| URI | 
          http://vocab.nerc.ac.uk/collection/P02/current/ALKY/2/ | 
        
        
          | Within Vocab | 
          SeaDataNet Parameter Discovery Vocabulary | 
        
        
        
          | Alternative Labels | 
          
            
              WC_Alk+Ac+pH
            
           | 
        
        
        
          | Definition | 
          Parameters quantifying the hydrogen ion concentration in water bodies | 
        
        
          | Date | 
          2008-08-15T10:11:46 | 
        
        
        
          
            
              | Identifier | 
              SDN:P02::ALKY | 
            
          
            
              | Note | 
              accepted | 
            
          
        
        
          
            
              | Is Version Of | 
              ALKY | 
            
          
        
        
        
        
          | Previous Version | 
          
            
              1
              
          
           | 
        
        
        
          
            
              | version | 
              2 | 
            
          
        
        
        
        
            
            | 
              Broader
             | 
			
				
					
					
                P36:ACIDIT | 
                Acidity | 
             | 
					
				
				
					
						
				
			
				
					
						
						| 
					
					
                 | P03:C010 | 
                Carbonate system | 
             | 
					
				
				
					
						
				
			
				
					
						
						| 
					
					
                 | P22:28 | 
                Oceanographic geographical features | 
             | 
					
				
				
					
						
				
			
				
					
						
						| 
					
					
                 | P05:014 | 
                oceans | 
             | 
					
				
				
					
						
				
			
				
					
						
						| 
					
					
                 | D01:D0100001 | 
                Parameters | 
             | 
					
				
				
					
						
				
			
				
					
						
						| 
					
					
                 | L19:005 | 
                theme | 
             | 
					
				
				
					
						
				
			
				
					
						
						| 
					
					
                 | L04:L04001 | 
                water body | 
             | 
					
				
				
					
						
				
			
        
            
            | 
              Narrower
             | 
			
				
					
					
                OD1:C02 | 
                CO2 Carbonate system | 
             | 
					
				
				
					
						
				
			
				
					
					
						
							| 
                 | P64:G878 | 
                EARTH SCIENCE > Oceans > Ocean Chemistry > Alkalinity | 
             | 
						
					
						
							| 
                 | P64:G903 | 
                EARTH SCIENCE > Oceans > Ocean Chemistry > pH | 
             | 
						
					
				
				
					
						
				
			
				
					
					
						
							| 
                 | P09:ALKW | 
                ALKALINITY | 
             | 
						
					
						
							| 
                 | P09:ALKY | 
                ALKALINITY | 
             | 
						
					
						
							| 
                 | P09:PHPH | 
                PH | 
             | 
						
					
				
				
					
						
				
			
				
					
					
						
							| 
                 | P04:G672 | 
                EARTH SCIENCE > Hydrosphere > Water Quality/Water Chemistry > Alkalinity | 
             | 
						
					
						
							| 
                 | P04:G688 | 
                EARTH SCIENCE > Hydrosphere > Water Quality/Water Chemistry > pH | 
             | 
						
					
						
							| 
                 | P04:G878 | 
                EARTH SCIENCE > Oceans > Ocean Chemistry > Alkalinity | 
             | 
						
					
						
							| 
                 | P04:G903 | 
                EARTH SCIENCE > Oceans > Ocean Chemistry > pH | 
             | 
						
					
				
				
					
						
				
			
				
					
					
						
							| 
                 | P07:CF14N4 | 
                integral_wrt_depth_of_tendency_of_sea_water_alkalinity_expressed_as_mole_equivalent | 
             | 
						
					
						
							| 
                 | P07:CF14N5 | 
                integral_wrt_depth_of_tendency_of_sea_water_alkalinity_expressed_as_mole_equivalent_due_to_biological_processes | 
             | 
						
					
						
							| 
                 | P07:CF14N55 | 
                sea_water_alkalinity_expressed_as_mole_equivalent | 
             | 
						
					
						
							| 
                 | P07:CF14N56 | 
                sea_water_ph_reported_on_total_scale | 
             | 
						
					
						
							| 
                 | P07:CF14N122 | 
                tendency_of_sea_water_alkalinity_expressed_as_mole_equivalent_due_to_biological_processes | 
             | 
						
					
				
				
					
						
				
			
				
					
					
						
							| 
                 | P01:ACIDZZXX | 
                Acidity of the water body | 
             | 
						
					
						
							| 
                 | P01:PHFSECAL | 
                pH (free scale) standard deviation {pH[F]} of the experiment water sample by computation | 
             | 
						
