Articles | Volume 18, issue 11
https://doi.org/10.5194/bg-18-3467-2021
https://doi.org/10.5194/bg-18-3467-2021
Research article
 | 
10 Jun 2021
Research article |  | 10 Jun 2021

Carbon dioxide fluxes and carbon balance of an agricultural grassland in southern Finland

Laura Heimsch, Annalea Lohila, Juha-Pekka Tuovinen, Henriikka Vekuri, Jussi Heinonsalo, Olli Nevalainen, Mika Korkiakoski, Jari Liski, Tuomas Laurila, and Liisa Kulmala

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Cited articles

Abraha, M., Gelfand, I., Hamilton, S. K., Shao, C., Su, Y.-J., Robertson, G. P., and Chen, J.: Ecosystem water-use efficiency of annual corn and perennial grasslands: contributions from land-use history and species composition, Ecosystems, 19, 1001–1012, https://doi.org/10.1007/s10021-016-9981-2, 2016. a
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Aurela, M., Laurila, T., and Tuovinen, J.-P.: Annual CO2 balance of a subarctic fen in northern Europe: importance of the wintertime efflux, J. Geophys. Res.-Atmos., 107, 4607, https://doi.org/10.1029/2002JD002055, 2002. a
Baldocchi, D., Chu, H., and Reichstein, M.: Inter-annual variability of net and gross ecosystem carbon fluxes: A review, Agr. Forest Meteorol., 249, 520–533, https://doi.org/10.1016/j.agrformet.2017.05.015, 2018. a
Baldocchi, D. D.: Assessing the eddy covariance technique for evaluating carbon dioxide exchange rates of ecosystems: past, present and future, Global Change Biol., 9, 479–492, https://doi.org/10.1046/j.1365-2486.2003.00629.x, 2003. a
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CO2 and H2O fluxes were measured at a newly established eddy covariance site in southern Finland for 2 years from 2018 to 2020. This agricultural grassland site focuses on the conversion from intensive towards more sustainable agricultural management. The first summer experienced prolonged dry periods, and notably larger fluxes were observed in the second summer. The field acted as a net carbon sink during both study years.
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