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Glacier runoff and its impact in a highly glacierized catchment in the southeastern Tibetan Plateau: past and future trends
Zhang, Yong1,2; Hirabayashi, Yukiko2; Liu, Qiao3; Liu, Shiyin1
Corresponding AuthorZhang, Yong
2015
Source PublicationJOURNAL OF GLACIOLOGY
ISSN0022-1430
Volume61Issue:228Pages:713-730
SubtypeArticle
AbstractWe investigate past and future trends in glacier runoff and the associated hydrological impacts on river runoff in the Hailuogou catchment, a highly glacierized catchment with extensive debris cover in the southeastern Tibetan Plateau, using a catchment-scale glacio-hydrological model. Past trends in various runoff components of the catchment indicate that glacier runoff has been a large component of total runoff, contributing similar to 53.4% of total runoff during the period 1952-2013. Future changes in runoff calculated using the outputs of ten global climate models for representative concentration pathway (RCP) 4.5 and RCP8.5 reveal that glacier runoff plays different roles in the water supply of the catchment for the two RCPs, and the discrepancies between the two RCPs increase in the second half of this century, leading to a considerable difference in the hydrological regime of the catchment. In particular, changes are more remarkable under RCP8.5, under which all glaciers are projected to retreat dramatically and total runoff to decrease slightly by the end of this century. An experimental analysis, in which no debris cover is assumed on glacier ablation zones, indicates that excess meltwater from the debris-covered area provides an 8.1% increase in total runoff relative to the no-debris assumption case.
KeywordDebris-covered Glaciers Energy Balance Glacier Discharge Glacier Hydrology Mountain Glaciers
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.3189/2015JoG14J188
WOS Subject ExtendedPhysical Geography ; Geology
Indexed BySCI
WOS KeywordSEA-LEVEL RISE ; CLIMATE-CHANGE ; MASS-BALANCE ; HAILUOGOU GLACIER ; TEMPERATE GLACIER ; SOLAR-RADIATION ; 20-1ST CENTURY ; RIVER-BASIN ; ICE MELT ; CHINA
Language英语
WOS SubjectGeography, Physical ; Geosciences, Multidisciplinary
WOS IDWOS:000363002200009
Funding OrganizationInternational Science & Technology Cooperation Program(2010DFA92720-23) ; National Science & Technology Support Program(2012BAC19807) ; Environment Research and Technology Development Fund of the Ministry of the Environment, Japan(S-14) ; JSPS KAKENHI(15K06228)
Citation statistics
Cited Times:30[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/11065
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, Peoples R China
2.Univ Tokyo, Inst Engn Innovat, Tokyo, Japan
3.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Yong,Hirabayashi, Yukiko,Liu, Qiao,et al. Glacier runoff and its impact in a highly glacierized catchment in the southeastern Tibetan Plateau: past and future trends[J]. JOURNAL OF GLACIOLOGY,2015,61(228):713-730.
APA Zhang, Yong,Hirabayashi, Yukiko,Liu, Qiao,&Liu, Shiyin.(2015).Glacier runoff and its impact in a highly glacierized catchment in the southeastern Tibetan Plateau: past and future trends.JOURNAL OF GLACIOLOGY,61(228),713-730.
MLA Zhang, Yong,et al."Glacier runoff and its impact in a highly glacierized catchment in the southeastern Tibetan Plateau: past and future trends".JOURNAL OF GLACIOLOGY 61.228(2015):713-730.
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