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  Observing System Simulation Experiment (OSSE) of the CAIRT ozone limb profiles focusing on stratosphere to troposphere exchange

Errera, Q., Gérard, A., Johannes, F., Bernd, F., Sophie, G.-B., Michael, H., Gabriele, P., Peter, P., Piera, R., Jörn, U., Björn-Martin, S. (2023): Observing System Simulation Experiment (OSSE) of the CAIRT ozone limb profiles focusing on stratosphere to troposphere exchange, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-0950

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Datensatz-Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5016520 Versions-Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5016520_2
Genre: Konferenzbeitrag

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 Urheber:
Errera, Quentin1, Autor
Gérard, Ancellet1, Autor
Johannes, Flemming1, Autor
Bernd, Funke1, Autor
Sophie, Godin-Beeckmann1, Autor
Michael, Höpfner1, Autor
Gabriele, Poli1, Autor
Peter, Preusse1, Autor
Piera, Raspollini1, Autor
Jörn, Ungermann1, Autor
Björn-Martin, Sinnhuber1, Autor
Affiliations:
1IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations, ou_5011304              

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Schlagwörter: -
 Zusammenfassung: The Changing-Atmosphere Infra-Red Tomography Explorer (CAIRT) is one of the four candidates for ESA’s Earth Explorer 11. This mission has been proposed in order to achieve a step change in our understanding of the coupling of atmospheric circulation, composition and climate. The CAIRT concept proposes to perform limb tomography of the atmosphere from the troposphere to the lower thermosphere (about 5 to 115 km altitude) with a swath between 300 and 500 km and high spatial and spectral resolution to provide a three-dimensional picture of atmospheric structure at unprecedented scales. This contribution will investigate the capability of CAIRT to analyse stratosphere to troposphere exchange using an Observing System Simulation Experiment (OSSE). In this effort, a reference atmosphere – the nature run in the OSSE terminology – is built based on the Copernicus Atmosphere Monitoring Services (CAMS) control run (i.e. with a horizontal resolution ~40 km and a vertical resolution ~500 m in the tropopause region). The nature run is used to generate CAIRT ozone profiles, along with a CAIRT orbit simulator and a simulator to generate CAIRT ozone retrieval responses and error covariance matrix. Simulated CAIRT ozone profiles are then assimilated by the Belgian Assimilation System for Chemical ObsErvations (BASCOE) to provide ozone analyses – the assimilation run. In order to measure the added value of CAIRT data in the assimilation run, a BASCOE control run without CAIRT assimilation, is also done. Ozone fluxes across the tropopause are calculated from three numerical experiments which will be discussed in this presentation.

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Sprache(n): eng - Englisch
 Datum: 2023
 Publikationsstatus: Final veröffentlicht
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 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
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 Identifikatoren: DOI: 10.57757/IUGG23-0950
 Art des Abschluß: -

Veranstaltung

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Titel: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Veranstaltungsort: Berlin
Start-/Enddatum: 2023-07-11 - 2023-07-20

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Titel: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Genre der Quelle: Konferenzband
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Potsdam : GFZ German Research Centre for Geosciences
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