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Concept

Water body carbon dioxide partial pressure

URI http://vocab.nerc.ac.uk/collection/P35/current/EPC00133/4/
Within Vocab EMODnet Chemistry aggregated parameter names
Alternative Labels Carbon dioxide_partial pressure
Definition The partial pressure of carbon dioxide gas in an atmosphere that is in equilibrium with a sample from any body of fresh or salt water.
Date 2025-07-28T13:35:18
Identifier SDN:P35::EPC00133
Note accepted
Is Version Of EPC00133
Previous Version 1 , 2 , 3
version 4
Broader
P36 EMODnet Chemistry chemical groups - (2) [+]
P36:ACIDIT Acidity
P36:DISGAS Dissolved gases
Narrower
P01 BODC Parameter Usage Vocabulary - (10) [+]
P01:PCO2IERR Partial pressure error of carbon dioxide {pCO2 CAS 124-38-9} in the water body by equilibration with air, drying and constant temperature non-dispersive infra-red gas analysis and standards calibration, correction to 1 bar at 100% humidity and Takahashi correction to in-situ temperature
P01:PCO2XXXX Partial pressure of carbon dioxide {CO2 CAS 124-38-9} {pCO2} in the water body
P01:PCO2C101 Partial pressure of carbon dioxide {CO2 CAS 124-38-9} {pCO2} in the water body by computation from pH and alkalinity
P01:PCO2EG01 Partial pressure of carbon dioxide {CO2 CAS 124-38-9} {pCO2} in the water body by equilibration with air, drying and infra-red gas analysis
P01:PCO2GC01 Partial pressure of carbon dioxide {CO2 CAS 124-38-9} {pCO2} in the water body by gas chromatography
P01:PCO2TK01 Partial pressure of carbon dioxide {CO2 CAS 124-38-9} {pCO2} in the water body by shower-head equilibration with air, drying and gas chromatography and computation using Takahashi correction to in-situ temperature
P01:PCO2SS01 Partial pressure of carbon dioxide {CO2 CAS 124-38-9} {pCO2} in the water body by spectrophotometric absorbance at two different wavelengths of CO2-equilibrated fixed alkalinity dye solution
P01:PCO2IG02 Partial pressure of carbon dioxide {pCO2 CAS 124-38-9} in the water body by equilibration with air, drying and constant temperature non-dispersive infra-red gas analysis and standards calibration and correction to 1 bar at 100% humidity
P01:PCO2TK02 Partial pressure of carbon dioxide {pCO2 CAS 124-38-9} in the water body by equilibration with air, drying and constant temperature non-dispersive infra-red gas analysis and standards calibration, correction to 1 bar at 100% humidity and Takahashi correction to in-situ temperature
P01:PCO2TU01 Partial pressure of carbon dioxide {pCO2 CAS 124-38-9} in the water body by shower-head equilibration with air, drying and gas chromatography and Turner correction to in-situ temperature
Related P06:UATM Microatmospheres

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