| Acronym | Meaning |
| IWGGCDM | International Working Group On Global Change And Data Management |
| BGS | Biogeosciences Initiative |
| SSM/T | Special Sensor Microwave Temperature |
| GAT | General Aviation Transponder |
| ESCAP | Economic Social Commission For Asia And The Pacific |
| GCRP | Global Change Research Program |
| OFAP | Observing Facilities Advisory Panel |
| GEU | Gyro Electronics Unit |
| SEM | Scanning Electron Microscope |
| N-SCAT | NASA Scatterometer |