Water Vapor Vertical Distribution During Perihelion Season Of Martian Years 34 And 35 Observed With Nomad-So. A. Brines, (Adrianbm@Iaa.Es), M. A. LóPez-Valverde, A. Stolzenbach, A. Modak, B. Funke, F. G. Galindo, J.J. Lopez-Moreno, Iaa/Csic, Granada, Spain, S. Aoki, Japan Aerospace Exploration Agency (Jaxa), Japan, G.L. Villanueva, G. Liuzzi, Nasa Goddard Space Flight Center, Usa, American University, Washington Dc, Usa, I.R. Thomas, J.T. Erwin, F. Daerden, L. Trompet, B. Ristic, A.C. Vandaele, Royal Belgian Institute For Space Aeronomy, Belgium, U. Grabowski, Karlsruhe Institute Of Technology, Institute Of Meteorology And Climate Research, Karlsruhe, Germany, F. Forget, Laboratoire De MéTéOrologie Dynamique, Ipsl, Paris, France, M.R. Patel, Open University, Uk, G. Bellucci, Istituto Di Astrofisica E Planetologia, Italy. Introduction In The Martian Atmosphere, Water Vapor Is Crucial In Most Of The Chemical And Radiative Processes, Playing A Significant Role In The Planet’S Climate. Recent Observations Have Proven That In The Past, Mars Was Wetter Than Today, Meaning That Processes Like The Escape Of Water To The Space Have Driven The Planet To Its Current State. Also, Previous Works Have Pointed Out How Important Is The Vertical Distribution Of The Water In The Atmosphere For The Evolution Of The Planet And