DEM空间插值方法对土壤侵蚀模拟的影响研究——以USPED分析干热河谷典型冲沟为例

徐亚莉, 罗明良, 梁倍瑜, 昌小莉, 向卫, 张斌

Effects of different DEM spatial interpolation methods on soil erosion simulation:A case study of a typical gully of dry-hot valley based on USPED

Yali XU, Mingliang LUO, Beiyu LIANG, Xiaoli CHANG, Wei XIANG, Bin ZHANG

表4 冲沟侵蚀模拟的侵蚀/沉积面积统计表

Tab.4 Areas of erosion and deposition estimated by gully erosion simulations

IDW LPI DK ST A/m2 4573.00 4573.00 4573.00 4573.00 S/m2 796.65 746.50 667.29 784.99 SE/m2 426.38 383.10 324.39 372.60 SD/m2 370.27 363.40 342.90 412.39 SE/S 0.5352 0.5132 0.4861 0.4747 SD/S 0.4648 0.4868 0.5139 0.5253 S/A 0.1742 0.1632 0.1459 0.1717