fetch3.nhl_transpiration.NHL_functions#

NHL transpiration#

This module calculates non-hydrodynamically limited transpiration. This code was ported from FETCH2’s MATLAB code (see Mirfenderesgi et al 2016)

Functions

`calc_Kg`	Calculates the temperature-dependent conductance coefficient.
`calc_LAI_vertical`	Creates vertical leaf area distribution.
`calc_NHL`	Calculate NHL transpiration #TODO make docstring
`calc_NHL_timesteps`	Calls NHL for each timestep in the met data #TODO docstring
`calc_esat`	Calculates the saturation vapor pressure using the Clausius-Clapeyron equation.
`calc_gb`	Calculates the leaf boundary layer conductance and resistance, assuming laminar boundary layer.
`calc_geff`	Calculates the effective leaf conductance.
`calc_gs_Leuning`	Calculates gs according to Leuning 1995
`calc_mixing_length`	Calculates the mixing length for each height in z.
`calc_nighttime_trans`	Modifies transpiration timeseries to set nighttime transpiration to be almost zero
`calc_rad_attenuation`	Calculates the vertical attenuation of radiation through the canopy
`calc_respiration`	Calculates respiration.
`calc_stem_wp_response`	Calculates the restriction for NHL transpiration due to the hydrodynamic effects of xylem water potential.
`calc_transpiration_leaf`	Calculates the water vapor source from the leaf.
`calc_transpiration_nhl`	Calculates transpiration for FETCH3
`calc_vpd_kPa`	Calculates vapor pressure deficit from air temperature and relative humidity.
`calc_zenith_angle`	Calculates the solar zenith angle, based on Campbell & Norman, 1998.
`solve_C_closure`
`solve_Uz`	Solves the momentum equation to calculate the vertical wind profile.
`solve_leaf_physiology`	Calculates photosynthesis and stomatal conductance Uses Leuning model for stomatal conductance
`thomas_tridiagonal`	Thomas algorithm for solving tridiagonal matrix #TODO update docstring
`write_outputs`	Writes NHL outputs to csv files
`write_outputs_netcdf`	Writes model output to netcdf file