Articles | Volume 23, issue 17
https://doi.org/10.5194/acp-23-10035-2023
https://doi.org/10.5194/acp-23-10035-2023
Research article
 | 
08 Sep 2023
Research article |  | 08 Sep 2023

Constraining the budget of atmospheric carbonyl sulfide using a 3-D chemical transport model

Michael P. Cartwright, Richard J. Pope, Jeremy J. Harrison, Martyn P. Chipperfield, Chris Wilson, Wuhu Feng, David P. Moore, and Parvadha Suntharalingam

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Global Optimal Estimation Retrievals of Atmospheric Carbonyl Sulfide Over Water from IASI Measurement Spectra for 2018
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EGUsphere, https://doi.org/10.5194/egusphere-2025-1073,https://doi.org/10.5194/egusphere-2025-1073, 2025
This preprint is open for discussion and under review for Atmospheric Chemistry and Physics (ACP).
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Subject: Gases | Research Activity: Atmospheric Modelling and Data Analysis | Altitude Range: Troposphere | Science Focus: Chemistry (chemical composition and reactions)
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Cited articles

ACE-FTS: ACE-FTS Data, University of Waterloo [data set], http://www.ace.uwaterloo.ca/data.php, last access: 14 March 2022. 
Asaf, D., Rotenberg, E., Tatarinov, F., Dicken, U., Montzka, S. A., and Yakir, D.: Ecosystem photosynthesis inferred from measurements of carbonyl sulphide flux, Nat. Geosci., 6, 186–190, https://doi.org/10.1038/ngeo1730, 2013. 
Aydin, M., Britten, G. L., Montzka, S. A., Buizert, C., Primeau, F., Petrenko, V., Battle, M. B., Nicewonger, M. R., Patterson, J., Hmiel, B., and Saltzman, E. S.: Anthropogenic Impacts on Atmospheric Carbonyl Sulfide Since the 19th Century Inferred From Polar Firn Air and Ice Core Measurements, J. Geophys. Res.-Atmos., 125, e2020JD033074, https://doi.org/10.1029/2020JD033074, 2020. 
Barkley, M. P., Palmer, P. I., Boone, C. D., Bernath, P. F., and Suntharalingam, P.: Global distributions of carbonyl sulfide in the upper troposphere and stratosphere, Geophys. Res. Lett., 35, L14810, https://doi.org/10.1029/2008GL034270, 2008. 
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A 3-D chemical transport model, TOMCAT, is used to simulate global atmospheric carbonyl sulfide (OCS) distribution. Modelled OCS compares well with satellite observations of OCS from limb-sounding satellite observations. Model simulations also compare adequately with surface and atmospheric observations and suitably capture the seasonality of OCS and background concentrations.
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