[MYM]
Mymensingh Flux Study Site
  • Site Description
  • Observation
  • Researchers
  • Note

    • Eddy Correlation Method

    System Open-path system
    Wind speed Three-dimensional sonic anemometer (HS, Gill Instruments, UK)
    Acoustic virtual temperature Three-dimensional sonic anemometer (HS, Gill Instruments, UK)
    Water Vapor Open-path infrared gas analyzers (LI-7500, LI-COR, Lincoln, NE, USA)
    CO2 Open-path infrared gas analyzers (LI-7500, LI-COR, Lincoln, NE, USA)
    Measurement height 2.95 m
    Sampling frequency 10 Hz
    Averaging time 30 min
    Data logger CR1000X (Campbell Scientific, Logan, UT, USA)
    Data storage Compact flash card (1 GB)
    Original data (Raw data or statistics) Raw data

    Meteorology

    Observation items Levels / Depth Instrument
    Global solar radiation (incoming) 3.0 m Pyranometer (MS-62, Eko, Tokyo, Japan),
    Four component net radiometer (MR-40, Eko, Tokyo, Japan)
    Global solar radiation (outgoing) 3.0 m Four component net radiometer (MR-40, Eko, Tokyo, Japan)
    Long-wave radiation (incoming) 3.0 m Four Component Radiometer (MR-40, Eko, Tokyo, Japan)
    Long-wave radiation (outgoing) 3.0 m Four Component Radiometer (MR-40, Eko, Tokyo, Japan)
    Net radiation 3.0 m Four Component Radiometer (MR-40, Eko, Tokyo, Japan)
    PPFD (incoming) 2.95 m Quantum sensor (LI-190, LI-COR, Lincoln, NE, USA)
    PPFD (outgoing) Below canopy Quantum sensor (LI-191, LI-COR, Lincoln, NE, USA)
    Transmitted PPFD 2.95 m Quantum sensor (LI-190, LI-COR, Lincoln, NE, USA)
    Direct/diffuse radiation - -
    Direct/diffuse PPFD - -
    Air temperature 1.65, 2.95 m Platinum resistance thermometer (HMP45A, Vaisala, Helsinki, Finland)
    Humidity 1.65, 2.95 m Humicap (HMP45A, Vaisala, Helsinki, Finland)
    Soil temperature 0, 0.05, 0.1, 0.2, 0.4 m (five points) Type-T thermocouple
    Soil heat flux 0.05 m (three points) Heat flux plate (MF-180M, Eko, Tokyo, Japan)
    Soil water content 0.05 m (three points), 0.1, 0.2, 0.3 m TDR (TDR100, Campbell Scientific, Logan, UT, USA)
    Field water level Two points Capacitive water depth probe (model 6521, Unidata, Australia)
    Water temperature 0.02, 0.05 m Type-T thermocouple
    Barometric pressure N/A Silicon capacitive pressure sensor (PTB210, Vaisala, Helsinki, Finland)
    Precipitation N/A Tipping bucket rain gauge (TR-525M-R2, Texas Electronics, Inc., USA)
    CO2 concentration - -

    Other

    Soil respiration -
    Photosynthesis -
    Ecological Investigation Plant heights, dry matter content, leaf area index (LAI)