I just put a new shapefile up on the server that models Impervious Cover in Tennessee. The data was produced by EPA Region 4. Essentially they determined the percent impervious cover for each HUC 12 subwatershed. This was done for the year 2000 and then modeled using growth estimates for 2010 and 2020.
It can be categorized by the pcttia2000, pcttia2010, or pcttia2020 to show the percentages. In the EPA report for the data they tended to show the data as 5 categories: <> 20%. The online report address is included in the metadata file.
If folks have trouble they can give me a call and I'll try to help out.
Rich
Monday, December 3, 2007
Impervious Cover
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