| System | Open-path system(CO2 flux, latent heat flux) |
| Wind speed | Three-dimensional sonic anemometer-thermometer(R3,GILL) |
| Air temperature | Three-dimensional sonic anemometer-thermometer(R3,GILL) |
| Water Vapor | Open-path CO2/H2O analyzer(LI-7500,LI-COR) |
| CO2 | Open-path CO2/H2O analyzer(LI-7500,LI-COR) |
| Measurement height | 6m |
| Sampling frequency | 10Hz |
| Averaging time | 30min |
| Data logger | CR1000 |
| Data storage | CF |
| Original data (Raw data or statistics) | Raw data |
| Observation items | Levels / Depth | Instrument |
| Global solar radiation (incoming) | 6m | Radiometer(MR40,Eko,Japan) |
| Global solar radiation (outgoing) | 6m | Radiometer(MR40,Eko,Japan) |
| Long-wave radiation (incoming) | 6m | Radiometer(MR40,Eko,Japan) |
| Long-wave radiation (outgoing) | 6m | Radiometer(MR40,Eko,Japan) |
| Net radiation | 6m | Radiometer(MR40,Eko,Japan) |
| PPFD (incoming) | 6m | Quantum sensor(LI-190S,LI-cor) |
| PPFD (outgoing) | - | - |
| Direct/diffuse radiation | - | - |
| Direct/diffuse PPFD | - | - |
| Air temperature | 7.0,3.5m | Platinum resistance thermometer and capacitive hygrometer(HMP45A,Vaisala) |
| Humidity | 7.0,3.5m | Platinum resistance thermometer and capacitive hygrometer(HMP45A,Vaisala) |
| Soil temperature | 0.05,0.1,0.3,0.5,0.7,1.0m | thermocouple |
| Soil heat flux | 0.05m | Soil Heat Flux Plate(HFT3,Campbell) |
| Soil water content | 0.05,0.1,0.3,0.5,0.7,1.0m | Water Content Reflectometer(CS615,Campbell) |
| Wind speed | 8.0,7.0,5.0,3.5,1.0m | Cup anemometer(AF750,Makino) |
| Wind direction | 8.0ｍ | Wind vane(VF016,Makino) |
| Barometric pressure | - | - |
| Precipitation | 0ｍ | N/A |
| CO2 concentration | - | - |
| Soil respiration | occasionally |
| Photosynthesis | occasionally |
| Ecological Investigation | LAI |