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Atmospheric Measurement Techniques An interactive open-access journal of the European Geosciences Union

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Atmos. Meas. Tech., 7, 3971-3987, 2014
© Author(s) 2014. This work is distributed
under the Creative Commons Attribution 3.0 License.
Research article
27 Nov 2014
Validation of MIPAS IMK/IAA V5R_O3_224 ozone profiles
A. Laeng1, U. Grabowski1, T. von Clarmann1, G. Stiller1, N. Glatthor1, M. Höpfner1, S. Kellmann1, M. Kiefer1, A. Linden1, S. Lossow1, V. Sofieva6, I. Petropavlovskikh15, D. Hubert16, T. Bathgate9, P. Bernath19, C. D. Boone5, C. Clerbaux8, P. Coheur2, R. Damadeo7, D. Degenstein9, S. Frith10, L. Froidevaux4, J. Gille11, K. Hoppel18, M. McHugh2, Y. Kasai12, J. Lumpe17, N. Rahpoe3, G. Toon4, T. Sano13, M. Suzuki13, J. Tamminen6, J. Urban14,†, K. Walker5, M. Weber3, and J. Zawodny7 1Institut für Meteorologie und Klimaforschung, Karlsruhe Institute of Technology (IMK KIT), Karlsruhe, Germany
2Spectroscopie de l'Atmosphère, Service de Chimie Quantique et Photophysique, Université Libre de Bruxelles (ULB), Brussels, Belgium
3Institut für Umweltphysik, University of Bremen, Bremen, Germany
4Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA
5University of Toronto, Toronto, Canada
6Finnish Meteorological Institute, Helsinki, Finland
7NASA Langley Research Center, Hampton, USA
8Sorbonne Université, UPMC Univ. Paris 06, Université Versailles St-Quentin, CNRS/INSU, LATMOS-IPSL, France and ULB, Brussels, Belgium
9University of Saskatchevan, Saskatoon, Saskatchewan, Canada
10Science Systems and Applications Inc., Lanham, MD, USA
11University of Colorado, Boulder, CO, USA
12NICT, Koganei, Tokyo, Japan
13JAXA, Tsukuba, Japan
14University of Chalmers, Göteborg, Sweden
15NOAA, Boulder, CO, USA
16Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium
17Computational Physics, Inc., Boulder, CO, USA
18Naval Research Laboratory, Washington DC, USA
19Old Dominion University, Norfolk, VA, USA
Abstract. We present the results of an extensive validation program of the most recent version of ozone vertical profiles retrieved with the IMK/IAA (Institute for Meteorology and Climate Research/Instituto de Astrofísica de Andalucía) MIPAS (Michelson Interferometer for Passive Atmospheric Sounding) research level 2 processor from version 5 spectral level 1 data. The time period covered corresponds to the reduced spectral resolution period of the MIPAS instrument, i.e., January 2005–April 2012. The comparison with satellite instruments includes all post-2005 satellite limb and occultation sensors that have measured the vertical profiles of tropospheric and stratospheric ozone: ACE-FTS, GOMOS, HALOE, HIRDLS, MLS, OSIRIS, POAM, SAGE II, SCIAMACHY, SMILES, and SMR. In addition, balloon-borne MkIV solar occultation measurements and ground-based Umkehr measurements have been included, as well as two nadir sensors: IASI and SBUV. For each reference data set, bias determination and precision assessment are performed. Better agreement with reference instruments than for the previous data version, V5R_O3_220 (Laeng et al., 2014), is found: the known high bias around the ozone vmr (volume mixing ratio) peak is significantly reduced and the vertical resolution at 35 km has been improved. The agreement with limb and solar occultation reference instruments that have a known small bias vs. ozonesondes is within 7% in the lower and middle stratosphere and 5% in the upper troposphere. Around the ozone vmr peak, the agreement with most of the satellite reference instruments is within 5%; this bias is as low as 3% for ACE-FTS, MLS, OSIRIS, POAM and SBUV.

Citation: Laeng, A., Grabowski, U., von Clarmann, T., Stiller, G., Glatthor, N., Höpfner, M., Kellmann, S., Kiefer, M., Linden, A., Lossow, S., Sofieva, V., Petropavlovskikh, I., Hubert, D., Bathgate, T., Bernath, P., Boone, C. D., Clerbaux, C., Coheur, P., Damadeo, R., Degenstein, D., Frith, S., Froidevaux, L., Gille, J., Hoppel, K., McHugh, M., Kasai, Y., Lumpe, J., Rahpoe, N., Toon, G., Sano, T., Suzuki, M., Tamminen, J., Urban, J., Walker, K., Weber, M., and Zawodny, J.: Validation of MIPAS IMK/IAA V5R_O3_224 ozone profiles, Atmos. Meas. Tech., 7, 3971-3987, doi:10.5194/amt-7-3971-2014, 2014.
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