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Volume 21 Issue 6
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LI Ting-yong, LI Hong-chun, SHEN Chuan-zhou, YANG Chao-xiu, LI Jun-yun, YI Cheng-cheng, YUAN Dao-xian, WANG Jian-li, XIE Shi-you. Study on the δD and δ18O characteristics of meteoric precipitation during 2006-2008 in Chongqing, China[J]. Advances in Water Science, 2010, 21(6): 757-764.
Citation: LI Ting-yong, LI Hong-chun, SHEN Chuan-zhou, YANG Chao-xiu, LI Jun-yun, YI Cheng-cheng, YUAN Dao-xian, WANG Jian-li, XIE Shi-you. Study on the δD and δ18O characteristics of meteoric precipitation during 2006-2008 in Chongqing, China[J]. Advances in Water Science, 2010, 21(6): 757-764.
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Study on the δD and δ18O characteristics of meteoric precipitation during 2006-2008 in Chongqing, China

  • 1.

    School of Geographical Sciences, Southwest University, Chongqing 400715, China;

  • 2.

    State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, CAS, Xi'an 710075, China;

  • 3.

    Key laboratory of the Three Gorges Reservoir Region's Eco-Environment(Chongqing University, Southwest University), Ministry of Education, Chongqing 400715, China;

  • 4.

    Department of Earth Sciences, National Cheng Kung University, Tainan 70101, China;

  • 5.

    Department of Geosciences, National Taiwan University, Taipei 10617, China;

  • 6.

    Karst Dynamics Laboratory, Institute of Karst Geology, CAGS, Guilin 541004, China

Funds: The study is financially supported by the National Natural Science Foundation of China(No.40802035; No.40971122) and the National Key Technolog ies R&D Program of China during the 11th Five year Plan Period(No.2006BAC01A16).
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  • Received Date: January 01, 2010
    Graphical Abstract
    • Abstract
  • The stable isotopic compositions of precipitation exhibit great diversities in different areas and seasons due to in fluences of multiple factors,such as temperature,evaporation,rainfall amount,moisture source and others.The Local Meteoric Water Line(LMWL) is established for Chongqing,China using precipitation samples collected between April 2006 and September 2008,as the result of a 29-month field campaign on the campus of Southwest University.Both D and 18O values in rainwater exhibit sign ificant seasonal variations,having higher values in winters and lower one in summers.The result also indicates that the moisture source is the primary factor for determining the isotopic compositions in local precipitation in this monsoonal region.In addtion,the evaporation is another important factor in controlling the isotopic compositions of rainwater during short-term rain events.
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    • References (19)
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