长江科学院院报2024，Vol.41Issue(4)：37-45,9.DOI:10.11988/ckyyb.20221475
灌溉变化对华北平原地下水可持续利用的影响
Effects of Irrigation Change on Sustainable Utilization of Ground water in North China Plain
摘要
Abstract
In addressing groundwater utilization challenges in the North China Plain(NCP),we predicted the groundwater utilization trends over the next two decades considering the impact of altered irrigation practices by u-sing the calibrated distributed hydrological MIKE SHE model.In the prediction we employed three distinct scenari-os:the current situation maintenance scenario(MS1),an irrigation water volume change scenario(MS2),and an irrigation frequency change scenario(MS3).Our findings indicate that:1)Groundwater levels present a consistent downward trajectory across all scenarios.The annual decline ranges from 0.335 to 1.648 m/a under MS1,0.298 to 1.588 m/a under MS2,and 0.303 to 1.607 m/a under MS3.Particularly concerning is the emergence of groundwa-ter depression cones in the eastern coastal and Beijing-Tianjin areas,with minimal mitigation observed from changes in irrigation practices.2)Although modifying the irrigation facilitates some recovery in groundwater levels and aqui-fer storage,the impact varies.Decreasing irrigation frequency yields greater benefits compared to reducing irrigation water volume.Relative to MS1,MS2 and MS3 demonstrate potential to restore aquifer storage by 0.06 and 0.12 me-ters respectively over a 20-year period.3)However,reliance solely on altering irrigation practices falls short in halting the ongoing depletion of groundwater resources in the NCP.A comprehensive,long-term approach integra-ting additional measures is imperative to ensure sustainable groundwater management in the region.关键词
地下水/可持续利用/灌溉变化/MIKE SHE模型/华北平原Key words
groundwater/sustainable utilization/changes in irrigation/MIKE SHE model/North China Plain分类
建筑与水利引用本文复制引用
秦欢欢,黄丽想,王健泉..灌溉变化对华北平原地下水可持续利用的影响[J].长江科学院院报,2024,41(4):37-45,9.基金项目
东华理工大学博士科研启动基金项目(DHBK2016104) （DHBK2016104）
