IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2016  > Vol13 NO.10
Characteristics of landslide in Koshi River Basin, Central Himalaya
Zhang Jian-qiang1,2; Liu Rong-kun3; Deng Wei2; Khanal, Narendra Raj4; Gurung, Deo Raj3; Murthy, Manchiraju Sri Ramachandra3; Wahid, Shahriar3
Corresponding AuthorZHANG Jian-qiang
2016
Source PublicationJOURNAL OF MOUNTAIN SCIENCE
ISSN1672-6316
EISSN1993-0321
Volume13Issue:10Pages:1711-1722
SubtypeArticle
AbstractKoshi River basin, which lies in the Central Himalayas with an area of 71,500 km(2), is an important trans-boundary river basin shared by China, Nepal and India. Yet, landslide-prone areas are all located in China and Nepal, imposing alarming risks of widespread damages to property and loss of human life in both countries. Against this backdrop, this research, by utilizing remote sensing images and topographic maps, has identified a total number of 6877 landslides for the past 23 years and further examined their distribution, characteristics and causes. Analysis shows that the two-step topography in the Himalayan region has a considerable effect on the distribution of landslides in this area. Dense distribution of landslides falls into two regions: the Lesser Himalaya (mostly small and medium size landslides in east-west direction) and the Transition Belt (mostly large and medium size landslides along the river in north-south direction). Landslides decrease against the elevation while the southern slopes of the Himalayas have more landslides than its northern side. Change analysis was carried out by comparing landslide distribution data of 1992, 2010 and 2015 in the Koshi River basin. The rainfall-induced landslides, usually small and shallow and occurring more frequently in regions with an elevation lower than 1000m, are common in the south and south-east slopes due to heavy precipitation in the region, and are more prone to the slope gradient of 20 degrees similar to 30 degrees. Most of them are distributed in Proterozoic stratum (Pt-3 epsilon, Pt-3 and Pt2-3) and Quaternary stratum. While for earthquake-induced landslides, they are more prone to higher elevations (2000 similar to 3000 m) and steeper slopes (40 degrees similar to 50 degrees).
KeywordLandslide Koshi River Basin Central Himalayas April 2015 Nepal Earthquake
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.1007/s11629-016-4017-0
WOS Subject ExtendedEnvironmental Sciences & Ecology
Indexed BySCI
WOS KeywordLESSER HIMALAYA ; TRIGGERED LANDSLIDES ; NEPAL
Language英语
Quartile4区
TOP
WOS SubjectEnvironmental Sciences
WOS IDWOS:000386502400002
Funding OrganizationNational Natural Science Foundation of China(41401007) ; Key Research Program of the Chinese Academy of Sciences(KZZD-EW-08-01) ; Australian government
Citation statistics
Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/17581
CollectionJournal of Mountain Science_Journal of Mountain Science-2016_Vol13 NO.10
山地灾害与地表过程重点实验室
山区发展研究中心
Affiliation1.Chinese Acad Sci, Key Lab Mt Hazards & Surface Proc, Chengdu 610041, Peoples R China
2.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
3.Int Ctr Integrated Mt Dev, Kathmandu, Nepal
4.Tribhuvan Univ, Cent Dept Geog, Kathmandu, Nepal
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
Zhang Jian-qiang,Liu Rong-kun,Deng Wei,et al. Characteristics of landslide in Koshi River Basin, Central Himalaya[J]. JOURNAL OF MOUNTAIN SCIENCE,2016,13(10):1711-1722.
APA Zhang Jian-qiang.,Liu Rong-kun.,Deng Wei.,Khanal, Narendra Raj.,Gurung, Deo Raj.,...&Wahid, Shahriar.(2016).Characteristics of landslide in Koshi River Basin, Central Himalaya.JOURNAL OF MOUNTAIN SCIENCE,13(10),1711-1722.
MLA Zhang Jian-qiang,et al."Characteristics of landslide in Koshi River Basin, Central Himalaya".JOURNAL OF MOUNTAIN SCIENCE 13.10(2016):1711-1722.
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