Tools for Microclimate and Biophysical Ecology

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Documentation for package ‘TrenchR’ version 1.1.1

• DESCRIPTION file.
• User guides, package vignettes and other documentation.
• Package NEWS.

Help Pages

actual_vapor_pressure	Actual Vapor Pressure from Dewpoint Temperature
airpressure_from_elev	Air Pressure from Elevation
air_temp_profile	Air Temperature Profile using MICRO Routine
air_temp_profile_neutral	Air Temperature at a Specified Height Under Neutral Conditions
air_temp_profile_segment	Air Temperature at a Specified Height
angle conversions	Convert Angles Between Radians and Degrees
azimuth_angle	Azimuth Angle
boundary_layer_resistance	Boundary Layer Resistance
celsius_to_kelvin	Convert Among Temperature Scales
constants	General Use Constants
daylength	Day Length
day_of_year	Calendar Day from Date
dec_angle	Solar Declination in Radians
degrees_to_radians	Convert Angles Between Radians and Degrees
degree_days	Degree Days
direct_solar_radiation	Direct Solar Radiation
diurnal_radiation_variation	Hourly Solar Radiation
diurnal_temp_variation_sine	Hourly Temperature Variation assuming a Sine Interpolation
diurnal_temp_variation_sineexp	Hourly Temperature Variation assuming Sine and Exponential Components
diurnal_temp_variation_sinesqrt	Hourly Temperature Variation using Sine and Square Root Functions
DRYAIR	Properties of Dry Air
external_resistance_to_water_vapor_transfer	External Resistance to Water Vapor Transfer
fahrenheit_to_celsius	Convert Among Temperature Scales
fahrenheit_to_kelvin	Convert Among Temperature Scales
free_or_forced_convection	Determine if Convection is Free or Forced
Grashof_number	Grashof Number
Grashof_number_Gates	Grashof Number as in Gates (1980)
heat_transfer_coefficient	Estimate the Heat Transfer Coefficient Empirically
heat_transfer_coefficient_approximation	Estimate the Heat Transfer Coefficient Using a Spherical Approximation
heat_transfer_coefficient_simple	Estimate the Heat Transfer Coefficient using Simple Relationships
kelvin_to_celsius	Convert Among Temperature Scales
latent_heat_vaporization_h2o	General Use Constants
mass_from_length	Organism Mass from Length
monthly_solar_radiation	Average Monthly Solar Radiation
Nusselt_from_Grashof	Nusselt Number from the Grashof Number
Nusselt_from_Reynolds	Nusselt Number from the Reynolds Number
Nusselt_number	Nusselt Number
partition_solar_radiation	Diffuse Fraction for Partitioning Solar Radiation
Prandtl_number	Prandtl Number
proportion_diffuse_solar_radiation	Ratio of Diffuse to Direct Solar Radiation
proportion_silhouette_area	Organism Silhouette Area
proportion_silhouette_area_shapes	Organism Silhouette Area using Shape Approximations
Qconduction_animal	Conductance Assuming Animal Thermal Conductivity is Rate Limiting
Qconduction_substrate	Conductance Assuming Substrate Thermal Conductivity is Rate Limiting
Qconvection	Organismal Convection
Qemitted_thermal_radiation	Emitted Thermal Radiation
Qevaporation	Heat Loss Associated with Evaporative Water Loss
Qmetabolism_from_mass	Metabolism as a Function of Mass
Qmetabolism_from_mass_temp	Metabolism as a Function of Mass and Body Temperature
Qnet_Gates	Net Energy Exchange Between an Animal and the Environment
Qradiation_absorbed	Absorbed Solar and Thermal Radiation
Qthermal_radiation_absorbed	Absorbed Thermal Radiation
radians_to_degrees	Convert Angles Between Radians and Degrees
Reynolds_number	Reynolds Number
saturation_vapor_pressure	Saturation Vapor Pressure
saturation_water_vapor_pressure	Saturation Water Vapor Pressure
soil_conductivity	Soil Thermal Conductivity
soil_specific_heat	Soil Specific Heat
soil_temperature	Calculate Soil Temperature using ODEs
soil_temperature_equation	Core Function Called to Solve Equation for Soil Temperature
soil_temperature_function	Core Function for Calculating Soil Temperature
soil_temperature_integrand	Solve Equation for Soil Temperature
solar_noon	Time of Solar Noon
solar_radiation	Estimate the Three Components of Solar Radiation (Direct, Diffuse and Reflected)
specific_heat_h2o	General Use Constants
stefan_boltzmann_constant	General Use Constants
surface_area_from_length	Organism Surface Area from Length
surface_area_from_mass	Organism Surface Area from Mass
surface_area_from_volume	Organism Surface Area from Volume
surface_roughness	Surface Roughness from Empirical Measurements
Tbed_mussel	Operative Environmental Temperature of a Mussel Bed
Tb_butterfly	Operative Environmental Temperature of a Butterfly
Tb_CampbellNorman	Operative Environmental Temperature of an Ectotherm based on Campbell and Norman (1988)
Tb_Gates	Operative Environmental Temperature of an Ectotherm Based on Gates (1980)
Tb_Gates2	Operative Environmental Temperature of an Ectotherm Based on a Variant of Gates (1980)
Tb_grasshopper	Operative Environmental Temperature of a Grasshopper
Tb_limpet	Operative Environmental Temperature of a Limpet
Tb_limpetBH	Operative Environmental Temperature of a Limpet Based on a Model by Helmuth
Tb_lizard	Operative Environmental Temperature of a Lizard
Tb_lizard_Fei	Operative Temperature of a Lizard Using Fei et al. (2012)
Tb_mussel	Operative Environmental Temperature of a Mussel
Tb_salamander_humid	Humid Operative Environmental Temperature of a Salamander
Tb_snail	Operative Environmental Temperature of a Marine Snail
temperature conversions	Convert Among Temperature Scales
TPC	Gaussian-Quadratic Function Thermal Performance Curve
TPC_beta	Beta Function Thermal Performance Curve
Tsoil	Approximate Soil Temperature
T_sky	Effective radiant temperature of sky (K)
VAPPRS	Saturation Vapor Pressure
volume_from_length	Organism Volume from Length
von_karman_constant	General Use Constants
WETAIR	Properties of Wet Air
wind_speed_profile_neutral	Wind Speed at a Specific Height Under Neutral Conditions
wind_speed_profile_segment	Wind Speed at a Specified Height
zenith_angle	Zenith Angle