept. of Fish & Wildlife Resources to meet specific mapping needs in KY. The
HUC layer was created by the USGS using ARC/INFO Geographic Information System
(GIS) software and attributed to the 11- and 14-digit hydrologic unit code by
the NRCS. The basis for selection of 11- and 14-digit hydrologic units is named
streams on 1:100,000 scale maps. All named streams on 1:100,000 scale maps had
basin boundaries delineated and digitized from 1:24,000 scale maps.
Watersheds and contributing areas for watersheds in Kentucky. Water resource
planning and water quality management.
提供机构：
SCIOPS
