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喜马拉雅山中段达索普最新粒雪芯高分辨率化学记录 被引量:7

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摘要 分析了2006年8月钻取的16.8m达索普粒雪芯δ18O和主要离子浓度记录的季节变化与年际变化.分析发现,达索普粒雪芯中δ18O和地壳源离子组分(Ca2+和Mg2+)浓度的显著季节变化为粒雪芯定年和季风、非季风层位的划分提供了依据.该粒雪芯高分辨、多参数化学数据详细记录了1991年以来喜马拉雅山中段高海拔地区降雪化学特征,该地降水化学主要受地壳源组分和人类污染源组分的影响,海盐组分贡献相对较小.研究表明达索普粒雪芯主要离子浓度的季节差异主要受盛行气团性质、区域大气环流形式及降水的季节变换所控制,同时粒雪芯年积累量是控制离子沉积通量变化的重要因子.
出处 《科学通报》 EI CAS CSCD 北大核心 2007年第21期2549-2555,共7页 Chinese Science Bulletin
基金 国家重点基础研究发展计划(编号:2005CB422004) 国家自然科学基金(批准号:40571039 40121101)资助项目
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  • 1Thompson L G. Ice core evidence for climate change in the Tropics: Implication for our future. Quat Sci Rev, 2000, 19:19-35.
  • 2Thompson L G, Yao T, Mosley-Thompson E, et al. A high-resolution millennial record of the South Asian monsoon from Himalayan ice cores. Science, 2000, 289:1916-1919.
  • 3Kang S, Mayewski P A, Qin D, et al. Glaciochemical records from a Mt. Everest ice core: Relationship to atmospheric circulation over Asia. Atmos Environ, 2002, 36(21): 3351-3361.
  • 4Shrestha A B, Wake C P, Dibb J E. Chemical composition of aerosol and snow in the high Himalaya during the summer monsoon season. Atmos Environ, 1997, 31(17): 2815-2826.
  • 5Shrestha A B, Wake C P, Dibb J E, et al. Aerosol and precipitation chemistry at a remote Himalayan site in Nepal. Aerosol Sci Technol, 2002, 36(4): 441-456.
  • 6Wake C P, Mayewski P A, Xie Z C, et al. Regional distribution of monsoon and desert dust signals recorded in Asian glaciers. Geophys Res Lett, 1993, 20(14): 1411-1414.
  • 7Wake C P, Mayewski P A, Kang S C. Climatic interpretation of the gradient in glaciochemical signals across the crest of the Himalaya. In: Cecil L D, Green J R, Thompson L G, eds. Earth Paleoenvironments: Records Preserved in Mid-and Low-latitude Glaciers. Netherland: Kluwer Academic Press, 2004.81-94.
  • 8Balerna A, Bernieri E, Pecci M, et al. Chemical and radio-chemical composition of freshsnow samples from northern slopes of Himalayas (Cho Oyu range, Tibet). Atmos Environ, 2003, 37(12): 1573-1581.
  • 9Kang S C, Qin D H, Mayewski P A, et al. Chemical composition of fresh snow on Xixabangma peak, central Himalaya, during the summer monsoon season. J Glaciol, 2002, 48:337-339.
  • 10Kang S C, Mayewski P A, Qin D H, et al. Seasonal differences in snow chemistry from the vicinity of Mt. Everest, central Himalayas. Atmos Environ, 2004, 38(18): 2819-2829.

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