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Both thermosalinographs keel 1 and keel 2 consist of SBE21, external thermometer SBE38, NMEA interface box and a pipe system with a flow meter (ABB Hygienic Master 300). The system is located in the box keel. The water inflow is in about 11 m depending on the ships draft. Several devices of type SBE21 and SBE38 exist. They are used in rotation and are calibrated regularly. Find below the devices which are currently installed. | ||
Subdevices
TSK1
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TSK2
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Position
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Data logging, storage and archiving
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TSK2
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Central geographical ship's position and time standard
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UTC time is supplied via NMEA telegram.
Geographical position is supplied via NMEA telegram. | ||
Rawdata storage on board
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| Data storage in DShip system.
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Dship
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Uncorrected measurement data. | ||
TSK1
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|| Device name | thermosalinometer keel ||
|| Parameters | conductivity keel S/m \[S/m\], salinity keel \[psu\], soundvelocity external \[m/s\], temperature keel \[°C\], temperature keel internal \[°C\], TSG_KEEL.SBE21.Sentence || |
TSK2
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|| Device name | TSK2 ||
|| Parameters | ConductivityHz \[Hz\], Conductivity Keel S/m \[S/m\], ConductivityKHz \[kHz\], Conductivity ms \[ms/cm\], density \[kg/m3\], FirstVoltage \[V\], salinity Keel 2 \[psu\], SBE \[Hz\], SecondVoltage \[Hz\], Sentence, soundvelocity external \[m/s\], sound velocity Keel \[m/s\], TemperatureHz \[Hz\], temperature Keel \[°C\], temperature Keel internal \[°C\], TSK2.SBE21.SBE21 || |
Data archiving on land
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| Shortly after the cruise the uncorrected thermosalinograph measurement data are available at the DShip onshore system https://dship.awi.de/. As soon as a post-cruise calibration was performed, the data are processed and uploaded in [PANGAEA|http://www.pangaea.de/search?l&q=polarstern+thermosalinograph].||||
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Documentation
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