Visualizing the dissolved CO2 gas using a large Hele-Shaw cell: implication to understand the results of controlled CO2 release tests at the shallow aquifer system

Wontak Joun, Seoul National University, School of Earth and Environmental Sciences, Seoul, South Korea, Seung-Wook Ha, Seoul National University, School of Earth and Environmental Sciences, Seoul, Korea, Republic of (South) and Kang Kun Lee, Seoul National University, School of Earth and Environmental Science, Seoul, South Korea