d18O_evap_total_frac: Total Fractionation Factor
In cvoter/isoH2Obudget: Lake Water Budget Using Stable Isotopes
Description
Usage
Arguments
Value
References
View source: R/d18O_evap_functions.R
Description
Calculates the total fractionation factor based on the definition of epsilon
for equation 5 in Krabbenhoft et al. (1990). Note that while
d18O_evap_isotope_frac calculates alpha in LV form (i.e,
alpha+ > 1), the equation in Krabbenhoft et al. (1990) assumes alpha is in
V/L form (i.e., alpha* < 1).
Usage
1
d18O_evap_total_frac(alpha, delta_epsilon)
Arguments
alpha
equilibrium isotope fractionation factor (-) at the temperature
of the air-water interface in LV form (i.e., alpha > 1).
delta_epsilon
kinetic fractionation factor (-)
Value
epsilon - the total fractionation factor (-)
References
Krabbenhoft, D. P., C. J. Bowser, M. P. Anderson, and J. W.
Valley. (1990). Estimating Groundwater Exchange with Lakes: 1. The Stable
Isotope Mass Balance Method. Water Resources Research, 26(10):2445-2453.
https://doi.org/10.1029/WR026i010p02445
cvoter/isoH2Obudget documentation built on March 29, 2020, 11:07 a.m.
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Description Usage Arguments Value References
View source: R/d18O_evap_functions.R
Description
Calculates the total fractionation factor based on the definition of epsilon
for equation 5 in Krabbenhoft et al. (1990). Note that while
d18O_evap_isotope_frac calculates alpha in LV form (i.e,
alpha+ > 1), the equation in Krabbenhoft et al. (1990) assumes alpha is in
V/L form (i.e., alpha* < 1).
Usage
1 | d18O_evap_total_frac(alpha, delta_epsilon)
|
Arguments
alpha |
equilibrium isotope fractionation factor (-) at the temperature of the air-water interface in LV form (i.e., alpha > 1). |
delta_epsilon |
kinetic fractionation factor (-) |
Value
epsilon - the total fractionation factor (-)
References
Krabbenhoft, D. P., C. J. Bowser, M. P. Anderson, and J. W. Valley. (1990). Estimating Groundwater Exchange with Lakes: 1. The Stable Isotope Mass Balance Method. Water Resources Research, 26(10):2445-2453. https://doi.org/10.1029/WR026i010p02445
R Package Documentation
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