This function calculates the free-air diffusion coefficients
of different gases for a given temperature and pressure.
Arguments
- gas
(character) One of "CO2","CH4","N2O","O2","N2"
- t
(numeric) temperature in °C
- p
(numeric) pressure in hpa
Value
A numeric vector of D0 in m^2/s
References
Massman, W. J. A review of the molecular diffusivities of H2O,
CO2, CH4, CO, O3, SO2, NH3, N2O, NO, and NO2 in air, O2 and N2 near STP.
Atmospheric Environment 1998, 32(6), 1111–1127
Examples
D0_massman("CO2", 10, 1013)
#> [1] 1.473864e-05
