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GHANSHYAM TIWARI
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Volume 130 All articles Published: 30 April 2021 Article ID 0078 Brief Communication
NARESH RANA SHUBHRA SHARMA YASPAL SUNDRIYAL SAMEEKSHA KAUSHIK SUBHENDU PRADHAN GHANSHYAM TIWARI FIROZ KHAN SATI S P NAVIN JUYAL
A short-lived flashflood in Rishi and Dhauli Ganga rivers on 7th February 2021, Uttarakhand Himalaya, killed 65 people with 141 reported missing (official estimate) and devastated two hydropower projects. Geomorphological observations supported by meteorological data suggest that the flood was triggered by a combination of avalanche and debris flow. The Dhauli Ganga valley has preserved ponded sedimentary sequences (laminated sand and silty-clay), suggesting that the valley is prone to episodic mega foods in the recent geological past. Considering that the receding glaciers in the higher Himalaya have left behind enormous sediment, unusual weather events are likely to generate such disasters more frequently as the climate becomes warmer. Thus, the study calls for not only incorporating the disaster risk assessment in the developmental planning of the Himalayan region but also recommends routine monitoring of the potential areas of structural failures in the glaciated valleys along with supra-glacial lakes.
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Journal of Earth System Science
Volume 132, 2023
All articles
Continuous Article Publishing mode
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Journal of Earth System Science | News
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Editorial Note on Continuous Article Publication
Posted on July 25, 2019Click here for Editorial Note on CAP Mode
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Special Issue - "Call for papers"
Posted on July 18, 2023
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