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The ENVISAT Atmospheric Chemistry missions: monitoring status and evolution

Lidia Saavedra de Miguel(1), Angelika Dehn(1), Thorsten Fehr(2), Fabrizio Niro(1), Gilbert Barrot(3), Heinrich Bovensmann(4), Miguel Canela(5), Roland Gessner(6), Manfred Gottwald(7), Henri Laur(2), Pascal Lecomte(2), Gaetan Perron(8) and Piera Raspollini(9)

(1) SERCO S.p.A, Via Sciadonna 24, 00044 Frascati, Italy
(2) ESA/ESRIN, Via Galileo Galilei, 00044 Frascati, Italy
(3) ACRI-ST, Route du Pin Montard 260, 06904 Sophia-Antipolis, France
(4) IFE/University of Bremen, 28334 Bremen, 28334 Bremen, Germany
(5) ESA/ESTEC, Keplerlaan 1, 2201 AZ Noordwijk, Netherlands
(6) EADS ASTRIUM GmbH, 88039 Friedrichshafen, 88039 Friedrichshafen, Germany
(7) DLR-IMF, Münchner Str. 20, 82234 Oberpfaffenhofen, Germany
(8) ABB, 585 Charest Blvd, Québec G1K9H4, Canada
(9) IFAC/CNR, Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy

Abstract

Three atmospheric chemistry sensors are on-board the ENVISAT satellite (GOMOS, MIPAS and SCIAMACHY), which was launched on March 2002. Since then, the instruments and the processors have been accurately monitored in order to detect as early as possible any issue that could impact the quality of the data products. The monitoring task performed by the IDEAS (Instrument Data quality Evaluation and Analysis Service) team is an on-going activity which is continuously improving with the purpose to ensure that all quality requirements are met at any moment of the mission lifetime and to provide the users with the best quality of data. In this paper we show how the quality monitoring has evolved since the beginning of the mission and how the monitoring baseline and environment was adjusted to mission events like instrument anomalies and/or degradations and data processor issues and how the users benefit from this.