Biogeosciences
Biogeosciences
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Articles | Volume 23, issue 1
Articles | Volume 23, issue 1
https://doi.org/10.5194/bg-23-181-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-23-181-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 23, issue 1
Research article
 | 
09 Jan 2026
Research article |  | 09 Jan 2026

Drivers of CO2 emissions during the dry phase in Mediterranean and Temperate ponds

Victoria Frutos-Aragón, Sandra Brucet, Rafael Marcé, Tuba Bucak, Thomas A. Davidson, Louisa-Marie von Plüskow, Pieter Lemmens, and Carolina Trochine

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Short summary
Pond sediments emit substantial CO2 during dry phases, often overlooked despite climate change increasing dry periods. We measured CO2 fluxes in 30 ponds across Mediterranean and Temperate regions, finding higher emissions in summer and in ponds with longer hydroperiods, especially in Mediterranean climates. Emissions peaked at moderate sediment water content and warm temperatures, highlighting the need to include dry-phase emissions in carbon flux assessments.
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