环境科学
分水岭
水资源管理
水文学(农业)
水资源
环境资源管理
流域管理
生态系统
流域
水土评价工具
标识
DOI:10.1061/(asce)he.1943-5584.0000874
摘要
AbstractThis study analyzed the variability of the hydrological regime in a Chinese watershed and in the available water resources and used this data to develop an optimal environmental flow allocation model that lets decision-makers work towards sustainable management of the watershed’s water resources. First, historical hydrological data was analyzed to determine its statistical parameters, flow duration characteristics, and trends based on data from two gauging stations (at the West Dayang and Wangkuai reservoirs) from 1956 to 2000 and data for Baiyangdian Lake from 1950 to 2005. The monthly and annual inflows and lake water levels were found to be highly variable. The optimization model that was developed for environmental flow allocation to the lake seeks a rational balance of providing appropriate environmental water to the lake, maximizing economic returns for humans, and minimizing agricultural yield losses. The appropriate quantity of environmental water was defined by minimizing the difference b...
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