The bridge was destroyed but the dam has influenced hydrology .

这座桥已被摧毁，但水库影响着这里的水文。

Lead editor , mark sutton from the centre for ecology and hydrology near edinburgh , told bbc news that 80 % of the nitrogen in crops feeds livestock , not people .

爱丁堡附近的生态与水文学研究中心的责任编辑马克萨顿告诉bbc，庄稼中80%的氮都喂给了家禽，而不是人。

Climate change makes hydrology trickier still .

气候变化使得水文地质更加的复杂。

Forests provide myriad other benefits , especially in hydrology and by hosting millions of species .

森林带来大量其他的好处，特别是利于水文和维持数百万的物种。

In that sense , catastrophes are as much the result of human choices as they are of geology or hydrology .

在这种意义上，灾难不是由于地质或水文原因引起的，而是人类选择的结果。