Articles | Volume 18, issue 1
https://doi.org/10.5194/essd-18-33-2026
https://doi.org/10.5194/essd-18-33-2026
Data description paper
 | 
05 Jan 2026
Data description paper |  | 05 Jan 2026

A full year of continuous net soil and ditch CO2, CH4, N2O fluxes, soil hydrology and meteorology for a drained fen in Denmark

Annelie S. Nielsen, Klaus S. Larsen, Poul Erik Lærke, Andres F. Rodriguez, Johannes W. M. Pullens, Rasmus J. Petersen, and Jesper R. Christiansen

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Cited articles

Anthony, T. L. and Silver, W. L.: Hot spots and hot moments of greenhouse gas emissions in agricultural peatlands, Biogeochemistry, 167, 461–477, https://doi.org/10.1007/s10533-023-01095-y, 2023. 
Askaer, L., Elberling, B., Friborg, T., Jørgensen, C. J., and Hansen, B. U.: Plant-mediated CH4 transport and C gas dynamics quantified in-situ in a Phalaris arundinacea-dominant wetland, Plant Soil, 343, 287–301, https://doi.org/10.1007/s11104-011-0718-x, 2011. 
Boonman, J., Buzacott, A. J. V, van den Berg, M., van Huissteden, C., and van der Velde, Y.: Transparent automated CO2 flux chambers reveal spatial and temporal patterns of net carbon fluxes from managed peatlands, Ecol. Indic., 164, 112121, https://doi.org/10.1016/j.ecolind.2024.112121, 2024. 
Bridgham, S. D., Cadillo-Quiroz, H., Keller, J. K., and Zhuang, Q.: Methane emissions from wetlands: biogeochemical, microbial, and modeling perspectives from local to global scales, Glob. Chang. Biol., 19, 1325–1346, https://doi.org/10.1111/gcb.12131, 2013. 
Christiansen, J. R., Outhwaite, J., and Smukler, S. M.: Comparison of CO2, CH4 and N2O soil-atmosphere exchange measured in static chambers with cavity ring-down spectroscopy and gas chromatography, Agric. For. Meteorol., 211–212, 48–57, https://doi.org/10.1016/j.agrformet.2015.06.004, 2015. 
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Quantifying greenhouse gas emissions from wetlands is vital for climate mitigation. Our high-precision measurements of CO2, CH4, and N2O fluxes reveal highly dynamic exchanges, especially for CO2 and N2O, driven by temperature and groundwater fluctuations across hourly to monthly scales. These insights advance understanding of wetland emission regulation and support improved biogeochemical models.
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