Total Vegetation 1984
收藏DataONE2016-10-29 更新2024-06-26 收录
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资源简介：
The coverage contains 1984 vegetation polygons representing GCES monitoring sites. These data were developed as study by Dr. G. Waring Northern AZ. University of current and historical riparian vegetation trends in the Grand Canyon. These data were delineated from historical photography (enlarged to 1:2400 scale) flown on Oct. 21, 1984. The flow of the Colorado River during acquisition was 6,500 to 26,000 CFS. These data were further edited by J. B. Sankey to only include polygons mapped by G. Waring with > 60 % vegetation canopy cover.
创建时间：
2016-10-29
