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definition | A large platform operating on the surface of the water column. Objective definitions for guidelines: >50m length (EU) >100 foot length (USA) >300 GRT weight (SOLAS). Subjective definition: a ship is a vessel big enough to carry a boat. |
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definition | An unmanned instrumented platform operating on the surface of the water column often attached to a drogue to track currents rather than winds (e.g. Argos buoy). |
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definition | A fixed man-made structure on land to which instrumentation may be attached (e.g. meteorological tower) | |
narrower |
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definition | A flighted bird that is able to exist on the water column surface and dive into the water column (e.g. cormorants auks ducks and gulls). |
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definition | An unmanned instrumented platform operating on the surface of the water column loosely tethered to the seafloor to maintain a fixed position (e.g. ODAS buoy) | |
narrower |
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definition | A fixed man-made structure permanently linked to land with access to water at all states of the tide to which instrumentation may be attached (e.g. pier) |
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definition | A mammal that exists both on land and within the water column. Includes seals sealions sea-otters and walruses. |
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definition | A living creature carrying instruments or collecting samples |
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definition | A collection of oceanographic instruments mounted at a fixed position on the seabed (e.g. POL Monitoring Platform seabed ADCP) |