观音岩水电站生态流量研究
|
摘要
该文以观音岩水电站为例,根据河道断面曲线和水位~流量关系计算出各水力参数计算,然后用湿周法,Tennant法和R2-CROSS法对观音岩水电最小生态流量进行了分析计算。研究表明对于大型河流用Tennant法和R2-CROSS法计算的最小生态流量较接近且相对合理。
In order to maintain the stability of river basin ecosystem,to ensure the security of river ecological water requirement,it is very important to select the appropriate ecological water requirement. Taking Guanyinyan Hydropower Station for an example,according to the relationship between river cross section curves and elevation and flow,hydraulic parameter has been calculated,and then the wetted perimeter method,Tennant method and R2- CROSS method have been used to calculate the minimum ecological flow of Guanyinyan hydropower. Through research,it is shown that for large river the minimum ecological flow which calculated by Tennant method and R2- CROSS method are close and relatively reasonable.
In order to maintain the stability of river basin ecosystem,to ensure the security of river ecological water requirement,it is very important to select the appropriate ecological water requirement. Taking Guanyinyan Hydropower Station for an example,according to the relationship between river cross section curves and elevation and flow,hydraulic parameter has been calculated,and then the wetted perimeter method,Tennant method and R2- CROSS method have been used to calculate the minimum ecological flow of Guanyinyan hydropower. Through research,it is shown that for large river the minimum ecological flow which calculated by Tennant method and R2- CROSS method are close and relatively reasonable.
引文
[1]王奎超.南渡江下游河道生态需水量研究[J].广东水利水电,2008,3:39-42.
[2]徐长江,范可旭,肖天国.金沙江流域径流特征及变化趋势分析[J].人民长江,2010,41(7):11-14.
[3]尚松浩.确定河流生态流量的几种湿周法比较[J].水利水电科技进展,2011,31(4):41-44.
[4]SL/Z479—2010河湖生态需水评估导则(试行)[S].
[5]闫冠杰.鲤科鱼类形态及游泳能力的种间比较[D].重庆:重庆师范大学,2012.
[6]郑金秀,韩德举,胡望斌,等.与鱼道设计相关的鱼类游泳行为研究[J].水生态学杂志,2010,31(5):104-110.
[2]徐长江,范可旭,肖天国.金沙江流域径流特征及变化趋势分析[J].人民长江,2010,41(7):11-14.
[3]尚松浩.确定河流生态流量的几种湿周法比较[J].水利水电科技进展,2011,31(4):41-44.
[4]SL/Z479—2010河湖生态需水评估导则(试行)[S].
[5]闫冠杰.鲤科鱼类形态及游泳能力的种间比较[D].重庆:重庆师范大学,2012.
[6]郑金秀,韩德举,胡望斌,等.与鱼道设计相关的鱼类游泳行为研究[J].水生态学杂志,2010,31(5):104-110.