Characterization and correction of Global Ozone Monitoring Experiment 2 ultraviolet measurements and application to ozone profile retrievals

Abstract

[1] We present an assessment study of the Global Ozone Monitoring Experiment 2 (GOME-2) reflectance for the wavelength range 270-350 nm by comparing measurements with simulations calculated using the vector linearized discrete ordinate radiative transfer model (VLIDORT) and Microwave Limb Sounder (MLS) ozone profiles. The results indicate wavelength-and cross-track-position-dependent biases. GOME-2 reflectance is overestimated by 10% near 300 nm and by 15%-20% around 270 nm. Stokes fraction measurements made by onboard polarization measurement devices are also validated directly using the VLIDORT model. GOME-2 measurements agree well with the simulated Stokes fractions, with mean biases ranging from À1.0% to $2.9%; the absolute differences are less than 0.05. Cloudiness-dependent biases suggest the existence of uncorrected stray-light errors that vary seasonally and latitudinally. Temporal analysis indicates that reflectance degradation began at the beginning of the mission; the reflectance degrades by 15% around 290 nm and by 2.2% around 325 nm from 2007 through 2009. Degradation shows wavelength-and viewing-angle-dependent features. Preliminary validation of ozone profile retrievals with MLS, Michelson Interferometer for Passive Atmospheric Sounding, and ozonesonde reveals that the application of radiometric recalibration improves the ozone profile retrievals as well as reduces fitting residuals by 30% in band 2b.

Tropospheric emissions: Monitoring of pollution (TEMPO)

“…The TEMPO operational ozone profile algorithm is adapted from the SAO ozone profile algorithm that we have developed for GOME [66], OMI [65], and GOME-2 [12]. An updated OMI algorithm as described in [56] is being used to routinely process all the OMI data in the OMI Science Investigator-led Processing Systems (SIPS).…”

Characterization of ozone profiles derived from Aura TES and OMI radiances

“…Remote sensing of ozone concentration using spectroscopic techniques has been performed using both UV and thermal infrared (TIR) measurements. The UV measurements were carried out from ground (Götz et al, 1934;McDermid et al, 2002;Petropavlovskikh et al, 2005;Tzortziou et al, 2008), aircraft (Browell et al, 1983), balloon (Weidner et al, 2005), and spaceborne platforms (nadir-viewing measurements by Solar Backscatter Ultraviolet Radiometer (SBUV) (Bhartia et al, 1996), Global Ozone Monitoring Experiment (GOME) (Munro et al, 1998;Hoogen et al, 1999;Liu et al, 2005Liu et al, , 2006, GOME-2 (van Peet et al, 2009;Cai et al, 2012), Ozone Monitoring Instrument (OMI) (Liu et al, 2010a;Kroon et al, 2011), and limbscattering measurements by Shuttle Ozone Limb Sounding Experiment (SOLSE) (McPeters et al, 2000), Optical Spectrograph and InfraRed Imager System (OSIRIS) (von Savigny et al, 2003), and SCanning Imaging Absorption SpectroMeter for Atmospheric CHartographY (SCIAMACHY) (Eichman et al, 2004;Sellitto et al, 2012a,b)). The TIR measurements were performed from ground (Pougatchev et al, 1995;Hamdouni et al, 1997), aircraft (Toon et al, 1989;Blom et al, 1995), balloon (Clarmann et al, 1993;Toon et al, 2002), and spaceborne platforms (Atmospheric Trace Molecules Observed by Spectroscopy (ATMOS) (Gunson et al, 1990); Cryogenic Limb Array Etalon Spectrometer (CLAES) (Bailey et al, 1996); HALogen Occultation Experiment (HALOE) (Brühl et al, 1996); CRyogenic Infrared Spectrometers & Telescopes for the Atmosphere (CRISTA) (Riese et al, 1999); Atmospheric Chemistry Experiment (ACE) Boone et al, 2005), and Tropospheric Emission Spectrometer (TES) …”

Nadir ozone profile retrieval from SCIAMACHY and its application to the Antarctic ozone hole in the period 2003–2011

“…Rather it might be due to the quality of the SCIAMACHY data. Deviations in validation in the upper troposphere and lower stratosphere have been reported due to the ozone variability in a previous study of GOME-2 nadir data (Cai et al, 2012). However, in the stratosphere (within the yellow dashed lines), the the a priori profiles used in the retrieval (see Table 2).…”

“…An alternative approach is to 15 use satellite measurements in nadir mode by high-resolution spectrometers in the thermal IR, like IASI and TES, and in the UV/VIS, like GOME, GOME-2 (e.g. Cai et al, 2012;van Peet et al, 2014;Keppens et al, 2015;Miles et al, 2015). OMI (e.g.…”