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降雨和地下水补充的值分析,以减轻过度开发的地下水区域的干旱风险
Uneeb Ur Rehman Ali1, Jinfeng Du1, Muhammad Azram1
1School of Public Policy and Administration, Xi'an Jiaotong University, Xi'an, Shaanxi, China.
PloS one
|February 4, 2026
概括
降雨量增加和地下水补充显著降低干旱风险,特别是在过度开发的地区. 对于每年降雨和充电来减轻干旱影响,存在关键值,突出了水气候因素的重要性.
科学领域:
- 环境科学 环境科学
- 水文学的水文学
- 气候科学 气候科学
背景情况:
- 地下水过度开采是一个日益严重的全球问题,加剧了干旱状况.
- 标准化降雨蒸发透气指数 (SPEI) 是评估干旱严重程度的关键指标.
- 了解降雨,地下水补充和干旱之间的相互作用对于水资源管理至关重要.
研究的目的:
- 通过SPEI,研究降雨和地下水补充对干旱缓解的影响.
- 确定降雨和充电的关键值,以防止干旱.
- 分析温度和二氧化碳排放对过度开发地区干旱动态的影响.
主要方法:
- 使用动态面板值回归 (DPThR) 模型进行分析.
- 分析了1961年至2022年的水气候数据,重点关注十大地下水过度开发的国家和全球平均水平.
- 采用标准化降雨蒸发透气指数 (SPEI) 作为主要干旱指标.
主要成果:
- 降雨量增加1毫米将SPEI提高0.003;干旱缓解门是每年614.41毫米的降雨量.
- 一个标准偏差增加的地下水补充将SPEI提高5.06个单位;值为-0.0039标准偏差.
- 气温上升显著加剧干旱,而二氧化碳排放没有直接影响;因果关系来自水气候因素.
结论:
- 降雨和地下水补充对于干旱缓解至关重要,有效性的值已确定.
- 建议采取人工降雨和增强充电等政策干预措施,以建立水和气候弹性.
- 水气势力,特别是降雨和地下水动态,是过度开发地区干旱变化的主要驱动因素.
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