Land UseLand Cover Model - PowerPoint PPT Presentation

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Land UseLand Cover Model

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NLCD 92 is a 21-category land cover classification scheme ... Perform a Zonal Operation. Census Tracts. Land Cover Raster. Land Cover Area by Census Tract table ... – PowerPoint PPT presentation

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Title: Land UseLand Cover Model


1
Land Use/Land Cover Model
  • Dr. Susan Wachter
  • Paul Amos

2
1993 USGS Land Cover Area Database Creation
3
National Land Cover Data 1992
  • NLCD 92 is a 21-category land cover
    classification scheme that has been applied
    consistently over the conterminous U.S. It is
    based primarily on the unsupervised
    classification of Landsat TM (Thematic Mapper)
    1992 imagery. Ancillary data sources included
    topography, census, agricultural statistics, soil
    characteristics, other land cover maps, and
    wetlands data. The NLCD 92 classification is
    provided as raster data with a spatial resolution
    of 30 meters.

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5
Add the census tract layer to the Map
6
Perform a Zonal Operation
Census Tracts
Land Cover Raster
Land Cover Area by Census Tract table
7
Area by Tract and Land Use
8
Aggregate Areas into one Table
9
Tables can be mapped to show land use
distribution by tracts
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