farms.farms_dni.Pice

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farms.farms_dni.Pice#

Pice(Z, tau, De)[source]#

Compute cloud transmittance for ice clouds The defination and use of the transmittance can be found in

Xie et al. (2020)

The cloud transmittance is parameterized by Yang et al. (2022)

All arrays should have the same shape (n_times) or (n_times, n_lats, n_lons)

Parameters:

  • Z (np.ndarray) – solar zenith angle (degree).

  • tau (np.ndarray) – Cloud optical thickness (cld_opd_dcomp) (unitless).

  • De (np.ndarray) – Effective cloud particle size (diameter, micron).

Returns:

Tddcld (np.ndarray) – Cloud transmittance of DNI for the cloud

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