| System | Open path eddy covariance system |
| Wind speed | three axis sonic anemometer |
| Air temperature | three axis sonic anemometer |
| Water Vapor | open path infrared gas analyzer |
| CO2 | open path infrared gas analyzer |
| Measurement height | 4.8m |
| Sampling frequency | 10Hz |
| Averaging time | 30min |
| Data logger | CR5000 |
| Data storage | CF card |
| Original data (Raw data or statistics) | Binary data files, Excel worksheets |
| Observation items | Levels / Depth | Instrument |
| Global solar radiation (incoming) | 4.7m | CNR1, Kipp and Zonen, Delft, Holland |
| Global solar radiation (outgoing) | 4.7m | CNR1, Kipp and Zonen, Delft, Holland |
| Long-wave radiation (incoming) | 4.7m | CNR1, Kipp and Zonen, Delft, Holland |
| Long-wave radiation (outgoing) | 4.7m | CNR1, Kipp and Zonen, Delft, Holland |
| Net radiation | - | - |
| PPFD (incoming) | 4.7m | Li190SB,Li-Cor Inc., Lincoln, NE, USA |
| PPFD (outgoing) | - | - |
| Direct/diffuse radiation | - | - |
| Direct/diffuse PPFD | - | - |
| Air temperature | 1.6m, 2.8m, 4.7m | HMP-45C, Vaisala, Helsinki, Finland |
| Humidity | 1.6m, 2.8m, 4.7m | HMP-45C, Vaisala, Helsinki, Finland |
| Soil temperature | 5cm before march 2006; 1cm, 5cm, 10cm after march 2006 | Model 107, Campbell Scientific Inc., Logan, UT, USA |
| Soil heat flux | 5cm before march 2006 ; 1cm, 5cm, 10cm after march 2006 | HFT-3, Campbell Scientific Inc., Logan, UT, USA |
| Soil water content | - | - |
| Wind speed | 4.8m | CSAT-3, Campbell Scientific Inc., Logan, UT, USA |
| Wind direction | 4.8m | CSAT-3, Campbell Scientific Inc., Logan, UT, USA |
| Barometric pressure | - | - |
| Precipitation | 4.5m | TE525, Texas Electronics, Texas, USA |
| CO2 concentration | 4.8m | Li 7500, Li-Cor Inc., Lincoln, NE, USA |
| Soil respiration | Li6400, Li-Cor Inc., Lincoln, NE, USA |
| Photosynthesis | Li8100, Li-Cor Inc., Lincoln, NE, USA |
| Ecological Investigation | Li2000, Li-Cor Inc., Lincoln, NE, USA |