下切作用 meaning in English
downcutting
incision
Examples
- Baizhang cliff means very high and steep cliff formed by collapse of hard amamellite through long - term weathering and cutting of flowing water along the plumb joints
位于蒙山山谷中， 24亿年左右形成的二长花岗岩，垂直节理发育，经长期风化和流水下切作用，发生重力崩塌作用后坚硬岩石一侧形成百丈崖景观。 - The fall of global sea level during the last glacial maximum enhanced the fluvial gradient and river cutting , resulting in the formation of the large - scale qiantangjiang river and taihu incised valleys which were subsequently filled and rapidly buried in the post - glacial period , with the paleointerfluve being exposed to air on both flanks of the incised valleys
末次冰盛期，海平面下降的幅度大，增加了河流梯度、加强了下切作用，形成了钱塘江和太湖下切河谷，随后在冰后期被充填和埋藏，下切河谷的两侧为暴露地表的古河间地。