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Linkages of the dynamics of glaciers and lakes with the climate elements over the Tibetan Plateau
Sun, J (Sun, Jian)1,2,3; Zhou, TC (Zhou, Tiancai)1,7,8; Liu, M (Liu, Miao)1; Chen, YC (Chen, Youchao)4; Shang, H (Shang, Hua)3; Zhu, LP (Zhu, Liping)5; Shedayi, AA (Shedayi, Arshad Ali)1,6; Yu, H (Yu, Huan)8; Cheng, GW (Cheng, Genwei)4; Liu, GH (Liu, Guohua)2; Xu, M (Xu, Ming)3; Deng, W (Deng, Wei)4; Fan, JH (Fan, Jihui)4; Lu, XY (Lu, Xuyang)4; Sha, YK (Sha, Yukun)9

Future climate warming is expected to have a significant effect on the operation of Earth and Ecological systems. A key concern in the future is water resource availability. In regions such as the Tibet Plateau (TP) lakes and glaciers appear to be highly sensitive to climate forcing and variations in the size and extent of these system will have profound socio-economic and environmental consequences in South and Central Asia. Although the variety of glaciers and lake son the TP is a heavily researched and discussed topic the interaction between glaciers/lakes and climate change has not be thoroughly investigated. Here we present, through a review of existing studies and original remote sensing analysis, a reconstruction of changes in the spatial coverage of glaciers and lakes on the TP from 1990 to 2015 along with an analysis of climate data for the same period. The results revealed that these systems responded to changes in both temperature and precipitation but the nature of this response, and the controlling factor, was spatially diverse. During this interval the total number of lakes increased from 868 to 1207, thus a large number of new lakes (n = 339) formed. The total water surface area of the lakes increase from 38,823.3 km(2) in 1990 to 48,793.0 km(2) in 2015, at a rate of 383.5 km(2) yr(-1). Over this period intensive glacial shrinkage occurred, primarily driven by increasing average temperature, except in the Karakoram Mountains where a slight increase in glacier extent was explained by low and stable temperatures along with increasing precipitation. The expansion of lakes in the central and northeastern TP can, therefore, be explained by a trend of increasing precipitation and the accelerated melting of glaciers associated with rising temperatures, both of which contributed to the enhanced total basin runoff. The shrinkage of lake areas along the Himalayan Mountains is accounted for by low precipitation coupled with high evaporation and limited basin space. The lakes within the Qaidam Basin express a complex pattern of response in association with fluctuating precipitation and strong evaporation. The pattern of shrinking glaciers and expanding lakes indicate that water cycle processes on the TP have been accelerating during the past 25 years. Under current climates, and future climate change, the shrinkage of glaciers and the enlargement of lakes may be expected to continue to accelerate until a "tipping point" is reached when the meltwater of declining glaciers can no longer sustain the enhanced lake levels. Such a scenario would have severe socio-economic and ecological consequences for this region making the continued study of water-cycle activity across the TP an urgent priority.

Subject Area地理学
WOS IDWOS:000448493500016
Indexed BySCIE
KeywordNam Co Lake Mt. Qomolangma Region Water Storage Changes Mass-balance Monitoring Glacier Hailuogou Glacier Qilian Mountains Level Changes Nyainqentanglha Range Quantitative-analysis
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
Cooperation Status国际
Citation statistics
Document Type期刊论文
Corresponding AuthorSun, J (Sun, Jian); Zhu, LP (Zhu, Liping)
Affiliation1.Chinese Acad Sci, Synth Res Ctr, Chinese Ecosyst Res Network, Key Lab Ecosyst Network Observat & Modelling,Inst, Beijing 100101, Peoples R China;
2.Chinese Acad Sci, State Key Lab Urban & Reg Ecol, Res Ctr Ecoenvironm Sci, Beijing 100085, Peoples R China;
3.Rutgers State Univ, Dept Ecol Evolut & Nat Resources, Sch Environm & Biol Sci, New Brunswick, NJ 08901 USA;
4.Chinese Acad Sci, Inst Mt Hazard & Environm, Chengdu, Sichuan, Peoples R China;
5.Chinese Acad Sci, Inst Tibetan Plateau Res, Beijing 100101, Peoples R China;
6.Karakoram Int Univ, Dept Biol Sci, Gilgit, Pakistan;
7.Univ Chinese Acad Sci, Beijing 100049, Peoples R China;
8.Chengdu Univ Technol, Coll Earth Sci, Chengdu 610059, Sichuan, Peoples R China;
9.Australian Bur Meteorol, GPO Box 1289, Melbourne, Vic 3001, Australia.
Recommended Citation
GB/T 7714
Sun, J ,Zhou, TC ,Liu, M ,et al. Linkages of the dynamics of glaciers and lakes with the climate elements over the Tibetan Plateau[J]. EARTH-SCIENCE REVIEWS,2018,185(0):308-324.
APA Sun, J .,Zhou, TC .,Liu, M .,Chen, YC .,Shang, H .,...&Sha, YK .(2018).Linkages of the dynamics of glaciers and lakes with the climate elements over the Tibetan Plateau.EARTH-SCIENCE REVIEWS,185(0),308-324.
MLA Sun, J ,et al."Linkages of the dynamics of glaciers and lakes with the climate elements over the Tibetan Plateau".EARTH-SCIENCE REVIEWS 185.0(2018):308-324.
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