Calculation and Assurance Measures of River Ecological Flow Based on Hydrological Methods
LI Hongyu
Abstract：Guaranteeing ecological flow in rivers and lakes is one of the key measures to ensure basin ecological security.Taking the Jinzhong section of the Xiao River as the research object,the hydrological data from the Dudui and Lujiazhuan hydrological stations for the period 1980-2020 and the measured runoff data from the Huaquan water level station since its establishment in 2015 were selected for the comparative analysis of three representative hydrological calculation methods for ecological flow—the Tennant method,the Qp method,and the average flow of the driest month over the past decade.The ecological flows at the monitoring sections were evaluated based on the degree of satisfaction,and the corresponding assurance measures were proposed.The findings provide a basis for water resource allocation and management of the Xiao River,support for river health assessments,and a reference for water ecological protection.
Keywords：ecological flowhydrologyassurance measureJinzhong Section of the Xiaohe River
Publication Date：2025-08-20
Online Publishing Date：2025-09-04(First online date of this platform, not the publication date of the document)
Pages：4( 91-94 )