mo_pet.f90 File Reference

Module for calculating reference/potential evapotranspiration [mm d-1]. More...

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Modules
module	mo_pet
	Module for calculating reference/potential evapotranspiration [mm d-1].

Functions/Subroutines
elemental pure real(dp) function, public	mo_pet::pet_hargreaves (harsamcoeff, harsamconst, tavg, tmax, tmin, latitude, doy)
	Reference Evapotranspiration after Hargreaves.
elemental pure real(dp) function, public	mo_pet::pet_priestly (prietayparam, rn, tavg)
	Reference Evapotranspiration after Priestly-Taylor.
elemental pure real(dp) function, public	mo_pet::pet_penman (net_rad, tavg, act_vap_pressure, aerodyn_resistance, bulksurface_resistance, a_s, a_sh)
	Reference Evapotranspiration after Penman-Monteith.
elemental pure real(dp) function, public	mo_pet::extraterr_rad_approx (doy, latitude)
	Approximation of extraterrestrial radiation.
elemental pure real(dp) function, public	mo_pet::slope_satpressure (tavg)
	slope of saturation vapour pressure curve
elemental pure real(dp) function, public	mo_pet::sat_vap_pressure (tavg)
	calculation of the saturation vapour pressure

Detailed Description

Module for calculating reference/potential evapotranspiration [mm d-1].

This module calculates PET [mm/d] based on one of the methods

• Hargreaves-Samani (1982)
• Priestly-Taylor (1972)
• Penman-Monteith FAO (1998)

  Authors

  Matthias Zink, Christoph Schneider, Matthias Cuntz

  Date

  Apr 2014

  Copyright

  Copyright 2005-2024, the mHM Developers, Luis Samaniego, Sabine Attinger: All rights reserved. mHM is released under the LGPLv3+ license
  
  The UFZ(CHS) mesoscale hydrologic model mHM is free software. You can redistribute it and/or modify it under the terms of the GNU General Public License as published by the free Software Foundation either version 3 of the License, or (at your option) any later version.
  
  This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
  
  You received a copy of the GNU Lesser General Public License along with the UFZ CHS mesoscale hydrologic model mHM. It can be found in the files COPYING and COPYING.LESSER provided with this software. The complete GNU license text can also be found at http://www.gnu.org/licenses/.

Definition in file mo_pet.f90.