Seasonal and solar activity dependence of the ionospheric electric fields estimated with geomagnetic solar quiet daily variation

Dr. Atsuki Shinbori, Nagoya University, Institute for Space-Earth Environmental Research, Nagoya, Japan, Yukinobu Koyama, Kyoto University, Graduate School of Science, Kyoto, Japan, Masahito Nose, Kyoto University, Kyoto, Japan, Tomoaki Hori, Nagoya University, Solar-Terrestrial Environment Laboratory, Nagoya, Japan and Yuichi Otsuka, Nagoya University, ISEE, Nagoya, Japan