[RFC]
Rubber Flux Chachoengsao
  • Site Description
  • Observation
  • Researchers
  • Note
  • Eddy Correlation Method

    System Open-path
    Wind speed Three-dimensional sonic anemometer-thermometer (Young 8100V)
    Air temperature Three-dimensional sonic anemometer-thermometer (Young 8100V)
    Water Vapor Open-path CO2/H2O analyzer (LI-7500, LI-COR)
    CO2 Open-path CO2/H2O analyzer (LI-7500, LI-COR)
    Measurement height 27 m
    Sampling frequency 10 Hz
    Averaging time 30 min
    Data logger PC
    Data storage PC
    Original data (Raw data or statistics) Raw data

    Meteorology

    Observation items Levels / Depth Instrument
    Global solar radiation (incoming) 26.5 m Huksflux pyranometer LP02
    Global solar radiation (outgoing) - -
    Long-wave radiation (incoming) - -
    Long-wave radiation (outgoing) - -
    Net radiation 26 m Non-ventilated NR-Lite radiometer
    PPFD (incoming) - Delta T BF3 (total, direct, diffuse)
    PPFD (outgoing) 26 m Quantum sensor Campbell SKP 215,
    Direct/diffuse radiation - -
    Direct/diffuse PPFD - Delta T BF3 (total, direct, diffuse)
    Air temperature - Campbell 10CRT, non-ventilated thermocouples (hand made)
    Humidity - Vaisala HMP35
    Soil temperature -0.2 to -1.0 m Thermocouple
    Soil heat flux - -
    Soil water content 0 to -1.2 m TDR Probes
    Wind speed 27 m RM Young 05103
    Wind direction 27 m RM Young 05103
    Barometric pressure - -
    Precipitation 26.5 m Campbell ARG 100
    CO2 concentration - Open path Li-Cor 7500

    Other

    Soil respiration Continuous (not operating yet)
    Photosynthesis Jarvis-Farquhar modeling under development, canopy modeling
    Ecological Investigation Tree height, diameter, root growth and turnover, phenology, LAI and canopy structure, litter dynamics, sap flow velocity, water potential in tree and soil, soil water content,