Intertidal regions regulate seasonal coastal carbonate system dynamics in the East Frisian Wadden Sea

Meyer, Julia; Voynova, Yoana G.; Van Dam, Bryce; Luitjens, Lara; Daehne, Dagmar; Thomas, Helmuth

doi:https://doi.org/10.5194/bg-22-6255-2025

Articles | Volume 22, issue 21

https://doi.org/10.5194/bg-22-6255-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/bg-22-6255-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 22, issue 21

Research article

|

30 Oct 2025

Research article |

| 30 Oct 2025

Intertidal regions regulate seasonal coastal carbonate system dynamics in the East Frisian Wadden Sea

Julia Meyer, Yoana G. Voynova, Bryce Van Dam, Lara Luitjens, Dagmar Daehne, and Helmuth Thomas

Supplement

https://doi.org/10.5194/bg-22-6255-2025-supplement

Data sets

FerryBox-integrated membrane-based pCO2, temperature, salinity, oxygen, chlorophyll, turbidity and pH measurements of BU-C-2107 during RV Burchana cruise Lara Luitjens et al. https://doi.org/10.1594/PANGAEA.974424

FerryBox-integrated membrane-based pCO2, temperature, salinity, oxygen, chlorophyll, turbidity and pH measurements of BU-C-2203 during RV Burchana cruise [dataset]. PANGAEA, Lara Luitjens et al. https://doi.org/10.1594/PANGAEA.974426

FerryBox-integrated membrane-based pCO2, temperature, salinity, oxygen, chlorophyll, turbidity and pH measurements of BU-C-2205 during RV Burchana cruise [dataset]. PANGAEA, Lara Luitjens et al. https://doi.org/10.1594/PANGAEA.974427

FerryBox-integrated membrane-based pCO2, temperature, salinity, oxygen, chlorophyll, turbidity and pH measurements of BU-C-2207 during RV Burchana cruise [dataset]. PANGAEA, Lara Luitjens et al. https://doi.org/10.1594/PANGAEA.974428

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Short summary

The study highlights the inter-seasonal variability of the carbonate dynamics of the East Frisian Wadden Sea, the world's largest intertidal area. During spring, increased biological activity leads to lower CO₂ and nitrate levels, while total alkalinity (TA) rises slightly. In summer, TA increases, enhancing the ocean's ability to absorb CO₂. Our research emphasizes the vital role of these intertidal regions in regulating carbon, contributing to a better understanding of carbon storage.