					
						
							| 
                 | P01:PHFRSDWC | 
                pH (free scale) standard deviation {pH[F]} of the water body by computation | 
             | 
						
					
						
							| 
                 | P01:PHFRECAL | 
                pH (free scale) {pH[F]} of the experiment water sample by computation | 
             | 
						
					
						
							| 
                 | P01:PHFRSXXX | 
                pH (free scale) {pH[F]} of the water body | 
             | 
						
					
						
							| 
                 | P01:PHFRWCAL | 
                pH (free scale) {pH[F]} of the water body by computation | 
             | 
						
					
						
							| 
                 | P01:PHXXZZYY | 
                pH (NBS scale) of the water body by Gran titration and Mackereth et al. (1978) freshwater analysis method and standardisation to NBS scale | 
             | 
						
					
						
							| 
                 | P01:PHNSECAL | 
                pH (NBS scale) standard deviation {pH[NBS]} of the experiment water sample by computation | 
             | 
						
					
						
							| 
                 | P01:PHNBSDWC | 
                pH (NBS scale) standard deviation {pH[NBS]} of the water body by computation | 
             | 
						
					
						
							| 
                 | P01:PHNBECAL | 
                pH (NBS scale) {pH[NBS]} of the experiment water sample by computation | 
             | 
						
					
						
							| 
                 | P01:PHNBWB01 | 
                pH (NBS scale) {pH[NBS]} of the water body | 
             | 
						
					
						
							| 
                 | P01:PHNBWCAL | 
                pH (NBS scale) {pH[NBS]} of the water body by computation | 
             | 
						
					
						
							| 
                 | P01:PHNBISGE | 
                pH (NBS scale) {pH[NBS]} of the water body by in-situ glass electrode | 
             | 
						
					
						
							| 
                 | P01:PHNBPHEL | 
                pH (NBS scale) {pH[NBS]} of the water body by pH electrode | 
             | 
						
					
						
							| 
                 | P01:PHSSECAL | 
                pH (seawater scale) standard deviation {pH[SWS]} of the experiment water sample by computation | 
             | 
						
					
						
							| 
                 | P01:PHSWSDWC | 
                pH (seawater scale) standard deviation {pH[SWS]} of the water body by computation | 
             | 
						
					
						
							| 
                 | P01:PHSWECAL | 
                pH (seawater scale) {pH[SWS]} of the experiment water sample by computation | 
             | 
						
					
						
							| 
                 | P01:PHSWSXXX | 
                pH (seawater scale) {pH[SWS]} of the water body | 
             | 
						
					
						
							| 
                 | P01:PHSWWCAL | 
                pH (seawater scale) {pH[SWS]} of the water body by computation | 
             | 
						
					
						
							| 
                 | P01:PHMASSSD | 
                pH (total scale) standard deviation of the water body | 
             | 
						
					
						
							| 
                 | P01:PHTLSDWC | 
                pH (total scale) standard deviation {pH[T]} of the water body by computation | 
             | 
						
					
						
							| 
                 | P01:PHTLMP02 | 
                pH (total scale) {pH[T]} of the sediment pore water by model prediction | 
             | 
						
					
						
							| 
                 | P01:PHMASSXX | 
                pH (total scale) {pH[T]} of the water body | 
             | 
						
					
						
							| 
                 | P01:PHTLWCAL | 
                pH (total scale) {pH[T]} of the water body by computation | 
             | 
						
					
						
							| 
                 | P01:PHTSFE03 | 
                pH (total scale) {pH[T]} of the water body by ion sensitive field-effect transistor (ISFET) sensor (external counter electrode) and manufacturer's calibration and correction against independent temperature and salinity measurements | 
             | 
						
					
						
							| 
                 | P01:PHXXFE03 | 
                pH (total scale) {pH[T]} of the water body by ion sensitive field-effect transistor (ISFET) sensor (external counter electrode) and manufacturer's calibration applied | 
             | 
						
					
						
							| 
                 | P01:PHTSFE02 | 
                pH (total scale) {pH[T]} of the water body by ion sensitive field-effect transistor (ISFET) sensor (internal counter electrode) and manufacturer's calibration and correction against independent temperature and salinity measurements | 
             | 
						
					
						
							| 
                 | P01:PHXXFE02 | 
                pH (total scale) {pH[T]} of the water body by ion sensitive field-effect transistor (ISFET) sensor (internal counter electrode) and manufacturer's calibration applied | 
             | 
						
