edu.ucar.opensky::articles:6228 UCAR/NCAR - Library OpenSky Support PO Box 3000 Boulder CO 80307-3000 opensky@ucar.edu http://opensky.ucar.edu/ homepage pointOfContact 2025-12-26T15:21:43.100642 ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data ISO 19115-2:2009(E) https://n2t.org/ark:/85065/d7pc32j8 CO measurements from the ACE-FTS satellite instrument: Data analysis and validation using ground-based, airborne and spaceborne observations 2008-05-16T00:00:00Z publication https://n2t.org/ark:/85065/d7pc32j8 https://doi.org/10.5194/acp-8-2569-2008 Clerbaux, Cathy author George, M. author Turquety, S. author Walker, K. author Barret, B. author Bernath, P. author Boone, C. author Borsdorff, T. author Cammas, J. author Catoire, V. author Coffey, Michael T. author Coheur, P. author Deeter, Merritt N. author De Mazière, M. author Drummond, J. author Duchatelet, P. author Dupuy, E. author de Zafra, R. author Eddounia, F. author Edwards, David P. author Emmons, Louisa K. author Funke, B. author Gille, John author Griffith, D. author Hannigan, James W. author Hase, F. author Höpfner, M. author Jones, N. author Kagawa, A. author Kasai, Y. author Kramer, I. author Le Flochmoën, E. author Livesey, N. author López-Puertas, M. author Luo, M. author Mahieu, E. author Murtagh, D. author Nédélec, P. author Pazmino, A. author Pumphrey, H. author Ricaud, P. author Rinsland, C. author Robert, C. author Schneider, M. author Senten, C. author Stiller, G. author Strandberg, A. author Strong, K. author Sussmann, R. author Thouret, V. author Urban, J. author Wiacek, A. author UCAR/NCAR - Library publisher The Atmospheric Chemistry Experiment (ACE) mission was launched in August 2003 to sound the atmosphere by solar occultation. Carbon monoxide (CO), a good tracer of pollution plumes and atmospheric dynamics, is one of the key species provided by the primary instrument, the ACE-Fourier Transform Spectrometer (ACE-FTS). This instrument performs measurements in both the CO 1-0 and 2-0 ro-vibrational bands, from which vertically resolved CO concentration profiles are retrieved, from the mid-troposphere to the thermosphere. This paper presents an updated description of the ACE-FTS version 2.2 CO data product, along with a comprehensive validation of these profiles using available observations (February 2004 to December 2006). We have compared the CO partial columns with ground-based measurements using Fourier transform infrared spectroscopy and millimeter wave radiometry, and the volume mixing ratio profiles with airborne (both high-altitude balloon flight and airplane) observations. CO satellite observations provided by nadir-looking instruments (MOPITT and TES) as well as limb-viewing remote sensors (MIPAS, SMR and MLS) were also compared with the ACE-FTS CO products. We show that the ACE-FTS measurements provide CO profiles with small retrieval errors (better than 5% from the upper troposphere to 40 km, and better than 10% above). These observations agree well with the correlative measurements, considering the rather loose coincidence criteria in some cases. Based on the validation exercise we assess the following uncertainties to the ACE-FTS measurement data: better than 15% in the upper troposphere (8-12 km), than 30% in the lower stratosphere (12-30 km), and than 25% from 30 to 100 km. UCAR/NCAR - Library OpenSky Support PO Box 3000 Boulder CO 80307-3000 opensky@ucar.edu http://opensky.ucar.edu/ homepage pointOfContact PDF Text theme Resource Type 2016-01-01T00:00:00Z publication Copyright Authors 2008. This work is distributed under the Creative Commons Attribution 3.0 License None eng geoscientificInformation