上游同下游邊部分的濕周最長????

2009-10-13 5:22 pm
上游同下游邊部分的濕周最長.....????
同點解 ???

thx...!!!

回答 (1)

2009-10-19 3:35 am
✔ 最佳答案
lower course
This is because of he joining of tributaries, the river discharge increase ad thus, its volume and velocity of the river. In the lower course, the river has more river energy to overcome friction and has extra energy to carry out other fluvial process. And because of tis when water entre a gentle gradient area, the river velocity would slow down and result in deposition.
參考: myself 因為我係讀英文地理,所以用英文答


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