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[1]LI Hui,JIANG Zhong-cheng,WANG Yue,et al.Variation Characteristics of Stable Isotopes in the Precipitation of Xinjiang[J].Research of Soil and Water Conservation,2009,16(05):157-161.

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Variation Characteristics of Stable Isotopes in the Precipitation of Xinjiang

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 16 Number of periods: 2009 05 Page number: 157-161 Column: Public date: 2009-10-20

Title:: Variation Characteristics of Stable Isotopes in the Precipitation of Xinjiang

Author(s):: LI Hui^1,2, JIANG Zhong-cheng³, WANG Yue¹, LUO Wei-qun³; 1. College of Environment & Resources, Guangxi Normal University, Guangxi, Guilin 541004, China;
2. The Guangxi Key Laboratory of Environmental Engineering, Protection and Assessment, Guilin, Guangxi 541004, China;
3. Institute of Karst Geology, CAGS, Guilin, Guangxi 541004, China

Keywords:: precipitation; δD; δ¹⁸O; temperature effect; amount effect of precipation

CLC:: P426.65

DOI:: -

Abstract:: Precipitation is the most important input to water cycle.Study of hydrogen and oxygen isotopes of precipitation can help identify relationships between different water and climatic information of the study area,which is the foundation for integrated water cycle research.In this paper,hydrogen and oxygen isotopic compositions of the precipitation in the recent 17 years (from 1986-2002) in Urumqi area are studied,and the precipation line equation is brought forward.Comparison with the national and global equation is made to reveal the characters of this equation.According to researching,prepitation sources in Urumqi is complicated,mainly from oceanic vapor and local evaporation.δ¹⁸O of precipitation (monthly means) and average precipation assume prominent correlation.The temperature amount effect of δD and δ¹⁸O in the precipation is very pronounce,that concealed the temperature effect.There is notable temperature effect in Urumqi area.It has been observed that the seasonal variations of δ¹⁸O in precipitation are almost consistent with its air temperature in Urumqi area,which shows that temperature is a main factor controlling the stable isotopic variations in precipitation.

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