Articles | Volume 18, issue 9
Research article
17 May 2018
Research article |  | 17 May 2018

Multi-year assimilation of IASI and MLS ozone retrievals: variability of tropospheric ozone over the tropics in response to ENSO

Hélène Peiro, Emanuele Emili, Daniel Cariolle, Brice Barret, and Eric Le Flochmoën

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Cited articles

Andreae, M. O., Andreae, T. W., Annegarn, H., Beer, J., Cachier, H., Canut, P. L., Elbert, W., Maenhaut, W., Salma, I., Wienhold, F. G., and Zenker, T.: Airborne studies of aerosol emissions from savanna fires in southern Africa, J. Geophys. Res.-Space Phys., 103, 32119–32128, 1998.
Ardanuy, P. E. and Lee Kyle, H.: El Nino and Outgoing Longwave Radiation: Observations from Nimbus-7 ERB, Am. Meteorol. Soc., 114, 415–433, 1985.
Barnston, A. G., Chelliah, M., and Goldenberg, S. B.: Documentation of a Highly ENSO-related SST region in the Equatorial Pacific, Atmos. Ocean, 35, 367–383, 1997.
Barré, J., Peuch, V. H., Attié, J. L., El Amraoui, L., Lahoz, W. A., Josse, B., Claeyman, M., and Nédélec, P.: Stratosphere-troposphere ozone exchange from high resolution MLS ozone analyses, Atmos. Chem. Phys., 12, 6129–6144,, 2012.
Barré, J., Peuch, V.-H., Lahoz, W. A., Attié, J.-L., Josse, B., Piacentini, A., Eremenko, M., Dufour, G., Nedelec, P., von Clarmann, T., and El Amraoui, L.: Combined data assimilation of ozone tropospheric columns and stratospheric profiles in a high-resolution CTM, Q. J. Roy. Meteorol. Soc., 140, 966–981,, 2013.
Short summary
Tropospheric ozone (O3) is the third most important greenhouse gas. Several sensors on satellites measure O3 concentration like the infrared sounding IASI of MetOp satellites with a spatiotemporal coverage never reached so far. The assimilation of tropospheric IASI data within the chemistry transport model MOCAGE gives a good representation of O3 variability over the tropics linked with ENSO and the Walker circulation. IASI assimilation can contribute to the long-term monitoring of O3.
Final-revised paper