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Volume 25 Issue 2
Apr.  2014
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Xiaoqing Cui, Jiawen Ren, Xiang Qin, Weijun Sun, Guangming Yu, Zebin Wang, Weigang Liu. Chemical Characteristics and Environmental Records of a Snow-Pit at the Glacier No. 12 in the Laohugou Valley, Qilian Mountains. Journal of Earth Science, 2014, 25(2): 379-385. doi: 10.1007/s12583-014-0426-6
Citation: Xiaoqing Cui, Jiawen Ren, Xiang Qin, Weijun Sun, Guangming Yu, Zebin Wang, Weigang Liu. Chemical Characteristics and Environmental Records of a Snow-Pit at the Glacier No. 12 in the Laohugou Valley, Qilian Mountains. Journal of Earth Science, 2014, 25(2): 379-385. doi: 10.1007/s12583-014-0426-6

Chemical Characteristics and Environmental Records of a Snow-Pit at the Glacier No. 12 in the Laohugou Valley, Qilian Mountains

doi: 10.1007/s12583-014-0426-6
  • Received Date: 2014-04-10
  • Rev Recd Date: 2014-04-10
  • Publish Date: 2014-04-10
  • In June 2006, samples were collected from a 90 cm snow-pit at an elevation of 5 040 m a.s.l. in the northern branch firn basin of the Glacier No. 12, Laohugou Valley, in the western part of Qilian Mountain, China. Oxygen isotopes (δ18O) and major soluble ions were measured. Results showed that Ca2+ is the dominant cation, and SO42- is the dominant anion. All major ions have close positive correlations with eachother except NO3- and NH4+. δ18O show positive correlation with air temperature. The method of correlation analysis, sea-salt ion tracer and trend analysis were used to determine the source of the chemical components. The correlation analysis and HYSPLIT backward trajectory analysis suggest that atmospheric soluble dust species dominate the chemical signature.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Chemical Characteristics and Environmental Records of a Snow-Pit at the Glacier No. 12 in the Laohugou Valley, Qilian Mountains

doi: 10.1007/s12583-014-0426-6

Abstract: In June 2006, samples were collected from a 90 cm snow-pit at an elevation of 5 040 m a.s.l. in the northern branch firn basin of the Glacier No. 12, Laohugou Valley, in the western part of Qilian Mountain, China. Oxygen isotopes (δ18O) and major soluble ions were measured. Results showed that Ca2+ is the dominant cation, and SO42- is the dominant anion. All major ions have close positive correlations with eachother except NO3- and NH4+. δ18O show positive correlation with air temperature. The method of correlation analysis, sea-salt ion tracer and trend analysis were used to determine the source of the chemical components. The correlation analysis and HYSPLIT backward trajectory analysis suggest that atmospheric soluble dust species dominate the chemical signature.

Xiaoqing Cui, Jiawen Ren, Xiang Qin, Weijun Sun, Guangming Yu, Zebin Wang, Weigang Liu. Chemical Characteristics and Environmental Records of a Snow-Pit at the Glacier No. 12 in the Laohugou Valley, Qilian Mountains. Journal of Earth Science, 2014, 25(2): 379-385. doi: 10.1007/s12583-014-0426-6
Citation: Xiaoqing Cui, Jiawen Ren, Xiang Qin, Weijun Sun, Guangming Yu, Zebin Wang, Weigang Liu. Chemical Characteristics and Environmental Records of a Snow-Pit at the Glacier No. 12 in the Laohugou Valley, Qilian Mountains. Journal of Earth Science, 2014, 25(2): 379-385. doi: 10.1007/s12583-014-0426-6

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