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应用3S技术,利用修正的土壤侵蚀方程RUSLE对2000年、2010年石家庄地表水源保护区进行水土流失计算,依据水土流失强度分级标准对生成的土壤侵蚀图进行分等定级,分析说明2000—2010年水土流失的变化及其原因,并分析了土地利用与水土流失的关系。结果表明:10年来,水土流失面积有所增加,增加面积0.33 km2。2000年中度以上土壤侵蚀等级到2010年均较大幅度转移至较低等级的土壤侵蚀;土壤侵蚀主要发生在建设用地和未利用地这两种土地利用类型。
Applying the 3S technology, the amended soil erosion equation RUSLE was used to calculate the soil and water loss of the surface water source protection areas in Shijiazhuang in 2000 and 2010, and the soil erosion maps were classified and graded according to the soil erosion intensity grading standards. The analysis shows that the soil erosion maps of 2000-2010 Year changes of soil and water loss and their causes, and analyzes the relationship between land use and soil erosion. The results showed that over the past 10 years, the area of soil and water loss has increased, with an area of 0.33 km2.2. Soil erosion largely increased to lower levels by 2010; soil erosion mainly occurred in the construction land and The two types of land use that are not utilized.