Journal of Geographical Sciences ›› 2016, Vol. 26 ›› Issue (6): 722-734.doi: 10.1007/s11442-016-1295-y
• Research Articles • Previous Articles Next Articles
Caixia WANG1(), Zhiwen DONG2,*(
), Xiang QIN2,3, Jie ZHANG1, Wentao DU2,3, Jinkui WU2
Received:
2015-07-24
Accepted:
2015-10-29
Online:
2016-06-15
Published:
2016-06-15
Contact:
Zhiwen DONG
E-mail:happyabear@163.com;dongzhiwen@lzb.ac.cn
About author:
Author: Wang Caixia (1987-), Master Student, specialized in environmental change in arid regions.E-mail:
Supported by:
Caixia WANG, Zhiwen DONG, Xiang QIN, Jie ZHANG, Wentao DU, Jinkui WU. Glacier meltwater runoff process analysis using δD and δ18O isotope and chemistry at the remote Laohugou glacier basin in western Qilian Mountains, China[J].Journal of Geographical Sciences, 2016, 26(6): 722-734.
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Table 1
Comparison of chemistry of hydrogen and oxygen isotope ratio in the snow and ice, precipitation and runoff in the Laohugou glacier basin"
Sample sites | Elevation (m) | SO42- (μg L-1) | Mg2+ (μg L-1) | Ca2+ (μg L-1) | HCO3- (μg L-1) | Na+ (μg L-1) | EC (μs cm-1) | pH | TDS (mg L-1) | δ18O (‰) | δD (‰) | Chemical type |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Snow and ice | 4500 -5010 | 2086.6 | 115.3 | 2580 | 2245.6 | 1044.1 | 12.2 | 5.6 | 21.3 | -15.62 | -93.7 | Ca-Na- HCO3-SO4 |
Terminus meltwater | 4260 | 5023 | 2819.1 | 7313 | 4703 | 6910 | 135 | 7.39 | 61.4 | -12.7 | -87.61 | Ca-Na- HCO3-SO4 |
500 m down terminus | 4200 | 12018 | 2832 | 6243.2 | 5011.5 | 1326 | 186.5 | 7.21 | 124.3 | -13.5 | -83.9 | Ca-Mg- HCO3-SO4 |
Table 2
Chemistry variation with month change in the glacier meltwater runoff in 2013"
Sample | Time | Sample number (n) | SO42- (μg L-1) | Mg2+ (μg L-1) | Ca2+ (μg L-1) | Cl- (μg L-1) | Na (μg L-1) | EC (μs cm-1) | pH | TDS (mg L-1) |
---|---|---|---|---|---|---|---|---|---|---|
Melt runoff | June | 11 | 2015.3 | 982 | 3214 | 291 | 1215 | 79 | 7.21 | 32.1 |
July | 23 | 5579 | 2321 | 4329 | 113 | 2145 | 146 | 7.32 | 86.2 | |
August | 28 | 3298.6 | 3176 | 3876 | 342 | 1137 | 133 | 7.43 | 65.4 | |
September | 12 | 1126.8 | 874 | 2569 | 98 | 673 | 65 | 7.10 | 43.9 |
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