【作者】 王兵； 周梅； 郭广猛； 宋维峰； 张满良；

【Author】 Wang Bing ( Chinese Academy of Forestry, Beijing 100091, P. R. China) ; Zhou Mei( Agricultural University of Inner Mongolia) ; Guo Guangmeng( Geography Science and Resources Institute of Chinese Academy of Forestry) ; Song Weifeng( Beijing Forestry University) ; Zhang Manliang(Tian-shui Scientific Experiment Station of Soil and Water Conservation of the Yellow River Water Conservancy Committee) //

【机构】 中国林业科学研究院； 内蒙古农业大学； 中国科学院地理科学与资源研究所； 北京林业大学； 黄河水利委员会天水水土保持科学试验站；

【摘要】 使用国内共享的Terra/MODIS遥感数据计算了陇东黄土高原区修正的土壤调节植被指教(MSAVI),利用美国地质调查局(USGS)提供的CTOPO全球高程数据(DEM)计算了坡度,使用植被指数、坡度和年平均降水量因子计算得到了陇东黄土高原区的土壤侵蚀强度图。与1991年编制的土壤侵蚀强度图相比,二者具有较好的一致性,表明MODIS遥感数据在区城土壤侵蚀快速评价中具有很强的使用价值。更多还原

【Abstract】 The Modified Soil Adjustment Vegetation Index ( MSAVI) for Longdong loess plateau was calculated based on the shared remote sensing data of Terra/MODIS, and the gradient was also counted based on GTOPO - DEM data provided by the US Geological Survey ( USGS). Then the soil erosion intensity map of Longdong loess plateau region was obtained through calculating the three factors of vegetation index, slopes and average annual rainfall. Compared with the previous map produced in 1991, it showed that the two maps match each other to a great extent, and the remote sensing data of MO-DIS is very applicable for rapid assessment of regional soil erosion.更多还原