中国水利Issue(9)：21-27,7.DOI:10.3969/j.issn.1000-1123.2025.09.003
黄河中游水文-泥沙-植被关系失衡的灾变风险与对策
Disaster risks and countermeasures for unbalanced hydrology-sediment-vegetation relationship in the middle reaches of the Yellow River
摘要
Abstract
The middle reaches of the Yellow River are key regions for soil erosion and primary sources of sediment,facing challenges such as water scarcity and uncoordinated water-sediment dynamics.Under global climate change,the hydrology-sediment-vegetation relationship in the middle reaches of the Yellow River is at risk of imbalance:while vegetation coverage has increased,water and sediment fluxes have significantly decreased;vegetation restoration is approaching the water resource carrying capacity limit;and gravitational erosion intensifies under extreme rainstorm conditions,potentially triggering a series of extreme soil and water loss disaster risks.This study delineates the potential catastrophic risks arising from the imbalance in hydrology,sediment,and vegetation relationships in the middle reaches of the Yellow River,including:alterations in erosion environments and sediment sources increasing flood control pressures;frequent extreme events leading to severe disaster losses;excessive vegetation restoration exacerbating soil desiccation and drought risks;and elevated failure risks of aging terraces and compromised check dams.To address these challenges,the following countermeasures are proposed:strengthening erosion prevention and water-sediment regulation in key sediment source areas;developing predictive models for extreme water and sediment events influenced by ecological construction to enhance disaster monitoring and early warning capabilities;coordinating the synergistic effects of vegetation restoration and engineering measures to establish an integrated system for ecological restoration,flood control,and drought mitigation;accelerating the enhancement of storage and drainage functions of terraces and check dams,and optimizing their operation and maintenance;and improving infrastructure resilience,raising awareness of disaster prevention and mitigation,and enhancing capacities to cope with major disaster risks.关键词
黄河中游/植被恢复/水土保持/洪旱风险/水文-泥沙-植被关系Key words
middle reaches of the Yellow River/vegetation restoration/soil and water conservation/flood and drought risks/hydrology-sediment-vegetation relationship分类
水利科学引用本文复制引用
徐锡蒙,汤秋鸿,郑粉莉,谢秋雨..黄河中游水文-泥沙-植被关系失衡的灾变风险与对策[J].中国水利,2025,(9):21-27,7.基金项目
国家自然科学基金项目(U2243226). （U2243226）
