| Acronym | Meaning |
| LTER | Long Term Ecological Research |
| UCSB | University Of California At Santa Barbara |
| UIC | Unit Identification Code |
| GPP | Gross Primary Productivity |
| AFA | American Forestry Association |
| R-Z RELATIONSHIP | R = Precipitation Rate |
| ACFM | Actual Cubic Feet Per Minute |
| PRMS | Precipitation Runoff Modeling System |
| EISCAT | European Incoherent Scatter Radar System |
| OCTA | Oxidizing Capacity Of The Troposphere Atmosphere |