Problems of water source, flood disaster, and water pollution are the three hydrological responses in urbanization process, also are the main issues in water environment management.

水源问题、洪水问题、污水问题是城市化过程中的三大水文响应，也是城市水环境管理研究的重要课题。

youdao

Therefore, it is meaningful to carry out empirical studies on the risk management theory and assessment method in terms of the accidental pollution events in source water area.

因此，从水源地安全的角度出发，针对水源地突发性污染事件进行风险评价理论及方法的实证研究，具有一定的现实意义。

youdao

The rainstorm runoff is one of the major surface source pollution, its control and management is the main content of the regional water quality improvement plan.

暴雨径流是重要的地面污染源之一，对它的控制和管理是区域水质改善计划中的主要内容。

youdao