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The ozone monitoring instrument

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Author: Levelt, P.F. · Oord, G.H.J. van den · Dobber, M.R. · Mälkki, A. · Visser, H. · Vries, J. de · Stammes, P. · Lundell, J.O.V. · Saari, H.
Publisher: IEEE
Institution: TNO Industrie en Techniek
Source:IEEE Transactions on Geoscience and Remote Sensing, 5, 44, 1093-1100
Identifier: 239249
Keywords: Air quality · Atmospheric research · Ozone layer · Ultraviolet/visible (UV/VIS) satellite instruments · Aerosols · Climate change · Earth atmosphere · Space research · Spectrometers · Ultraviolet radiation · Tropospheric chemistry · Satellite observatories


The Ozone Monitoring Instrument (OMI) flies on the National Aeronautics and Space Adminsitration's Earth Observing System Aura satellite launched in July 2004. OMI is a ultraviolet/visible (UV/VIS) nadir solar backscatter spectrometer, which provides nearly global coverage in one day with a spatial resolution of 13 km × 24 km. Trace gases measured include O3, NO2, SO2, HCHO, BrO, and OClO. In addition, OMI will measure aerosol characteristics, cloud top heights, and UV irradiance at the surface. OMI's unique capabilities for measuring important trace gases with a small footprint and daily global coverage will be a major contribution to our understanding of stratospheric and tropospheric chemistry and climate change. OMI's high spatial resolution is unprecedented and will enable detection of air pollution on urban scale resolution. In this paper, the instrument and its performance will be discussed.