Annual survey of water vapor behavior from the OMEGA mapping spectrometer onboard Mars Express

Luca Maltagliati (1) , Dmitrij V. Titov (1) , Thérèse Encrenaz (2) , Riccardo Melchiorri (1) , Francois Forget (3) , Horst U. Keller (1) , Jean-Pierre Bibring (4)

1 MPS - Max-Planck-Institut für Sonnensystemforschung = Max Planck Institute for Solar System Research
2 OBSPM - Observatoire de Paris - Site de Meudon
3 LMD - Laboratoire de Météorologie Dynamique (UMR 8539)
4 IAS - Institut d'astrophysique spatiale

► Analysis of the first years of Mars Express data. ► Extensive comparison with past and simultaneous measurements. ► Agreement between datasets within the uncertainties. ► Significant quantitative discrepancies for the northern summer maximum. ► Limited amplitude of water vapor diurnal fluctuations.

Mots clés: atmosphere; Mars; climate; Infrared observations; Abundances; atmospheres

Domaines: Planète et Univers [physics]

Luca Maltagliati, Dmitrij V. Titov, Thérèse Encrenaz, Riccardo Melchiorri, Francois Forget, et al.. Annual survey of water vapor behavior from the OMEGA mapping spectrometer onboard Mars Express. Icarus, 2011, ⟨10.1016/j.icarus.2011.03.030⟩. ⟨hal-00756911⟩