m_modmet_cloud_fraction Module

Estimates cloud fraction from measured global radiation and solar geometry. Reference: KNMI WR 83-4 cloud-cover parameterization.


Used by

  • module~~m_modmet_cloud_fraction~~UsedByGraph module~m_modmet_cloud_fraction m_modmet_cloud_fraction module~modmet modmet module~modmet->module~m_modmet_cloud_fraction

Functions

public function modmet_cloud_fraction(lat, lon, jcm2, mt, dy, hr) result(cloud_fraction)

Arguments

Type IntentOptional Attributes Name
real, intent(in) :: lat

latitude [degrees]
real, intent(in) :: lon

longitude [degrees]
real, intent(in) :: jcm2

global radiation [J/cm^2]
integer, intent(in) :: mt

month [1..12]
integer, intent(in) :: dy

day [1..31]
integer, intent(in) :: hr

hour [0..23]

Return Value real

estimated cloud fraction [0..1] or -999.0