Observing Atmospheric Composition From Space: Results From the Ozone Monitoring Instrument (OMI) and Expected Results From the TROPOspheric Monitoring Instrument (TROPOMI) (invited)

P. F. Levelt, KNMI, De Bilt, Netherlands; and P. K. Bhartia, J. Tamminen, J. P. Veefkind, J. Joiner, I. Aben, and Q. Kleipool