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Trees record changes of the temperate glaciers on the Tibetan Plateau: Potential and uncertainty
Zhu, Haifeng1,3; Shao, Xuemei2,3; Zhang, Hui1,4; Asad, Fayaz5; Sigdel, Shalik Ram1; Huang, Ru1; Li, Yanan6; Liu, Wenwen1; Muhammad, Sher7; Hussain, Iqtidar8; Griessinger, Jussi9; Liang, Eryuan1,3
2019-02-01
Source PublicationGLOBAL AND PLANETARY CHANGE
ISSN0921-8181
Volume173Pages:15-23
Corresponding AuthorZhu, Haifeng(zhuhf@itpcas.ac.cn)
AbstractThe Tibetan Plateau and its surrounding mountains exhibit the largest concentration of glaciers at lower latitudes on earth, providing source water for the large river systems in Asia. However, glacier observations in this region are short and scarce and hence limit a better understanding of glacier behaviors under a warming climate and thereto coupled processes. The purpose of this research is to investigate the potential and the uncertainty for using pioneering trees on glacial deposits/glacier forefields as a proxy record for past glacier fluctuations in the Himalaya-Nyanqentanggula-Hengduan (H2N) area. It was found that Hippophae tibetana spent 4 years to colonize the glacier forefields at Hailuogou glacier and Pinus wallichiana germinated 11 years after glacier retreating at Gangapuna and Raikot glaciers. At deposit sites of glacier avalanche and glacial lake outburst, it took 8 years for Larix griffithii to germinate after the historical events. As shown by bootstrap resampling, the precision of the sampled maximum tree age could reach 2-14 years, which is related to the sample size to ensure the possibility of obtaining the eldest trees. However, if using the traditional sampling method at 100-cm height, errors of tree age estimation may reach up to +/- 20 years due to uncertainties of pith offset estimation and height-age calibration. If samples are collected with pith from <= 20 cm tree height, an error of < 5 years in tree age estimation could be derived. These results suggest that maximum tree ages may be a promising proxy record of glacier fluctuation with decadal precision in the H2N mountain range if the sample-collecting methods are rigidly controlled and the old trees are well replicated. The uncertainties due to the pith offset, tree height age and sample size imply that cautions should be taken when integrating exposure age dating on decadal-multidecadal glacier fluctuations at regional to hemispheric scales.
KeywordTree ring Tibetan Plateau Glacier fluctuations Himalaya
DOI10.1016/j.gloplacha.2018.12.004
WOS KeywordICE-AGE ; PROVINCIAL-PARK ; FLUCTUATIONS ; RING ; CLIMATE ; VARIABILITY
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41571201] ; National Natural Science Foundation of China[41771240] ; National Natural Science Foundation of China[41601207] ; National Natural Science Foundation of China[41661144040] ; National Natural Science Foundation of China[91747201] ; West Light Foundation of the Chinese Academy of Sciences
Funding OrganizationNational Natural Science Foundation of China ; West Light Foundation of the Chinese Academy of Sciences
WOS Research AreaPhysical Geography ; Geology
WOS SubjectGeography, Physical ; Geosciences, Multidisciplinary
WOS IDWOS:000457512400002
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/49876
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZhu, Haifeng
Affiliation1.Chinese Acad Sci, Key Lab Alpine Ecol, Inst Tibetan Plateau Res, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Key Lab Land Surface Pattern & Simulat, Inst Geog Sci & Nat Resources, Beijing 100101, Peoples R China
3.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
4.Linyi Univ, Coll Resources & Environm, Linyi 276005, Peoples R China
5.Bacha Khan Univ Charsadda, Dept Bot, Kpk, Pakistan
6.Texas State Univ, Dept Geog, 601 Univ Dr ELA139, San Marcos, TX 78666 USA
7.Yunnan Univ, Inst Int Rivers & Ecosecur, Kunming 650500, Yunnan, Peoples R China
8.Karakoram Int Univ Gilgit, Dept Environm Sci, Gilgit, Pakistan
9.Friedrich Alexander Univ Erlangen Nuremberg, Inst Geog, Wetterkreuz 15, D-91058 Erlangen, Germany
Recommended Citation
GB/T 7714
Zhu, Haifeng,Shao, Xuemei,Zhang, Hui,et al. Trees record changes of the temperate glaciers on the Tibetan Plateau: Potential and uncertainty[J]. GLOBAL AND PLANETARY CHANGE,2019,173:15-23.
APA Zhu, Haifeng.,Shao, Xuemei.,Zhang, Hui.,Asad, Fayaz.,Sigdel, Shalik Ram.,...&Liang, Eryuan.(2019).Trees record changes of the temperate glaciers on the Tibetan Plateau: Potential and uncertainty.GLOBAL AND PLANETARY CHANGE,173,15-23.
MLA Zhu, Haifeng,et al."Trees record changes of the temperate glaciers on the Tibetan Plateau: Potential and uncertainty".GLOBAL AND PLANETARY CHANGE 173(2019):15-23.
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