| Acronym | Meaning |
| EPOP | European Polar Orbiting Platform |
| LES | Large-eddy Simulation |
| CALTECH | California Institute Of Technology |
| NCMRWF | India's National Centre For Medium Range Weather Forecasting |
| SMILE | Surface Layer Mixed Experiment |
| EI | Electron Ionization |
| WEFAX | Weather Facsimile |
| BLM | Bureau Of Land Management |
| EPAA | Environmental Programs Assistance Act |
| OPP | Office Of Polar Programs |