| Abbreviation | Definition |
|---|---|
| BRUV | Baited Remote Underwater Video |
| BSC | Baltic Sea Catchment |
| BSC | Bering Slope Current |
| BSF | Bureau of Commercial Fisheries |
| BSFOCI | Bering Sea FOCI |
| BSO | Barents Sea Opening |
| BSRN | Baseline Surface Radiation Network |
| BT | Bathythermograph |
| BT | Bluefin Tuna |
| BUEX | La Sociedad Espa??ola de Buceo T??cnico y de Exploraci??n |
| BUEX | La Sociedad Española de Buceo Técnico y de Exploración |
| BUFR | Binary Universal Form for Representation |
| BUMP | Boston University Marine Program |
| C | Can (buoy) |
| C | Cod |
| C | Current |
| C&GC | Climate and Global Change Program |
| C&GS | Office of Charting and Geodetic Services |
| CAA | Civil Aviation Authority |
| CAC | Climate Analysis Center |