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7 乌裕尔河流域不同坡度耕地的土壤侵蚀特征

Tab.7 Characteristics of soil erosion for arable land of different slopes in the Wuyuer River Basin

坡耕地坡度/° 面积/km2 占耕地面积百分比/% 侵蚀量/104 t 平均侵蚀模数/(t/(km2·a)) 0~5 4207.80 89.52 191.68 455.54 5~8 401.72 8.55 50.09 1247.00 8~15 87.80 1.97 18.31 2085.52 15~24 3.00 0.06 0.75 2508.67