Validation of Tropospheric Emission Spectrometer (TES) nadir ozone profiles using ozonesonde measurements

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dc.contributor.authorNassar, Ray
dc.contributor.authorLogan, Jennifer A.
dc.contributor.authorWorden, Helen M.
dc.contributor.authorMegretskaia, Inna A.
dc.contributor.authorBowman, Kevin W.
dc.contributor.authorOsterman, Gregory B.
dc.contributor.authorThompson, Anne M.
dc.contributor.authorTarasick, David W.
dc.contributor.authorAustin, Shermane
dc.contributor.authorClaude, Hans
dc.contributor.authorDubey, Manvendra K.
dc.contributor.authorHocking, Wayne K.
dc.contributor.authorJohnson, Bryan J.
dc.contributor.authorJoseph, Everette
dc.contributor.authorMerrill, John
dc.contributor.authorMorris, Gary A.
dc.contributor.authorNewchurch, Mike
dc.contributor.authorOltmans, Samuel J.
dc.contributor.authorPosny, Françoise
dc.contributor.authorSchmidlin, F. J.
dc.contributor.authorVömel, Holger
dc.contributor.authorWhiteman, David N.
dc.contributor.authorWitte, Jacquelyn C.
dc.date.accessioned2024-07-12T14:57:13Z
dc.date.available2024-07-12T14:57:13Z
dc.date.issued2008-05-07
dc.description.abstractWe compare Tropospheric Emission Spectrometer (TES) version 2 (V002) nadir ozone profiles with ozonesonde profiles from the Intercontinental Chemical Transport Experiment Ozonesonde Network Study, the World Ozone and Ultraviolet Data Center, the Global Monitoring Division of the Earth System Research Laboratory, and the Southern Hemisphere Additional Ozonesonde archives. Approximately 1600 coincidences spanning 72.5°S–80.3°N from October 2004 to October 2006 are found. The TES averaging kernel and constraint are applied to the ozonesonde data to account for the TES measurement sensitivity and vertical resolution. TES sonde differences are examined in six latitude zones after excluding profiles with thick high clouds. Values for the bias and standard deviation are determined using correlations of mean values of TES ozone and sonde ozone in the upper troposphere (UT) and lower troposphere (LT). The UT biases range from 2.9 to 10.6 ppbv, and the LT biases range from 3.7 to 9.2 ppbv, excluding the Arctic and Antarctic LT where TES sensitivity is low. A similar approach is used to assess seasonal differences in the northern midlatitudes where the density and frequency of sonde measurements are greatest. These results are briefly compared to TES V001 ozone validation work which also used ozonesondes but was carried out prior to improvements in the radiometric calibration and ozone retrieval in V002. Overall, the large number of TES and sonde comparisons indicate a positive bias of approximately 3–10 ppbv for the TES V002 nadir ozone data set and have helped to identify areas of potential improvement for future retrieval versions.
dc.description.sponsorshipWork at Harvard University was funded bygrants from the National Aeronautics and Space Administration (NASA),including grant NNXO71B17G. Work performed at the Jet PropulsionLaboratory, California Institute of Technology was done under contract toNASA. We thank all those responsible for the WOUDC, SHADOZ, GMD,and IONS measurements and archives for making the ozonesonde datareadily available and accessible for this work. We also thank B. Fisher,A. Eldering, R. Herman, M. Luo, and other members of the TES team whogave us comments or suggestions on this work.
dc.description.urihttps://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2007JD008819
dc.format.extent13 pages
dc.genrejournal articles
dc.identifierdoi:10.13016/m28zmh-r8bx
dc.identifier.citationNassar, Ray, Jennifer A. Logan, Helen M. Worden, Inna A. Megretskaia, Kevin W. Bowman, Gregory B. Osterman, Anne M. Thompson, et al. “Validation of Tropospheric Emission Spectrometer (TES) Nadir Ozone Profiles Using Ozonesonde Measurements.” Journal of Geophysical Research: Atmospheres 113, no. D15 (2008). https://doi.org/10.1029/2007JD008819.
dc.identifier.urihttps://doi.org/10.1029/2007JD008819
dc.identifier.urihttp://hdl.handle.net/11603/34859
dc.language.isoen_US
dc.publisherAGU
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC GESTAR II
dc.rightsThis work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.
dc.rightsPublic Domain
dc.rights.urihttps://creativecommons.org/publicdomain/mark/1.0/
dc.titleValidation of Tropospheric Emission Spectrometer (TES) nadir ozone profiles using ozonesonde measurements
dc.typeText
dcterms.creatorhttps://orcid.org/0000-0002-7829-0920

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