Articles | Volume 21, issue 24
Atmos. Chem. Phys., 21, 18433–18464, 2021
https://doi.org/10.5194/acp-21-18433-2021

Special issue: IMK–IAA MIPAS version 8 data: retrieval, validation, and application...

Atmos. Chem. Phys., 21, 18433–18464, 2021
https://doi.org/10.5194/acp-21-18433-2021

Research article 20 Dec 2021

Research article | 20 Dec 2021

The Michelson Interferometer for Passive Atmospheric Sounding global climatology of BrONO2 2002–2012: a test for stratospheric bromine chemistry

Michael Höpfner et al.

Data sets

The MIPAS global climatology of BrONO2 2002–2012 in comparison to EMAC model data M. Höpfner, O. Kirner, G. Wetzel, B.-M. Sinnhuber, F. Haenel, S. Johansson, J. Orphal, R. Ruhnke, G. Stiller, and von T. Clarmann https://doi.org/10.5445/IR/1000136324

MIPAS Level 1b IPF version 8.03, European Space Agency European Space Agency https://earth.esa.int/web/sppa/mission-performance/esa-missions/envisat/mipas/products-availability/level-1/level1-8.03

Stratospheric Aerosol and Gas Experiment (SAGE) II Version 7.0 Aerosol, O3, NO2 and H2O Profiles in binary format NASA Langley Research Center https://asdc.larc.nasa.gov/project/SAGE%20II/SAGE2_AEROSOL_O3_NO2_H2O_BINARY_V7.0

University of Wyoming stratospheric aerosol size distributions T. Deshler http://www-das.uwyo.edu/~deshler/Data/Aer_Meas_Wy_read_me.htm

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Short summary
BrONO2 is an important reservoir gas for inorganic stratospheric bromine linked to the chemical cycles of stratospheric ozone depletion. Presently infrared limb sounding is the only way to measure BrONO2 in the atmosphere. We provide global distributions of BrONO2 derived from MIPAS observations 2002–2012. Comparisons with EMAC atmospheric modelling show an overall agreement and enable us to derive an independent estimate of stratospheric bromine of 21.2±1.4pptv based on the BrONO2 measurements.
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