NASA Technical Reports Server (NTRS) : Effective pdf

NASA Technical Reports Server (NTRS) : Effective

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The author has identified the following significant results. One unique advantage of ERTS imagery for delineating soil associations is the large area that can be scanned with one photo. Although soil associations usually are published at scales of 1:500,000 or 1:1,000,000, the delineations are drawn on much larger scale maps covering small pieces of the scene and then pieced together. Alluvial areas are usually swollen out of proportion to other soil areas. ERTS imagery puts alluvial areas into their proper size. A second feature of ERTS imagery is that a soil association map constructed with its aid assures that the cartographic level of the associations is more nearly the same. Another advantage of ERTS imagery is that the actual shape and configuration of soil associations are apparent. Also with ERTS imagery significant new delineations may become apparent which were missed when constructing soil association maps from conventional large scale photos

• Creator/s: NASA Technical Reports Server (NTRS
• Date: 11/30/1972
• Year: 1972
• Book Topics/Themes: NASA Technical Reports Server (NTRS), CROP IDENTIFICATION, GREAT PLAINS CORRIDOR (NORTH AMERICA), IMAGERY, RANGELANDS, SOIL MAPPING, EARTH RESOURCES PROGRAM, SOUTH DAKOTA, STRUCTURAL PROPERTIES (GEOLOGY), VEGETATION, Myers, V. I. [Principal Investigator

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