| URI | 
          http://vocab.nerc.ac.uk/collection/P02/current/PCO2/1/ | 
        
        
          | Within Vocab | 
          SeaDataNet Parameter Discovery Vocabulary | 
        
        
        
          | Alternative Labels | 
          
            
              WC_pCO2
            
           | 
        
        
        
          | Definition | 
           | 
        
        
          | Date | 
          2004-08-11T09:08:12 | 
        
        
        
          
            
              | Identifier | 
              SDN:P02::PCO2 | 
            
          
            
              | Note | 
              accepted | 
            
          
        
        
          
            
              | Is Version Of | 
              PCO2 | 
            
          
        
        
        
        
          
            
              | version | 
              1 | 
            
          
        
        
        
        
            
            | 
              Same As
             | 
			
				
					
					
                P04:G674 | 
                EARTH SCIENCE > Hydrosphere > Water Quality/Water Chemistry > Carbon Dioxide | 
             | 
					
				
				
					
				
			
        
            
            | 
              Broader
             | 
			
				
					
					
                P03:C010 | 
                Carbonate system | 
             | 
					
				
				
					
						
				
			
				
					
						
						| 
					
					
                 | P22:28 | 
                Oceanographic geographical features | 
             | 
					
				
				
					
						
				
			
				
					
						
						| 
					
					
                 | P05:014 | 
                oceans | 
             | 
					
				
				
					
						
				
			
				
					
						
						| 
					
					
                 | D01:D0100001 | 
                Parameters | 
             | 
					
				
				
					
						
				
			
				
					
						
						| 
					
					
                 | L19:005 | 
                theme | 
             | 
					
				
				
					
						
				
			
				
					
						
						| 
					
					
                 | L04:L04001 | 
                water body | 
             | 
					
				
				
					
						
				
			
				
					
					
						
							| 
                 | P36:ACIDIT | 
                Acidity | 
             | 
						
					
						
							| 
                 | P36:DISGAS | 
                Dissolved gases | 
             | 
						
					
				
				
					
						
				
			
        
            
            | 
              Narrower
             | 
			
				
					
					
                OD1:C02 | 
                CO2 Carbonate system | 
             | 
					
				
				
					
						
				
			
				
					
						
						| 
					
					
                 | P04:G883 | 
                EARTH SCIENCE > Oceans > Ocean Chemistry > Carbon Dioxide | 
             | 
					
				
				
					
						
				
			
				
					
						
						| 
					
					
                 | P64:G883 | 
                EARTH SCIENCE > Oceans > Ocean Chemistry > Carbon Dioxide | 
             | 
					
				
				
					
						
				
			
				
					
						
						| 
					
					
                 | P07:CFSN0244 | 
                surface_partial_pressure_of_carbon_dioxide_in_sea_water | 
             | 
					
				
				
					
						
				
			
				
					
					
						
							| 
                 | P09:PCOW | 
                Carbon dioxide in water | 
             | 
						
					
						
							| 
                 | P09:FCO2 | 
                CO2 FUGACITY | 
             | 
						
					
						
							| 
                 | P09:XCO2 | 
                CO2 MOLE FRACTION IN DRY GAS | 
             | 
						
					
						
							| 
                 | P09:PCO2 | 
                CO2 PART. PRES IN DRY/WET GAS | 
             | 
						
					
				
				
					
						
				
			
				
					
					
						
							| 
                 | P01:FCO2ANOM | 
                Fugacity anomaly (water - air) of carbon dioxide {CO2 CAS 124-38-9} in the water body | 
             | 
						
					
						
							| 
                 | P01:FCO2XXXX | 
                Fugacity of carbon dioxide (at 100% humidity) {fCO2 CAS 124-38-9} in the water body | 
             | 
						
					
						
							| 
                 | P01:FCO2WCAL | 
                Fugacity of carbon dioxide {CO2 CAS 124-38-9} {fCO2} in the water body by computation | 
             | 
						
