| Acronym | Meaning |
| EM | Evaluation Model |
| ISWS | Illinois State Water Survey |
| AWDAAS | Automatic Weather Data Acquisition And Archiving System |
| SUNY | The State University Of New York |
| AEDS | Atomic Energy Detection System |
| AGS | Alternating-gradient Synchrotron |
| DED | Data Element Directory |
| CB | Meteorological Symbol |
| IPOMS | International Polar-Orbiting Meteorological Satellite Group |
| VEMAP | Vegetation And Ecosystem Modeling And Analysis Project |