H_obh: Daily beam insolation at top of Mars atmosphere
Description
Calculates the solar beam energy over a full Martian day on a horizontal surface at the top
of the Martian atmosphere (before atmospheric attenuation). Implements Equation 13 from
Appelbaum & Flood (1990).
Usage
H_obh(Ls, phi)
Value
Daily beam insolation at top of atmosphere [Wh/m²-day]