| Abbreviation | Definition |
|---|---|
| BAPMON | Background Air Pollution Monitoring Network |
| BAS | British Antarctic Survey |
| BASIP | Bureau Atlantic Scientific Intervention Programme |
| BATS | Bermuda Atlantic Time-series Study |
| BBBJ | Bonaire Banded Box Jellyfish |
| BBC | Big Bubble Curtain |
| BC | Boundary Current |
| BCD | Buoyancy Compensating Device |
| BCG | Brightness Contrast And Gamma |
| BD | Bounded Depth |
| BEACON | Bermuda Ocean Acidification and Coral Reef Investigation |
| BEMEX | Bering Sea Experiment |
| BEMPEX | Barotropic Electromagnetic and Pressure Experiment |
| BFAR | Bureau of Fisheries and Aquatic Resources |
| BGI | International Gravimetric Bureau |
| BIAC | Business and Industry Advisory Committee |
| BIO | Bedford Institute of Oceanography |
| BIOMASS | Biological Investigations of Marine Antarctic Systems and Stocks |
| BIOS | Bermuda Institute of Ocean Sciences |
| BIP | Biotechnology In Public |