Articles | Volume 23, issue 17
https://doi.org/10.5194/acp-23-9787-2023
https://doi.org/10.5194/acp-23-9787-2023
Research article
 | 
04 Sep 2023
Research article |  | 04 Sep 2023

Investigation of meteorological conditions and BrO during ozone depletion events in Ny-Ålesund between 2010 and 2021

Bianca Zilker, Andreas Richter, Anne-Marlene Blechschmidt, Peter von der Gathen, Ilias Bougoudis, Sora Seo, Tim Bösch, and John Philip Burrows

Data sets

Climatologies of Geometric and Tropospheric BrO Vertical Column Densities derived from multiple UV-Vis Satellite Remote Sensors for Polar Spring over the Arctic, Institut für Umweltphysik, Universität Bremen I. Bougoudis, A.-M. Blechschmidt, A. Richter, S. Seo, and J. P. Burrows https://doi.org/10.1594/PANGAEA.906046

The ERA5 global reanalysis H. Hersbach, B. Bell, P. Berrisford, Shoji Hirahara, A. Horányi, J. Muñoz-Sabater, J. Nicolas, C. Peubey, R. Radu, D. Schepers, A. Simmons, C. Soci, S. Abdalla, X. Abellan, G. Balsamo, P. Bechtold, G. Biavati, J. Bidlot, M. Bonavita, G. De Chiara, P. Dahlgren, D. Dee, M. Diamantakis, R. Dragani, J. Flemming, R. Forbes, M. Fuentes, A. Geer, L. Haimberger, S. Healy, R. J. Hogan, E. Hólm, M. Janisková, S. Keeley, P. Laloyaux, P. Lopez, C. Lupu, G. Radnoti, P. de Rosnay, I. Rozum, F. Vamborg, S. Villaume, and J.-N. Thépaut https://doi.org/10.1002/qj.3803

NCEP FNL Operational Model Global Tropospheric Analyses, continuing from July 1999 National Centers for Environmental Prediction, National Weather Service, NOAA, and U.S. Department of Commerce https://doi.org/10.5065/D6M043C6

Atmospheric composition in the European Arctic and 30 years of the Zeppelin Observatory, Ny-Ålesund (https://ebas-data.nilu.no/) S. M. Platt, Ø. Hov, T. Berg, K. Breivik, S. Eckhardt, K. Eleftheriadis, N. Evangeliou, M. Fiebig, R. Fisher, G. Hansen, H.-C. Hansson, J. Heintzenberg, O. Hermansen, D. Heslin-Rees, K. Holmén, S. Hudson, R. Kallenborn, R. Krejci, T. Krognes, S. Larssen, D. Lowry, C. Lund Myhre, C. Lunder, E. Nisbet, P. B. Nizzetto, K.-T. Park, C. A. Pedersen, K. Aspmo Pfaffhuber, T. Röckmann, N. Schmidbauer, S. Solberg, A. Stohl, J. Ström, T. Svendby, P. Tunved, K. Tørnkvist, C. van der Veen, S. Vratolis, Y. J. Yoon, K. E. Yttri, P. Zieger, W. Aas, and K. Tørseth https://doi.org/10.5194/acp-22-3321-2022

EASE-Grid Sea Ice Age M. Tschudi, W. Meier, J. Stewart, C. Fowler, and J. Maslanik https://doi.org/10.5067/UTAV7490FEPB

Model code and software

The Lagrangian particle dispersion model FLEXPART-WRF version 3.1 (https://www.flexpart.eu/wiki/FpLimitedareaWrf) J. Brioude, D. Arnold, A. Stohl, M. Cassiani, D. Morton, P. Seibert, W. Angevine, S. Evan, A. Dingwell, J. D. Fast, R. C. Easter, I. Pisso, J. Burkhart, and G. Wotawa https://doi.org/10.5194/gmd-6-1889- 2013

A Description of the Advanced Research WRF Model Version 4 W. Skamarock, J. Klemp, J. Dudhia, D. Gill, L. Zhiquan, J. Berner, W. Wang, J. Powers, M. G. Duda, D. M. Barker, and X.-Y. Huang http://www2.mmm.ucar.edu/wrf/users/

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Short summary
During Arctic spring, near-surface ozone is depleted by bromine released from salty sea ice and/or snow-covered areas under certain meteorological conditions. To study this ozone depletion and the prevailing meteorological conditions, two ozone data sets from Ny-Ålesund, Svalbard, have been evaluated. We found that during ozone depletion events lower pressure over the Barents Sea and higher pressure in the Icelandic Low area led to a transport of cold polar air from the north to Ny-Ålesund.
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