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

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

doi:10.5194/essd-18-33-2026

Articles | Volume 18, issue 1

https://doi.org/10.5194/essd-18-33-2026

© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/essd-18-33-2026

© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 18, issue 1

Data description article

|

05 Jan 2026

Data description article |

| 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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Month	HTML	PDF	XML	Total
Mar 2025	102	12	2	116
Apr 2025	89	10	2	101
May 2025	49	10	2	61
Jun 2025	54	20	5	79
Jul 2025	45	13	3	61
Aug 2025	177	17	3	197
Sep 2025	628	8	1	637
Oct 2025	37	11	1	49
Nov 2025	59	28	5	92
Dec 2025	48	44	9	101
Jan 2026	376	137	17	530
Feb 2026	176	162	12	350
Mar 2026	127	151	12	290
Apr 2026	205	185	23	413
May 2026	129	54	11	194
Jun 2026	37	12	2	51
Jul 2026	87	53	6	146
Aug 2026	58	33	5	96

Cumulative views and downloads (calculated since 25 Mar 2025)

Month	HTML	PDF	XML	Total
Mar 2025	102	12	2	116
Apr 2025	89	10	2	101
May 2025	49	10	2	61
Jun 2025	54	20	5	79
Jul 2025	45	13	3	61
Aug 2025	177	17	3	197
Sep 2025	628	8	1	637
Oct 2025	37	11	1	49
Nov 2025	59	28	5	92
Dec 2025	48	44	9	101
Jan 2026	376	137	17	530
Feb 2026	176	162	12	350
Mar 2026	127	151	12	290
Apr 2026	205	185	23	413
May 2026	129	54	11	194
Jun 2026	37	12	2	51
Jul 2026	87	53	6	146
Aug 2026	58	33	5	96

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Short summary

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.