题目内容
Building a dam will lower the base level of a stream upstream from the dam.
查看答案
搜索结果不匹配？点我反馈
更多问题
The base level is the termination of vertical erosion, it is the elevation at which a river enters a large standing body of water, such as a lake or ocean.
The delta is typically built by three kinds of beds, topset beds, forest beds and bottomset bed.
The types of sedimentary bodies in rivers include:
Hjulstrom diagram discussed the relationship between particle size and the velocity of water, resulting in deposition and erosion. It tells us that to overcome the coherence of grains the water transports condensed particles with higher speed than it doesethe loose ones.
微信支付 
支付宝支付