marine life; marine organism
deep ocean water; deep-sea water
marine pollution; oceanic pollution; sea pollution
marine; maritime; oceanic; oceanity
marine meteorological observatory
law of the sea; maritime law
oceanographic observation
ocean thermal energy conversion
ocean surveillance satellite
maritime patrol aircraft; MPA
ocean floor; sea floor; seabed
Oceanic Anoxic Event; Ocean Anoxic Event; OAE
international order of the seas; public order at sea
chemical oceanography; marine chemistry
marine archaeology; underwater archaeology