Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)Ivan MammarellaÜllar RannikSamuli LauniainenPavel AlekseychikOlli PeltolaPetri KeronenPasi KolariHeikki LaaksoTeemu MatilainenTuro SalminenJanne LevulaToivo PohjaErkki SiivolaTimo Vesala2025-04-292019-09-05https://datakatalogi.helsinki.fi/handle/123456789/662This dataset contains time series of turbulent exchange of CO2, heat, momentum, O3 and particles measured at two heights at SMEAR II research station near Hyytiälä Forestry Field Station, Juupajoki, Finland, during years 1997–2018. The flux measurements were done with several measurement setups above the forest and at 3 m height below the canopy.221135685Openhttps://creativecommons.org/licenses/by-sa/4.0/net ecosystem exchangegross primary productivityevapotranspirationsensible heat fluxozone depositionaerosol depositionboreal forestScots pinePinus sylvestrisdataset