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

Related authors

Impacts of Shrub Coverage for Arctic Ecosystem Carbon Uptake and Storage

Tamara Emmerichs, Fabrice Lacroix, Victor Brovkin, Sönke Zaehle, Cheng Gong, Yu Zhu, Sofie Sjogersten, Carolina Voigt, Klaus Steenberg Larsen, and Eeva-Stiina Tuitila

EGUsphere, https://doi.org/10.5194/egusphere-2026-1514,https://doi.org/10.5194/egusphere-2026-1514, 2026

This preprint is open for discussion and under review for Biogeosciences (BG).

Short summary

CEDDAR v1.0.2: Bridging physics and generative modelling for regional precipitation with controllable diffusion-based downscaling

Thea Quistgaard, Tanja Denager, Raphael J. M. Schneider, Jesper R. Christiansen, Simon Stisen, and Peter L. Langen

EGUsphere, https://doi.org/10.5194/egusphere-2026-1139,https://doi.org/10.5194/egusphere-2026-1139, 2026

This preprint is open for discussion and under review for Geoscientific Model Development (GMD).

Short summary

A Global Database of Soil Methane uptake (SMUD)

Jiawei Jiang, Zhifeng Yan, Jinshi Jian, Jesper Riis Christiansen, Xinchu Wang, Ren-Min Yang, Zhen Zhang, and Philippe Ciais

Earth Syst. Sci. Data Discuss., https://doi.org/10.5194/essd-2026-48,https://doi.org/10.5194/essd-2026-48, 2026

Preprint under review for ESSD

Short summary

Combined water table and temperature dynamics control CO₂ emission estimates from drained peatlands under rewetting and climate change scenarios

Tanja Denager, Jesper Riis Christiansen, Raphael Johannes Maria Schneider, Peter Langen, Thea Quistgaard, and Simon Stisen

Biogeosciences, 23, 441–462, https://doi.org/10.5194/bg-23-441-2026,https://doi.org/10.5194/bg-23-441-2026, 2026

Short summary

The potential of reed canary grass and the importance of field heterogeneity for reducing GHG emissions in a rewetting fen peatland

Andres F. Rodriguez, Johannes W. M. Pullens, Jesper R. Christiansen, Klaus S. Larsen, and Poul E. Lærke

SOIL, 11, 1053–1076, https://doi.org/10.5194/soil-11-1053-2025,https://doi.org/10.5194/soil-11-1053-2025, 2025

Short summary

ABCFlux v2: Arctic–boreal CO₂ and CH₄ monthly flux observations and ancillary information across terrestrial and freshwater ecosystems

