DEM: Downloading and Analyzing

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DEM_Downloading_and_Analyzing Download
File Size:
12.67 MB
File Type:
GIS Level:
  • Intermediate
Geographic Scale:
  • Global
Target Audience:
  • Higher Ed

This 20-page step-by-step lesson walks a user through downloading a Digital Elevation Model from the USGS seamless data server, formatting it, projecting it, and using it within a 2-D ArcMap session and a 3-D session using 3-D Analyst. In addition, National Land Cover Data (NLCD), Digital Orthophotoquads (DOQ), and Digital Raster Graphic (DRG) data are also downloaded and used. Derivative products are created from the data, including contour lines, slope, aspect, hillshade, and TIN.

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