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Heterogeneity in supraglacial debris thickness and its role in glacier mass changes of the Mount Gongga
Zhang Yong1,2; Hirabayashi, Yukiko2; Fujita, Koji3; Liu ShiYin1; Liu Qiao4
Corresponding AuthorZhang Yong
2016
Source PublicationSCIENCE CHINA-EARTH SCIENCES
ISSN1674-7313
EISSN1869-1897
Volume59Issue:1Pages:170-184
SubtypeArticle
AbstractIn the Tibetan Plateau, many glaciers have extensive covers of supraglacial debris in their ablation zones, which affects glacier response to climate change by altering ice melting and spatial patterns of mass loss. Insufficient debris thickness data make it difficult to analyze regional debris-cover effects. Maritime glaciers of the Mount Gongga have been characterized by a substantial reduction in glacier area and ice mass in recent decades. The thermal property of the debris layer estimated from remotely sensed data reveals that debris-covered glaciers are dominant in this region, on which the proportion of debris cover to total glacier area varies from 1.74% to 53.0%. Using a physically-based debris-cover effect assessment model, we found that although the presence of supraglacial debris has a significant insulating effect on heavily debris-covered glaciers, it accelerates ice melting on similar to 10.2% of total ablation zone and produces rapid wastage of similar to 25% of the debris-covered glaciers, leading to the similar mass losses between the debris-covered and debris-free glaciers. Widespread debris cover also facilitates the development of active terminus regions. Regional differences in debris-cover effects are apparent, highlighting the importance of debris cover for understanding glacier mass changes in the Tibetan Plateau and other mountain ranges around the world.
KeywordDebris-cover Effect Ice Melting Maritime Glacier Glacier Status Mount Gongga
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1007/s11430-015-5118-2
WOS Subject ExtendedGeology
Indexed BySCI
WOS KeywordSOUTHEASTERN TIBETAN PLATEAU ; ENERGY-BALANCE MODEL ; COVERED GLACIERS ; HAILUOGOU GLACIER ; NEPAL-HIMALAYA ; SURFACE-TEMPERATURE ; FUTURE-TRENDS ; TIEN-SHAN ; ICE MELT ; IN-SITU
Language英语
Quartile3区
TOP
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000368192000013
Funding OrganizationNational Science and Technology Support Program of China(2012BAC19B07) ; National Natural Science Foundation of China(41190084) ; Ministry of Science and Technology of China (MOST)(2013FY111400) ; CREST Project of Japan Science and Technology Agency
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/14165
Collection山地灾害与地表过程重点实验室
山地表生过程与生态调控重点实验室
Affiliation1.Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, State Key Lab Cryospher Sci, Lanzhou 730000, Peoples R China
2.Univ Tokyo, Inst Engn Innovat, Tokyo 1138656, Japan
3.Nagoya Univ, Grad Sch Environm Studies, Nagoya, Aichi 4648601, Japan
4.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
Recommended Citation
GB/T 7714
Zhang Yong,Hirabayashi, Yukiko,Fujita, Koji,et al. Heterogeneity in supraglacial debris thickness and its role in glacier mass changes of the Mount Gongga[J]. SCIENCE CHINA-EARTH SCIENCES,2016,59(1):170-184.
APA Zhang Yong,Hirabayashi, Yukiko,Fujita, Koji,Liu ShiYin,&Liu Qiao.(2016).Heterogeneity in supraglacial debris thickness and its role in glacier mass changes of the Mount Gongga.SCIENCE CHINA-EARTH SCIENCES,59(1),170-184.
MLA Zhang Yong,et al."Heterogeneity in supraglacial debris thickness and its role in glacier mass changes of the Mount Gongga".SCIENCE CHINA-EARTH SCIENCES 59.1(2016):170-184.
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