natural sediment yield的意思|示意

River sediment yield is the reaction of various natural factors and human action factor comprehensive role in basin, wash with sedimentation of river course to change, is related closely.

河流泥沙是流域内各种自然因素和人为因素综合作用的反应，与河道本身冲淤变化密切相关。

The paper studied the runoff generation and sediment yield regulations of the natural slope-green-land in loess zone by the simulated rainfall.

通过野外模拟降雨试验，研究黄土区天然草坡的产流、产沙规律。