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https://hdl.handle.net/11681/5993| Title: | Photo-interpretation of vegetation : literature survey and analysis |
| Authors: | U.S. Army Engineer Waterways Experiment Station Finley, Virginia P. |
| Keywords: | Aerial photography Photointerpretation Vegetation Vegetation patterns Vegetation surveys Literature survey Literature review Botany |
| Publisher: | U.S. Army Snow, Ice, and Permafrost Research Establishment. Engineer Research and Development Center (U.S.) |
| Series/Report no.: | Technical report (U.S. Army Snow |
| Description: | Technical Report Summary: The results of a literature survey on the applicability, capabilities, and limitations of existing airphoto interpretation techniques in determining certain physical properties of vegetation are reported. The interpretation of tree and scrub stands is emphasized, with special attention given to measurements of trunk diam. and spacing, canopy height and coverage, density and height of undergrowth, and type of foliage. The accuracy of measurements are examined with respect to scale, photo characteristics, seasonal effects, and light conditions. Photographic factors affecting vegetation images, vegetation characteristics obtainable from aerial photographs, and vegetation identification and its significance as an indication of terrain conditions are discussed. The appendices contain information relative to type of photography, instrumentation, species identification, physical characteristics of vegetation, and vegetative keys used in the various literature sources studied. |
| Rights: | Approved for public release; distribution is unlimited. |
| URI: | http://hdl.handle.net/11681/5993 |
| Appears in Collections: | Technical Report |
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