# Tools for Microclimate and Biophysical Ecology

## Documentation for package ‘TrenchR’ version 1.2.1

- 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