[S-CG52] Crustal fluids and deformation

[SCG52-P05] Continuous Radon Monitoring of Hot Spring Water at the Eastern Margin of the Aira Caldera: Performance of an Upgraded System and One-Year Time-Series Data

*Kuniyo Kawabata¹, Fumiaki Tsunomori², Yujin Kitamura³, Masami Aono⁴, Takuya Niimura⁵ (1. Center for General Education, Institute for Comprehensive Education, KAGOSHIMA UNIVERSITY, 2. Geochemical Research Center, Graduate School of Science, The University of Tokyo, 3. Center for Institutional Research, Educational Development, and Learning Support, Ochanomizu University, 4. Department of Electrical and Electronics Engineering, Graduate School of Science and Engineering, 5. Technical Support Division, Graduate School of Science and Engineering)

Keywords:222Rn, Continuous monitoring, Hot spring, Aira Caldera, Sakurajima, Volcanic activity