The ENVISAT Atmospheric Chemistry Mission: status and performance

Thorsten Fehr⁽¹⁾

⁽¹⁾ ESA, Via Galileo Galilei, 00044 Frascati, Italy

Abstract

Thorsten Fehr (presenter), E. Attema, A. Dehn, J. Frerick, R.M. Koopman, H.Laur, M. De Laurentis, P. Lecomte, Fabrizio Niro, L. Saavedra de Miguel, P. Snoeij

European Space Agency

Abstract:

Three atmospheric-chemistry sensors form part of the ENVISAT payload that has been placed into orbit in March 2002.This contribution presents the ENVISAT mission status and data policy, and reviews the end-to-end performance of the GOMOS, MIPAS and SCIAMACHY observation systems. In particular, for each instrument, the review addresses mission planning, in-orbit performance, calibration, data processor algorithms and configuration, reprocessing strategy, and product quality control assessment. The evolution of each of the observation systems has been distinct during the mission history: the GOMOS instrument operation has undergone an important change, and its processing chain is subject of two upgrades. For MIPAS intervention on one of the on-board subsystems has proven necessary, and an important data processing improvement cycle has been completed through reconfiguration of the processing chain. SCIAMACHY operations have required only minor interventions, and the presentation will focus on the processing chain evolution.