globalchange  > 影响、适应和脆弱性
DOI: 10.5194/tc-9-1213-2015
Scopus记录号: 2-s2.0-84934898219
论文题名:
Dramatic loss of glacier accumulation area on the Tibetan Plateau revealed by ice core tritium and mercury records
作者: Kang S; , Wang F; , Morgenstern U; , Zhang Y; , Grigholm B; , Kaspari S; , Schwikowski M; , Ren J; , Yao T; , Qin D; , Mayewski P; A
刊名: Cryosphere
ISSN: 19940416
出版年: 2015
卷: 9, 期:3
起始页码: 1213
结束页码: 1222
语种: 英语
英文关键词: cryosphere ; glacier dynamics ; glacier mass balance ; ice core ; mercury (element) ; tracer ; tritium ; China ; Geladandong ; Himalayas ; Nyainqentanglha Mountains ; Qinghai ; Qinghai-Xizang Plateau ; Tanggula Mountains ; Xizang
英文摘要: Two ice cores were retrieved from high elevations (∼5800 m a.s.l.) at Mt. Nyainqêntanglha and Mt. Geladaindong in the southern and central Tibetan Plateau region. The combined tracer analysis of tritium (3H), 210Pb and mercury, along with other chemical records, provided multiple lines of evidence supporting that the two coring sites had not received net ice accumulation since at least the 1950s and 1980s, respectively. These results implied an annual ice loss rate of more than several hundred millimeter water equivalent over the past 30-60 years. Both mass balance modeling at the sites and in situ data from the nearby glaciers confirmed a continuously negative mass balance (or mass loss) in the region due to dramatic warming in recent decades. Along with a recent report on Naimona'nyi Glacier in the Himalayas, the findings suggest that the loss of accumulation area of glacier is a possibility from the southern to central Tibetan Plateau at high elevations, probably up to about 5800 m a.s.l. This mass loss raises concerns over the rapid rate of glacier ice loss and associated changes in surface glacier runoff, water availability, and sea levels. © Author(s) 2015.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/75284
Appears in Collections:影响、适应和脆弱性
气候变化与战略

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作者单位: State Key Laboratory of Cryospheric Sciences, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, China; CAS Center for Excellence in Tibetan Plateau Earth Sciences, Chinese Academy of Sciences, Beijing, China; Centre for Earth Observation Science, Department of Environment and Geography, University of Manitoba, Winnipeg, MB, Canada; Institute of Geological and Nuclear Sciences, National Isotope Centre, Lower Hutt, New Zealand; Climate Change Institute, Department of Earth Sciences, University of Maine, Orono, ME, United States; Department of Geological Sciences, Central Washington University, Ellensburg, WA, United States; Paul Scherrer Institute, Villigen, Switzerland

Recommended Citation:
Kang S,, Wang F,, Morgenstern U,et al. Dramatic loss of glacier accumulation area on the Tibetan Plateau revealed by ice core tritium and mercury records[J]. Cryosphere,2015-01-01,9(3)
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