Feasibility of retrieving dust properties and total column water vapor from solar spectra measured using a lander camera on Mars

Progress in Earth and Planetary Science

Table 2 Main parameters of MODTRAN to be configured for Martian atmosphere

Item	Value
Solar constant	608 W/m²
Radius of Mars	3396 km
Vertical profile of pressure	Mean value of MCD^a(7.6 hPa @ground)
Vertical profile of temperature	Mean value of MCD (267 K @ground)
CO₂ volume mixing ratio	95.32%
O₂ volume mixing ratio	0.13%
O₃ volume mixing ratio	30 ppb
H₂O volume mixing ratio	300 ppm (<10 km), 0 (>10 km)
Volume mixing ratio of other gases	0
Vertical profile of dust extinction coefficient	Calculated from the dust model
Wavelength dependence of dust extinction	Calculated from the dust model
Wavelength dependence of dust absorption	Calculated from the dust model
Wavelength/scattering angle dependence of dust phase function	Calculated from the dust model
Surface albedo	Desert model (0.21@450 nm, 0.34@675 nm)