| Acronym | Meaning |
| IOC | Initial Operating Capability |
| NDVI | Greeness Index From Satellites |
| RADM | Regional Acid Deposition Model |
| WX | Weather |
| NNSC | NSF Net Service Center |
| UT | Universal Time |
| DAI | Data Assimilation Initiative |
| POLEX | Polar Experiment |
| MECCA | Mesoscale Experiment Center For Control And Analysis |
| PAR | Photosynthetically Active Radiation |