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seacarb (version 3.0.13)
Seawater Carbonate Chemistry
Description
Calculates parameters of the seawater carbonate system and assists the design of ocean acidification perturbation experiments.
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Install
install.packages('seacarb')
Monthly Downloads
1,391
Version
3.0.13
License
GPL (>= 2)
Maintainer
Jean-Pierre Gattuso
Last Published
April 2nd, 2016
Functions in seacarb (3.0.13)
Search functions
K1
First dissociation constant of carbonic acid (mol/kg)
K2
Second dissociation constant of carbonic acid (mol/kg)
pHslope
Slope of the calibration curve of a pH electrode
pHinsi
pH at in situ temperature
pH
Potentiometric pH
p2d
Converts pressure in dbar to depth in meters
vapress
Computes vapor pressure of seawater
rho
Density of seawater (kg/m3)
kfg
variable for internal use
pgas
pgas
Kw
Ion product of water (mol2/kg2)
seacarb_test_P300
Test data file (at P=300) to test the use of the carb function
K3p
Third dissociation constant of phosphoric acid (mol/kg)
K1p
First dissociation constant of phosphoric acid (mol/kg)
Pcoeffs
Coefficients used for pressure-correcting the equilibrium constants
Ksi
Dissociation constant of Si(OH)4
bjerrum
Bjerrum plot
Kb
Dissociation constant of boric acid (mol/kg)
pmix
pmix
buffer
Buffer parameters of the seawater carbonate system
buffesm
Buffer capacities of the seawater carbonate system as defined by Egleston et al. (2010)
amp
pH value of the AMP buffer
alkalinity
Example data file for function at
bor
Total boron concentration (mol/kg)
d2p
Converts depth in meters to pressure in dbar
K2p
Second dissociation constant of phosphoric acid (mol/kg)
psi
Molar ratio of CO2 released vs CaCO3 precipitated
Kf
Equilibrium constant of hydrogen fluoride (mol/kg)
theta
Potential temperature of seawater
Ks
Stability constant of hydrogen sulfate (mol/kg)
pHconv
Conversion of pH
Kn
Dissociation constant of ammonium (mol/kg)
Kspa
Solubility product of aragonite (mol/kg)
carbb
Parameters of the seawater carbonate system
oa
Perturbation of the seawater carbonate system
Pcorrect
Pressure correction of equilibrium constants
pCa
pCa
f2pCO2
Converts the CO2 fugacity to CO2 partial pressure
Kspc
Solubility product of calcite (mol/kg)
p2fCO2
Converts pCO2 (partial pressure in CO2) into fCO2 (fugacity of CO2)
seacarb_test_P0
Test data file (at P=0) to test the use of the carb function
Khs
Dissociation constant of hydrogen sulfide (mol/kg)
kconv
Conversion factors to change the pH scale of dissociation constants
tris
pH value of the TRIS buffer
at
Calculates total alkalinity from potentiometric titration data
ppH
ppH
Om
Carbonate saturation state for magnesian calcites
K0
Henry's constant mol/(kg/atm)
p2xCO2
Converts partial pressure of CO2 to mole fraction of CO2
speciation
ionic forms as a function of pH
pTA
pTA
carb
Parameters of the seawater carbonate system
x2pCO2
Converts mole fraction to partial pressure of CO2