A_from_a                Isotope delta from fractionation factor
B_from_a                Isotope delta from fractionation factor
D17O                    Triple oxygen isotope value
D47                     Equilibrium carbonate D47 value
D48                     Equilibrium carbonate D47 value
GTS2020                 Oxygen isotope stratigraphy from the Geologic
                        Time Scale 2020: macrofossils
LR04                    A Pliocene-Pleistocene benthic foraminifera
                        d18O stack
X_DIC                   Dissolved inorganic carbon species
X_absorption            Relative rates of CO2 absorption reactions
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_H2O_OH              18O/16O fractionation factor between water and
                        hydroxide ion
a18_HCO3_H2O            18O/16O fractionation factor between HCO3(-)
                        and H2O
a18_c_H2O               18O/16O fractionation factor between carbonate
                        and water
a_A_B                   Isotope fractionation factor between A and B
d17O_c                  Triple oxygen isotope values of carbonates
d17O_qz                 Triple oxygen isotope values of quartz
d18O_H2O                Water d18O value
d18O_c                  Equilibrium carbonate d18O value
devilshole              Devils Hole carbonate d18O time series
epsilon                 Isotope fractionation value
meteoric_water          Oxygen isotope values for meteoric waters
mix_d17O                Mixing curves in triple oxygen isotope space
prime                   Converting delta to delta prime
temp_D47                Clumped isotope thermometry
temp_D48                Dual clumped isotope thermometry
temp_d18O               Oxygen 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
york_fit                Error-considering linear regression
york_plot               Regression confidence intervals
