关于水下运输的不同机制
On the different regimes of subaqueous transport
摘要:
我们回顾了水下沉积物输运的不同方面。我们讨论了静态阈值和它的依赖性与纵向和横向坡度,以及凝聚力。我们描述了不同的运输制度:侵蚀和动量限制的推移质和悬移质。在所有这些情况下,我们推导出饱和通量$q_{\rm sat}$和饱和长度$L_{\rm sat}$的表达式,并讨论它们的依赖关系。
英文摘要:
We review different aspects of subaqueous sediment transport. We discuss the static threshold and its dependency with longitudinal and transverse slopes, as well as cohesion. We describe the different regimes of transport: erosion and momentum limited bed load, and suspended load. In all these cases, we derive the expressions of the saturation flux $q_{\rm sat}$ and the saturation length $L_{\rm sat}$ and discuss their dependencies.
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