Articles | Volume 19, issue 3
https://doi.org/10.5194/acp-19-1753-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-19-1753-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Kinetic mass-transfer calculation of water isotope fractionation due to cloud microphysics in a regional meteorological model
I-Chun Tsai
Research Center for Environmental Changes, Academia Sinica, Taipei, Taiwan
Wan-Yu Chen
Department of Atmospheric Sciences, National Taiwan University, Taipei,
Taiwan
Central Weather Bureau, Taipei, Taiwan
Department of Atmospheric Sciences, National Taiwan University, Taipei,
Taiwan
International Degree Program on Climate Change and Sustainable Development, National
Taiwan University, Taipei, Taiwan
Mao-Chang Liang
Institute of Earth Sciences, Academia Sinica, Taipei, Taiwan
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Short summary
In conventional models, isotope exchange between liquid and gas phases is usually assumed to be in equilibrium, and the highly kinetic phase transformation processes inferred in clouds are yet to be fully investigated. We show that different factors controlling isotopic composition, including water vapor sources, atmospheric transport, phase transition pathways of water in clouds, and kinetic-versus-equilibrium mass transfer, contributed significantly to the variations in isotope composition.
In conventional models, isotope exchange between liquid and gas phases is usually assumed to be...
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