| Acronym | Meaning |
| IRMS | Isotope Ratio Mass Spectrometer |
| IGAC | International Global Atmospheric Chemistry |
| SCAMS | Scanning Microwave Spectrometer |
| AL/OIEA | AL Office Of Intergovernmental And External Affairs |
| WG/MDM | Working Group For Meteorological Data Management |
| AGU | American Geophysical Union |
| DADS | Data Archive And Distribution System |
| NSC | Network Systems Corporation |
| ESIP | Earth System Information Partners Federation |
| CDR | Critical Design Review |