Eddy covariance and supplemental measurements taken at the 42 m tower located in old growth forest on ultisol.
| Measurement | Sensor | Recording | Height above ground (m) | Frequency |
| CO2, H20, sensible H, momentum | ATI 3D sonic, LI-6262 | laptop PC | 42 m | 10 Hz |
| CO2, H20 | LI-6262, automanifold | Campbell 21X | 0.5, 7,11,16,21,27 m | 30 min |
| Temperature | PRT | Campbell 21X | 0.5, 7,11,16,21,27 m | 30 min |
| Wind speed | RM Young wind sentry | Campbell 21X | 23, 25, 29, 33 m | 1 s |
| leaf wetness | CS 237-L | Campbell 21X | 7, 16, 27 m | 1 s |
| Net radiation | Kipp &Zonen, REBS | Campbell 21X | 42 m | 1 s |
| Solar radiation | LI-COR pyranometer | Campbell 21X | 42 m | 1 s |
| Temperature | Vaisala thermister | Campbell 21X | 42 m | 1 s |
| Aspirated temperature | PRT | Campbell 21X | 42 m | 1 s |
| Relative humidity | Vaisala Humicap | Campbell 21X | 42 m | 1 s |
| Wind speed and direction | RM Young wind monitor | Campbell 21X | 42 m | 1 s |
| Rainfall | Texas Electronics tip | Campbell 21X | 42 m | 30 min |
| Barometric Pressure | Vaisala | Campbell 21X | 2 m | 1 s |
| Soil moisture | Campbell CS615 x 3 | Campbell 21X | 0 to -0.3 m | 30 min |
| Soil heat flux | REBS x 3 | Campbell 21X | -0.025 m | 1 s |
| Tree bole temperature | Type 1 thermocouple X 3 | Campbell 21X | 1.7 m | 1 s |
| Liana bole temp | Type 1 thermocouple | Campbell 21X | 1.7 m | 1 s |
| Soil temperature | Type 1 thermocouple X 3 | Campbell 21X | -0.025 m | 1 s |
| Throughfall | Custom collector x 60 | manual | 0.5 m | campaign |