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Estimated Percentages of Impervious Surfaces in 2001, Derived from the National Land Cover Database (NLCD 2001): Indiana

Indiana. Geological Survey, United States Geological Survey (USGS) · 2001 Full Details

Full Details

Title
Estimated Percentages of Impervious Surfaces in 2001, Derived from the National Land Cover Database (NLCD 2001): Indiana
Description
IS2001USGS_IN is a grid (30-meter cell size) showing estimated percentages of impervious surfaces in Indiana in 2001. This grid is a subset of the National Land Cover Data (NLCD 2001) data set. Estimates of impervious surfaces are shown in this data set as percentages when the associated layer file (IS2001USGS_IN.LYR) is loaded. The following is excerpted from metadata provided by the USGS for the NLCD 2001 (http://extract.cr.usgs.gov/distmeta/servlet/gov.usgs.edc.MetaBuilder?TYPE=HTML&DATASET=NLCD01IMPV&YMAX=39.611501479289956&YMIN=39.611501479289956&XMIN=-76.63165680473374&XMAX=-76.63165680473374): "The National Land Cover Database 2001 impervious surface layer for mapping zone 60 was produced through a cooperative project conducted by the Multi-Resolution Land Characteristics (MRLC) Consortium. The MRLC Consortium is a partnership of federal agencies (www.mrlc.gov), consisting of the U.S. Geological Survey (USGS), the National Oceanic and Atmospheric Administration (NOAA), the U.S. Environmental Protection Agency (EPA), the U.S. Department of Agriculture (USDA) Forest Service (USFS), the National Park Service (NPS), the U.S. Fish and Wildlife Service (FWS), the Bureau of Land Management (BLM) and the USDA Natural Resources Conservation Service (NRCS). One of the primary goals of the project is to generate a current, consistent, seamless, and accurate National Land cover Database (NLCD) circa 2001 for the United States at medium spatial resolution. For a detailed definition and discussion on MRLC and the NLCD 2001 products, refer to Homer et al. (2003) and <http://www.mrlc.gov/mrlc2k.asp>. "The NLCD 2001 is created by partitioning the U.S. into mapping zones. A total of 66 mapping zones were delineated within the conterminous U.S. based on ecoregion and geographical characteristics, edgematching features and the size requirement of Landsat mosaics. Mapping zone 60 encompasses whole or portions of several states in the mid-Atlantic region, including the states of New Jersey, Delaware, Maryland, Pennsylvania, Virginia, and the District of Columbia. Questions about the NLCD mapping zone 60 can be directed to the NLCD 2001 land cover mapping team at the USGS EROS Data Center (EDC), Sioux Falls, SD (605) 594-6151 or mrlc@usgs.gov."
Creator
Indiana. Geological Survey, United States Geological Survey (USGS)
Temporal Coverage
2001
Date Issued
2003-09-01
Access Rights
Public
Format
Shapefile
Language
English
Date Added
August 28, 2025

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  • Citation
    Indiana. Geological Survey, United States Geological Survey (USGS) (2003). Estimated Percentages of Impervious Surfaces in 2001, Derived from the National Land Cover Database (NLCD 2001): Indiana. . http://maps.indiana.edu/previewMaps/Environment/Land_Cover_Impervious_Surfaces_2001.html (web service)
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