Articles | Volume 16, issue 14
https://doi.org/10.5194/gmd-16-4041-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-16-4041-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Model description paper
| 
18 Jul 2023
Model description paper |
| 18 Jul 2023
| 18 Jul 2023
Sensitivity of tropospheric ozone to halogen chemistry in the chemistry–climate model LMDZ-INCA vNMHC
Cyril Caram
Laboratoire des Sciences du Climat et de l'Environnement, LSCE/IPSL,
CEA-CNRS-UVSQ, Université Paris-Saclay, Gif-sur-Yvette, France
Laboratoire des Sciences du Climat et de l'Environnement, LSCE/IPSL,
CEA-CNRS-UVSQ, Université Paris-Saclay, Gif-sur-Yvette, France
Anne Cozic
Laboratoire des Sciences du Climat et de l'Environnement, LSCE/IPSL,
CEA-CNRS-UVSQ, Université Paris-Saclay, Gif-sur-Yvette, France
Slimane Bekki
Laboratoire Atmosphère, Milieux, Observations Spatiales, Institut
Pierre Simon Laplace, LATMOS/IPSL, CNRS-UVSQ-Sorbonne Université,
Guyancourt and Paris, France
Carlos A. Cuevas
Department of Atmospheric Chemistry and Climate, Institute of Physical
Chemistry Rocasolano, CSIC, Madrid, Spain
Alfonso Saiz-Lopez
Department of Atmospheric Chemistry and Climate, Institute of Physical
Chemistry Rocasolano, CSIC, Madrid, Spain
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Cited
14 citations as recorded by crossref.
- Tropospheric Ozone Assessment Report II: ozone interactions with climate change: drivers and long-term trends S. Szopa et al. https://doi.org/10.1098/rsta.2025.0272
- Tropospheric low ozone and its diurnal cycle over the Western Pacific warm pool from solar absorption FTIR observations X. Sun et al. https://doi.org/10.5194/acp-26-4841-2026
- Opinion: Stratospheric ozone – depletion, recovery and new challenges M. Chipperfield & S. Bekki https://doi.org/10.5194/acp-24-2783-2024
- Molecular-Level Insights of Interaction between Bromomethane and Water: Infrared Matrix-Isolation and Theoretical Studies M. Custodio Castro et al. https://doi.org/10.1021/acs.jpca.5c03137
- Future CH4 as modelled by a fully coupled Earth system model: prescribed GHG concentrations vs. interactive CH4 sources and sinks U. Im et al. https://doi.org/10.1088/2752-5295/adb3c0
- The Remarkable I2O3 Molecule: A New View from Theory C. Tang et al. https://doi.org/10.1021/acs.jpca.5c04243
- Incorporation of multi-phase halogen chemistry into the Community Multiscale Air Quality (CMAQ) model K. Kim et al. https://doi.org/10.5194/acp-25-10293-2025
- Resetting tropospheric OH and CH 4 lifetime with ultraviolet H 2 O absorption M. Prather & L. Zhu https://doi.org/10.1126/science.adn0415
- Key role of short-lived halogens on global atmospheric oxidation during historical periods A. Bossolasco et al. https://doi.org/10.1039/D4EA00141A
- Climate and Tropospheric Oxidizing Capacity A. Fiore et al. https://doi.org/10.1146/annurev-earth-032320-090307
- Short-lived halogen sources and chemistry in the Community Earth System Model v2 (CESM2-SLH) R. Fernandez et al. https://doi.org/10.5194/gmd-19-9325-2026
- A novel technique for the humidity dependent calibration of hypoiodous acid (HOI) and iodine (I2) L. Marden et al. https://doi.org/10.5194/amt-19-2715-2026
- The influence of short-lived halogens on atmospheric chemistry and climate A. Saiz-Lopez et al. https://doi.org/10.1038/s41586-025-09753-x
- Constraining the budget of NOx and volatile organic compounds at a remote tropical island using multi-platform observations and WRF-Chem model simulations C. Poraicu et al. https://doi.org/10.5194/acp-25-6903-2025
14 citations as recorded by crossref.
- Tropospheric Ozone Assessment Report II: ozone interactions with climate change: drivers and long-term trends S. Szopa et al. https://doi.org/10.1098/rsta.2025.0272
- Tropospheric low ozone and its diurnal cycle over the Western Pacific warm pool from solar absorption FTIR observations X. Sun et al. https://doi.org/10.5194/acp-26-4841-2026
- Opinion: Stratospheric ozone – depletion, recovery and new challenges M. Chipperfield & S. Bekki https://doi.org/10.5194/acp-24-2783-2024
- Molecular-Level Insights of Interaction between Bromomethane and Water: Infrared Matrix-Isolation and Theoretical Studies M. Custodio Castro et al. https://doi.org/10.1021/acs.jpca.5c03137
- Future CH4 as modelled by a fully coupled Earth system model: prescribed GHG concentrations vs. interactive CH4 sources and sinks U. Im et al. https://doi.org/10.1088/2752-5295/adb3c0
- The Remarkable I2O3 Molecule: A New View from Theory C. Tang et al. https://doi.org/10.1021/acs.jpca.5c04243
- Incorporation of multi-phase halogen chemistry into the Community Multiscale Air Quality (CMAQ) model K. Kim et al. https://doi.org/10.5194/acp-25-10293-2025
- Resetting tropospheric OH and CH 4 lifetime with ultraviolet H 2 O absorption M. Prather & L. Zhu https://doi.org/10.1126/science.adn0415
- Key role of short-lived halogens on global atmospheric oxidation during historical periods A. Bossolasco et al. https://doi.org/10.1039/D4EA00141A
- Climate and Tropospheric Oxidizing Capacity A. Fiore et al. https://doi.org/10.1146/annurev-earth-032320-090307
- Short-lived halogen sources and chemistry in the Community Earth System Model v2 (CESM2-SLH) R. Fernandez et al. https://doi.org/10.5194/gmd-19-9325-2026
- A novel technique for the humidity dependent calibration of hypoiodous acid (HOI) and iodine (I2) L. Marden et al. https://doi.org/10.5194/amt-19-2715-2026
- The influence of short-lived halogens on atmospheric chemistry and climate A. Saiz-Lopez et al. https://doi.org/10.1038/s41586-025-09753-x
- Constraining the budget of NOx and volatile organic compounds at a remote tropical island using multi-platform observations and WRF-Chem model simulations C. Poraicu et al. https://doi.org/10.5194/acp-25-6903-2025
Saved (final revised paper)
Latest update: 06 Nov 2026
Short summary
We studied the role of halogenated compounds (containing chlorine, bromine and iodine), emitted by natural processes (mainly above the oceans), in the chemistry of the lower layers of the atmosphere. We introduced this relatively new chemistry in a three-dimensional climate–chemistry model and looked at how this chemistry will disrupt the ozone. We showed that the concentration of ozone decreases by 22 % worldwide and that of the atmospheric detergent, OH, by 8 %.
We studied the role of halogenated compounds (containing chlorine, bromine and iodine), emitted...
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