Tb_Gates2 {TrenchR}

Operative Environmental Temperature of an Ectotherm Based on a Variant of Gates (1980)

Description

The function predicts body temperatures (C, operative environmental temperature) of an ectotherm using the approximation in Gates (1980). The function omits evaporative and metabolic heat loss.

Usage

Tb_Gates2(A, D, T_g, T_a, Qabs, u, epsilon)

Arguments

A

numeric surface area (m²).

D

numeric characteristic dimension for conduction (meters).

T_g

numeric ground surface temperature (C).

T_a

numeric ambient air temperature (C).

Qabs

numeric Solar radiation absorbed (W).

u

numeric Wind speed (m s^-1).

epsilon

numeric longwave infrared emissivity of skin (proportion), 0.95 to 1 for most animals (Gates 1980).

Value

numeric operative environmental temperature (C).

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(), T_sky(), Tb_CampbellNorman(), 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

  Tb_Gates2(A       = 1, 
            D       = 0.001, 
            T_g     = 27, 
            T_a     = 37, 
            Qabs    = 2, 
            u       = 0.1, 
            epsilon = 1)