proportion_diffuse_solar_radiation {TrenchR} | R Documentation |
The function estimates the ratio of diffuse to direct solar radiation based on the approximation of the SOLRAD model (McCullough and Porter 1971) described in Tracy et al. (1983).
proportion_diffuse_solar_radiation(psi, p_a, rho)
psi |
|
p_a |
|
rho |
|
numeric
diffuse fraction.
McCullough EC, Porter WP (1971).
“Computing Clear Day Solar Radiation Spectra for the Terrestrial Ecological Environment.”
Ecology, 52(6), 1008-1015.
doi: 10.2307/1933806.
Tracy CR, Hammond KA, Lechleitner RA, II WJS, Thompson DB, Whicker AD, Williamson SC (1983).
“Estimating clear-day solar radiation: an evaluation of three models.”
Journal of Thermal Biology, 8(3), 247-251.
doi: 10.1016/0306-4565(83)90003-7.
Other microclimate functions:
air_temp_profile_neutral()
,
air_temp_profile_segment()
,
air_temp_profile()
,
degree_days()
,
direct_solar_radiation()
,
diurnal_radiation_variation()
,
diurnal_temp_variation_sineexp()
,
diurnal_temp_variation_sinesqrt()
,
diurnal_temp_variation_sine()
,
monthly_solar_radiation()
,
partition_solar_radiation()
,
solar_radiation()
,
surface_roughness()
,
wind_speed_profile_neutral()
,
wind_speed_profile_segment()
proportion_diffuse_solar_radiation(psi = 60,
p_a = 86.1,
rho = 0.25)