| System | Open-path |
| Wind speed | Three-dimensional sonic anemometer-thermometer (USA-1, METEK, Germany) |
| Air temperature | Three-dimensional sonic anemometer-thermometer (USA-1, METEK) |
| Water Vapor | Open-path infrared gas analyzer (LI7500, LI-COR) |
| CO2 | Open-path infrared gas analyzer (LI7500, LI-COR) |
| Measurement height | 28.7m |
| Sampling frequency | 10Hz |
| Averaging time | 30min (tentative) |
| Data logger | CR5000, Campbell |
| Data storage | Compact flash |
| Original data (Raw data or statistics) | Raw data |
| Observation items | Levels / Depth | Instrument |
| Global solar radiation (incoming) | 22.3 -> 41.4m 0.5m |
Pyranometer (LI200X, LI-COR, USA -> CM-21, Kipp & Zonen, Netherlands) Pyranometer (MS801, EKO, Japan -> CM-21, Kipp & Zonen) |
| Global solar radiation (outgoing) | 22.3 -> 36.6m | Pyranometer (LI200X, LI-COR -> CM-21, Kipp & Zonen) |
| Long-wave radiation (incoming) | 41.4m | Pyrgeometer (PIR, Epply, USA -> CG4, Kipp & Zonen) |
| Long-wave radiation (outgoing) | 36.6m | Pyrgeometer (PIR, Epply) |
| Net radiation | - | - |
| PPFD (incoming) | 22.3 -> 41.4m 0.5m |
Quantum sensor (PAR-02, Prede, Japan -> LI190-SA, LI-COR) Quantum sensor (PAR-02, Prede -> LI190-SA, LI-COR -> IKS-27, KOITO, Japan) |
| PPFD (outgoing) | 22.3 -> 36.6m | Quantum sensor (PAR-02, Prede -> LI190-SA, LI-COR) |
| Direct/diffuse radiation | - | - |
| Direct/diffuse PPFD | - | - |
| Air temperature | 26.2 -> 39.3m |
Resistive platinum sensor (HMP45D -> HMP45A, Vaisala, Finnland) Ventilated wet and dry bulb hygrometer (MH-020S, EKO, Japan) Sensor with dataloggers (H08-032-08, Onset, USA) |
| Humidity | 26.2 -> 39.3m |
Capacitive hygrometer (HMP45D -> HMP45A, Vaisala) Ventilated wet and dry bulb hygrometer (MH-020S, EKO)) |
| Soil temperature | -0.1, -0.2, -0.4, -0.6m |
Thermo couple (copper-constantan), PT100Ħ |
| Soil heat flux | -0.01, -0.1m | (MF801, EKO) |
| Soil water content | -0.1, -0.2, -0.4, -0.6m -0.1, -0.2, -0.4, |
TDR (CS615; Campbell, USA) Tensiometer (DIK3021, DAIKI RIKA, Japan) |
| Wind speed | 22.6 -> 39.3m, 31.9, 26.6, m | 3cup anemometer (AC750, MAKINO, Japan) |
| Wind direction | 39.3m | Wind vane (VR036, MAKINO) |
| Barometric pressure | 37.3m | (CS105, Campbell) |
| Precipitation | 1m | Tipping bucket (No.34-T; OHTA KEIKI, Japan) |
| CO2 concentration | 28.0, 20.0, 14.0, 8.0, 2.0m | Closed-path infrared gas analyzer (LI-820, LI-COR, USA) (Occasional measurement) |
| Soil respiration | Closed dynamic chamber method (LI6262, LI-COR) |
| Photosynthesis | N/A |
| Ecological Investigation | Tree density, Tree height, DBH increment by dendro-band, Litter |