T_sky {TrenchR}

Effective radiant temperature of sky (K)

Description

This function estimates the effective radiant temperature of the sky (K) using either the Brunt or Swinbank formulations (Gates 1980).

Usage

T_sky(T_a, formula)

Arguments

T_a

numeric ambient air temperature (K)

formula

character Formula to use, current choices are: "Brunt", "Swinbank".

Value

numeric T_sky (K).

References

Gates DM (1980). Biophysical Ecology. Springer-Verlag, New York, NY, USA.

See Also

Other biophysical models: Grashof_number_Gates(), Grashof_number(), Nusselt_from_Grashof(), Nusselt_from_Reynolds(), Nusselt_number(), Prandtl_number(), Qconduction_animal(), Qconduction_substrate(), Qconvection(), Qemitted_thermal_radiation(), Qevaporation(), Qmetabolism_from_mass_temp(), Qmetabolism_from_mass(), Qnet_Gates(), Qradiation_absorbed(), Qthermal_radiation_absorbed(), Reynolds_number(), Tb_CampbellNorman(), Tb_Gates2(), Tb_Gates(), Tb_butterfly(), Tb_grasshopper(), Tb_limpetBH(), Tb_limpet(), Tb_lizard_Fei(), Tb_lizard(), Tb_mussel(), Tb_salamander_humid(), Tb_snail(), Tbed_mussel(), Tsoil(), actual_vapor_pressure(), boundary_layer_resistance(), external_resistance_to_water_vapor_transfer(), free_or_forced_convection(), heat_transfer_coefficient_approximation(), heat_transfer_coefficient_simple(), heat_transfer_coefficient(), saturation_vapor_pressure(), saturation_water_vapor_pressure()

Examples

  T_sky(T_a=293, formula="Swinbank")