| Acronym | Meaning |
| PD | Positive Definite |
| PIPOR | Programme Of International Polar Oceans Research |
| TEXMEX | Tropical Experiment Over Mexico |
| MJO | Madden-Julian Oscillation |
| A&C | Abatement & Control |
| RISE | Radiative Inputs From Sun To Earth |
| CCM2 | Community Climate Model Version 2 |
| ESA | Endangered Species Act |
| ASTEX | Atlantic Stratocumulus Transition Experiment |
| SAO | Surface Airways Observation |