| Acronym | Meaning |
| MOU | Memorandum Of Understanding |
| PBYTE | Petabyte (1015bytes) |
| GPP | Gross Primary Productivity |
| TECAMS | Technical Conference On Automated Meteorological Systems |
| ESI | Earth Systems Institute |
| OSCAR | Oxidant-Scavenging Characteristics Of April Rains |
| MMI | Man-made Interface |
| ESF | European Science Foundation |
| M&O | Maintenance And Operations |
| UAO | Upper Atmosphere Observatory |