Factors affecting the processes of soil erosion and sediment yield have more asymmetry and variability and enhance the complexity of modeling sediment yield in different scales.
影响侵蚀产沙过程的因素在时空上具有很大的不均匀性和变异性，增加了不同尺度间侵蚀产沙模拟的复杂性。
Scale transfer is the key of soil erosion and sediment yield modeling in different scales.
尺度转换是进行不同尺度间侵蚀产沙模拟的关键所在。
Erosion and sediment yield process of soil dumped by people have been analyzed by simulated rainfall experiments.
通过人工模拟降雨实验，研究分析了强降雨条件下人为弃土的侵蚀产沙量及侵蚀过程。
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