| Acronym | Meaning |
| DOC | Dissolved Organic Carbon |
| PSA | Problem Statement Analyzer |
| AMR | Advanced Microwave Radiometer |
| PRECIP | Processing Of Emissions By Clouds And Precipitation |
| NOMSS | National Operational Meteorological Satellite System |
| GTC | Gigatons Of Carbon |
| ASP | Advanced Study Program |
| EMEX | Equatorial Monsoon Experiment |
| APEX | APLE Prototype Experiment |
| ATLAS | Airborne Tunable Laser Absorption Spectrometer |