[A-CG67] Biogeochemical linkages between the surface ocean and atmosphere

[ACG67-05] Biogeochemical properties of shallow-water CO₂ seeps on Himeshima Island and Showa Iwojima Island, Japan

*Masahiko Fujii¹, Tsuneo Ono², Makoto Yamada³, Manabu Ooue⁴, Takeru Ito⁴, Jen-Han Yang⁵, Yu Horiuchi⁶, Hisashi Oiwane⁷, Masahide Wakita⁸, Shigeki Wada⁹ (1. Atmosphere and Ocean Research Institute, The University of Tokyo, 2. Fisheries Resources Institute, Japan Fisheries Research and Education Agency, 3. Faculty of Economics, Ryukoku University, 4. Shimoda Marine Research Center, University of Tsukuba, 5. Graduate Institute of Marine Affairs, National Sun Yat-Sen University, 6. Oita Himeshima Geopark Promotion Office, 7. hikari works LLC, 8. Mutsu Institute for Oceanography, Japan Agency for Marine-Earth Science and Technology, 9. Seto Inland Sea Carbon-neutral Research Center, Hiroshima University)

Keywords:CO2 seep, Ocean acidification, Marine biodiversity, Himeshima Island, Showa Iwojima Island, Geopark