Abstract
基于RUSLE模型和遥感、GIS技术，对黑龙江省克东县的土壤侵蚀状况进行定量评价。采用8 m分辨率的高分一号和5.8 m分辨率的资源三号卫星影像进行反演，得到克东县的土地利用现状图。在此基础上选取最适合该区域的RUSLE模型因子，得到克东县的侵蚀状况。对各土地利用类型的侵蚀强度进行分级统计，各地类均以微度侵蚀为主；对强烈、极强烈和剧烈三种侵蚀较强的地类进行分析，较强烈侵蚀面积占比最大的地类是旱地，并且处于有林地中间或草地中间。 Based on RUSLE model, remote sensing and GIS technology, the soil erosion situation in Kedong County of Heilongjiang Province was assessed quantitatively. Interpreting the 8-meter resolution of the GF-1 Satellite image and the 5.8-meter resolution of the ZY-3 Satellite image, the land use map of the Kedong County is obtained. On this foundation, the RUSLE model factor which is best suited to the region is selected to obtain the erosion status of the Kedong County. The erosion intensity of each land use type was statistically classified, and the local classes were mainly based on micro erosion. Analysis of land use types with three relatively strong erosion: strong, intense and violent erosion, the land use type with the largest proportion of relatively strong erosion square is dry land, and it is in the middle of forest land or grass land.
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