Ten Years of GOMOS/ENVISAT Results for the Study of Stratospheric and Mesospheric Climatology and Processes
Hauchecorne, Alain1; Bertaux, J.L.1; Dalaudier, F.1; Keckhut, P.1; Tamminen, Johanna2; Bellisario, C.3; Kyrölä, Errki2; Sofieva, V.2; Pérot, K.4; Fussen, D.5; Vanhellemont, F.5; Tetard, C.5; Blanot, L.6; Barrot, G.6; Fanton d'Andon, Odile6; Dehn, A.7; Saavedra de Miguel, L.8; Funatsu, B.9
1LATMOS, CNRS, UVSQ, FRANCE; 2FMI, FINLAND; 3ONERA, FRANCE; 4Chalmers, SWEDEN; 5BIRA/IASB, BELGIUM; 6ACRI-ST, FRANCE; 7ESA, ITALY; 8SERCO, ITALY; 9LMD, Ecole Polytechnique, FRANCE
GOMOS (Global Ozone Monitoring by Occultation of Stars), on ESA's ENVISAT satellite, measured the transmission of light through the Earth’s atmosphere in the limb direction using the stellar occultation method. Vertical density profiles of O3, NO2, NO3, H2O, O2 and aerosols in the stratosphere and the mesosphere were retrieved from transmission measurements. High-resolution temperature profiles were also retrieved using data from the two fast photometers observing star scintillations. In this presentation we will present an overview of the main scientific results obtained from GOMOS data during the ten years of ENVISAT operations. New global climatologies of stratospheric and mesospheric ozone and other stratospheric species (NO2, NO3, aerosols, OClO, mesospheric Na, polar mesospheric clouds) have been established. GOMOS ozone data are included in ESA ozone-cci products. GOMOS data allowed also to study a number of chemistry and dynamics processes including the ternary ozone maximum, the link between stratospheric ozone and NOx and the equatorial quasi-biennial oscillation, the impact of solar particle precipitations and sudden stratospheric warmings on the polar mesospheric composition, the distribution of turbulence layers in the stratosphere.