GSTDTAP  > 气候变化
DOI10.1029/2020GL087815
Observed Evidence for Steep Rise in the Extreme Flow of Western Himalayan Rivers
Divyansh Chug; Amey Pathak; J. Indu; Sharad K. Jain; Sanjay K. Jain; A. P. Dimri; Dev Niyogi; Subimal Ghosh
2020-07-17
发表期刊Geophysical Research Letters
出版年2020
英文摘要

We present the first observational evidence of changing patterns of extreme streamflows, at multiple locations across Western Himalayan (WH) rivers. We find that the frequency of extreme flow events during the period 1980‐2003 has doubled with a statistically significant increasing trend in annual maximum streamflow. We postulate that this streamflow change is due to the increased precipitation extremes occurring during both the summer and the winter monsoon. We further found a stepwise increase of ‘chi‐gradient’ in Bhagirathi and Sutlej rivers, indicative of a landscape that facilitates rapid flow of water generating severe floods downstream. Our results highlight the severity of hydroclimatic changes underway in the WH region, and the critical need for a hydro‐infrastructure for flood forecasting to benefit more than 17‐million inhabitants and for ecosystem services to mitigate increasing flood hazards.

领域气候变化
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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/284245
专题气候变化
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GB/T 7714
Divyansh Chug,Amey Pathak,J. Indu,et al. Observed Evidence for Steep Rise in the Extreme Flow of Western Himalayan Rivers[J]. Geophysical Research Letters,2020.
APA Divyansh Chug.,Amey Pathak.,J. Indu.,Sharad K. Jain.,Sanjay K. Jain.,...&Subimal Ghosh.(2020).Observed Evidence for Steep Rise in the Extreme Flow of Western Himalayan Rivers.Geophysical Research Letters.
MLA Divyansh Chug,et al."Observed Evidence for Steep Rise in the Extreme Flow of Western Himalayan Rivers".Geophysical Research Letters (2020).
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