SMEAR I Värriö tree gas exchange

1999-01-01 → 2020-12-31 varrio-subarctic-research-station University of Helsinki https://spdx.org/licenses/CC-BY-SA-4.0

This dataset contains continuous measurements of tree gas exchange with chambers at SMEAR I research station in Värriö, Salla, Finland, during years 1999–2020.

The data were exported from SMEAR database on the dataset release date. Most recent version of the data are available at https://smear.avaa.csc.fi/.

Data and Resources

Additional Info

Field Value
Source https://doi.org/doi:10.23729/8f671518-d72a-462f-88ea-f828e8f8e8d7
Version 1.0
Temporal coverage 1999-01-01 → 2020-12-31
Spatial coverage 67.7549°N, 29.6099°E
Station varrio-subarctic-research-station
Variable measured
  • Pine shoot CO2 exchange (µg m⁻² s⁻¹)
  • Pine shoot transpiration (mg m⁻² s⁻¹)
  • Photosynthetically active radiation (µmol m⁻² s⁻¹)
  • Air temperature (°C)
  • Carbon dioxide concentration (ppm)
  • Water vapour concentration (g m⁻³)
Date published 2022-04-22
Publisher University of Helsinki