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DOI10.1029/2008JD011510
Deposition of anthropogenic aerosols in a southeastern Tibetan glacier
Xu, Bai-Qing; Wang, Mo; Joswiak, Daniel R.; Cao, Jun-Ji; Yao, Tan-Dong; Wu, Guang-Jian; Yang, Wei; Zhao, Hua-Biao
发表日期2009
ISSN2169-897X
卷号114
英文摘要

Measurements of elemental carbon (EC), water-insoluble organic carbon (WIOC), and inorganic ions from a very high resolution snow/firn core retrieved from a glacier on the southeastern Tibetan Plateau reveal increasing concentrations associated with deposition of anthropogenic aerosols during the period 1998-2005. EC, WIOC, and SO42- concentrations in the core were 4.7, 56.0, and 4.2 ng g(-1) in 1998, but increased to 16.8, 144.4, and 162.1 ng g(-1) in 2005, respectively. Comparison of EC to SO42- and K+ concentrations indicates a relatively greater impact of fossil fuel burning on EC deposition compared to biomass burning. Significant contribution of secondary OC production is apparent from the low EC/WIOC ratios. EC concentrations show large seasonal variability, with nonmonsoon precipitation containing more than double the concentrations found in monsoon snowfall. Since snow cover on the Tibetan Plateau extends to its maximum aerial extent during the nonmonsoon season, the high EC concentrations in snowfall during this time can cause advanced snowmelt and enhanced radiative forcing.


语种英语
WOS研究方向Meteorology & Atmospheric Sciences
WOS类目Meteorology & Atmospheric Sciences
WOS记录号WOS:000270055900003
来源期刊JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
来源机构中国科学院青藏高原研究所
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/543
推荐引用方式
GB/T 7714
Xu, Bai-Qing,Wang, Mo,Joswiak, Daniel R.,et al. Deposition of anthropogenic aerosols in a southeastern Tibetan glacier[J]. 中国科学院青藏高原研究所,2009,114.
APA Xu, Bai-Qing.,Wang, Mo.,Joswiak, Daniel R..,Cao, Jun-Ji.,Yao, Tan-Dong.,...&Zhao, Hua-Biao.(2009).Deposition of anthropogenic aerosols in a southeastern Tibetan glacier.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,114.
MLA Xu, Bai-Qing,et al."Deposition of anthropogenic aerosols in a southeastern Tibetan glacier".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 114(2009).
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