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Volume 22 Issue 4
Aug.  2011
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Article Navigation >  Journal of Earth Science  > 2011  >  13(4): 

Chemical Characteristics of Snow-Firn Pack in Altai Mountains and Its EnvironmentalSignificance

doi: 10.1007/s12583-011-0202-9
  • 1.

    State Key Laboratory of Cryospheric Sciences/Tianshan Glaciological Station， Cold and Arid RegionsEnvironmental and Engineering Research Institute， Chinese Academy of Sciences， Lanzhou 730000， China

  • 2.

    Kanas National Nature Reserve， Aletai 836600， China

  • Received Date: 2018-07-15
  • Rev Recd Date: 2018-07-15
  • Publish Date: 2018-07-15
  • In order to study the chemical characteristics of snow-firn pack in Altai Mountains and its environmental significance, a 1.5-m deep snow-firn pack was dug in the accumulation zone (3 300 m a.s.l.) of the Kanas Glacier in August 2009. A total of 15 samples were analyzed for major ions. Results show that the concentrations of major ions in the snow-firn pack are NH4+>SO42->Ca2+>NO3-> Na+>Cl->K+>Mg2+. NH4+ is the dominant cation with a medium value of 4.7 ueq?L-1, accounting for 39.8% of the total cations, and SO42- is the dominant anion, with a medium value of 4.0 ueq?L-1, which accounts for 33.9% of the total cations. Compared with Belukha Glacier (Altai), Urumqi Glacier No. 1, and the Inilchek Glacier (Tienshan), there is a lower ion concentrations in the Kanas snow-firn pack. Potential sources of these chemical species are explored using correlation and empirical orthogonal function (EOF) analyses...
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通讯作者: 陈斌, bchen63@163.com
  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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Chemical Characteristics of Snow-Firn Pack in Altai Mountains and Its EnvironmentalSignificance

doi: 10.1007/s12583-011-0202-9
  • 1. State Key Laboratory of Cryospheric Sciences/Tianshan Glaciological Station， Cold and Arid RegionsEnvironmental and Engineering Research Institute， Chinese Academy of Sciences， Lanzhou 730000， China
  • 2. Kanas National Nature Reserve， Aletai 836600， China
  • Received Date: 2018-07-15
  • Rev Recd Date: 2018-07-15
  • Publish Date: 2018-07-15

Abstract: In order to study the chemical characteristics of snow-firn pack in Altai Mountains and its environmental significance, a 1.5-m deep snow-firn pack was dug in the accumulation zone (3 300 m a.s.l.) of the Kanas Glacier in August 2009. A total of 15 samples were analyzed for major ions. Results show that the concentrations of major ions in the snow-firn pack are NH4+>SO42->Ca2+>NO3-> Na+>Cl->K+>Mg2+. NH4+ is the dominant cation with a medium value of 4.7 ueq?L-1, accounting for 39.8% of the total cations, and SO42- is the dominant anion, with a medium value of 4.0 ueq?L-1, which accounts for 33.9% of the total cations. Compared with Belukha Glacier (Altai), Urumqi Glacier No. 1, and the Inilchek Glacier (Tienshan), there is a lower ion concentrations in the Kanas snow-firn pack. Potential sources of these chemical species are explored using correlation and empirical orthogonal function (EOF) analyses...

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