2) instream flow incremental methodology
河道水流增量法
1.
The effects of three controlling hydraulic factors, including the discharge ratio,the Froude number of flow at lower river and the ratio of width to depth of channel at lower river,on physical habitat of fish communities were investigated by use of the instream flow incremental methodology (IFIM).
利用河道水流增量法(IFIM)研究了交汇河口汇流比、汇流口下游弗劳德数及汇流口下游宽深比这3个主要水力控制因素对鲤科鱼类及平鳍鳅科鱼类栖息地的影响。
3) ecological water requirement
河道生态需水量
1.
In view of the present ecological problems in the Dalinghe River Basin,this paper estimated ecological water requirement(including ecological base-flow,self-purification water and sediment transmission water) and ecological water supply from water resources regionalization.
本文从大凌河流域存在的环境问题出发,分别估算了各水资源分区的河道生态需水量(包括生态基流量、自净需水和输沙需水)及各区的河道生态需水贡献量。
4) Channel or Reservoir Surveying
河道水库测量
5) water requirement of a stream's self purification
河道自净需水量
6) stream flow
河道流量;河川径流;水流
补充资料：河道洪水演进(见河道洪水演算法)
河道洪水演进(见河道洪水演算法)
neaao non郎hUi河道洪水演进yanJ县n 见河道洪水演算法。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条