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Last Glacial climate reconstruction by exploring glacier sensitivity to climate on the southeastern slope of the western Nyaiqentanglha Shan, Tibetan Plateau
Xu, Xiangke1,2; Pan, Baolin3; Dong, Guocheng4; Yi, Chaolu1,5; Glasser, Neil F.6
2017-04-01
Source PublicationJOURNAL OF GLACIOLOGY
Volume63Issue:238Pages:361-371
SubtypeArticle
AbstractImprovements in understanding glacial extents and chronologies for the southeastern slope of the western Nyaiqentanglha Shan on the Tibetan Plateau are required to understand regional climate changes during the Last Glacial cycle. A two-dimensional numerical model of mass balance, based on snow-ice melting factors, and of ice flow for mountain glaciers is used to assess the glacier sensitivity to climatic change in a catchment of the region. The model can reproduce valley glaciers, wide-tongued glaciers and a coalescing glacier within step temperature lowering and precipitation increasing experiments. The model sensitivity experiments also indicate that the dependence of glacier growth on temperature and/or precipitation is nonlinear. The model results suggest that the valley glaciers respond more sensitively to an imposed climate change than wide-tongued and coalescing glaciers. Guided by field geological evidence of former glacier extent and other independent paleoclimate reconstructions, the model is also used to constrain the most realistic multi-year mean temperatures to be 2.9-4.6 degrees C and 1.8-2.5 degrees C lower than present in the glacial stages of the Last Glacial Maximum and middle marine oxygen isotope stage 3, respectively.
KeywordGlacier And Climate Last Glacial Numerical Glacier Modeling Western Nyaiqentanglha Shan
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1017/jog.2016.147
WOS KeywordLATE QUATERNARY GLACIATION ; MASS-BALANCE ; UINTA MOUNTAINS ; SUMMER MONSOON ; EXPOSURE AGES ; DALIJIA SHAN ; EAST-ASIA ; ICE-FLOW ; MAXIMUM ; VALLEY
Indexed BySCI ; CPCI(ISTP) ; EI
Language英语
WOS Research AreaPhysical Geography ; Geology
WOS SubjectGeography, Physical ; Geosciences, Multidisciplinary
WOS IDWOS:000396124800013
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Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/5491
Collection加速器质谱中心
Affiliation1.Chinese Acad Sci, Key Lab Tibetan Environm Changes & Land Surface, Inst Tibetan Plateau Res, Beijing 100101, Peoples R China
2.Chinese Acad Sci, State Key Lab Cryospher Sci, Cold & Arid Reg Environm & Engn Res Inst, Lanzhou 730000, Peoples R China
3.Capital Normal Univ, Coll Resources Environm & Tourism, Beijing 100048, Peoples R China
4.Chinese Acad Sci, State Key Lab Loess & Quaternary Geol, Inst Earth Environm, Xian 710061, Peoples R China
5.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
6.Aberystwyth Univ, Dept Geog & Earth Sci, Ctr Glaciol, Aberystwyth SY23 3DB, Dyfed, Wales
Recommended Citation
GB/T 7714
Xu, Xiangke,Pan, Baolin,Dong, Guocheng,et al. Last Glacial climate reconstruction by exploring glacier sensitivity to climate on the southeastern slope of the western Nyaiqentanglha Shan, Tibetan Plateau[J]. JOURNAL OF GLACIOLOGY,2017,63(238):361-371.
APA Xu, Xiangke,Pan, Baolin,Dong, Guocheng,Yi, Chaolu,&Glasser, Neil F..(2017).Last Glacial climate reconstruction by exploring glacier sensitivity to climate on the southeastern slope of the western Nyaiqentanglha Shan, Tibetan Plateau.JOURNAL OF GLACIOLOGY,63(238),361-371.
MLA Xu, Xiangke,et al."Last Glacial climate reconstruction by exploring glacier sensitivity to climate on the southeastern slope of the western Nyaiqentanglha Shan, Tibetan Plateau".JOURNAL OF GLACIOLOGY 63.238(2017):361-371.
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