侵蚀谷(erosional valley)是指一般河流下切,沿地形的原始地面发育而成的河谷。
冰川移动会侵蚀山地(冰川移动通常会导致出现角峰和冰斗谷),但是最冷的冰川被冻得固定在某个地方,就会保护山脉并且还会让它们“长高”。
Moving glaciers can cause erosion on mountains, but the coldest glaciers, frozen in place, protect mountains and allow them to grow taller. Cynthia Graber reports.
形成机制是流水溯源侵蚀—岩石块体崩塌—谷坡后退。
The formation mechanism is the flowing water trace to the source erosion-rock collapse-ancient slope withdrawal.
应用推荐