Halssiaapa EC mast. Photo: Tuomas Laurila

Coordinates: N67°22.117' E26°39.244' Altitude (m.a.s.l): 180 Ecosystem type: Fen Networks: CryoNet station of GCW Station web-page: Sodankylä Arctic Research Centre


  • CO₂-flux (EC at 6.5 m since 06/2012)

  • CH₄-flux (EC at 6.5 m since 06/2012)

  • Supporting environmental data: Air temperature + humidity, soil temperature, soil heat flux, soil moisture, water level height, PPFD, global radiation, albedo, net radiation


Climate data point: FMISID: 101932, WMO: 02836 Climate normal period: 1991-2020 Average temperature (°C): 0.3 Annual precipitation (mm): 543 Average snow depth at mid-March (cm): 75 Median period of snow cover: Sep 26 – May 14


Vegetation type: Sedges, Sphagnum mosses, shrubs Mean vegetation height (m): 0.4 Max projected LAI: Soil type: Peat Stand volume (m³ ha⁻¹): - Tree density (ha⁻¹): - Tree age (years): -