| Abbreviation | Definition |
|---|---|
| PV | Potential Vorticity |
| PWH | Prototype Wave Height |
| PWP | Pacific Warm Pool |
| PZ | Puesto Zuniga |
| QBA | Quantitative Basin Analysis |
| QBO | Quasi- Biennial Oscillation |
| QBO | Quasi-Biennial Oscillation |
| QDP | Quantitative Depth Profiling |
| QLM | Quasi- Lagrangian model |
| QLM | Quasi-Lagrangian model |
| QSPR | Quantitative Structure Property Relationships |
| QUEST | Quantitative Underwater Ecological Surveying Techniques |
| QUEST | Quick Underwater Erasable Slate Technology |
| QWP | Quality of Water for Pharmaceutical Use |
| R/V | Research Vessel |
| RADARSAT | Radar Satellite |
| RADM | Regional Acid Deposition Model |
| RADS | Radar and Algorithm Display Model |
| RADS | Radar and Algorithm Display System |
| RADS | Real-time Analysis and Display System |