Meteorological responses of carbon dioxide and methane fluxes in the terrestrial and aquatic ecosystems of a subarctic landscape

Heiskanen, Lauri; Tuovinen, Juha-Pekka; Vekuri, Henriikka; Räsänen, Aleksi; Virtanen, Tarmo; Juutinen, Sari; Lohila, Annalea; Mikola, Juha; Aurela, Mika

doi:https://doi.org/10.5194/bg-20-545-2023

Articles | Volume 20, issue 3

https://doi.org/10.5194/bg-20-545-2023

© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/bg-20-545-2023

© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 20, issue 3

Research article

|

03 Feb 2023

Research article |

| 03 Feb 2023

Meteorological responses of carbon dioxide and methane fluxes in the terrestrial and aquatic ecosystems of a subarctic landscape

Lauri Heiskanen, Juha-Pekka Tuovinen, Henriikka Vekuri, Aleksi Räsänen, Tarmo Virtanen, Sari Juutinen, Annalea Lohila, Juha Mikola, and Mika Aurela

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https://doi.org/10.5194/bg-20-545-2023-supplement

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Meteorological responses of carbon dioxide and methane fluxes in the terrestrial and aquatic ecosystems of a subarctic landscape L. Heiskanen, J.-P. Tuovinen, H. Vekuri, A. Räsänen, T. Virtanen, S. Juutinen, A. Lohila, J. Mikola, and M. Aurela https://doi.org/10.5281/zenodo.7437333

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Short summary

We measured and modelled the CO₂ and CH₄ fluxes of the terrestrial and aquatic ecosystems of the subarctic landscape for 2 years. The landscape was an annual CO₂ sink and a CH₄ source. The forest had the largest contribution to the landscape-level CO₂ sink and the peatland to the CH₄ emissions. The lakes released 24 % of the annual net C uptake of the landscape back to the atmosphere. The C fluxes were affected most by the rainy peak growing season of 2017 and the drought event in July 2018.