The stable isotope evolution in Shiyi glacier system during the ablation period in the north of Tibetan Plateau, China
文献类型：期刊论文
| 作者 | Li Zongxing1; Feng Qi1; Liu Wei1; Wang Tingting1; Guo Xiaoyan1; Li Zongjie2; Gao Yan1; Pan Yanhui3; Guo Rui1; Jia Bing1 |
| 刊名 | QUATERNARY INTERNATIONAL
 |
| 出版日期 | 2015-09-04 |
| 卷号 | 380页码:262-271 |
| 关键词 | Stable isotope Hydrograph separation Shiyi glacier Tibetan plateau |
| ISSN号 | 1040-6182 |
| DOI | 10.1016/j.quaint.2015.02.013 |
| 通讯作者 | Li Zongxing(lizxhhs@163.com) |
| 英文摘要 | In order to firstly explore the stable isotope evolution of Shiyi glacier system in the central Qilian Mountains, a total of 167 samples have been collected from newly deposited snow, surface snow, snowpits, meltwater and glacier-fed river water from July 2012 to November 2013. The results indicated that only the newly deposited snow in 23 November 2013 showed a significant 'altitude effect', whereas surface snow had a reverse 'altitude effect' owing to evaporation and sublimation in summer 2012 and 2013. The delta O-18 and delta D of surface snow sharply increased from July to August and then decreased in September 2012, decreased from April to May, increased until July, and then decreased again in August 2013. The homogenization of delta O-18 and delta D was remarkable due to the post-depositional processes, and the isotopic exchange between the firn and the percolating water could cause more and more enrichment of heavy isotopes in the successive snowpits. The stable isotopes in meltwater mainly had been influenced by the ablation intensity, ablation duration and the newly deposited snow meltwater. For glacier-fed river water, the delta O-18 also had no obvious 'altitude effect'. Based on the two-component separation model, 33% and 23% of the waters originated from meltwater in Hulugou catchment on 15 May at relatively higher and lower altitude regions, respectively. On 28 July 2013, meltwater was dominant at the altitude ranges of 4077-4438 m in Hulugou catchment, accounting for almost 100% of the recharging sources, while it had contributed 44%, 42%, 32%, 20%, and 12% to runoff at the altitudes of 4038 m, 3812 m, 3600 m, 3300 m and 3000 m. (C) 2015 Elsevier Ltd and INQUA. All rights reserved. |
| 收录类别 | SCI |
| WOS关键词 | CENTRAL TIEN-SHAN ; ICE CORES ; RIVER-BASIN ; HYDROGRAPH SEPARATIONS ; OXYGEN ISOTOPES ; FIRN CORE ; NO. 1 ; PRECIPITATION ; WATER ; REGION |
| WOS研究方向 | Physical Geography ; Geology |
| WOS类目 | Geography, Physical ; Geosciences, Multidisciplinary |
| 语种 | 英语 |
| WOS记录号 | WOS:000360653300029 |
| 出版者 | PERGAMON-ELSEVIER SCIENCE LTD |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2557041 |
| 专题 | 寒区旱区环境与工程研究所 |
| 通讯作者 | Li Zongxing |
| 作者单位 | 1.Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Key Lab Ecohydrol Inland River Basin Gansu, Hydrol & Water Resources Engn Res Ctr, Lanzhou 730000, Peoples R China 2.Gansu Agr Univ, Coll Forestry, Lanzhou 730070, Peoples R China 3.Lanzhou Univ, Minist Educ, Key Lab Western Chinas Environm Syst, Lanzhou 730000, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li Zongxing,Feng Qi,Liu Wei,et al. The stable isotope evolution in Shiyi glacier system during the ablation period in the north of Tibetan Plateau, China[J]. QUATERNARY INTERNATIONAL,2015,380:262-271. |
| APA | Li Zongxing.,Feng Qi.,Liu Wei.,Wang Tingting.,Guo Xiaoyan.,...&Han Chuntan.(2015).The stable isotope evolution in Shiyi glacier system during the ablation period in the north of Tibetan Plateau, China.QUATERNARY INTERNATIONAL,380,262-271. |
| MLA | Li Zongxing,et al."The stable isotope evolution in Shiyi glacier system during the ablation period in the north of Tibetan Plateau, China".QUATERNARY INTERNATIONAL 380(2015):262-271. |
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来源：寒区旱区环境与工程研究所
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