| Acronym | Meaning |
| ENSO | El Ni-o-Southern Oscillation |
| UGGI | See IUGG |
| SDSC | San Diego Supercomputing Center |
| HCN | Historical Climatology Network |
| FIRS | Fourier Transform Infrared Sounder |
| ANTA | 5-amino-3-nitro-1H-1 |
| SDBE | Shear-Directed Balloon Experiment |
| AMPS | Antarctica Mesoscale Prediction System |
| SOLSTICE | Solar/Stellar Intercomparison Experiment |
| NAE | National Academy Of Engineering |