globalchange  > 气候变化与战略
DOI: 10.1016/j.accre.2016.07.002
Scopus记录号: 2-s2.0-84994141732
论文题名:
Tibetan Plateau Geladaindong black carbon ice core record (1843–1982): Recent increases due to higher emissions and lower snow accumulation
作者: Matthew J.; Susan K.; Kang S.-C.; Bjorn G.; Paul A. M.
刊名: Advances in Climate Change Research
ISSN: 16749278
出版年: 2016
卷: 7, 期:3
起始页码: 132
结束页码: 138
语种: 英语
英文关键词: Black carbon ; Glacier melt ; Ice core ; Tibetan Plateau
英文摘要: Black carbon (BC) deposited on snow and glacier surfaces can reduce albedo and lead to accelerated melt. An ice core recovered from Guoqu glacier on Mt. Geladaindong and analyzed using a Single Particle Soot Photometer (SP2) provides the first long-term (1843–1982) record of BC from the central Tibetan Plateau. Post 1940 the record is characterized by an increased occurrence of years with above average BC, and the highest BC values of the record. The BC increase in recent decades is likely caused by a combination of increased emissions from regional BC sources, and a reduction in snow accumulation. Guoqu glacier has received no net ice accumulation since the 1980s, and is a potential example of a glacier where an increase in the equilibrium line altitude is exposing buried high impurity layers. That BC concentrations in the uppermost layers of the Geladaindong ice core are not substantially higher relative to deeper in the ice core suggests that some of the BC that must have been deposited on Guoqu glacier via wet or dry deposition between 1983 and 2005 has been removed from the surface of the glacier, potentially via supraglacial or englacial meltwater. © 2016 National Climate Center (China Meteorological Administration)
资助项目: Geological Society of America ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Science Foundation ; National Science Foundation
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/58838
Appears in Collections:气候变化与战略

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作者单位: Department of Geological Sciences, Central Washington University, Ellensburg, United States; State Key Laboratory of Cryospheric Sciences, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, China; Key Laboratory of Tibetan Environment Changes and Surface Processes, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, China; Climate Change Institute, University of Maine, Orono, United States

Recommended Citation:
Matthew J.,Susan K.,Kang S.-C.,et al. Tibetan Plateau Geladaindong black carbon ice core record (1843–1982): Recent increases due to higher emissions and lower snow accumulation[J]. Advances in Climate Change Research,2016-01-01,7(3)
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