| System | Open- (CO2 flux, latent heat flux) and closed-path system (CO2 flux, latent heat flux) |
| Wind speed | 3D sonic anemometer(CSAT3, Campbell Sci., Inc., USA) |
| Air temperature | 3D sonic anemometer(CSAT3, Campbell Sci., Inc., USA) |
| Water Vapor | Open path(LI7500, Li-Cor, USA), Closed path(LI6262, Li-Cor, USA) |
| CO2 | Open path(LI7500, Li-Cor, USA), Closed path(LI6262, Li-Cor, USA) |
| Measurement height | 20.8m, 40.7m |
| Sampling frequency | 10Hz |
| Averaging time | 30min |
| Data logger | CR5000, Campbell Sci., Inc., USA |
| Data storage | HD |
| Original data (Raw data or statistics) | Raw |
| Observation items | Levels / Depth | Instrument |
| Global solar radiation (incoming) | 40.7m | Net radiometer(CNR1, Kipp & Zonen, Netherlands) |
| Global solar radiation (outgoing) | 40.7m | Net radiometer(CNR1, Kipp & Zonen, Netherlands) |
| Long-wave radiation (incoming) | 40.7m | Net radiometer(CNR1, Kipp & Zonen, Netherlands) |
| Long-wave radiation (outgoing) | 40.7m | Net radiometer(CNR1, Kipp & Zonen, Netherlands) |
| Net radiation | 40.7m | Net radiometer(CNR1, Kipp & Zonen, Netherlands) |
| PPFD (incoming) | 20m | LI190SB |
| PPFD (outgoing) | - | - |
| Direct/diffuse radiation | - | - |
| Direct/diffuse PPFD | - | - |
| Air temperature | 39,30,18,9,6,0,1m 40, 30,18,12,8,4,1,0.1m |
Temperature and RH probe(HMP45, Vaisala, Finland) LI6262 & Thermocouple temperature sensor |
| Humidity | 39,30,18,9,6,0,1m | Temperature and RH probe(HMP45, Vaisala, Finland) |
| Soil temperature | 0.1m | Soil thermocouple probe(TCAV, Campbell Sci., Inc., USA) |
| Soil heat flux | 0.01m, 0.1m | Heat Flux plate (HFP-3, Campbell Sci., Inc., USA) |
| Soil water content | 0m-0.1m, 0-0.3m, 0.3-0.6m | Water content reflectometer(CS-615, Campbell Sci. Inc., USA) |
| Wind speed | 40m, 20m for CSAT3 / 30,18,9,6m for Cup anemometer |
3D sonic anemometer(CSAT3, Campbell Sci., Inc., USA) cup anemometer(034A, RMYoung, USA) |
| Wind direction | 40m / 20m | 3D sonic anemometer(CSAT3, Campbell Sci., Inc., USA) |
| Barometric pressure | 40m / 20m | Open path(LI-7500, Li-Cor, USA) |
| Precipitation | 20m/surface | Tipping Bucket(WDSA-205, Wedaen, Korea) |
| CO2 concentration | 40, 30, 18, 12, 8, 4, 1, 0.1m | LI6262 & Thermocouple temperature sensor |
| H2O concentration | 40, 30, 18, 12, 8, 4, 1, 0.1m | LI6262 & Thermocouple temperature sensor |
| Soil respiration | Continuous(to present), Automated chamber system (Li820), Portable chamber (Li6400) |
| Photosynthesis | Sap flow measurement, portable chamber (Li6400) |
| Ecological Investigation | LAI (2001 to present), tree ring growth rate, litter fall |