Articles | Volume 9, issue 12
https://doi.org/10.5194/amt-9-6035-2016
https://doi.org/10.5194/amt-9-6035-2016
Research article
 | 
15 Dec 2016
Research article |  | 15 Dec 2016

Improvements to the OMI O2–O2 operational cloud algorithm and comparisons with ground-based radar–lidar observations

J. Pepijn Veefkind, Johan F. de Haan, Maarten Sneep, and Pieternel F. Levelt

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Cited articles

Acarreta, J. R., De Haan, J. F., and Stammes, P.: Cloud pressure retrieval using the O2-O2 absorption band at 477 nm, J. Geophys. Res., 109, D05204, https://doi.org/10.1029/2003JD003915, 2004.
Boersma, K. F., Eskes, H. J., and Brinksma, E. J.: Error analysis for tropospheric NO2 retrieval from space, J. Geophys. Res., 109, D04311, https://doi.org/10.1029/2003JD003962, 2004.
Boersma, K. F., Eskes, H. J., Dirksen, R. J., van der A, R. J., Veefkind, J. P., Stammes, P., Huijnen, V., Kleipool, Q. L., Sneep, M., Claas, J., Leitão, J., Richter, A., Zhou, Y., and Brunner, D.: An improved tropospheric NO2 column retrieval algorithm for the Ozone Monitoring Instrument, Atmos. Meas. Tech., 4, 1905–1928, https://doi.org/10.5194/amt-4-1905-2011, 2011.
Bogumil, K., Orphal, J., and Burrows, J. P.: Temperature dependent absorption cross sections of O3, NO2, and other atmospheric trace gases measured with the SCIAMACHY spectrometer, in Looking down to Earth in the New Millennium, vol. SP-461, Gothenburg, 2000.
Burrows, J., Vountas, M., Haug, H., Chance, K., Marquard, L., Muirhead, K., Platt, U., Richter, A., and Rozanov, V.: Study of the Ring effect, Tech. Rep. ESA contract 10996/94/NL/CN, Eur. Space Agency, Noordwijk, Netherlands, 1996.
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Short summary
The Ozone Monitoring Instrument (OMI) on board the NASA EOS Aura satellite monitors the concentrations of trace gases. The accuracy of such observations relies partly on information on clouds. The OMI OMCLDO2 product derives the cloud fraction and pressure from the observed radiance in the visible. This paper reports on an improved version of this product. Compared to the previous version, the changes in cloud fraction are very small, but the changes in the cloud pressure can be significant.