CELTIC: Tower 6
Tower 6: Gas Measurements

| Element | Instrument | POC |
|---|---|---|
| Wind Variance | Windmaster Sonic | Nemitz |
| Ultrafine Particle Number Flux (>3nm) | CPC 3025 | Nemitz |
| Particle Number Flux (>7nm) | CPC 3022 | Nemitz |
| Particle Number &Composition Flux | AMS | Jimenez |
| Ammonia Flux | CIMS | Nemitz |
| Particle Number (>10nm) | CPC 3010 | Nemitz/Bruintjes |
| Particle Size Distribution (0.1-3um) | PCASP | Nemitz/Bruintjes |
| Cloud Condensation Nuclei | CCN | Stroud/Bruintjes |
| Particle Size Distribution | SMPS | Stroud/Toohey |
| Particle Structure | Filters/SEP | Bruintjes |
| Particle Composition BC/OC, Inorganics | Denuders/Filters/MS | Walker |
| Particle CompositionOrganic Groups | Filters/FTIR | Vizuete |
| Particle Size and Composition Profile | AMS | Toohey |
| O3, NOx, H2O, CO2 | Li-Cor 7000 | Toohey |
| Particle Number Flux | CPC | Baker |
| Photosythetic Active Radiation | PAR | Stroud |
| Meteorology | H2O, Temperature | Katul |
| Leaf VOC Exchange | Herrick/Rasmussen |