smearI measurements diagram small
Figure 1: Diagram of SMEAR I measurements setup (click diagram for a larger image)

 

Table. Instrumentation of the SMEAR I-station

  Parameter Device Measurement heigth
Weather dry temperature Rotronic MP100H 2, 4, 6.6, 9, 15 m
  wet temperature Rotronic MP100H 2, 4, 6.6, 9, 15 m
  wind speed Delta-TAN1 2, 4, 6.6, 9, 15 m
  wind speed Thies 2D 16 m
  wind direction Thies 2D 16 m
  PAR (photosynthetically active radiation) Li-Cor LI-190SB 16 m
  global radiation Middleton Solar SK08 16 m
  UVA Solar Light 501A UVA 16 m
  UVB Solar Light 501A SUV 16 m
  air pressure Druck DPI 260
visibility Biral VF500 visibility sensor 2 m
  precipitation Thies Laser Precipitation Monitor 2 m
  rainfall Delta-T RG1 1.5 m
  soil temperature Pt-100 0 m
Aerosols total concentration CPC TSI 3022 9 m
  size distribution DMA / CPC TSI 3025 2 m
  size distribution DMA / CPC TSI 3010 2 m
Trace gases ozone Thermo Electron corp. 49i 2, 6.6, 9, 15 m
  sulphur dioxide Thermo Electron corp. 43i-TLE 2, 6.6, 9, 15 m
  total oxides of nitrogen Thermo Electron corp. 42i-TL 2, 6.6, 9, 15 m
Scots pines photosynthesis chamber measuremets appr. 10 m
  CO2-exchange URAS 3G analysator appr. 10 m
  H2O URAS 3G analysator appr. 10 m
  PAR Li-Cor LI-190SB appr. 10 m
  temperature thermoelement Cu Ko appr. 10 m
  growth in thickness solartron sensors several heigths
  growth in length caliper appr. 10 m


smeari cabin