Impact of Comprehensive Management Projects on River Hydrology Based on the MIKE21 Model:A Case Study of the Jinxi Project in Fujian
Before planning and constructing comprehensive management projects in a watershed,it is necessary to study the impact of such projects on river hydrology to protect the aquatic ecosystem and water environment.This study uses the two-dimensional hydrodynamic model MIKE21,taking the Jianning section of the Jinxi River in Fujian as a case study,to simulate the impact of comprehensive management projects on the hydrology of this river section.The results show that the water level in the river section increases by 0.1 to 0.3 meters,while the flow velocity decreases by 0.4 to 0.8 meters per second.This study provides technical approaches and methods for analyzing and evaluating the impacts of comprehensive management projects on the aquatic ecosystem and water environment of small watersheds,supporting high-quality economic and social development in the basin and region.
comprehensive management of watershedriver water environment and aquatic ecosystemhydrodynamic modelhydrology impact
NETL
NSTL
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