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On the water hazards in the trans-boundary Kosi River basin
Chen, N. Sh1; Hu, G. Sh1,2; Deng, W.1; Khanal, N.3; Zhu, Y. H.1,2; Han, D.4
Corresponding AuthorChen, NS
AbstractThe Kosi River is an important tributary of the Ganges River, which passes through China, Nepal and India. With a basin area of 71 500 km(2), the Kosi River has the largest elevation drop in the world (from 8848m of Mt Everest to 60m of the Ganges Plain) and covers a broad spectrum of climate, soil, vegetation and socioeconomic zones. The basin suffers from multiple water related hazards including glacial lake outburst, debris flow, landslides, flooding, drought, soil erosion and sedimentation. This paper describes the characteristics of water hazards in the basin, based on the literature review and site investigation covering hydrology, meteorology, geology, geomorphology and socio-economics. Glacial lake outbursts are a huge threat to the local population in the region and they usually further trigger landslides and debris flows. Floods are usually a result of interaction between man-made hydraulic structures and the natural environment. Debris flows are widespread and occur in clusters. Droughts tend to last over long periods and affect vast areas. Rapid population increase, the decline of ecosystems and climate change could further exacerbate various hazards in the region. The paper has proposed a set of mitigating strategies and measures. It is an arduous challenge to implement them in practice. More investigations are needed to fill in the knowledge gaps.
KeywordOutburst Floods Glacial Lakes Himalayas Tibet
WOS HeadingsScience & Technology ; Physical Sciences
WOS Subject ExtendedGeology ; Meteorology & Atmospheric Sciences ; Water Resources
Indexed BySCI
WOS SubjectGeosciences, Multidisciplinary ; Meteorology & Atmospheric Sciences ; Water Resources
WOS IDWOS:000317007500024
Funding Organizationinternational cooperation project (Water management and hazard risk reduction related policy) ; international cooperation project (institutional analysis in China for Kosi River Basin Management) ; Ministry of Science and Technology, China(2008BAB42B06) ; Chinese Academy of Sciences(GJHZ0954) ; Chinese Ministry of Water Conservation Special Fund for Public Welfare Industry Project(200801032)
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Cited Times:26[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Chinese Acad Sci, Inst Mt Hazards & Environm, Key Lab Mt Hazards & Earth Surface Proc, Chengdu, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing, Peoples R China
3.Tribhuvan Univ, Cent Dept Geog, Kathmandu, Nepal
4.Univ Bristol, Dept Civil Engn, Bristol, Avon, England
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Chen, N. Sh,Hu, G. Sh,Deng, W.,et al. On the water hazards in the trans-boundary Kosi River basin[J]. NATURAL HAZARDS AND EARTH SYSTEM SCIENCES,2013,13(3):795-808.
APA Chen, N. Sh,Hu, G. Sh,Deng, W.,Khanal, N.,Zhu, Y. H.,&Han, D..(2013).On the water hazards in the trans-boundary Kosi River basin.NATURAL HAZARDS AND EARTH SYSTEM SCIENCES,13(3),795-808.
MLA Chen, N. Sh,et al."On the water hazards in the trans-boundary Kosi River basin".NATURAL HAZARDS AND EARTH SYSTEM SCIENCES 13.3(2013):795-808.
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