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September 19, 2025Open Access

Spatio-temporal variability of greenhouse gas concentrations and fluxes in shallow coastal bays of the western Baltic Sea

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Authors

JZJulika ZinkeJHJoakim P. HansenMHMartijn Hermans

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Overview

This analysis reveals spatio-temporal variability of GHG fluxes in shallow bays, indicating significant seasonal differences.

Key Points

  • GHG levels showed significant seasonal variation, particularly in carbon dioxide and methane concentrations.
  • Surface water pCO2 ranged from 225 to 1372 ppm with fluctuations detected across seasons and locations.
  • Coastal bays generally acted as GHG sources, with one degraded bay releasing more methane than it absorbed carbon dioxide.
  • Accurate up-scaling of GHG flux data requires high-resolution measurements in dynamic coastal environments.

Cite This Study

Zinke et al. (2025) studied this question.

synapsesocial.com/papers/68d466af31b076d99fa650e1https://doi.org/10.5194/egusphere-2025-4446
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