天山乌鲁木齐河源冰川积雪化学特征及其季节变化

李忠勤; 董志文; 张明军; 王飞腾

doi:10.3799/dqkx.2011.068

Volume 36 Issue 4

Jul. 2011

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Article Navigation > Earth Science > 2011 > 36(4): 370-678

LI Zhong-qin, DONG Zhi-wen, ZHANG Ming-jun, WANG Fei-teng, 2011. Chemical Characteristics and Seasonal Variation of Snow on Urumqi Glacier No.1 of the Eastern Tianshan, China. Earth Science, 36(4): 370-678. doi: 10.3799/dqkx.2011.068

Citation:

LI Zhong-qin, DONG Zhi-wen, ZHANG Ming-jun, WANG Fei-teng, 2011. Chemical Characteristics and Seasonal Variation of Snow on Urumqi Glacier No.1 of the Eastern Tianshan, China. Earth Science, 36(4): 370-678. doi: 10.3799/dqkx.2011.068

Citation:

LI Zhong-qin, DONG Zhi-wen, ZHANG Ming-jun, WANG Fei-teng, 2011. Chemical Characteristics and Seasonal Variation of Snow on Urumqi Glacier No.1 of the Eastern Tianshan, China. Earth Science, 36(4): 370-678. doi: 10.3799/dqkx.2011.068

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Chemical Characteristics and Seasonal Variation of Snow on Urumqi Glacier No.1 of the Eastern Tianshan, China

doi: 10.3799/dqkx.2011.068

1.
College of Geography and Environment Science, Northwest Normal University, Lanzhou 730070, China
2.
The State Key Laboratory of Cryospheric Sciences/Tianshan Glaciological Station, Cold and Arid Regions Environmental and Engineering Research Institute, CAS, Lanzhou 730000, China

Received Date: 2010-09-20
Publish Date: 2011-07-01

Abstract

Abstract

Alpine glacier and snow can record signals of surface earth. From September 2002 to October 2005, Surface snow samples were collected on Urumqi glacier No.1 and chemical characteristics and seasonal variations of major ions, dust, and metal were measured. Results show that the concentration of major ions is Ca²⁺ > SO₄^2- > NO₃^- > Cl^- > NH₄⁺ > Mg²⁺ > Na⁺ > K⁺, Ca²⁺ is the dominant cation, SO₄^2- is the dominant anion. All ions have good correlation except NO₃^-. δ¹⁸O shows minus correlation with air temperature change. Dust and major ionic concentrations in the snow show obvious seasonal change trend, with higher concentrations in spring but lower ones in summer, which indicates the chemical input of dust activities to snow. Temporal changes of heavy metal (Cd, Pb, Zn, Al, Fe) indicate that human activities also have effect on the snow chemistry.
- glacial geology,
- environmental effects,
- chemical features,
- seasonal change,
- material sources

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References(39)

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Chemical Characteristics and Seasonal Variation of Snow on Urumqi Glacier No.1 of the Eastern Tianshan, China

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