三岔河流域坡耕地垄向与侵蚀沟分布耦合分析
贯丛, 张树文, 王让虎, 杨久春, 岳书平, 于灵雪, 王文娟

Coupling analysis between ridge direction and gully erosion of sloping cultivated lands in the Sancha River watershed
Cong GUAN, Shuwen ZHANG, Ranghu WANG, Jiuchun YANG, Shuping YUE, Lingxue YU, Wenjuan WANG
表1 三岔河流域不同高程级别耕地的平均坡度
Table 1 Average slope of cultivated land at different elevation levels in the Sancha River watershed
海拔/m <200 200~220 220~240 240~260 260~280 280~300 300~320 320~340 340~360 >360
平均坡度/° 1.0 3.3 4.7 5.5 6.4 7.5 8.5 9.9 10.3 9.7