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DOI10.1016/j.scitotenv.2020.141559
Environmental effect and spatiotemporal pattern of stable isotopes in precipitation on the transition zone between the Tibetan Plateau and arid region
Gui Juan; Li, Zongxing; Feng Qi; Yuan Ruifeng; Ning Tingting; Zhang Baijuan; Xue Jian; Gao Wende; Nan Fusen; Ding Weixuan; Yang Anle; Liang Pengfei
发表日期2020
ISSN0048-9697
EISSN1879-1026
卷号749
英文摘要In the transition zone between the Tibetan Plateau and the arid region of northwestern China, the spatiotemporal patterns and environmental controls of stable isotopes in precipitation remain unclear. A network of 19 sampling stations was established across the Qilian Mountains to observe stable isotopes in precipitation, and 1310 precipitation event-scale samples were collected. The local meteoric water line (LMWL) was obtained and expressed as 6D 7.996180- 1457 (R-2 0.96). The spatiotemporal patterns of the stable isotopes were mainly dominated by the co-influence of the water vapor sources and the local environment.The westerly circulation, monsoon circulation, and Arctic circulation accounted for 79%, 13%, and 8% of all precipitation events in the study region, respectively. The rainout process also caused oxygen isotope depletion for continuous precipitation events. When the temperature increased by 1 degrees C,6180 increased by 0.47%., but this increase varied with the temperature range. The effect of precipitation amount was apparent in summer and was caused by sub -cloud evaporation. In addition, 6180 decreased by 0.13%. for every 100 m increase in altitude in the Qilian Mountains. Future research should focus on quantifying the co-influence of sub-cloud evaporation, local moisture recycling, and water vapor sources on stable isotopes in precipitation. (C) 2020 Elsevier B.V. All rights reserved.
英文关键词Spatiotemporal pattern; Water vapor sources; Local environment; Environmental effect; Qilian Mountains
WOS研究方向Environmental Sciences & Ecology
WOS类目Environmental Sciences
WOS关键词RIVER-BASIN ; ATMOSPHERIC PRECIPITATION ; DEUTERIUM EXCESS ; QILIAN MOUNTAINS ; SPATIAL-DISTRIBUTION ; TIANSHAN MOUNTAINS ; RECYCLED MOISTURE ; CLOUD EVAPORATION ; METEORIC WATER ; HEXI CORRIDOR
WOS记录号WOS:000581793800073
来源期刊SCIENCE OF THE TOTAL ENVIRONMENT
来源机构中国科学院西北生态环境资源研究院
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/239335
作者单位[Gui Juan; Li, Zongxing; Feng Qi; Yuan Ruifeng; Ning Tingting; Zhang Baijuan; Xue Jian; Gao Wende; Nan Fusen; Ding Weixuan; Yang Anle; Liang Pengfei] Chinese Acad Sci, Observat & Res Stn Ecohydrol & Natl Pk Stable Iso, Key Lab Ecohydrol Inland River Basin, Gansu Qilian Mt Ecoenvironm Res Ctr,Northwest Ins, Lanzhou 730000, Peoples R China; [Gui Juan] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Gui Juan,Li, Zongxing,Feng Qi,et al. Environmental effect and spatiotemporal pattern of stable isotopes in precipitation on the transition zone between the Tibetan Plateau and arid region[J]. 中国科学院西北生态环境资源研究院,2020,749.
APA Gui Juan.,Li, Zongxing.,Feng Qi.,Yuan Ruifeng.,Ning Tingting.,...&Liang Pengfei.(2020).Environmental effect and spatiotemporal pattern of stable isotopes in precipitation on the transition zone between the Tibetan Plateau and arid region.SCIENCE OF THE TOTAL ENVIRONMENT,749.
MLA Gui Juan,et al."Environmental effect and spatiotemporal pattern of stable isotopes in precipitation on the transition zone between the Tibetan Plateau and arid region".SCIENCE OF THE TOTAL ENVIRONMENT 749(2020).
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