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Article

A Stable Isotope Approach for Estimating the Contribution of Recycled Moisture to Precipitation in Lanzhou City, China

1
College of Geography and Environmental Science, Northwest Normal University, Lanzhou 730070, China
2
Key Laboratory of Resource Environment and Sustainable Development of Oasis of Gansu Province, Lanzhou 730070, China
3
Laboratory of Atmospheric Physics, Department of Physics, University of Patras, GR-265 00 Patras, Greece
*
Author to whom correspondence should be addressed.
Academic Editor: Paolo Madonia
Water 2021, 13(13), 1783; https://doi.org/10.3390/w13131783
Received: 2 June 2021 / Revised: 23 June 2021 / Accepted: 24 June 2021 / Published: 28 June 2021
(This article belongs to the Section Hydrology)
The proportional contribution of recycled moisture to local precipitation is a geographically dependent parameter that cannot be ignored in water budgets. Stable hydrogen and oxygen isotopes are sensitive to environmental changes and can be applied to investigate the modern water cycle. In this study, a three-component mixing model is used to calculate the contribution of different water vapors (advection, evaporation and transpiration) to summer precipitation in Lanzhou city, Northwest China. The results show that for all sampling sites in Lanzhou, the contribution of advection vapor to precipitation is the largest, followed by the plant transpiration vapor, and the contribution of surface evaporation water vapor is usually the least, with the average values of 87.96%, 9.1% and 2.9%, respectively. The spatial differences of plant transpiration vapor are generally larger than those of advection vapor and surface evaporation vapor, and the high values appear in Yongdeng, Daheng and Gaolan. View Full-Text
Keywords: stable isotope; precipitation recycling; isotopic mixing model; Lanzhou city stable isotope; precipitation recycling; isotopic mixing model; Lanzhou city
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MDPI and ACS Style

Chen, F.; Zhang, M.; Wu, X.; Wang, S.; Argiriou, A.A.; Zhou, X.; Chen, J. A Stable Isotope Approach for Estimating the Contribution of Recycled Moisture to Precipitation in Lanzhou City, China. Water 2021, 13, 1783. https://doi.org/10.3390/w13131783

AMA Style

Chen F, Zhang M, Wu X, Wang S, Argiriou AA, Zhou X, Chen J. A Stable Isotope Approach for Estimating the Contribution of Recycled Moisture to Precipitation in Lanzhou City, China. Water. 2021; 13(13):1783. https://doi.org/10.3390/w13131783

Chicago/Turabian Style

Chen, Fenli, Mingjun Zhang, Xixi Wu, Shengjie Wang, Athanassios A. Argiriou, Xin Zhou, and Jufan Chen. 2021. "A Stable Isotope Approach for Estimating the Contribution of Recycled Moisture to Precipitation in Lanzhou City, China" Water 13, no. 13: 1783. https://doi.org/10.3390/w13131783

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