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Article

The Significance of Hydrogen and Oxygen Stable Isotopes in the Water Vapor Source in Dingxi Area

by 1,2, 1,2,*, 1,2, 1,2, 1,2, 1,2, 1,2 and 1,2
1
College of Geography and Environmental Science, Northwest Normal University, Lanzhou 730070, China
2
Key Laboratory of Resource Environment and Sustainable Development of Oasis, Lanzhou 730070, China
*
Author to whom correspondence should be addressed.
Academic Editor: Maurizio Barbieri
Water 2021, 13(17), 2374; https://doi.org/10.3390/w13172374
Received: 6 July 2021 / Revised: 25 August 2021 / Accepted: 26 August 2021 / Published: 29 August 2021
(This article belongs to the Section Hydrology)
Deuterium excess and stable oxygen isotopes in precipitation have been widely applied to trace the source of water vapor. In this study, hydrogen and oxygen isotope analyses of samples were collected on seven sampling stations in Dingxi area from April 2019 to April 2020. The seasonal variation of hydrogen and oxygen stable isotopes as well as the d-excess indicate that the source of water vapor in Dingxi area is mostly from a single source. However, there are different sources of water vapor in the summer. Meanwhile, water vapor sources were analyzed using the Lagrange algorithm, indicating two different principal water vapor sources for precipitation in the area: some locally recycled water vapor in summer and autumn, and most water vapor from the westerly belt. Further studies using the PSCF and CWT analysis methods show that the locally recycled water vapor contributes more to its precipitation in the northwest of Dingxi area. View Full-Text
Keywords: PSCF; CWT; water vapor source; Dingxi PSCF; CWT; water vapor source; Dingxi
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MDPI and ACS Style

Wu, X.; Chen, F.; Liu, X.; Wang, S.; Zhang, M.; Zhu, G.; Zhou, X.; Chen, J. The Significance of Hydrogen and Oxygen Stable Isotopes in the Water Vapor Source in Dingxi Area. Water 2021, 13, 2374. https://doi.org/10.3390/w13172374

AMA Style

Wu X, Chen F, Liu X, Wang S, Zhang M, Zhu G, Zhou X, Chen J. The Significance of Hydrogen and Oxygen Stable Isotopes in the Water Vapor Source in Dingxi Area. Water. 2021; 13(17):2374. https://doi.org/10.3390/w13172374

Chicago/Turabian Style

Wu, Xixi, Fenli Chen, Xueyuan Liu, Shengjie Wang, Mingjun Zhang, Guofeng Zhu, Xin Zhou, and Jufan Chen. 2021. "The Significance of Hydrogen and Oxygen Stable Isotopes in the Water Vapor Source in Dingxi Area" Water 13, no. 17: 2374. https://doi.org/10.3390/w13172374

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