Tools for Stable Isotope Geochemistry


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Documentation for package ‘isogeochem’ version 1.1.1

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a13_CO2g_CO2aq 13C/12C fractionation factor between CO2(g) and CO2(aq)
a18_CO2acid_c 18O/16O acid fractionation factor
a18_CO2aq_H2O 18O/16O fractionation factor between CO2(aq) and H2O(l)
a18_CO2g_H2O 18O/16O fractionation factor between CO2(g) and H2O(l)
a18_CO3_H2O 18O/16O fractionation factor between CO3(2-) and H2O
a18_c_H2O 18O/16O fractionation factor between carbonate and water
a18_H2O_OH 18O/16O fractionation factor between water and hydroxide ion
a18_HCO3_H2O 18O/16O fractionation factor between HCO3(-) and H2O
a_A_B Isotope fractionation factor between A and B
A_from_a Isotope delta from fractionation factor
B_from_a Isotope delta from fractionation factor
D17O Triple oxygen isotope value
d17O_c Triple oxygen isotope values of carbonates
d17O_qz Triple oxygen isotope values of quartz
d18O_c Equilibrium carbonate d18O value
d18O_H2O Water d18O value
D47 Equilibrium carbonate D47 value
D48 Equilibrium carbonate D47 value
devilshole Devils Hole carbonate d18O time series
epsilon Isotope fractionation value
GTS2020 Oxygen isotope stratigraphy from the Geologic Time Scale 2020: macrofossils
LR04 A Pliocene-Pleistocene benthic foraminifera d18O stack
meteoric_water Oxygen isotope values for meteoric waters
mix_d17O Mixing curves in triple oxygen isotope space
prime Converting delta to delta prime
temp_d18O Oxygen isotope thermometry
temp_D47 Clumped isotope thermometry
temp_D48 Dual clumped isotope thermometry
to_VPDB Converting isotope delta from VSMOW to VPDB
to_VSMOW Converting isotope delta from VPDB to VSMOW
unprime Converting delta prime to delta
X_absorption Relative rates of CO2 absorption reactions
X_DIC Dissolved inorganic carbon species
york_fit Error-considering linear regression
york_plot Regression confidence intervals