[PRW]
Paddy rice flux plot _ Panjin Wetland Ecosystem Research Station
  • Site Description
  • Observation
  • Researchers
  • Note
  • Eddy Correlation Method

    System Open-path system (CO2 and latent heat fluxes)
    Wind speed CSAT3 3-D SONIC Anemometer
    Air temperature HMP45C, Vaisala, Helsinki, Finland
    Water Vapor CS 7500 (LI-COR LI 7500 open-path CO2/H2O Analyzer)
    CO2 CS 7500 (LI-COR LI 7500 open-path CO2/H2O Analyzer)
    Measurement height 3 m
    Sampling frequency 10 Hz
    Averaging time 30 min.
    Data logger CR5000
    Data storage 1 G PC CARD
    Original data (Raw data or statistics) 10 Hz Raw data

    Meteorology

    Observation items Levels / Depth Instrument
    Global solar radiation (incoming) 5 m CNR1, Kipp & Zonen. Corp., Delft, Holland
    Global solar radiation (outgoing) 5 m CNR1, Kipp & Zonen. Corp., Delft, Holland
    Long-wave radiation (incoming) 5 m CNR1, Kipp & Zonen. Corp., Delft, Holland
    Long-wave radiation (outgoing) 5 m CNR1, Kipp & Zonen. Corp., Delft, Holland
    Net radiation 5 m CNR1, Kipp & Zonen. Corp., Delft, Holland
    PPFD (incoming) 6.5 m LI-190SbCLI-COR Inc., Lincoln, NE, USA
    PPFD (outgoing) / /
    Direct/diffuse radiation / /
    Direct/diffuse PPFD / /
    Air temperature 4, 6.5 m HMP45C, Vaisala, Helsinki, Finland
    Humidity 4, 6.5 m HMP45C, Vaisala, Helsinki, Finland
    Soil temperature 5, 10, 15, 20, 40, 80 cm 107L, Campbell Scientific Inc., USA
    Soil heat flux 8 cm HFP01, Hukeflux Inc., Netherlands
    Soil water content 5 cm CS616, Campbell Scientific Inc., USA
    Wind speed 4, 6.5 m 014ACCampbell Scientific Inc., MS, USA
    Wind direction 6.5 m 034B, Campbell Scientific Inc., MS, USA
    Barometric pressure 3 m CS 7500 (LI-COR LI 7500 CO2/H2O Analyzer)
    Precipitation Above the canopy 52203, RM Young Inc., Traverse City, MI, USA
    CO2 concentration / /

    Other

    Soil respiration Chamber
    Photosynthesis LI-6400R Portable Photosynthesis System
    Ecological Investigation Biomass, Height, Leaf area index, Soil physical and chemistry properties, Soil microbial features