| Acronym | Meaning |
| GCTE | Global Change And Terrestrial Ecosystems |
| GFDL | Geophysical Fluid Dynamics Laboratory |
| LRIR | Limb Radiance Inversion (or Infrared) Radiometer |
| IDL | Interface Definition Language |
| CASI | Canadian Aerospace Institute |
| TIROS | Television And Infrared Operational Satellite |
| NMC | National Meteorological Center |
| NSDA | National Space Development Agency |
| POLEX | Polar Experiment |
| ARAR | Applicable Or Relevant And Appropriate |