					
						
							| 
                 | P01:PHTLMP01 | 
                pH (total scale) {pH[T]} of the water body by model prediction | 
             | 
						
					
						
							| 
                 | P01:PHTLSX25 | 
                pH (total scale) {pH[T]} of the water body by normalisation at zero pressure and 25 degrees Celsius | 
             | 
						
					
						
							| 
                 | P01:PHXXSP02 | 
                pH (total scale) {pH[T]} of the water body by spectrophotometry | 
             | 
						
					
						
							| 
                 | P01:PHXXSP05 | 
                pH (total scale) {pH[T]} of the water body by spectrophotometry (external electrode) and manufacturer's calibration and correction against independent temperature and salinity measurements | 
             | 
						
					
						
							| 
                 | P01:PHXXSP07 | 
                pH (total scale) {pH[T]} of the water body by spectrophotometry (external electrode) and manufacturer's calibration and laboratory calibration against TRIS-buffer applied | 
             | 
						
					
						
							| 
                 | P01:PHXXSP04 | 
                pH (total scale) {pH[T]} of the water body by spectrophotometry (external electrode) and manufacturer's calibration applied | 
             | 
						
					
						
							| 
                 | P01:PHXXSP06 | 
                pH (total scale) {pH[T]} of the water body by spectrophotometry (internal electrode) and manufacturer's calibration and correction against independent temperature and salinity measurements | 
             | 
						
					
						
							| 
                 | P01:PHXXSP03 | 
                pH (total scale) {pH[T]} of the water body by spectrophotometry (internal electrode) and manufacturer's calibration applied | 
             | 
						
					
						
							| 
                 | P01:PHSPWX01 | 
                pH (unspecified scale) of the groundwater [dissolved plus reactive particulate phase] by pH electrode | 
             | 
						
					
						
							| 
                 | P01:PHXXZZXX | 
                pH (unspecified scale) of the water body | 
             | 
						
					
						
							| 
                 | P01:PHXXPR01 | 
                pH (unspecified scale) of the water body by pH electrode | 
             | 
						
					
						
							| 
                 | P01:PHXXSP01 | 
                pH (unspecified scale) of the water body by spectrophotometry | 
             | 
						
					
						
							| 
                 | P01:ALKGWX01 | 
                Total alkalinity of the groundwater [dissolved plus reactive particulate phase] by titration against standardised acid | 
             | 
						
					
						
							| 
                 | P01:MDMAP014 | 
                Total alkalinity per unit mass of the water body | 
             | 
						
					
						
							| 
                 | P01:ALKYPOTK | 
                Total alkalinity per unit mass of the water body by potentiometry | 
             | 
						
					
						
							| 
                 | P01:ALKYMP02 | 
                Total alkalinity per unit volume of the sediment pore water by model prediction | 
             | 
						
					
						
							| 
                 | P01:ALKYZZXX | 
                Total alkalinity per unit volume of the water body | 
             | 
						
					
						
							| 
                 | P01:ALKYTID1 | 
                Total alkalinity per unit volume of the water body by filtration and titration against standardised acid | 
             | 
						
					
						
							| 
                 | P01:ALKYZZYY | 
                Total alkalinity per unit volume of the water body by Gran titration and Mackereth et al. (1978) freshwater analysis method | 
             | 
						
					
						
							| 
                 | P01:ALKYMP01 | 
                Total alkalinity per unit volume of the water body by model prediction | 
             | 
						
					
						
							| 
                 | P01:ALKYPOTX | 
                Total alkalinity per unit volume of the water body by potentiometry | 
             | 
						
					
						
							| 
                 | P01:ALKYSPTX | 
                Total alkalinity per unit volume of the water body by spectrophotometry | 
             | 
						
					
						
							| 
                 | P01:MDMASD14 | 
                Total alkalinity standard deviation per unit mass of the water body | 
             | 
						
					
						
							| 
                 | P01:ALSDPOTK | 
                Total alkalinity standard deviation per unit mass of the water body by potentiometry | 
             | 
						
					
						
							| 
                 | P01:ALSDPOTX | 
                Total alkalinity standard deviation per unit volume of the water body by potentiometry | 
             | 
						
					
						
							| 
                 | P01:TASDWCAL | 
                Total alkalinity standard deviation {TA} per unit mass of the water body by computation | 
             | 
						
					
						
							| 
                 | P01:ALKYUCKG | 
                Total alkalinity uncertainty per unit mass of the water body | 
             | 
						
					
						
							| 
                 | P01:TALKWCAL | 
                Total alkalinity {TA} per unit mass of the water body by computation | 
             |