| 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 | 40.2m |
| 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) | 50.5m | Pyranometer (MS-801, EKO, Japan; CM-21, Kipp & Zonen, Netherlands) |
| Global solar radiation (outgoing) | 43.4m | Pyranometer (MS-42, EKO; CM-21, Kipp & Zonen) |
| Long-wave radiation (incoming) | 50.5m | Pyrgeometer (MS-201F, EKO; PIR, Epply, USA; CG4, Kipp & Zonen) |
| Long-wave radiation (outgoing) | 43.4m | Pyrgeometer (MS-201F, EKO; PIR, Epply) |
| Net radiation | - | - |
| PPFD (incoming) | - | - |
| PPFD (outgoing) | - | - |
| Direct/diffuse radiation | - | - |
| Direct/diffuse PPFD | - | - |
| Air temperature | (43.4 -> (?)) 47.8, 2m 43.7m 31.2, 21.4, 11.7, 1.5m |
Resistive platinum sensor (HMP35A, HMP45D, Vaisala, Finnland) Ventilated wet and dry bulb hygrometer (MH-020S, EKO) Sensor with dataloggers (H08-032-08, Onset, USA) |
| Humidity | 43.4, 2m 43.7m |
Capacitive hygrometer (HMP35A, HMP45D, Vaisala) Ventilated wet and dry bulb hygrometer (MH-020S, EKO) |
| Soil temperature | -0.02, -0.1, -0.3m | (CT-UU-A10-2A, Vaisala) |
| Soil heat flux | -0.01, -0.1m | (MF81, EKO) |
| Soil water content | -0.1, -0.19, -0.275, -0.38, -0.48 | TDR (CS615; Campbell, USA) |
| Water Potential | -0.1, -0.19, -0.275, -0.38, -0.48 | Tensiometer (DIK3021, DAIKI RIKA, Japan) |
| Wind speed | 50.3, 43.4, 39.7 -> 25, 34m | 3cup anemometer (AC750, MAKINO, Japan) |
| Wind direction | 50.1m | Wind vane (VR036, MAKINO) |
| Barometric pressure | 2m | (PTB101, Vaisla) |
| Precipitation | 1m | Tipping bucket (No.34-T; OHTA KEIKI, Japan) |
| CO2 concentration | 40, 31.2, 21.4, 11.7, 1.5m | Closed-path infrared gas analyzer (LI-800, LI-COR, USA) (Occasional measurement) |
| Soil respiration | Closed dynamic chamber method (LI6262, LI-COR) |
| Photosynthesis | Occasionally with LCA-4 (Analytical Development Company Ltd.) [Tanaka K. et al., 2003] |
| Ecological Investigation | Wood increment with dendro-band |