The function estimates longwave (thermal) radiation (W) absorbed from the sky and the ground (Campbell and Norman 1998; Riddell et al. 2018) .
Qthermal_radiation_absorbed(
T_a,
T_g,
epsilon_ground = 0.97,
a_longwave = 0.965
)numeric air temperature (C).
numeric ground temperature (C).
numeric emissivity (proportion) for more soil types (Campbell and Norman 1998)
.
numeric absorptance (proportion) of organism to longwave radiation (Bartlett and Gates 1967; Buckley 2008)
.
numeric thermal radiation absorbed (W).
Bartlett PN, Gates DM (1967).
“The energy budget of a lizard on a tree trunk.”
Ecology, 48, 316-322.
Buckley LB (2008).
“Linking traits to energetics and population dynamics to predict lizard ranges in changing environments.”
American Naturalist, 171(1), E1 - E19.
doi:10.1086/523949
, https://pubmed.ncbi.nlm.nih.gov/18171140/.
Campbell GS, Norman JM (1998).
Introduction to environmental biophysics, 2nd ed. edition.
Springer, New York.
ISBN 0387949372.
Riddell EA, Odom JP, Damm JD, Sears MW (2018).
“Plasticity reveals hidden resistance to extinction under climate change in the global hotspot of salamander diversity.”
Science Advances, 4(4).
doi:10.1126/sciadv.aar5471
.
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(),
Reynolds_number(),
T_sky(),
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()
Qthermal_radiation_absorbed(T_a = 20,
T_g = 25,
epsilon_ground = 0.97,
a_longwave = 0.965)
#> [1] 372.4115