Variations in Io's volcanism seen in Jupiter's sodium nebula, Io plasma torus and thermal infrared emissions

Mizuki Yoneda1, Fuminori Tsuchiya2, Katherine de Kleer3, Masato Kagitani2, Takeshi Sakanoi4, Ryoichi Koga4 and Imke De Pater5, (1)Kiepenheuer Institute of Solar Physics, Freiburg, Germany, (2)Tohoku University, Sendai, Japan, (3)California Institute of Technology, Division of Geological and Planetary Sciences, Pasadena, CA, United States, (4)PPARC, Tohoku University, Sendai, Japan, (5)University of California Berkeley, Departments of Astronomy and of Earth and Planetary Science, Berkeley, United States