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Improvement, Comparison, and Application of Field Measurement Methods for Grassland Vegetation Fractional Coverage

โœ Scribed by Xiao-Bing LI; Yun-Hao CHEN; Hua YANG; Yun-Xia ZHANG

Book ID
111330431
Publisher
John Wiley and Sons
Year
2005
Tongue
English
Weight
248 KB
Volume
47
Category
Article
ISSN
1672-9072

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A ยฎeld instrument was designed and ยฎeld tested for measuring the applied wind load on trees and surface-mounted obstacles in a natural boundary layer. Using this instrument, the eect of vegetation porosity on the drag coecient of small conifer trees (h 1 . 4 m) was determined directly in the ยฎeld. D