IMHE OpenIR  > 山地灾害与地表过程重点实验室
Spatial distribution of the oxygen-18 in precipitation in China based on a new empirical model
Zhao Pei1,2; Guo Zheng-sheng3; She Dong-li4; Tang Xiang-yu2
2019
Source PublicationJOURNAL OF MOUNTAIN SCIENCE
ISSN1672-6316
EISSN1993-0321
Volume16Issue:11Pages:2605-2614
SubtypeArticle
Contribution Rank2
AbstractModeling the oxygen-18 in precipitation based on regional topography and meteorological factors is helpful to constrain missing isotopic data in some regions that is required for many paleoclimate eco-hydrological and atmospheric circulation studies. Therefore the relationship between delta O-18 in precipitation (delta O-18(PPT)) and the affecting factors need to be thoroughly understood. We present a model considering the combined effects of temperature altitude and latitude on the spatial variability of annual average of stable isotopes in precipitation across China. This new model performed significantly better (P<0.05) than the widely used Farquhar and Bowen & Wilkinson models. Our model allows modelling the spatial distribution of isotopes in precipitation depending on temperature variation. The residuals of presented model did not significantly correlate with altitude. Based on the model and residuals a high-resolution map of annual average delta O-18(ppt) across China was generated. delta O-18(ppt) decreased from low toward high latitudes and from low towards high altitudes area. The model application provides important information for ancient climate hydrological cycle and water vapor sources studies.
KeywordClimate change Isotope hydrology Geographic information Spatial distribution
DOI10.1007/s11629-019-5514-8
Indexed BySCI
Language英语
WOS IDWOS:000495245200011
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/32294
Collection山地灾害与地表过程重点实验室
山地表生过程与生态调控重点实验室
Corresponding AuthorTang Xiang-yu
Affiliation1.Department of Geography, Shangluo University, Shangluo 726000, China;
2.Key Laboratory of Mountain Surface Processes and Ecological Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China;
3.College of Urban and Environment Sciences, Shanxi Normal University, Linfen 041000, China;
4.State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Research Center of Soil and Water Conservation and Ecological Environment, Chinese Academy of Sciences & Ministry of Education, Yangling 712100, China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Corresponding Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Zhao Pei,Guo Zheng-sheng,She Dong-li,et al. Spatial distribution of the oxygen-18 in precipitation in China based on a new empirical model[J]. JOURNAL OF MOUNTAIN SCIENCE,2019,16(11):2605-2614.
APA Zhao Pei,Guo Zheng-sheng,She Dong-li,&Tang Xiang-yu.(2019).Spatial distribution of the oxygen-18 in precipitation in China based on a new empirical model.JOURNAL OF MOUNTAIN SCIENCE,16(11),2605-2614.
MLA Zhao Pei,et al."Spatial distribution of the oxygen-18 in precipitation in China based on a new empirical model".JOURNAL OF MOUNTAIN SCIENCE 16.11(2019):2605-2614.
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