seacarb3.3.3 package

Seawater Carbonate Chemistry

alkalinity

Example data file for function at

amp

pH value of the AMP buffer

bjerrum

Bjerrum plot

bor

Total boron concentration (mol/kg)

buffer

Buffer parameters of the seawater carbonate system

buffergen

Buffer factors of the seawater carbonate system as defined by Hagens a...

buffesm

Buffer capacities of the seawater carbonate system from Egleston et al...

carb

Parameters of the seawater carbonate system

carbb

Parameters of the seawater carbonate system with boron addition

carbfull

Parameters of the seawater carbonate system - extension of carb

d2p

Converts depth in meters to pressure in dbar

derivnum

Numerical derivatives of seawater carbonate system variables

eos2teos_chem

Convert temperature and salinity from EOS-80 to TEOS-10

eos2teos_geo

Convert temperature and salinity from EOS-80 to TEOS-10

errors

Uncertainty propagation for computed marine carbonate system variables

f2pCO2

Converts the CO2 fugacity to CO2 partial pressure

fCO2insi

fCO2 at in situ temperature

fH

Total activity coefficient for H+

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)

K2si

Second dissociation constant of Si(OH)4

K3p

Third dissociation constant of phosphoric acid (mol/kg)

Kb

Dissociation constant of boric acid (mol/kg)

kconv

Conversion factors to change the pH scale of dissociation constants

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)

oa

Perturbation of the seawater carbonate system

Om

Carbonate saturation state for magnesian calcites

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

pCO2insi

pCO2 at in situ temperature

Pcoeffs

Coefficients used for pressure-correcting the equilibrium constants

Pcorrect

Pressure correction of equilibrium constants

pgas

pgas

pH

Potentiometric pH

pHconv

Conversion of pH

pHinsi

pH at in situ temperature and pressure

pHnbs2sws

Converts pH from NBS to SWS scale

pHslope

Slope of the calibration curve of a pH electrode

pHspec

Calculates pHT from results of spectrophotometric measurements

pHsws2nbs

Converts pH from SWS to NBS scale

pmix

pmix

ppH

ppH

psi

Molar ratio of CO2 released vs CaCO3 precipitated

pTA

pTA

rho

Density of seawater (kg/m3)

sa2sp_chem

From absolute to practical salinity

sa2sp_geo

From absolute to practical salinity

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

seaFET

Test seaFET data file

sf_calc

Calculation of calibrated pH for seaFET sensor

sf_calib

Calibration coefficients for seaFET sensor

SIR

Parameters of the seawater carbonate system including the substrate-in...

SIR_b

Parameters of the seawater carbonate system with boron addition, inclu...

SIR_full

Parameters of the seawater carbonate system including the substrate-in...

sp2sa_chem

From Practical to absolute salinity

sp2sa_geo

From practical to absolute salinity

speciation

ionic forms as a function of pH

teos2eos_chem

Convert temperature and salinity from TEOS-10 to EOS-80

teos2eos_geo

Convert temperature and salinity from TEOS-10 to EOS-80

theta

Potential temperature of seawater

tris

pH of TRIS buffer

vapress

Computes vapor pressure of seawater

x2pCO2

Converts mole fraction to partial pressure of CO2

Calculates parameters of the seawater carbonate system and assists the design of ocean acidification perturbation experiments.