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Tracking seasonal evaporation of arid Ebinur Lake, NW China: isotopic evidence

文献类型：期刊论文

作者Jiang, Xiaoqing1,4; Hao, Shuai1,4; Li, Fadong2,3; Li, Guohua1,4; Ji, Dongdong1,4
刊名ENVIRONMENTAL EARTH SCIENCES
出版日期2024-09-01
卷号83期号:18页码:14
关键词Evaporation ratio delta H-2 and delta O-18 Rayleigh fractionation model Ebinur Lake
ISSN号1866-6280
DOI10.1007/s12665-024-11843-4
产权排序3
英文摘要Evaporation is a major water flux in the global terrestrial water balance, a key process in the course of water cycle. In this study, river-lake water samples in the Ebinur Lake Basin of the arid climate zone of NW-China were taken on May, August, and October 2021, to analyze the seasonal evaporation process and mechanism using delta H-2 and delta O-18 as proxies. The results showed that the mean delta H-2 and delta O-18 values of river water were - 83.1 parts per thousand and - 11.84 parts per thousand in May, -76.0 parts per thousand and - 10.85 parts per thousand in August, and - 89.4 parts per thousand and - 12.78 parts per thousand in October; and that of the lake water were - 24.7 parts per thousand and - 1.54 parts per thousand in May, -18.5 parts per thousand and - 0.08 parts per thousand in August, -27.8 parts per thousand and - 2.21 parts per thousand in October. This showed enrichment of delta H-2 and delta O-18 in summer, depletion in winter, and intermediate during spring and autumn. The water evaporation ratios of May, August, and October were 53.0%, 56.6%, 51.2% for Ebinur Lake; 13.5%, 20.3%, 6.7% for the Kuitun River; 8.8%, 14.5%, 6.2% for the Bortala River; 6.2%, 10.0%, 3.3% for the Jinghe River. And the water evaporation ratios were, in descending order, the Ebinur Lake, Kuitun River, Bortala River, and Jinghe River. Spatial analysis showed that the water evaporation ratio from the Bortala River increased from 4.4% upstream to 12.7% downstream and that of the Jinghe River increased from 6.0% upstream to 9.2% downstream. The evaporation ratio of the basin showed a strong positive correlation with temperature (R = 0.94), a weak positive correlation with precipitation (R = 0.56), a strong negative correlation with humidity (R=-0.94), a strong negative correlation with altitude (R=-0.61), and a strong sensitivity to the composition of delta 2H and delta 18O in the water body. The study using delta 2H and delta 18O as proxies can effectively reveal a seasonal model of water evaporation in the arid Ebinur Lake Basin, shedding lights on analogues in the world.
WOS关键词STABLE-ISOTOPES ; HYDROGEN ISOTOPES ; RIVER-BASIN ; WATER ; FRACTIONATION ; OXYGEN ; INFLOW ; MODEL
资助项目Scientific Research Program of the Higher Education Institution of Xinjiang ; Open Project of Xinjiang Arid Zone Lake Environment ; [42461006] ; [2021xjkk0804] ; [E2K20041AJ]
WOS研究方向Environmental Sciences & Ecology ; Geology ; Water Resources
语种英语
WOS记录号WOS:001312822200001
出版者SPRINGER
资助机构Scientific Research Program of the Higher Education Institution of Xinjiang ; Open Project of Xinjiang Arid Zone Lake Environment
源URL[http://ir.igsnrr.ac.cn/handle/311030/208659]  
专题禹城站农业生态系统研究中心_外文论文
通讯作者Hao, Shuai
作者单位1.Xinjiang Normal Univ, Urumqi 830054, Peoples R China
2.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100190, Peoples R China
3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China
4.Xinjiang Lab Lake Environm & Resources Arid Zone, Urumqi 830054, Peoples R China
推荐引用方式
GB/T 7714		 Jiang, Xiaoqing,Hao, Shuai,Li, Fadong,et al. Tracking seasonal evaporation of arid Ebinur Lake, NW China: isotopic evidence[J]. ENVIRONMENTAL EARTH SCIENCES,2024,83(18):14.
APA Jiang, Xiaoqing,Hao, Shuai,Li, Fadong,Li, Guohua,&Ji, Dongdong.(2024).Tracking seasonal evaporation of arid Ebinur Lake, NW China: isotopic evidence.ENVIRONMENTAL EARTH SCIENCES,83(18),14.
MLA Jiang, Xiaoqing,et al."Tracking seasonal evaporation of arid Ebinur Lake, NW China: isotopic evidence".ENVIRONMENTAL EARTH SCIENCES 83.18(2024):14.

入库方式： OAI收割

来源：地理科学与资源研究所

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