1.南京农业大学公共管理学院,南京 210095
2.南京农业大学中国资源环境与发展研究院,南京 210095
贾磊(1997—),男,博士研究生,主要从事水土资源管理研究。E-mail:yuyuwuyu@stu.njau.edu.cn
蓝菁(1983—),女,博士,教授,主要从事资源经济与环境管理研究。E-mail:lanjing@njau.edu.cn
收稿:2026-03-23,
修回:2026-04-17,
录用:2026-04-25,
网络首发:2026-07-03,
纸质出版:2026-10-28
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贾磊,蓝菁.生态恢复背景下黄河流域绿水资源时空演变及分异机理[J].水土保持学报,2026,40(5):390-401.
Jia Lei, Lan Jing. Spatiotemporal evolution and differentiation mechanisms of green water resources in the Yellow River basin under ecological restoration[J]. Journal of Soil and Water Conservation,2026,40(5):390-401.
贾磊,蓝菁.生态恢复背景下黄河流域绿水资源时空演变及分异机理[J].水土保持学报,2026,40(5):390-401. DOI: 10.13870/j.cnki.stbcxb.2026.05.008. CSTR: 32310.14.stbcxb.2026.05.008.
Jia Lei, Lan Jing. Spatiotemporal evolution and differentiation mechanisms of green water resources in the Yellow River basin under ecological restoration[J]. Journal of Soil and Water Conservation,2026,40(5):390-401. DOI: 10.13870/j.cnki.stbcxb.2026.05.008. CSTR: 32310.14.stbcxb.2026.05.008.
目的
2
绿水资源是农业生产和生态环境的重要支撑,明晰变化环境下的绿水资源时空格局及驱动机制,对区域生态保护与高质量发展的实现具有重要意义。
方法
2
基于多源遥感数据测算黄河流域2000—2023年的绿水资源量,利用Theil-Sen趋势和Mann-Kendall检验分析其时空演变格局,并采用时空地理探测器定量分析其分异机理。
结果
2
2000—2023年,黄河流域绿水量显著增加,由323.2 mm增加至442.3 mm,绿水增加量的99.70%由绿水流贡献,绿水储量的增加量仅占0.30%。流域绿水资源在空间上呈“南多北少”的分布特征,绿水量极显著增加区域占比为64.44%,广泛分布于宁夏平原、汾渭谷地及陕北高原等地区,尤以陕北高原表现最为明显。生态恢复是黄河流域绿水变化的主导因素,且因其实现从“面积扩张”到“质量提升”的阶段转变,导致作用在不同时段内存在明显差异;草地恢复区和森林恢复区为绿水变化的主要正响应区,但其效果受其他因子影响,表明黄河流域绿水时空分异格局是生态恢复、气候变化及下垫面条件等要素非线性叠加的结果。
结论
2
黄河流域未来生态恢复工程规划需充分考虑其生态水文效应,重点关注植被恢复对水文的影响与阈值优化,研究结果为区域人水地系统综合管理提供科学支撑。
Objective
2
Green water resources serve as a crucial support for agricultural production and the ecological environment. Clarifying the spatiotemporal patterns and driving mechanisms of green water under changing conditions is of great significance for achieving regional ecological protection and high-quality development.
Methods
2
Based on multi-source remote sensing data, this study estimated the green water resources in the Yellow River basin from 2000 to 2023. The Theil-Sen trend analysis and Mann-Kendall test were employed to examine its spatiotemporal evolution, and the spatiotemporal geographical detector was applied to quantitatively analyze its differentiation mechanisms.
Results
2
From 2000 to 2023, green water in the Yellow River basin increased significantly, from 323.2 mm to 442.3 mm. Green water flow contributed 99.70% of the increase, while the increase in green water storage accounted for only 0.30%. Spatially, green water resources showed a pattern of "more in the south, less in the north". Areas with a highly significant increase in green water accounted for 64.44% of the basin, widely distributed in regions such as the Ningxia plain, Fenwei valley, and the northern Shaanxi plateau, with the northern Shaanxi plateau being the most pronounced. Ecological restoration was the dominant factor driving changes in green water. Due to its transition from "area expansion" to "quality enhancement", its effect varied noticeably across different periods. Grassland and forest restoration zones were the main positive response areas for green water changes, but their effectiveness was influenced by other factors, indicating that the spatiotemporal differentiation pattern of green water in the Yellow River basin resulted from the nonlinear interaction of ecological restoration, climate change, and underlying surface conditions.
Conclusion
2
Future ecological restoration projects in the Yellow River basin should fully consider their eco-hydrological effects, with a focus on the hydrological impacts and threshold optimization of vegetation restoration. The findings provide scientific support for the integrated management of the regional human-water-land system.
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