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Subject: 地理学::自然地理学
Title: Dramatic mass loss in extreme high-elevation areas of a western Himalayan glacier: observations and modeling
Author: Zhao, HB (Zhao, Huabiao)1, 2; Yang, W (Yang, Wei)1, 2; Yao, TD (Yao, Tandong)1, 2; Tian, LD (Tian, Lide)1, 2; Xu, BQ (Xu, Baiqing)1, 2
Corresponding Author: Yang, W
Keyword: CHHOTA SHIGRI GLACIER ; TIBETAN PLATEAU ; ENERGY-BALANCE ; CLIMATE-CHANGE ; HIGH ASIA ; INDIA ; PRECIPITATION ; VARIABILITY ; REANALYSIS
Source: SCIENTIFIC REPORTS
Issued Date: 2016
DOI: 10.1038/srep30706
Volume: 6, Issue:0, Pages:30706
Indexed Type: SCI
Cooperation Status: 国内
DOC Type: Article
Department: 环境
English Abstract: Rapid climate change at high elevations has accelerated glacier retreat in the Himalayas and Tibetan Plateau. However, due to the lack of long-term glaciological measurements, there are still uncertainties regarding when the mass loss began and what the magnitude of mass loss is at such high elevations. Based on in situ glaciological observations during the past 9 years and a temperature-index mass balance model, this study investigates recent mass loss of the Naimona'nyi Glacier in the western Himalayas and reconstructs a 41-year (1973/74-2013/14) equilibrium line altitude (ELA) and glacier-wide mass loss. The result indicates that even at 6000 m above sea level (a.s.l.), the annual mass loss reaches similar to 0.73 m water equivalent (w.e.) during the past 9 years. Concordant with the abrupt climate shift in the end of 1980s, the ELA has dramatically risen from similar to 5969 +/- 73 m a.s.l. during 1973/74-1988/89 to similar to 6193 +/- 75 m a.s.l. during 1989/90-2013/14, suggesting that future ice cores containing uninterrupted climate records could only be recovered at least above 6200 m a.s.l. in the Naimona'nyi region. The glacier-wide mass balance over the past 41 years is averaged to be approximately -0.40 +/- 0.17 m w.e., exhibiting a significant increase in the decadal average from -0.01 +/- 0.15 to -0.69 +/- 0.21 m w.e.
Language: 英语
WOS ID: WOS:000381966000001
Citation statistics:
Content Type: 期刊论文
URI: http://ir.itpcas.ac.cn/handle/131C11/7625
Appears in Collections:图书馆_期刊论文

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description.institution: 1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China

Recommended Citation:
Zhao, HB ,Yang, W ,Yao, TD ,et al. Dramatic mass loss in extreme high-elevation areas of a western Himalayan glacier: observations and modeling[J]. SCIENTIFIC REPORTS,2016,6(0):30706.
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