Evaluation of the impacts of seawater recirculation and groundwater discharge in Osaka Bay using radium isotopes

Shiho Kobayashi

Presentation information

[J] Oral

A (Atmospheric and Hydrospheric Sciences ) » A-OS Ocean Sciences & Ocean Environment

[A-OS26] Coastal Ecosystems: Land-to-Ocean Biogeochemical Cycles and their Ecosystem Functions

Tue. May 26, 2026 10:45 AM - 12:15 PM 106 (International Conference Hall, Makuhari Messe)

Chairperson:Sugimoto Ryo(Faculty of Marine Biosciences, Fukui Prefectural University), Nakamura Takashi(School of Environment and Society, Institute of Science Tokyo), Higuchi Tomihiko(Graduate School of Agriculture, Ehime University)

11:30 AM - 11:45 AM

[AOS26-10] Evaluation of the impacts of seawater recirculation and groundwater discharge in Osaka Bay using radium isotopes

*Shiho Kobayashi¹, Ryo Sugimoto², Toshimi Nakajima³, Satoshi Nakada⁴ (1. Kyoto University, 2. Fukui Prefectural University, 3. University of Tokyo, 4. National Institute for Environmental Studies)

Keywords:semi-enclosed seas, radium budget model, Recirculated saline groundwater, fluorescent dissolved organic matter(FDOM), nutrients