Alkalinity Supply from Aged Carbonates Promotes the Retention of Mangrove-Derived DIC in the Ocean

Wataru Nakamura

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 1:45 PM - 3:15 PM 106 (International Conference Hall, Makuhari Messe)

Chairperson:Nakamura Takashi(School of Environment and Society, Institute of Science Tokyo), Komorita Tomohiro(Faculty of Environmental and Symbiotic Sciences, Prefectural University of Kumamoto), Tsuchiya Kenji(National Institute for Environmental Studies)

3:00 PM - 3:15 PM

[AOS26-18] Alkalinity Supply from Aged Carbonates Promotes the Retention of Mangrove-Derived DIC in the Ocean

*Wataru Nakamura^1,2, Toshimi Nakajima¹, Catherine Smith³, Kenta Minamidate¹, Yueh-Yang Lee¹, Kenji Tsuchiya⁴, Yasuhiko T. Yamaguchi², Yosuke Miyairi¹, Yusuke Yokoyama¹ (1. The University of Tokyo, 2. Lake Biwa Environmental Research Institute, 3. Australia National University, 4. National Institute for Environmental Studies)

Keywords:Mangrove, Radiocarbon, Akalinity pump, Carbonate dissolution, Dissolved inorganic carbon