					
						
							| 
                 | P01:FCO2EQTX | 
                Fugacity of carbon dioxide {fCO2 CAS 124-38-9} in the water body by equilibration with air, drying and constant temperature non-dispersive infra-red gas analysis and computation from pCO2 corrected to 1 bar at 100% humidity | 
             | 
						
					
						
							| 
                 | P01:FCO2TK02 | 
                Fugacity of carbon dioxide {fCO2 CAS 124-38-9} in the water body by equilibration with air, drying and constant temperature non-dispersive infra-red gas analysis and computation from pCO2 corrected to 1 bar at 100% humidity at in-situ temperature (Takahashi correction) | 
             | 
						
					
						
							| 
                 | P01:FCSDWCAL | 
                Fugacity standard deviation of carbon dioxide {CO2 CAS 124-38-9} {fCO2} in the water body by computation | 
             | 
						
					
						
							| 
                 | P01:XCO2WTWB | 
                Mole fraction at 100% humidity of carbon dioxide {CO2 CAS 124-38-9} {xCO2} for the water body | 
             | 
						
					
						
							| 
                 | P01:XCO2WTWC | 
                Mole fraction at 100% humidity of carbon dioxide {CO2 CAS 124-38-9} {xCO2} for the water body by correction based on re-calculated zero baseline | 
             | 
						
					
						
							| 
                 | P01:XCO2WTUM | 
                Mole fraction at 100% humidity of carbon dioxide {CO2 CAS 124-38-9} {xCO2} in matrix specified elsewhere | 
             | 
						
					
						
							| 
                 | P01:XCO2WBDY | 
                Mole fraction in dry air of carbon dioxide {CO2 CAS 124-38-9} {xCO2} for the water body | 
             | 
						
					
						
							| 
                 | P01:XCO2DCEQ | 
                Mole fraction in dry air of carbon dioxide {CO2 CAS 124-38-9} {xCO2} for the water body by equilibration with air, drying and constant temperature non-dispersive infra-red gas analysis and computation from pCO2 following correction to dry air and calibration against standards | 
             | 
						
					
						
							| 
                 | 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:PCO2MOD2 | 
                Partial pressure of carbon dioxide {CO2 CAS 124-38-9} {pCO2} in the sediment pore water by model prediction | 
             | 
						
					
						
							| 
                 | P01:PCO2XXXX | 
                Partial pressure of carbon dioxide {CO2 CAS 124-38-9} {pCO2} in the water body | 
             | 
						
					
						
							| 
                 | P01:PCO2WCAL | 
                Partial pressure of carbon dioxide {CO2 CAS 124-38-9} {pCO2} in the water body by computation | 
             | 
						
					
						
							| 
                 | 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:PCO2MOD1 | 
                Partial pressure of carbon dioxide {CO2 CAS 124-38-9} {pCO2} in the water body by model prediction | 
             | 
						
					
						
							| 
                 | P01:PCO2OP01 | 
                Partial pressure of carbon dioxide {CO2 CAS 124-38-9} {pCO2} in the water body by optode and computation from derived ratio and laboratory calibration (Clarke et al. 2015) and correction to in-situ temperature and salinity | 
             | 
						
					
						
							| 
                 | 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:PCO2PT01 | 
                Partial pressure of carbon dioxide {pCO2 CAS 124-38-9} in the water body by recalculation to potential temperature using pCO2*EXP((Theta - T)*0.0423) | 
             | 
						
					
						
							| 
                 | 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 | 
             | 
						
					
						
							| 
                 | P01:PCSDWCAL | 
                Partial pressure standard deviation of carbon dioxide {CO2 CAS 124-38-9} {pCO2} in the water body by computation | 
             | 
						
					
				
				
					
						
				
			
        
            
            | 
              Related
             | 
			
				
					
					
                P07:CFSN0293 | 
                surface_carbon_dioxide_partial_pressure_difference_between_air_and_sea_water | 
             |