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??? Please note that the pCO2 Monitoring System General Oceanics (GO pCO2) can only be operated upon request. Request operations with the pCO2 Monitoring System General Oceanics (GO pCO2) to AWI-Logistics in sufficient time prior to the cruise. ???: The system runs continuously at all cruises. Support is given by the board electricians. Please ask them if you need specific info, or contact the responisple AWI scientist. |
Summary
Responsible Persons
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???The system consists of a wet box and a dry box. In the wet box, surface seawater is brought into equilibrium with air, which is measured for its CO2 content in the dry box. CO2 determination is peformed with a Li-cor Infra Red (IR) analyser. |
Position
Data logging, storage and archiving
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??? Time synchronising of the computers is regulated via ??? is regulated by hand by comparing ship's time with computer's time. |
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??? The geographical Geographical ship's position isvia transferred to ??? ??? centering of the GPS Position to the transducer ??? ship's system. |
Rawdata storage on board
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Data storage is stored on the computer of the GO system and in DShip system. |
Dship
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UncorrectedPreliminary, uncorrected measurement data. Reporting of a preliminary pCO2 (based on xco2, equtemp in licorpres) was implemented in May 2015, for reporting to DSHIP and on to AWI. Please note that these data are NOT the final product of this instrument. After-cruise processing of the data improves the values significantly compared to the preliminary value. |
| Metadata list |
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|| Device name | GO pCO2 Analyzer || || Parameters | DateTime; fCO2 \[µmol/mol\]; Type || |
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After the cruise the uncorrected DShip data set can be extracted from https://dms.awi.de. ???The data need processing for correcting the raw data to useful and high-quality pCO2 data. Final data are stored in SOCAT (https://www.socat.info), where further quality control is done. Also available in https://www.pangaea.de/ (for authorized users only) ??? . |
| Metadata list |
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|| File format(s) | ??? stored in DShip system || || Calibration certificates | ???NO || |