Shuitu Baochi Xuebao, 2001 通过径流冲刷试验 ,运用能量守恒原理 ,分析了坡面土壤侵蚀率 (Dr)与径流能耗 (ΔE )之间的关系 ,建立了给定土壤条件下坡面土壤侵蚀率估算模型。结果表明 :坡面土壤侵蚀的发生具有一定的临界能量条件 ,以径流能耗作为土壤侵蚀形成的临界参数具有明确的物理意义 ,当径流能耗大于 7 ...
丁文峰 李占斌 崔灵周
doaj +2 more sources
Shuitu Baochi Xuebao, 2001 通过径流冲刷试验，运用能量守恒原理，分析了坡面土壤侵蚀率（Dr)与径流能耗（ΔE）之间的关系，建立了给定土壤条件下坡面土 侵蚀率估算模型，结果表明，坡面土壤侵蚀的发生具有一定的临界能量条件，以径流能耗作为土壤侵蚀形成的临界参数具有明确的物理意义，当径流能耗大于7．387J时坡面开始有侵蚀发生。
丁文峰 李占斌 等
doaj
Shuitu Baochi Xuebao, 2002 通过玻璃水槽试验和径流冲刷试验 ,初步研究了陡坡坡面水流的流速分布和坡面薄层水流冲刷剥离土壤的过程。研究表明 :陡坡薄层水流流速在坡面上并非是呈直线分布 ,而是呈波浪式分布的 ;坡面水流的剥蚀率(Dr)与坡面径流通过坡面的能量损耗 (ΔE)的关系比其与坡面水流的平均切应力 (τ) 的关系密切 ,建立了黄土坡面土壤剥蚀率估算模型 ...
李占斌 鲁克新 等
doaj
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