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来源类型 | Article |
规范类型 | 其他 |
DOI | 10.1029/2018GL078466 |
Strong Linkage Between Precipitation Intensity and Monsoon Season Groundwater Recharge in India. | |
Asoka A; Wada Y; Fishman R; Mishra V | |
发表日期 | 2018 |
出处 | Geophysical Research Letters 45 (11): 5536-5544 |
出版年 | 2018 |
语种 | 英语 |
摘要 | Groundwater is a lifeline for millions of people in India, which is affected by the year‐to‐year variability of precipitation amount and characteristics (low and high intensity). Precipitation intensity has been observed and projected to change in India. However, the crucial impact of precipitation intensity on groundwater recharge in India remains unknown. Here we use in situ data from more than 5,800 groundwater wells to show that precipitation intensity is strongly linked with groundwater recharge in India. In the northwest and north central India, the monsoon season groundwater recharge is linked with the low‐intensity precipitation, while in South India high‐intensity precipitation is a major driver of groundwater recharge. Observed long‐term changes in precipitation characteristics show a decline in the low‐intensity rain in the northwest and north central India that are strongly driven by sea surface temperature over the Pacific Ocean. Increases in the high‐intensity precipitation in South India are linked with the sea surface temperatures in the Atlantic Ocean. Our results highlight the importance of precipitation intensity for the monsoon season groundwater recharge in India, which can provide insights to sustainably manage rapidly declining groundwater resources in India. |
主题 | Water (WAT) |
关键词 | climate variability groundwater monsoon precipitation intensity recharge |
URL | http://pure.iiasa.ac.at/id/eprint/15358/ |
来源智库 | International Institute for Applied Systems Analysis (Austria) |
引用统计 | |
资源类型 | 智库出版物 |
条目标识符 | http://119.78.100.153/handle/2XGU8XDN/131222 |
推荐引用方式 GB/T 7714 | Asoka A,Wada Y,Fishman R,et al. Strong Linkage Between Precipitation Intensity and Monsoon Season Groundwater Recharge in India.. 2018. |
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文件名称/大小 | 资源类型 | 版本类型 | 开放类型 | 使用许可 | ||
Asoka_et_al-2018-Geo(2230KB) | 智库出版物 | 限制开放 | CC BY-NC-SA | 浏览 |
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