pyet.meteo_utils

The meteo_utils module contains utility functions for meteorological data.

Functions

calc_e0	Saturation vapor pressure at the air temperature T [kPa].
calc_ea	Actual vapor pressure [kPa].
calc_es	Saturation vapor pressure [kPa].
calc_laieff	Effective leaf area index [-].
calc_lambda	Latent Heat of Vaporization [MJ kg-1].
calc_press	Atmospheric pressure [kPa].
calc_psy	Psychrometric constant [kPa °C-1].
calc_res_aero	Aerodynamic resistance [s m-1].
calc_res_surf	Surface resistance [s m-1].
calc_rho	Atmospheric air density calculated according to Allen et al. (1998).
calc_vpc	Slope of saturation vapour pressure curve at air Temperature [kPa °C-1].
day_of_year	Day of the year (1-365) based on pandas.Index.
daylight_hours	Daylight hours [hour].
extraterrestrial_r	Extraterrestrial daily radiation [MJ m-2 d-1].
relative_distance	Inverse relative distance between earth and sun from day of the year.
solar_declination	Solar declination from day of year [rad].
sunset_angle	Sunset hour angle from latitude and solar declination - daily [rad].