Comprehensive Determination of Ecological Flow System for Large and Medium-Sized Reservoir Projects
WANG Zhe
ZHANG Yan
YAN Chendan
Abstract：Large and medium-sized reservoir projects are important supports for regional water resources allocation,and are of great significance for exerting social,economic,and ecological benefits of projects,while also producing certain impacts on river ecosystems.Through ensuring river ecological flow,the adverse impacts of dam construction on river ecosystems can be mitigated to a certain extent.Taking the large-scale Fushouyan Reservoir Project in Chongqing as a case study,this paper determines the components and staging of ecological flow based on the ecological protection targets in the river reaches affected by the project.The ecological base flow and sensitive-period ecological flow are calculated separately,and on the basis of analyzing their rationality,feasibility,and compatibility,the ecological flow for the project is comprehensively determined.The findings of this study can serve as a reference for the survey and design of other large and medium-sized reservoir projects.
Keywords：large and medium-sized reservoir projectsecological flow systemecological base flowsensitive-period ecological flow
Publication Date：2026-06-20
Online Publishing Date：2026-09-16(First online date of this platform, not the publication date of the document)
Pages：6( 40-45 )