河道生态环境需水研究方法比较

Comparison of methods for ecological and environmental flow in river channels

对近年来的河道生态环境需水研究方法进行了回顾和分析 ,包括水文学法、水力学法、水文 生物分析法、生境模拟法、综合法以及作者参与研究的环境功能设定法等。文章对这些方法的理论基础、优缺点、适用范围进行了重点研究和评述 ,并结合我国情况分析了其在国内的应用前景。认为水文学法、生境模拟法、综合法和环境功能设定法相对来说都较适合于我国研究 ,其中生境模拟法由于实施比较复杂 。

The methods that are used to analyze ecological and environmental flow in river channels are studied. These methods are classified into hydrological method, hydraulic method, hydrological biological analysis method, habitat simulation method, integrated method, environmental function method and other methods. The contents of the above methods, their advantages and disadvantages are studied and their adaptability to Chinese rivers is evaluated. The authors point out that hydrological method, habitat simulation method, integrated method and environmental function method are the most suitable methods for current study of Chinese rivers, and that the application of habitat simulation method is restricted in some extent because of the complexity in its implementation.