[ P31A-0533 ] A numerical simulation of thermal convection in the Martian lower atmosphere with a two-dimensional anelastic model Masatsugu Odaka odakker@gfd-dennou.org Graduate School of Mathematical Sciences, University of Tokyo, Japan Kensuke Nakajima kensuke@geo.kyushu-u.ac.jp Department of Earth and Planetary Sciences, Kyushu University, Japan Masaki Ishiwatari momoko@ees.hokudai.ac.jp Graduate School of Environmental Earth Science, Hokkaido University, Japan Yoshi-Yuki Hayashi shosuke@gfd-dennou.org Division of Earth and Planetary Sciences, Hokkaido University, Japan