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Glacier Change, Supraglacial Debris Expansion and Glacial Lake Evolution in the Gyirong River Basin, Central Himalayas, between 1988 and 2015
Jiang, Sheng1,2; Nie, Yong2,3; Liu, Qiao2,3,4; Wang, Jida5; Liu, Linshan6; Hassan, Javed7; Liu, Xiangyang1; Xu, Xia1
2018-07-01
Source PublicationREMOTE SENSING
ISSN2072-4292
Volume10Issue:7Pages:18
Corresponding AuthorNie, Yong(nieyong@imde.ac.cn)
AbstractHimalayan glacier changes in the context of global climate change have attracted worldwide attention due to their profound cryo-hydrological ramifications. However, an integrated understanding of the debris-free and debris-covered glacier evolution and its interaction with glacial lake is still lacking. Using one case study in the Gyirong River Basin located in the central Himalayas, this paper applied archival Landsat imagery and an automated mapping method to understand how glaciers and glacial lakes interactively evolved between 1988 and 2015. Our analyses identified 467 glaciers in 1988, containing 435 debris-free and 32 debris-covered glaciers, with a total area of 614.09 +/- 36.69 km(2). These glaciers decreased by 16.45% in area from 1988 to 2015, with an accelerated retreat rate after 1994. Debris-free glaciers retreated faster than debris-covered glaciers. As a result of glacial downwasting, supraglacial debris coverage expanded upward by 17.79 km2 (24.44%). Concurrent with glacial retreat, glacial lakes increased in both number (+41) and area (+54.11%). Glacier-connected lakes likely accelerated the glacial retreat via thermal energy transmission and contributed to over 15% of the area loss in their connected glaciers. On the other hand, significant glacial retreats led to disconnections from their proglacial lakes, which appeared to stabilize the lake areas. Continuous expansions in the lakes connected with debris-covered glaciers, therefore, need additional attention due to their potential outbursts. In comparison with precipitation variation, temperature increase was the primary driver of such glacier and glacial lake changes. In addition, debris coverage, size, altitude, and connectivity with glacial lakes also affected the degree of glacial changes and resulted in the spatial heterogeneity of glacial wastage across the Gyirong River Basin.
Keyworddebris cover GLOFs remote sensing climate change the Himalayas Gyirong Pass
DOI10.3390/rs10070986
WOS KeywordMOUNT EVEREST REGION ; 3 GORGES DAM ; OUTBURST FLOODS ; COVERED GLACIERS ; SPATIAL VARIABILITY ; SATELLITE IMAGERY ; EASTERN HIMALAYA ; RAPID EXPANSION ; SOUTHEAST TIBET ; NEPAL HIMALAYA
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41571104] ; CAS STS Program[KFJ-STS-ZDTP-015] ; CAS Light of West China Program ; CPC Sichuan Provincial Committee Organization Department Talents Program ; CAS IMHE 135 Program[SDS-135-1708]
Funding OrganizationNational Natural Science Foundation of China ; CAS STS Program ; CAS Light of West China Program ; CPC Sichuan Provincial Committee Organization Department Talents Program ; CAS IMHE 135 Program
WOS Research AreaRemote Sensing
WOS SubjectRemote Sensing
WOS IDWOS:000440332500009
PublisherMDPI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/54506
Collection中国科学院地理科学与资源研究所
Corresponding AuthorNie, Yong
Affiliation1.Sichuan Normal Univ, Fac Geog & Resource Sci, Chengdu 610101, Sichuan, Peoples R China
2.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Sichuan, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.SinoNepal Joint Res Ctr Geog, Chengdu 610041, Sichuan, Peoples R China
5.Kansas State Univ, Dept Geog, Manhattan, KS 66506 USA
6.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China
7.Karakoram Int Univ, Dept Earth Sci, Gilgit Baltistan 15100, Pakistan
Recommended Citation
GB/T 7714
Jiang, Sheng,Nie, Yong,Liu, Qiao,et al. Glacier Change, Supraglacial Debris Expansion and Glacial Lake Evolution in the Gyirong River Basin, Central Himalayas, between 1988 and 2015[J]. REMOTE SENSING,2018,10(7):18.
APA Jiang, Sheng.,Nie, Yong.,Liu, Qiao.,Wang, Jida.,Liu, Linshan.,...&Xu, Xia.(2018).Glacier Change, Supraglacial Debris Expansion and Glacial Lake Evolution in the Gyirong River Basin, Central Himalayas, between 1988 and 2015.REMOTE SENSING,10(7),18.
MLA Jiang, Sheng,et al."Glacier Change, Supraglacial Debris Expansion and Glacial Lake Evolution in the Gyirong River Basin, Central Himalayas, between 1988 and 2015".REMOTE SENSING 10.7(2018):18.
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