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The system consists of a flow-through unit for CO2 extraction at a membrane and CO2 detection by a Li-cor Infra Red (IR) analyser. The instrument reports "mole fraction of CO2 in wet air [ppm]". Values of "pCO2 [µatm] can only be obtained with shore-based data processing. | ||
Position
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Data logging, storage and archiving
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| Time synchronising is regulated via DShip.
Geographical ship's position via DShip.||||
Rawdata storage on board
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Data storage in the instrument itself and in the DShip system.
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Dship
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Uncorrected measurement data. | ||
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|| Device name | OceanPack pCO2 Analyzer ||
|| Parameters| xCO2 (air) \[ppm\]; xCO2 corrected (water) \[ppm\]; CO2 concentration\[mmol/m3\]; pressure difference (membrane; licor) \[mbar\]; xH2O (air) \[ppt\]; H2O concentration \[mmol/m3\]; xCO2 dry \[µmol/mol\] || |
Data archiving on land
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| After the cruise the (uncorrected) DShip data set can be extracted from https://dship.awi.de/.
Data must be corrected before final use. Corrected data can only be obtained after on land processing.||||
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Documentation
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