CTD Rosette
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| dc publisher | eMarine Information Infrastructure (eMII) | ||||||
| dc source | Australian Ocean Data Network instrument register | ||||||
| definition | A package lowered and raised vertically from a surface platform usually a ship. A CTD measures Conductivity, Temperature and Depth. Despite the name, all CTDs actually measure pressure. The CTD is attached to a frame fitted with a number of large water-collecting bottles called Niskins, the instrument together with the bottles is called the CTD rosette. The Niskin bottles are designed so that they have lids at both ends. They are sent down open, and triggered to close electronically at the depth that water needs to be collected. Additional optional sensors include ADCP, fluorometers, transmissometers and radiometers. | ||||||
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| contributor | eMII_Atkins.Natalia_Admin original | ||||||
| creator | Sebastien-Mancini original | ||||||
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