B. Finite difference equations of the model   d. Radiation
B.d.ii. Near infrared radiation of atmospheric CO2 In the radiative transfer equation of CO2, which is described in Appendix A.d.i, the near infrared radiative flux (A.27) and the effective path length are discretized as follows. where parameter is small to avoid a division-by-zero exception
A Numerical Simulation of Thermal Convection in the Martian Lower Atmosphere with a Two-Dimensional Anelastic Model