Articles | Volume 21, issue 4
https://doi.org/10.5194/bg-21-993-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-21-993-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
27 Feb 2024
Research article |
| 27 Feb 2024
| 27 Feb 2024
Atmospheric CO2 exchanges measured by eddy covariance over a temperate salt marsh and influence of environmental controlling factors
Jérémy Mayen
CORRESPONDING AUTHOR
IFREMER, Littoral, Laboratoire Environnement Ressources des Pertuis Charentais (LER/PC), BP 133, 17390 La Tremblade, France
IFREMER, Littoral, Laboratoire Environnement Ressources Morbihan-Pays de Loire (LER/MPL), BP 21105, 44311 Nantes, France
Pierre Polsenaere
IFREMER, Littoral, Laboratoire Environnement Ressources des Pertuis Charentais (LER/PC), BP 133, 17390 La Tremblade, France
Éric Lamaud
INRAE, Bordeaux Sciences Agro, ISPA, 33140 Villenave d'Ornon, France
Marie Arnaud
IFREMER, Littoral, Laboratoire Environnement Ressources des Pertuis Charentais (LER/PC), BP 133, 17390 La Tremblade, France
Institute of Ecology and Environmental Sciences Paris (iEES-Paris), Sorbonne University, 75005 Paris, France
Pierre Kostyrka
IFREMER, Littoral, Laboratoire Environnement Ressources des Pertuis Charentais (LER/PC), BP 133, 17390 La Tremblade, France
IFREMER, Dyneco, Pelagos, ZI de la Pointe du Diable – CS 10070, 29280 Plouzané, France
Jean-Marc Bonnefond
INRAE, Bordeaux Sciences Agro, ISPA, 33140 Villenave d'Ornon, France
Philippe Geairon
IFREMER, Littoral, Laboratoire Environnement Ressources des Pertuis Charentais (LER/PC), BP 133, 17390 La Tremblade, France
Julien Gernigon
LPO, Réserve Naturelle de Lilleau des Niges, 17880 Les Portes en Ré, France
Romain Chassagne
BRGM, 3 avenue Claude-Guillemin, BP 36009, 45060 Orléans, CEDEX 02, Orléans, France
Thomas Lacoue-Labarthe
Littoral Environnement et Sociétés (LIENSs), UMR 7276, CNRS, La Rochelle Université, 2 Rue Olympe de Gouge, 17000 La Rochelle, France
Aurore Regaudie de Gioux
IFREMER, Dyneco, Pelagos, ZI de la Pointe du Diable – CS 10070, 29280 Plouzané, France
Philippe Souchu
IFREMER, Littoral, Laboratoire Environnement Ressources Morbihan-Pays de Loire (LER/MPL), BP 21105, 44311 Nantes, France
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Cited
8 citations as recorded by crossref.
- Tracking mangrove light use efficiency using normalized difference red edge index Y. Liu & X. Zhu 10.1016/j.ecolind.2024.112774
- Capturing the net ecosystem CO2 exchange dynamics of tidal wetlands with high spatiotemporal resolution by integrating process-based and machine learning estimations Y. Lu et al. 10.1016/j.agrformet.2024.110045
- Dynamics of CO2 fluxes and environmental responses in a Poplar plantation M. Ge et al. 10.3389/fenvs.2024.1443779
- Drought conditions disrupt atmospheric carbon uptake in a Mediterranean saline lake I. Alfadhel et al. 10.5194/bg-21-5117-2024
- Modeling the Responses of Blue Carbon Fluxes in Mississippi River Deltaic Plain Brackish Marshes to Climate Change Induced Hydrologic Conditions H. Wang et al. 10.1007/s13157-024-01881-w
- Salt marsh litter decomposition varies more by litter type than by extent of sea-level inundation M. Arnaud et al. 10.1038/s43247-024-01855-0
- Simultaneous Column-Averaged CO₂, Temperature, and HDO Measurement by Absorption Spectroscopy Lidar: Algorithm M. Shangguan et al. 10.1109/TGRS.2024.3508035
- Sediment Addition Leads to Variable Responses in Temperate Salt Marsh Greenhouse Gas Fluxes During the Growing Season N. Bartolucci & R. Fulweiler 10.1029/2023JG007756
7 citations as recorded by crossref.
- Tracking mangrove light use efficiency using normalized difference red edge index Y. Liu & X. Zhu 10.1016/j.ecolind.2024.112774
- Capturing the net ecosystem CO2 exchange dynamics of tidal wetlands with high spatiotemporal resolution by integrating process-based and machine learning estimations Y. Lu et al. 10.1016/j.agrformet.2024.110045
- Dynamics of CO2 fluxes and environmental responses in a Poplar plantation M. Ge et al. 10.3389/fenvs.2024.1443779
- Drought conditions disrupt atmospheric carbon uptake in a Mediterranean saline lake I. Alfadhel et al. 10.5194/bg-21-5117-2024
- Modeling the Responses of Blue Carbon Fluxes in Mississippi River Deltaic Plain Brackish Marshes to Climate Change Induced Hydrologic Conditions H. Wang et al. 10.1007/s13157-024-01881-w
- Salt marsh litter decomposition varies more by litter type than by extent of sea-level inundation M. Arnaud et al. 10.1038/s43247-024-01855-0
- Simultaneous Column-Averaged CO₂, Temperature, and HDO Measurement by Absorption Spectroscopy Lidar: Algorithm M. Shangguan et al. 10.1109/TGRS.2024.3508035
Latest update: 07 Jan 2025
Short summary
We deployed an atmospheric eddy covariance system to measure continuously the net ecosystem CO2 exchanges (NEE) over a salt marsh and determine the major biophysical drivers. Our results showed an annual carbon sink mainly due to photosynthesis of the marsh plants. Our study also provides relevant information on NEE fluxes during marsh immersion by decreasing daytime CO2 uptake and night-time CO2 emissions at the daily scale, whereas the immersion did not affect the annual marsh C balance.
We deployed an atmospheric eddy covariance system to measure continuously the net ecosystem CO2...
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