水资源与水工程学报2024，Vol.35Issue(4)：47-55,65,10.DOI:10.11705/j.issn.1672-643X.2024.04.06
基于水-经济社会-生态环境协同演变的生态流量阈值适宜性研究
Suitability of ecological flow thresholds based on the simulation of coordinated development of water-economic society-ecological environment
摘要
Abstract
The Tianmen-Hanbei River Basin is afflicted by aggravating problems,such as water use contradiction between life,production and ecology,degradation of water ecology and restriction of socio-economic development.In order to solve these problems,this study constructed a coupled water-eco-nomic society-ecological environment model based on water system theory and system dynamics method,so as to examine the suitability of in-stream ecological flow thresholds at the system level.With the appli-cation of the scenario simulation method,nine scenarios were set up to simulate the water resources sup-ply and demand,along with economic and social development in the study area under high,medium and low ecological flow thresholds from 2022 to 2035,based on the uncertainty of future natural water supply and control measures such as efficient water conservation and increased utilization of reclaimed water.The results showed that both efficient water conservation and increased utilization of reclaimed water are beneficial for alleviating conflicts between regional water users caused by the increase of ecological flow thresholds.From the perspective of coordinated development of water-economic society-ecological en-vironment,it is recommended that the ecological flow thresholds for wet years(P=25％)in the study area should be set at 30％-50％of annual runoff,while 10％-30％for normal years(P=50％)and dry years(P=75％).In addition,increasing ecological flow thresholds should be accompanied by regu-latory measures to improve water resources utilization.This study investigates the suitability of ecological flow thresholds for rivers based on the water-economic society-ecological environment co-evolutionary mechanism,which provides a theoretical basis for the optimization and scientific management of complex water resources systems.关键词
水系统/"水-经济社会-生态环境"耦合/生态流量阈值/适宜性/系统动力学Key words
water system/water-economic society-ecological environment coupling/ecological flow threshold/suitability/system dynamics分类
建筑与水利引用本文复制引用
王钰,张翔,闫少锋,刘浩源,邓梁堃,付湘..基于水-经济社会-生态环境协同演变的生态流量阈值适宜性研究[J].水资源与水工程学报,2024,35(4):47-55,65,10.基金项目
国家自然科学基金区域联合基金重点项目(U21A2002) （U21A2002）
湖北省水利科研项目(HBSLKY202310) （HBSLKY202310）
