Articles | Volume 21, issue 10
Research article
20 May 2021
Research article |  | 20 May 2021

Time-dependent 3D simulations of tropospheric ozone depletion events in the Arctic spring using the Weather Research and Forecasting model coupled with Chemistry (WRF-Chem)

Maximilian Herrmann, Holger Sihler, Udo Frieß, Thomas Wagner, Ulrich Platt, and Eva Gutheil

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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

Aaboe, S., Breivik, L., Sørensen, A., Eastwood, S., and Lavergne, T.: Global Sea Ice Edge (OSI-402-c) and Type (OSI-403-c) ProductUser'sManual–v2. 2. TechnicalReportSAF, Tech. Rep., OSI/CDOP2/MET-Norway/TEC/MA/205, EUMETSAT OSI SAF–Ocean and Sea Ice Satellite Application Facility, 2017 (data available at:, last access: 10 May 2020). a, b, c, d
Abbatt, J. P. D., Thomas, J. L., Abrahamsson, K., Boxe, C., Granfors, A., Jones, A. E., King, M. D., Saiz-Lopez, A., Shepson, P. B., Sodeau, J., Toohey, D. W., Toubin, C., von Glasow, R., Wren, S. N., and Yang, X.: Halogen activation via interactions with environmental ice and snow in the polar lower troposphere and other regions, Atmos. Chem. Phys., 12, 6237–6271,, 2012. a
AC SAF: GOME-2 BrO Total Column Density Data Record Release 1 – Metop, EUMETSAT SAF on Atmospheric Composition Monitoring [data set],, 2017a. a
AC SAF: GOME-2 O3 Total Column Density Data Record Release 2 – Metop, EUMETSAT SAF on Atmospheric Composition Monitoring [data set],, 2017b. a
AC SAF: GOME-2 NO2 Total Column Density Data Record Release 1 – Metop, EUMETSAT SAF on Atmospheric Composition Monitoring [data set],, 2017c. a
Short summary
Time-dependent 3D numerical simulations of tropospheric bromine release and ozone depletion events (ODEs) in the Arctic polar spring of 2009 are compared to observations. Simulation results agree well with the observations at both Utqiaġvik, Alaska, and at Summit, Greenland. In a parameter study, different settings for the bromine release mechanism are evaluated. An enhancement of the bromine release mechanism improves the agreement regarding the occurrence of ODEs with the observations.
Final-revised paper