| Abbreviation | Definition |
|---|---|
| LOA | Length OverAll |
| LOCS | Land-Ocean-Climate Satellite |
| LODYC | Laboratoire d'oceanographie dynamique et de climatologie |
| LOE | Life Of Earth |
| LOICZ | Land- Ocean Interactions in the Coastal Zone |
| LOIS | Land Ocean Interaction Study |
| LOPC | Laser-Optical Plankton Counter |
| LORAN | Long Range Navigation |
| LOREX | LOmonosov Ridge EXpedition |
| LOS | Law Of the Sea |
| LOSS | LAPS Observing System Simulation |
| L-RERP | Long-Range Effects Research Program |
| LROD | Long-Range Overwater Diffusion |
| LRW | Limited Resource Water |
| LSDM | Lagrangian stochastic dispersion model |
| LSG | Large-scale Geostrophic |
| LTA | Long Tentacle Anemone |
| LUCC | Land Use/Cover Change |
| LW | Low Water |
| LWD | Low-Water Data |