K0                      Henry's constant mol/(kg/atm)
K1                      First dissociation constant of carbonic acid
                        (mol/kg)
K1p                     First dissociation constant of phosphoric acid
                        (mol/kg)
K2                      Second dissociation constant of carbonic acid
                        (mol/kg)
K2p                     Second dissociation constant of phosphoric acid
                        (mol/kg)
K3p                     Third dissociation constant of phosphoric acid
                        (mol/kg)
Kb                      Dissociation constant of boric acid (mol/kg)
Kf                      Equilibrium constant of hydrogen fluoride
                        (mol/kg)
Khs                     Dissociation constant of hydrogen sulfide
                        (mol/kg)
Kn                      Dissociation constant of ammonium (mol/kg)
Ks                      Stability constant of hydrogen sulfate (mol/kg)
Ksi                     Dissociation constant of Si(OH)4
Kspa                    Solubility product of aragonite (mol/kg)
Kspc                    Solubility product of calcite (mol/kg)
Kw                      Ion product of water (mol2/kg2)
Om                      Carbonate saturation state for magnesian
                        calcites
Pcoeffs                 Coefficients used for pressure-correcting the
                        equilibrium constants
Pcorrect                Pressure correction of equilibrium constants
alkalinity              Example data file for function at
amp                     pH value of the AMP buffer
at                      Calculates total alkalinity from potentiometric
                        titration data
bjerrum                 Bjerrum plot
bor                     Total boron concentration (mol/kg)
buffer                  Buffer parameters of the seawater carbonate
                        system
buffesm                 Buffer capacities of the seawater carbonate
                        system as defined by Egleston et al. (2010)
carb                    Parameters of the seawater carbonate system
carbb                   Parameters of the seawater carbonate system
d2p                     Converts depth in meters to pressure in dbar
derivnum                Numerical derivatives of seawater carbonate
                        system variables
errors                  Error propagation for computed marine carbonate
                        system variables
f2pCO2                  Converts the CO2 fugacity to CO2 partial
                        pressure
kconv                   Conversion factors to change the pH scale of
                        dissociation constants
kfg                     variable for internal use
oa                      Perturbation of the seawater carbonate system
p2d                     Converts pressure in dbar to depth in meters
p2fCO2                  Converts pCO2 (partial pressure in CO2) into
                        fCO2 (fugacity of CO2)
p2xCO2                  Converts partial pressure of CO2 to mole
                        fraction of CO2
pCa                     pCa
pH                      Potentiometric pH
pHconv                  Conversion of pH
pHinsi                  pH at in situ temperature
pHslope                 Slope of the calibration curve of a pH
                        electrode
pTA                     pTA
pgas                    pgas
pmix                    pmix
ppH                     ppH
psi                     Molar ratio of CO2 released vs CaCO3
                        precipitated
rho                     Density of seawater (kg/m3)
seacarb_test_P0         Test data file (at P=0) to test the use of the
                        carb function
seacarb_test_P300       Test data file (at P=300) to test the use of
                        the carb function
speciation              ionic forms as a function of pH
theta                   Potential temperature of seawater
tris                    pH value of the TRIS buffer
vapress                 Computes vapor pressure of seawater
x2pCO2                  Converts mole fraction to partial pressure of
                        CO2
