| Acronym | Meaning |
| DCLS | Data Collection Location System |
| RDSS | Research Data Support System |
| ALE/GAGE | Atmospheric Lifetime Experiment/Global Atmospheric Gases Experiment |
| SPC | Small Particle Count (or Counter) |
| HMMR | High Resolution Multifrequency Microwave Radiometer |
| URL | Universal Resource Locter |
| BBC | British Broadcasting Corporation |
| IEIS | Integrated Earth Information Server |
| EMCOM | Environmental Management Career Opportunities For Minorities |
| MSE | Mean Square Error |