基于TETIS模型的黑土区乌裕尔河流域径流与侵蚀产沙模拟研究

李致颖, 方海燕

Simulation of runoff, soil erosion, and sediment yield using the TETIS model in the Wuyuer River Basin of the black soil region, Northeast China

Zhiying LI, Haiyan FANG

表4 乌裕尔河流域土壤侵蚀强度分级

Tab.4 Classification of soil erosion intensity in the Wuyuer River Basin

土壤侵蚀级别 土壤侵蚀强度/[t/(km2·a)] 面积/km2 百分比/% 微度 0~200 4657.92 63.23 轻度 200~2500 2478.96 33.65 中度 2500~5000 189.60 2.57 强烈 5000~8000 30.64 0.42 极强烈 8000~15000 8.48 0.12 剧烈 >15000 0.80 0.01