FMI

    Country Finland
    Stations 27
    Organisation Finnish Meteorological Institute
    Contacts Kimmo Rautiainen
    Website http://fmiarc.fmi.fi/
    Official References

    Ikonen, J., Smolander, T., Rautiainen, K., Cohen, J., Lemmetyinen, J., Salminen, M. & Pulliainen, J. (2018), ‘Spatially distributed evaluation of esa cci soil moisture products in a northern boreal forest environment’, Geosciences 8(2), 51., https://doi.org/10.3390/geosciences8020051;

    Ikonen, J., Vehviläinen, J., Rautiainen, K., Smolander, T., Lemmetyinen, J., Bircher, S. & Pulliainen, J. (2015), ‘The sodankylä in-situ soil moisture observation network: an example application to earth observation data product evaluation’, GID 5(2), 599–629., https://doi.org/10.5194/gi-5-95-2016;

    Abstract
    The finnish network "FMI" includes one station that contains multiple soil moisture measurements in 2cm and 10cm depth, taken only a few meters next to each other. Additionaly air temperature is measured in 2m height and soil temperature in 2cm depth. The datasets start at 2007-01-25 and are updated once a day. The FMI is the first network that has been implemented with data updates in Near Real Time.
    Variables measured air temperature
    soil moisture
    soil temperature
    Depths of soil moisture measurements 0.02 - 0.02 m
    0.05 - 0.05 m
    0.10 - 0.10 m
    0.20 - 0.20 m
    0.40 - 0.40 m
    0.60 - 0.60 m
    0.80 - 0.80 m
    Soil Moisture sensors used ThetaProbe ML2X
    5TE
    CS655
    Data availability from 2007-01-25 to 2025-06-07

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