Anna-Maria Virkkala, Isabel Wargowsky, Judith Vogt, McKenzie A. Kuhn, Simran Madaan, Richard O'Keefe, Tiffany Windholz, Kyle A. Arndt, Brendan M. Rogers, Jennifer D. Watts, Kelcy Kent, Mathias Göckede, David Olefeldt, Gerard Rocher-Ros, Edward A. G. Schuur, David Bastviken, Kristoffer Aalstad, Kelly Aho, Joonatan Ala-Könni, Haley Alcock, Inge Althuizen, Christopher D. Arp, Jun Asanuma, Katrin Attermeyer, Mika Aurela, Sivakiruthika Balathandayuthabani, Alan Barr, Maialen Barret, Ochirbat Batkhishig, Christina Biasi, Mats P. Björkman, Andrew Black, Elena Blanc-Betes, Pascal Bodmer, Julia Boike, Abdullah Bolek, Frédéric Bouchard, Ingeborg Bussmann, Lea Cabrol, Eleonora Canfora, Sean Carey, Karel Castro-Morales, Namyi Chae, Andres Christen, Torben R. Christensen, Casper T. Christiansen, Housen Chu, Graham Clark, Francois Clayer, Patrick Crill, Christopher Cunada, Scott J. Davidson, Joshua F. Dean, Sigrid Dengel, Matteo Detto, Catherine Dieleman, Florent Domine, Egor Dyukarev, Colin Edgar, Bo Elberling, Craig A. Emmerton, Eugenie Euskirchen, Grant Falvo, Thomas Friborg, Michelle Garneau, Mariasilvia Giamberini, Mikhail V. Glagolev, Miquel A. Gonzalez-Meler, Gustaf Granath, Jón Guðmundsson, Konsta Happonen, Yoshinobu Harazono, Lorna Harris, Josh Hashemi, Nicholas Hasson, Janna Heerah, Liam Heffernan, Manuel Helbig, Warren Helgason, Michal Heliasz, Greg Henry, Geert Hensgens, Tetsuya Hiyama, Macall Hock, David Holl, Beth Holmes, Jutta Holst, Thomas Holst, Gabriel Hould-Gosselin, Elyn Humphreys, Jacqueline Hung, Jussi Huotari, Hiroki Ikawa, Danil V. Ilyasov, Mamoru Ishikawa, Go Iwahana, Hiroki Iwata, Marcin Antoni Jackowicz-Korczynski, Joachim Jansen, Järvi Järveoja, Vincent E. J. Jassey, Rasmus Jensen, Katharina Jentzsch, Robert G. Jespersen, Carl-Fredrik Johannesson, Chersity P. Jones, Anders Jonsson, Ji Young Jung, Sari Juutinen, Evan Kane, Jan Karlsson, Sergey Karsanaev, Kuno Kasak, Julia Kelly, Kasha Kempton, Marcus Klaus, George W. Kling, Natacha Kljun, Jacqueline Knutson, Hideki Kobayashi, John Kochendorfer, Kukka-Maaria Kohonen, Pasi Kolari, Mika Korkiakoski, Aino Korrensalo, Pirkko Kortelainen, Egle Koster, Kajar Koster, Ayumi Kotani, Praveena Krishnan, Juliya Kurbatova, Lars Kutzbach, Min Jung Kwon, Ethan D. Kyzivat, Jessica Lagroix, Theodore Langhorst, Elena Lapshina, Tuula Larmola, Klaus S. Larsen, Isabelle Laurion, Justin Ledman, Hanna Lee, A. Joshua Leffler, Lance Lesack, Anders Lindroth, David Lipson, Annalea Lohila, Efrén López-Blanco, Vincent L. St. Louis, Erik Lundin, Misha Luoto, Takashi Machimura, Marta Magnani, Avni Malhotra, Marja Maljanen, Ivan Mammarella, Elisa Männistö, Luca Belelli Marchesini, Phil Marsh, Pertti J. Martkainen, Maija E. Marushchak, Mikhail Mastepanov, Alex Mavrovic, Trofim Maximov, Christina Minions, Marco Montemayor, Tomoaki Morishita, Patrick Murphy, Daniel F. Nadeau, Erin Nicholls, Mats B. Nilsson, Anastasia Niyazova, Jenni Nordén, Koffi Dodji Noumonvi, Hannu Nykanen, Walter Oechel, Anne Ojala, Tomohiro Okadera, Sujan Pal, Alexey V. Panov, Tim Papakyriakou, Dario Papale, Sang-Jong Park, Frans-Jan W. Parmentier, Gilberto Pastorello, Mike Peacock, Matthias Peichl, Roman Petrov, Kyra St. Pierre, Norbert Pirk, Jessica Plein, Vilmantas Preskienis, Anatoly Prokushkin, Jukka Pumpanen, Hilary A. Rains, Niklas Rakos, Aleski Räsänen, Helena Rautakoski, Riika Rinnan, Janne Rinne, Adrian Rocha, Nigel Roulet, Alexandre Roy, Anna Rutgersson, Aleksandr F. Sabrekov, Torsten Sachs, Erik Sahlée, Alejandro Salazar, Henrique Oliveira Sawakuchi, Christopher Schulze, Roger Seco, Armando Sepulveda-Jauregui, Svetlana Serikova, Abbey Serrone, Hanna M. Silvennoinen, Sofie Sjogersten, June Skeeter, Jo Snöälv, Sebastian Sobek, Oliver Sonnentag, Emily H. Stanley, Maria Strack, Lena Strom, Patrick Sullivan, Ryan Sullivan, Anna Sytiuk, Torbern Tagesson, Pierre Taillardat, Julie Talbot, Suzanne E. Tank, Mario Tenuta, Irina Terenteva, Frederic Thalasso, Antoine Thiboult, Halldor Thorgeirsson, Fenix Garcia Tigreros, Margaret Torn, Amy Townsend-Small, Claire Treat, Alain Tremblay, Carlo Trotta, Eeva-Stiina Tuittila, Merritt Turetsky, Masahito Ueyama, Muhammad Umair, Aki Vähä, Lona van Delden, Maarten van Hardenbroek, Andrej Varlagin, Ruth K. Varner, Elena Veretennikova, Timo Vesala, Tarmo Virtanen, Carolina Voigt, Jorien E. Vonk, Robert Wagner, Katey Walter Anthony, Qinxue Wang, Masataka Watanabe, Hailey Webb, Jeffrey M. Welker, Andreas Westergaard-Nielsen, Sebastian Westermann, Jeffrey R. White, Christian Wille, Scott N. Williamson, Scott Zolkos, Donatella Zona, and Susan M. Natali

Earth Syst. Sci. Data Discuss., https://doi.org/10.5194/essd-2025-585,https://doi.org/10.5194/essd-2025-585, 2025

Preprint under review for ESSD

Short summary

Exploring the impacts of unprecedented climate extremes on forest ecosystems: hypotheses to guide modeling and experimental studies

Jennifer A. Holm, David M. Medvigy, Benjamin Smith, Jeffrey S. Dukes, Claus Beier, Mikhail Mishurov, Xiangtao Xu, Jeremy W. Lichstein, Craig D. Allen, Klaus S. Larsen, Yiqi Luo, Cari Ficken, William T. Pockman, William R. L. Anderegg, and Anja Rammig

Biogeosciences, 20, 2117–2142, https://doi.org/10.5194/bg-20-2117-2023,https://doi.org/10.5194/bg-20-2117-2023, 2023

Short summary

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.