IMHE OpenIR  > 山地灾害与地表过程重点实验室
Distribution of debris thickness and its effect on ice melt at Hailuogou glacier, southeastern Tibetan Plateau, using in situ surveys and ASTER imagery
Zhang, Yong1,2; Fujita, Koji2; Liu, Shiyin1; Liu, Qiao3; Nuimura, Takayuki2
Corresponding AuthorZhang, Yong
2011
Source PublicationJOURNAL OF GLACIOLOGY
ISSN0022-1430
EISSN1727-5652
Volume57Issue:206Pages:1147-1157
SubtypeArticle
AbstractDebris cover is widely present in glacier ablation areas of the Tibetan Plateau, and its spatial distribution greatly affects glacier melt rates. High-resolution in situ measurements of debris thickness on Hailuogou glacier, Mount Gongga, southeastern Tibetan Plateau, show pronounced inhomogeneous debris distribution. An analysis of transverse and longitudinal profiles indicates that the ground-surveyed debris thicknesses and Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER)-derived thermal resistances of debris layers correlate strongly over the entire ablation area. Across- and along-glacier patterns of ASTER-derived thermal resistance correspond well with spatial patterns of debris thickness, which may reflect large-scale variations in the extent and thickness of the debris cover. The ice melt rate variability over the ablation area simulated by a surface energy-balance model that considered thermal resistance of the debris layer indicates clearly the crucial role of debris and its spatial continuity in modifying the spatial characteristics of melt rates. Because of the inhomogeneous distribution of debris thickness, about 67% of the ablation area on Hailuogou glacier has undergone accelerated melting, whereas about 19% of the ablation area has experienced inhibited melting, and the sub-debris melt rate equals the bare-ice melt rate in only 14% of the ablation area.
KeywordScience & Technology
WOS HeadingsScience & Technology ; Physical Sciences
WOS Subject ExtendedPhysical Geography ; Geology
Indexed BySCI
WOS KeywordSURFACE-ENERGY-BALANCE ; METEOROLOGICAL DATA ; COVERED GLACIERS ; HIGH ASIA ; MODEL ; LAYER ; ABLATION ; CHINA ; TEMPERATURE ; SATELLITE
Language英语
Quartile3区
WOS SubjectGeography, Physical ; Geosciences, Multidisciplinary
WOS IDWOS:000298224000015
Funding OrganizationNational Basic Research Program of China(2007CB411501) ; National Natural Science Foundation of China(40701032 ; Ministry of Science and Technology of China(2006FY110200) ; Chinese Academy of Sciences(KZCX2-YW-GJ04) ; Ministry of Education, Culture, Sports, Science and Technology of Japan(19253001) ; Japan Ministry of Education, Science and Culture(20686033 ; Core Research for Evolutional Science and Technology (CREST), Japan Science and Technology Agency (JST) ; 40801030) ; 21686045)
Citation statistics
Cited Times:84[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/10573
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, State Key Lab Cryospher Sci, Cold & Arid Reg Environm & Engn Res Inst, Lanzhou 730000, Peoples R China
2.Nagoya Univ, Grad Sch Environm Studies, Nagoya, Aichi 4648602, Japan
3.Chinese Acad Sci, Key Lab Mt Environm Evolvement & Regulat, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Yong,Fujita, Koji,Liu, Shiyin,et al. Distribution of debris thickness and its effect on ice melt at Hailuogou glacier, southeastern Tibetan Plateau, using in situ surveys and ASTER imagery[J]. JOURNAL OF GLACIOLOGY,2011,57(206):1147-1157.
APA Zhang, Yong,Fujita, Koji,Liu, Shiyin,Liu, Qiao,&Nuimura, Takayuki.(2011).Distribution of debris thickness and its effect on ice melt at Hailuogou glacier, southeastern Tibetan Plateau, using in situ surveys and ASTER imagery.JOURNAL OF GLACIOLOGY,57(206),1147-1157.
MLA Zhang, Yong,et al."Distribution of debris thickness and its effect on ice melt at Hailuogou glacier, southeastern Tibetan Plateau, using in situ surveys and ASTER imagery".JOURNAL OF GLACIOLOGY 57.206(2011):1147-1157.
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