Articles | Volume 18, issue 23
https://doi.org/10.5194/amt-18-7349-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-18-7349-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
04 Dec 2025
Research article |
| 04 Dec 2025
| 04 Dec 2025
Correcting for water vapor diffusion in air bag samples for isotope composition analysis: case study with drone-collected samples
Di Wang
CORRESPONDING AUTHOR
Institute of International Rivers and Eco-security, Yunnan Key Laboratory of International Rivers and Transboundary Eco-security, Ministry of Education Key Laboratory for Ecosecurity of Southwest China, Yunnan University, Kunming 650500, Yunnan, China
Laboratoire de Météorologie Dynamique, IPSL, CNRS, Sorbonne Université, Campus Pierre et Marie Curie, Paris 75005, France
Laboratoire Atmosphères, Observations Spatiales, IPSL, CNRS, UVSQ, Université Paris-Saclay, Guyancourt 78280, France
Camille Risi
Laboratoire de Météorologie Dynamique, IPSL, CNRS, Sorbonne Université, Campus Pierre et Marie Curie, Paris 75005, France
Lide Tian
Institute of International Rivers and Eco-security, Yunnan Key Laboratory of International Rivers and Transboundary Eco-security, Ministry of Education Key Laboratory for Ecosecurity of Southwest China, Yunnan University, Kunming 650500, Yunnan, China
Di Yang
Institute of International Rivers and Eco-security, Yunnan Key Laboratory of International Rivers and Transboundary Eco-security, Ministry of Education Key Laboratory for Ecosecurity of Southwest China, Yunnan University, Kunming 650500, Yunnan, China
Gabriel J. Bowen
Department of Geology and Geophysics, University of Utah, Salt Lake City, Utah 84108, USA
Siteng Fan
Laboratoire de Météorologie Dynamique, IPSL, CNRS, Sorbonne Université, Campus Pierre et Marie Curie, Paris 75005, France
Department of Earth and Space Sciences, Southern University of Science and Technology, Shenzhen 518055, China
Département d'Informatique, École normale supérieure – PSL, 45 Rue d'Ulm, 75005 Paris, France
Hongxi Pang
Key Laboratory of Coast and Island Development of Ministry of Education, School of Geography and Ocean Science, Nanjing University, Nanjing 210023, China
Laurent Z. X. Li
Laboratoire de Météorologie Dynamique, IPSL, CNRS, Sorbonne Université, Campus Pierre et Marie Curie, Paris 75005, France
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Short summary
We developed and validated a model to correct for water vapor diffusion in sampling bags, enabling reconstruction of the original isotopic composition. We quantified all major sources of error and their uncertainties and introduced permeability experiments as a necessary step before field sampling. This study improves the accuracy, reliability, and standardization of atmospheric isotope observations using air bags.
We developed and validated a model to correct for water vapor diffusion in sampling bags,...
