6.1.2. Namelist NAM_SURF_ATM


Fortran name Fortran type values default value
XCISMIN real 6.7E-5
XVMODMIN real 0.
LALDTHRES logical F
LDRAG_COEF_ARP logical F
LALDZ0H logical F
LNOSOF logical T
LCPL_GCM logical F
XEDB real 5.
XEDC real 5.
XEDD real 5.
XEDK real 1.
XUSURIC real 1.
XUSURID real 0.035
XUSURICL real 4.
XVCHRNK real 0.015
XVZ0CM real 0.0
XRIMAX real 0.2
XDELTA_MAX real 1.0
LVZIUSTAR0_ARP logical F
LRRGUST_ARP logical F
XVZIUSTAR0 real 0.
XRZHZ0M real 1.
XRRSCALE real 1.15E-4
XRRGAMMA real 0.8
XUTILGUST real 0.125
LCPL_ARP logical F
LQVNPLUS logical F
LVERTSHIFT logical F
LVSHIFT_LW logical F
LVSHIFT_PRCP logical F
XCO2UNCPL real 'none'

  • LALDTHRES: flag to set a minimum wind and shear like done in Aladin model.
  • XCISMIN: minimum wind shear to compute turbulent exchange coefficient (used only if LALDTHRES)
  • XVMODMIN: minimum wind speed to compute turbulent exchange coefficient (used only if LALDTHRES)
  • LDRAG_COEF_ARP: to use drag coefficient computed like in Arpege/Aladin models
  • LALDZ0H: to take into account orography in heat roughness length
  • LNOSOF: no parameterization of subgrid orography effects on atmospheric forcing
  • LCPL_GCM: flag used to red/write precipitation forcing from/into the erstart file for ARPEGE/ALADIN run
  • XEDB, XEDC, XEDD, XEDK: coefficients used in Richardson critical numbers computation
  • XUSURIC, XUSURID, XUSURICL: Richardson critical numbers
  • XVCHRNK, XVZ0CM: Charnock's constant and minimal neutral roughness length over sea (formulation of roughness length over sea)
  • XRIMAX: limitation of Richardson number in drag computation
  • XDELTA_MAX: maximum fraction of the foliage covered by intercepted water for high vegetation
  • LVZIUSTAR0_ARP: flag to activate aladin formulation for zoh over sea
  • LRRGUST_ARP: flag to activate the correction of CD, CH, CDN due to moist gustiness
  • XVZIUSTAR0: aladin formulation for zoh over sea
  • XRZHZ0M: aladin formulation for zoh over sea
  • XRRSCALE: aladin formulation for zoh over sea
  • XRRGAMMA: aladin formulation for zoh over sea
  • XUTILGUST: correction of CD, CH, CDN due to moist gustiness
  • LCPL_ARP: activate aladin formulation for Cp and L
  • LQVNPLUS: An option for the resolution of the surface temperature equation (Arpege)
  • LVERTSHIFT : vertical shifth from atmospheric orography to surface orography
  • LVSHIFT_LW : flag to activate/deactivate vertical shift for LongWave radiations
  • LVSHIFT_PRCP : flag to activate/deactivate vertical shift for Precip
  • XCO2UNCPL : key for decoupling between CO2 employed for photosynthesis and radiative CO2 (in ppmv).

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