Key terms: surface running water(地表流水) sheetwash(laminar flow（片流) flood current洪流（沟谷流） stream(河流)
Key terms： surface running water（地表流水） sheetwash(laminar flow)（片流） flood current洪流(沟谷流) stream（河流）
7.1 General Concept of Surface Running water 7.1.1 Formation of Surface Running Water (1)来源：有相当的水量 (2)汇集条件：1)较差的下渗条件 2)地形起伏
7.1 General Concept of Surface Running water 7.1.1 Formation of Surface Running Water (1)来源：有 相当的水量 (2)汇集条件 ：1）较差的下渗条件 2）地形起伏
7.1 General Concept of Surface Running water 7.1.2 The Influence Factors of Geological Processes 流量(discharge)Q,流速(flow velocity) V 其次还有地形(terrain)、气候 （climate)、 植被(vegetation)、岩石及地质构造(rocks and geologic structure
7.1 General Concept of Surface Running water 7.1.2 The Influence Factors of Geological Processes 流量（discharge）Q，流速（ flow velocity） V 其次还有地形（terrain）、气候（climate）、 植被（vegetation）、岩石及地质构造（rocks and geologic structure ）
B Formation of surface running water
Formation of surface running water
1000r (X 侵蚀 100 10 包 搬运 沉积 1.0 沉降速度 0.1 0.001 0.01 0.1 1.0 10 100 1000 直径mm Relation between flow velocity and erosion, transport and deposition of a stream
Relation between flow velocity and erosion, transport and deposition of a stream