subgrid_z_proc()

subroutine gfdl_cloud_microphys_mod::subgrid_z_proc ( integer, intent(in)  ktop, integer, intent(in)  kbot, real, dimension (ktop:kbot), intent(in)  p1, real, dimension (ktop:kbot), intent(in)  den, real, dimension (ktop:kbot), intent(in)  denfac, real, intent(in)  dts, real, intent(in)  rh_adj, real, dimension (ktop:kbot), intent(inout)  tz, real, dimension (ktop:kbot), intent(inout)  qv, real, dimension (ktop:kbot), intent(inout)  ql, real, dimension (ktop:kbot), intent(inout)  qr, real, dimension (ktop:kbot), intent(inout)  qi, real, dimension (ktop:kbot), intent(inout)  qs, real, dimension (ktop:kbot), intent(inout)  qg, real, dimension (ktop:kbot), intent(inout)  qa, real, intent(in)  h_var, real, intent(in)  rh_rain  )

private

GFDL Cloud subgrid_z_proc General Algorithm

• Define conversion scalar/factor.
• Define heat capacity and latend heat coefficient.
• Instant deposit all water vapor to cloud ice when temperature is super low.
• Update heat capacity and latend heat coefficient.
• Instant evaporation/sublimation of all clouds if rh < rh_adj \(\rightarrow\) cloud free.
• cloud water \(\Leftrightarrow\) vapor adjustment:
• Update heat capacity and latend heat coefficient.
• Enforce complete freezing below \(-48^oC\).
• Update heat capacity and latend heat coefficient.
• Apply Bigg mechanism.
• Update capacity heat and latend heat coefficient.
• Sublimation/deposition of ice.
• Update capacity heat and latend heat coefficient.
• Sublimation/deposition of snow.
• Update capacity heat and latend heat coefficient.
• Simplified 2-way grapuel sublimation-deposition mechanism.
• Update capacity heat and latend heat coefficient.
• Minimum evap of rain in dry environmental air.
• Update capacity heat and latend heat coefficient.
• Combine water species.
• Use the "liquid-frozen water temperature" (tin) to compute saturated specific humidity.
• Compute cloud fraction, assuming subgrid linear distribution in horizontal; this is effectively a smoother for the binary cloud scheme.

References wqs1().

Referenced by icloud().

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