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. 2002 Jan;8(1):8–13. doi: 10.3201/eid0801.010049

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This is a publication of the U.S. Government. This publication is in the public domain and is therefore without copyright. All text from this work may be reprinted freely. Use of these materials should be properly cited.

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Visualization of the processing of land surface topography for a sample 25-km² area in New York State. a) Digital Elevation Model--a pixelated (10 m cells) representation of land surface topography. Contour lines (in meters) have been overlain. b) Postprocessing, depiction of land surface wetness at a single point in time. Blue areas are wettest. The variability and spatial distribution of surface wetness are evident.