Articles | Volume 21, issue 11
https://doi.org/10.5194/acp-21-8437-2021
© Author(s) 2021. 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-21-8437-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Modelling the impacts of iodine chemistry on the northern Indian Ocean marine boundary layer
Indian Institute of Tropical Meteorology, Ministry of Earth Sciences, Pune, 411 008, India
Department of Atmospheric Chemistry and Climate, Institute of Physical Chemistry Rocasolano, CSIC, Madrid, 28006, Spain
Swaleha Inamdar
CORRESPONDING AUTHOR
Indian Institute of Tropical Meteorology, Ministry of Earth Sciences, Pune, 411 008, India
Institute of Environment and Sustainable Development, Banaras Hindu University, Varanasi, 221 005, India
Kirpa Ram
Institute of Environment and Sustainable Development, Banaras Hindu University, Varanasi, 221 005, India
Alba Badia
Institute of Environmental Science and Technology (ICTA), Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
Alfonso Saiz-Lopez
Department of Atmospheric Chemistry and Climate, Institute of Physical Chemistry Rocasolano, CSIC, Madrid, 28006, Spain
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Cited
11 citations as recorded by crossref.
- Surface ocean-lower atmospheric processes in the Indian Ocean: Current understanding, knowledge gaps, and future directions A. Kumar et al. 10.1525/elementa.2023.00041
- Evaluation of processes driving iodine monoxide and ozone variability over the Western Pacific warm pool T. Sekiya et al. 10.1186/s40645-025-00712-8
- The Role of Natural Halogens in Global Tropospheric Ozone Chemistry and Budget Under Different 21st Century Climate Scenarios A. Badia et al. 10.1029/2021JD034859
- The impacts of marine-emitted halogens on OH radicals in East Asia during summer S. Fan & Y. Li 10.5194/acp-22-7331-2022
- Impact and pathway of halogens on atmospheric oxidants in coastal city clusters in the Yangtze River Delta region in China H. Chen et al. 10.1016/j.apr.2023.101979
- Influences of downward transport and photochemistry on surface ozone over East Antarctica during austral summer: in situ observations and model simulations I. Girach et al. 10.5194/acp-24-1979-2024
- Theoretical treatment of IO–X (X = N2, CO, CO2, H2O) complexes S. Marzouk et al. 10.1039/D1CP05536D
- A novel pathway of atmospheric sulfate formation through carbonate radicals Y. Liu et al. 10.5194/acp-22-9175-2022
- The Remarkable I2O3 Molecule: A New View from Theory C. Tang et al. 10.1021/acs.jpca.5c04243
- Impacts of ocean biogeochemistry on atmospheric chemistry L. Tinel et al. 10.1525/elementa.2023.00032
- Modelling the impacts of iodine chemistry on the northern Indian Ocean marine boundary layer A. Mahajan et al. 10.5194/acp-21-8437-2021
10 citations as recorded by crossref.
- Surface ocean-lower atmospheric processes in the Indian Ocean: Current understanding, knowledge gaps, and future directions A. Kumar et al. 10.1525/elementa.2023.00041
- Evaluation of processes driving iodine monoxide and ozone variability over the Western Pacific warm pool T. Sekiya et al. 10.1186/s40645-025-00712-8
- The Role of Natural Halogens in Global Tropospheric Ozone Chemistry and Budget Under Different 21st Century Climate Scenarios A. Badia et al. 10.1029/2021JD034859
- The impacts of marine-emitted halogens on OH radicals in East Asia during summer S. Fan & Y. Li 10.5194/acp-22-7331-2022
- Impact and pathway of halogens on atmospheric oxidants in coastal city clusters in the Yangtze River Delta region in China H. Chen et al. 10.1016/j.apr.2023.101979
- Influences of downward transport and photochemistry on surface ozone over East Antarctica during austral summer: in situ observations and model simulations I. Girach et al. 10.5194/acp-24-1979-2024
- Theoretical treatment of IO–X (X = N2, CO, CO2, H2O) complexes S. Marzouk et al. 10.1039/D1CP05536D
- A novel pathway of atmospheric sulfate formation through carbonate radicals Y. Liu et al. 10.5194/acp-22-9175-2022
- The Remarkable I2O3 Molecule: A New View from Theory C. Tang et al. 10.1021/acs.jpca.5c04243
- Impacts of ocean biogeochemistry on atmospheric chemistry L. Tinel et al. 10.1525/elementa.2023.00032
1 citations as recorded by crossref.
Latest update: 30 Aug 2025
Short summary
Using a regional model, we show that iodine-catalysed reactions cause large regional changes in the chemical composition in the northern Indian Ocean, with peak changes of up to 25 % in O3, 50 % in nitrogen oxides (NO and NO2), 15 % in hydroxyl radicals (OH), 25 % in hydroperoxyl radicals (HO2), and up to a 50 % change in the nitrate radical (NO3). These results show the importance of including iodine chemistry in modelling the atmosphere in this region.
Using a regional model, we show that iodine-catalysed reactions cause large regional changes in...
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