cc-by-4.0Vainio, ElisaPeltola, OlliKasurinen, VilleKieloaho, Antti-JussiTuittila, Eeva-StiinaPihlatie, Mari2025-03-242020-12-212020-12-21https://hydatakatalogi-test-24.it.helsinki.fi/handle/123456789/9420This dataset provides measured and upscaled forest floor methane (CH4) fluxes and soil moisture. This dataset is related to the following manuscript: Vainio et al., Topography-based statistical modelling reveals high spatial variability and seasonal emission patches in forest floor methane flux, Biogeosciences, in review. (The discussion preprint is available at https://doi.org/10.5194/bg-2020-263.)Openmethaneupscalingrandom forestboreal forestdataset