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| The ferrybox system consits of different installed sensors, a pump control system and data aquisition and storage unit.
Installed sensors: pH (Glas Elektrode EGA 140-X-E, Meinsberger MV3010pH Messverstärker), O2 (Oxygen Optode 3835, Aanderaa), Phycocyanin (Cyclops (1) P, Turner), CDOM (CDOM Cyclops (2) U , Turner), salinometer (FSI), chlorophyll a and turbidity (Scufa, Turner)
Control system: flow-through sensor (Flow Main, Flow Out), pressure sensor, motor ball valves intake and outlet (Coster), magnet valve fresh water normal and fresh water pressure flushing, acid pumps (ProMinent) for 1. H2SO4 and 2.oxalic acid, centrifugal pump (main pump)||||
Position
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Data logging, storage and archiving
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| Time synchronising of the computers is regulated via DShip.
The geographical ship's position via DShip.||||
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. | ||
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|| Device name | FerryBox ||
|| Parameters | CDOM \[ppb\]; conductivity \[mS/cm\]; NO2 \[µmol/l\]; sampling_time_NO2; PO4 \[µmol/l\]; NO3 \[µmol/l\]; sampling time NO3; sampling time SIO2; SIO2 \[µmol/l\]; flow \[l/min\]; fluorescence chlorophyll A raw \[µg/l\]; fluorescence chlorophyll A TR \[µg/l\]; fluorometer temperature \[°C\]; oxygen corrected \[µmol/l\]; pH; pH temperature \[°C\]; phycocyanin \[cells/m\]; pressure \[mbar\]; quality flag; salinity \[PSU\]; salinity temperature \[°C\]; sampling time PO4; sound velocity \[m/s\]; turbidity \[NTU\] || |
Data archiving on land
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| After the cruise the DShip uncorrected data set can be extracted from https://dship.awi.de/.||||
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|| File format(s) | *.txt ||
|| Calibration certificates | NO || |
Documentation
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