陕北黄土高原水蚀沟谷多维度侵蚀特征量化研究

刘畅, 周毅, 雷雪

Quantitative analysis of multi-dimensional erosion characterstics of waterworn gullies on the Loess Plateau of Northern Shaanxi

LIU Chang, ZHOU Yi, LEI Xue

表3 不同黄土厚度下三维度代表因子对比

Tab.3 Comparison of three-dimensional representative factors under different loess thickness

因子 黄土厚度/m 离散系数 25~50 50~75 75~100 100~125 125~150 150~175 175~200 >200 沟谷密度/(km/km2) 0.18 0.18 0.47 0.59 0.75 1.00 0 0.43 0.055 水平逼近度/(m/m) 0.67 0.53 0.66 0.49 0.70 1.00 0.78 0 0.105 切割深度/m 0.04 0.25 0.40 0.31 0.49 1.00 0 0.50 0.164