Influences of the inner spherical boundary on the bottom-up type convection at the onset in a rotating spherical shell

Hinami Taniguchi1, Futoshi Takahashi1, Shin-ichi Takehiro2 and Hisayoshi Shimizu3, (1)Kyushu University, Fukuoka, Japan, (2)Kyoto University, Kyoto, Japan, (3)Univ Tokyo, Tokyo, Japan