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Package Documentation

marsrad marsrad-package
marsrad: Mars Solar Radiation

Instantaneous Irradiance (G_* functions)

Power per unit area at a specific moment

G_h()
Global irradiance on Mars horizontal surface
G_i()
Global irradiance on Mars inclined surface
G_ob()
Beam irradiance at top of Martian atmosphere
G_obh()
Beam irradiance on horizontal surface at top of Mars atmosphere
G_b()
Direct beam irradiance on Mars surface normal to solar rays
G_bh()
Direct beam irradiance on Mars horizontal surface
G_bi()
Direct beam irradiance on Mars inclined surface
G_dh()
Diffuse irradiance on Mars horizontal surface
G_di()
Diffuse irradiance on Mars inclined surface
G_ali()
Albedo-reflected irradiance on Mars inclined surface

Daily Insolation (H_* functions)

Energy per unit area over one Martian sol

H_h()
Global daily insolation on Mars horizontal surface
H_i()
Global daily insolation on Mars inclined surface
H_obh()
Daily beam insolation at top of Mars atmosphere
H_bh()
Beam daily insolation on Mars horizontal surface
H_bi()
Beam daily insolation on Mars inclined surface
H_dh()
Diffuse daily insolation on Mars horizontal surface
H_di()
Diffuse daily insolation on Mars inclined surface
H_ali()
Albedo-reflected daily insolation on Mars inclined surface

Period Insolation (I_* functions)

Energy per unit area over multiple sols

I_h()
Global insolation on Mars horizontal surface over time period
I_i()
Global insolation on Mars inclined surface over time period
I_obh()
Beam insolation at top of Mars atmosphere over time period
I_bh()
Beam insolation on Mars horizontal surface over time period
I_bi()
Beam insolation on Mars inclined surface over time period
I_dh()
Diffuse insolation on Mars horizontal surface over time period
I_di()
Diffuse insolation on Mars inclined surface over time period
I_ali()
Albedo-reflected insolation on Mars inclined surface over time period

Solar Geometry

Sun position and angles

declination()
Solar declination angle on Mars
Z()
Solar zenith angle
sunrise()
Sunrise time on Mars
sunset()
Sunset time on Mars
T_d()
Number of Mars daylight hours

Day/Night Conditions

Check polar day/night conditions

is_irradiated()
Check if surface is receiving solar irradiance
is_polar_day()
Check if location is experiencing polar day
is_polar_night()
Check if location is experiencing polar night

Atmospheric Effects

Optical depth modeling

optical_depth()
Atmospheric optical depth on Mars

Optimization

Calculate optimal angles

optimal_angle()
Optimal tilt angle for maximum daily insolation

Helper Functions

albedo()
The albedo function.
f()
Normalized net flux function