| Acronym | Meaning |
| LANDSAT | Land Remote Sensing Satellite |
| GCCM | Global Carbone Cycle Modeling |
| ASCOT | Atmospheric Studies In Complex Terrain |
| ICO | Initial Operating Capability |
| NAPP | National Aerial Photography Program |
| TGB | Trace Gas Biogeochemistry Section |
| PETS | Performance Evaluation And Test System |
| MHS | Message Handling System |
| MM5 | Fifth-generation Mesoscale Model |
| R-Z RELATIONSHIP | R = Precipitation Rate |