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Glacier Energy and Mass Balance in the Inland Tibetan Plateau: Seasonal and Interannual Variability in Relation to Atmospheric Changes
Li, SH (Li, Shenghai)1; Yao, TD (Yao, Tandong)1,2; Yang, W (Yang, Wei)1,2; Yu, WS (Yu, Wusheng)1,2; Zhu, ML (Zhu, Meilin)1
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
2018-06-27
Volume123Issue:12Pages:6390-6409
DOI10.1029/2017JD028120
AbstractThe Tibetan glaciers are greatly affected by the circulations of the westerlies and the Indian summer monsoon (ISM), but the mechanisms remain to be elucidated. In this project, we investigated the surface energy and mass balance of the Qiangtang No.1 Glacier in the inland Tibetan Plateau. Combining 4-year mass balance and meteorological records near the equilibrium line altitude with an energy-based mass balance model, we found that the meteorological conditions, which determined the glacier surface ablation and mass accumulation, are critically linked to changes in the intensity of the westerlies and the ISM. The 4-year mass balance comparisons demonstrated that the enhancement of the ISM in June and July, especially June, greatly increases the mass accumulation but inhibits the glacial ablation in the melt season, shifting the mass balance in a positive direction. Moreover, the occurrence of the westerlies enhancement interrupts the dominance of the ISM in the melt season. The intensified westerlies in the early melt season (June) could not only reduce the mass accumulation but also enhance the mass loss in the following months. In addition, the enhancement of the westerlies in the main melt season (July) could also greatly influence the local meteorological conditions, with lower temperatures and humidity but higher wind speeds. Such meteorological changes significantly reduce glacial ablation because more energy is consumed by sublimation and/or evaporation, rather than surface melting. These findings will enhance our understanding of the mechanisms underlying gl
WOS IDWOS:000439508000005
Language英语
Indexed BySCIE
KeywordPUROGANGRI ICE CAP SURFACE-ENERGY HIGH ASIA PRECIPITATION SEASONALITY CLIMATIC SENSITIVITY HIMALAYAN GLACIERS MARITIME GLACIER ZHADANG GLACIER ABLATION ZONE CHINA
WOS Research AreaMeteorology & Atmospheric Sciences
WOS SubjectMeteorology & Atmospheric Sciences
Cooperation Status国内
ISSN2169-897X
Department环境变化与地表过程重点实验室
PublisherAMER GEOPHYSICAL UNION
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/8619
Collection图书馆
Affiliation1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing, Peoples R China;
2.Chinese Acad Sci, CAS Ctr Excellence & Innovat Tibetan Plateau Eart, Beijing, Peoples R China.
Recommended Citation
GB/T 7714
Li, SH ,Yao, TD ,Yang, W ,et al. Glacier Energy and Mass Balance in the Inland Tibetan Plateau: Seasonal and Interannual Variability in Relation to Atmospheric Changes[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2018,123(12):6390-6409.
APA Li, SH ,Yao, TD ,Yang, W ,Yu, WS ,&Zhu, ML .(2018).Glacier Energy and Mass Balance in the Inland Tibetan Plateau: Seasonal and Interannual Variability in Relation to Atmospheric Changes.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,123(12),6390-6409.
MLA Li, SH ,et al."Glacier Energy and Mass Balance in the Inland Tibetan Plateau: Seasonal and Interannual Variability in Relation to Atmospheric Changes".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 123.12(2018):6390-6409.
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