| Acronym | Meaning |
| TTO | Transient Tracers In The Ocean |
| ARWG | Atmospheric Radiation Working Group |
| OMTF | Optical Modulation Transfer Function |
| GLRS | Geodynamics (or Geoscience) Laser Ranging System |
| TAP | Diffusion Transport Models |
| NOAA | National Oceanic And Atmospheric Administration |
| NCDS | NASA Climate Data System |
| DAT | Digital Audio Tape |
| AMS | Analysis Mass Spectrometer |
| IAG | Interagency Agreement |