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首页> 外文期刊>Catena: An Interdisciplinary Journal of Soil Science Hydrology-Geomorphology Focusing on Geoecology and Landscape Evolution >Technical note: The influence of splashed soil material on sediment transported by rain-impacted flows
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Technical note: The influence of splashed soil material on sediment transported by rain-impacted flows

机译：技术说明：雨水冲击流动运输泥沙土壤材料的影响

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摘要

Soil material lifted by raindrop impacting flows a few millimetres deep are transported downstream as they fall back to the soil surface. That occurs not only with material that is lifted and remains in the flow, but also material lifted into the air that falls onto the surface of the flow. The amount lifted into the air varies with flow depth and the effect of the input from airborne material on sediment discharged by rain-impacted flows is not normally taken into account in experiments on, or models of, sheet and interrill erosion where flows are more than 1 mm deep. However, in very shallow flows, the airborne input to rain-impacted flows is high and the dominant transport mechanisms the operate in deeper flows no longer operate effectively. Further research into the mechanisms that operate in transporting sediment by rain-impacted flows on slopes with high gradient is warranted.
机译：通过雨滴撞击流动的土壤材料在下游时，深深地被向下运输。 这不仅发生在抬起并保持在流动中的材料，而且还抬起到落到流动表面上的空气中的材料。 升空到空气中的量随流程深度而变化，并且在流量的实验中通常没有考虑到通过雨撞击流排出的沉积物上的沉积物的效果。 1毫米深。 然而，在非常浅的流动中，到雨撞击流的空气输出量高，并且主导的运输机制在更深的流动中运行不再有效运行。 需要进一步研究通过高梯度的斜坡上的雨水冲击流动运输沉积物的机制。

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