| Acronym | Meaning |
| DLESE | Digital Library For Earth System Education |
| MAPS | Measurement Of Air Pollution From Satellites |
| PPP | Parallelizing PreProcessor |
| EOL | Earth Observing Laboratory (formerly ATD) |
| ADI | Alternating Direction Implicit |
| CCC | Canadian Climate Centre |
| GTS | Global Telecommunication System |
| FATS | South African Air Force Tactical Support Command |
| DQA | Data Quality Assessment |
| USC-GARP | United States Committee For GARP |