| Acronym | Meaning |
| PLDS | Pilot Land Data System |
| TCMRS | Tropical Climate Monitoring And Research Station |
| IHOP | International H2O Project |
| AWU | Associated Western Universities |
| LIDAR | Light Detection And Ranging Instrument |
| NS | Nanoseconds |
| INQUA | International Quaternary Research Association Or International Association On Quaternary Research |
| UTC | United Technology Center |
| ARL | Army Research Laboratory |
| CCAA | Canadian Clean Air Act |