Biogeosciences
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Articles | Volume 23, issue 6
Articles | Volume 23, issue 6
https://doi.org/10.5194/bg-23-2119-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-23-2119-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 23, issue 6
Research article
 | 
27 Mar 2026
Research article |  | 27 Mar 2026

Estimation of particulate organic carbon export to the ocean from lateral degradations of tropical peatland coasts

Hiroki Kagawa, Koichi Yamamoto, Sigit Sutikno, Muhammad Haidar, Noerdin Basir, Atsushi Koyama, Ariyo Kanno, Yoshihisa Akamatsu, and Motoyuki Suzuki

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Short summary
This study quantifies particulate organic carbon export and peatland lateral degradation along the northern coast of Bengkalis Island, Indonesia, using field surveys and remote sensing. Estimated fluxes ranged from 2.06 to 7.60 tC m-1 yr-1 due to coastal erosion and 1.43 to 5.41 tC m-1 from peat mass movement events. These results reveal a new carbon export pathway from tropical peatland coasts to marine environments, highlighting the role of coastal processes in the global carbon cycle.
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