Validation of ozone measurements from the Atmospheric Chemistry Experiment (ACE)

E. Dupuy 1 K.A. Walker 1, 2 J. Kar 2 C.D. Boone 1 C.T. Mcelroy 3, 2 P.F. Bernath 1 J.R. Drummond 2, 4 R. Skelton 1 S.D. Mcleod 1 R.C. Hughes 1 C.R. Nowlan 2 D.G. Dufour 5 J. Zou 2 F. Nichitiu 2 K. Strong 2 P. Baron 6 R.M. Bevilacqua 7 T. Blumenstock 8 G.E. Bodeker 9 T. Borsdorff 10 A.E. Bourassa 11 H. Bovensmann 12 I.S. Boyd 13 A. Bracher 12 C. Brogniez 14 J.P. Burrows 12 Valéry Catoire 15 S. Ceccherini 16 S. Chabrillat 17 T. Christensen 18 M.T. Coffey 19 U. Cortesi 16 J. Davies 3 C. de Clercq 17 D.A. Degenstein 11 M. de Mazière 17 P. Demoulin 20 J. Dodion 17 B. Firanski 21 H. Fischer 8 G. Forbes 22 L. Froidevaux 23 D. Fussen 17 P. Gerard 17 Sophie Godin-Beekmann 24 Florence Goutail 24 J. Granville 17 D. Griffith 25 C.S. Haley 26 J.W. Hannigan 19 M. Höpfner 8 J.J. Jin 27 A. Jones 28 N.B. Jones 25 K. Jucks 29 A. Kagawa 30, 6 Y. Kasai 6 T.E. Kerzenmacher 2 A. Kleinböhl 12 A.R. Klekociuk 31 I. Kramer 8 H. Küllmann 12 Jayanarayanan Kuttippurath 12, 24 E. Kyrölä 32 J.-C. Lambert 17 N.J. Livesey 23 E.J. Llewellyn 11 N.D. Lloyd 11 E. Mahieu 20 G.L. Manney 33, 23 B.T. Marshall 34 J.C. Mcconnell 27 M.P. Mccormick 35 I. Stuart Mcdermid 23 M. Mchugh 34 C.A. Mclinden 3 J. Mellqvist 28 K. Mizutani 6 Y. Murayama 6 D.P. Murtagh 28 H. Oelhaf 8 A. Parrish 36 S.V. Petelina 11, 37 C. Piccolo 38 Jean-Pierre Pommereau 24 C.E. Randall 39 C. Robert 15 C. Roth 11 M. Schneider 8 C. Senten 17 T. Steck 8 A. Strandberg 28 K.B. Strawbridge 21 R. Sussmann 10 D.P.J. Swart 40 D.W. Tarasick 3 J.R. Taylor 2 C. Tétard 14 L.W. Thomason 35 A.M. Thompson 41 M.B. Tully 42 Jakub Urban 28 F. Vanhellemont 17 C. Vigouroux 17 T. von Clarmann 8 P. von der Gathen 43 C. von Savigny 12 J.W. Waters 23 J.C. Witte 44, 45 M. Wolff 2 J.M. Zawodny 35
24 STRATO - LATMOS
LATMOS - Laboratoire Atmosphères, Milieux, Observations Spatiales
Abstract : This paper presents extensive {bias determination} analyses of ozone observations from the Atmospheric Chemistry Experiment (ACE) satellite instruments: the ACE Fourier Transform Spectrometer (ACE-FTS) and the Measurement of Aerosol Extinction in the Stratosphere and Troposphere Retrieved by Occultation (ACE-MAESTRO) instrument. Here we compare the latest ozone data products from ACE-FTS and ACE-MAESTRO with coincident observations from nearly 20 satellite-borne, airborne, balloon-borne and ground-based instruments, by analysing volume mixing ratio profiles and partial column densities. The ACE-FTS version 2.2 Ozone Update product reports more ozone than most correlative measurements from the upper troposphere to the lower mesosphere. At altitude levels from 16 to 44 km, the average values of the mean relative differences are nearly all within +1 to +8%. At higher altitudes (45–60 km), the ACE-FTS ozone amounts are significantly larger than those of the comparison instruments, with mean relative differences of up to +40% (about +20% on average). For the ACE-MAESTRO version 1.2 ozone data product, mean relative differences are within ±10% (average values within ±6%) between 18 and 40 km for both the sunrise and sunset measurements. At higher altitudes (~35–55 km), systematic biases of opposite sign are found between the ACE-MAESTRO sunrise and sunset observations. While ozone amounts derived from the ACE-MAESTRO sunrise occultation data are often smaller than the coincident observations (with mean relative differences down to −10%), the sunset occultation profiles for ACE-MAESTRO show results that are qualitatively similar to ACE-FTS, indicating a large positive bias (mean relative differences within +10 to +30%) in the 45–55 km altitude range. In contrast, there is no significant systematic difference in bias found for the ACE-FTS sunrise and sunset measurements.
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E. Dupuy, K.A. Walker, J. Kar, C.D. Boone, C.T. Mcelroy, et al.. Validation of ozone measurements from the Atmospheric Chemistry Experiment (ACE). Atmospheric Chemistry and Physics, European Geosciences Union, 2009, 9 (2), pp.287-343. ⟨10.5194/acp-9-287-2009⟩. ⟨hal-00409481⟩

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