wiki:EXXparameters

Here are the parameters used to generate sensitivity experiments in Goosse et al., GMD, 2010 and Loutre et al., CP, 2011... or at least what we have in rev. 706 in the EXX!

Variable name Meaning Reference value (rev. 706) Range tested in Goosse and Loutre
BERING Scaling factor in the computation of the Bering Strait throughflow 0.3 idem
TXIFCB Coriolis term in the equation of motion computed in an implicit (=1) or semi-implicit way (=0.5) for the barotropic mode 1. 0.5 or 1
TXIFCU Coriolis term in the equation of motion computed in an implicit (=1) or semi-implicit way (=0.5) for the baroclinic mode 1. 0.5 or 1
AVKB Minimum vertical diffusivity for scalars 1.5E-5 1.E-5 to 2.5E-5
AI Coefficient of isopycnal diffusion 300 200 or 300
AITD Gent-McWilliams thickness diffusion coefficient 300 200 or 300
VCOR Conservation (1) or not (0) of the volume of the ocean, whatever the freshwater forcing applied 1 idem
AMPWIR Scaling coefficient in the longwave radiative scheme 1. 1. to 1.3
AMPEQIR Scaling coefficient in the longwave radiative scheme at the equator (irn=9 to 14) 1.8 1.5 or 1.8
AMPANIR As AMPEQIR but for the Antarctic (irn=23) 0.5 0.7 to 0.9
AMPANIR2 As AMPEQIR but for the Antarctic (irn=1,2,3) 0.5 0.5 to 1.0
EXPIR Exponent in the longwave radiative scheme 0.40 0.33 to 0.5
HPROFTROP Scaling factor to update total precipitable water below 500 mb 1.25 1. to 1.35
HPROFEQ Same as HPROFTROP but for the equator (irn=11 to 12) 1.02 1. to 1.1
HPROFW Same as HPROFTROP but for North high latitudes (irn=19 to 22) and mountains (irn=24 to 27) and South high latitudes (irn=4) 0.85 0.85 to 1.1
HPROFAN Same as HPROFTROP but for Antarctica (irn=23) 0.75 or 1.0 for all Exx.neq.E00
HPROFAN2 Same as HPROFTROP but for South high latitudes (irn=1 to 3) 0.75 or 1.0 for all Exx.neq.E00
CWDRAG Drag coefficient to compute wind stress 2.10E-3 idem
RRDEF1 Relative Rossby radii of deformation, applied in the Rayleigh damping term of the equation of the quasi-geostrophic potential vorticity in the 300–500 hPa layer 0.131 0.12 to 0.131
RRDEF2 Relative Rossby radii of deformation, applied in the Rayleigh damping term of the equation of the quasi-geostrophic potential vorticity in the 500–800 hPa layer 0.071 0.67 to 0.71
CORan Reduction of precipitation in the Atlantic (North) -0.085d0 0 to -0.085 (CORan=CORas)
CORas Reduction of precipitation in the Atlantic (South) -0.085d0 0 to -0.085 (CORan=CORas)
ALBOCEF Albedo of the open ocean modificator (albocef x albsea) 0.95 0.9 to 1.05
ALBIN sea ice: Albedo of melting ice 0.44 0.42 to 0.44 (ALBIN=ALBIS=ALBICE)
ALBIS sea ice: Albedo of melting ice 0.44 0.42 to 0.44 (ALBIN=ALBIS=ALBICE)
ALBICE sea ice: Albedo of melting ice 0.44 0.42 to 0.44 (ALBIN=ALBIS=ALBICE) Only this one is used in the code
ALPHD sea ice: Albedo of snow 0.72 0.7 to 0.72
ALPHDI sea ice: Albedo of ice 0.62 0.6 to 0.62
ALPHS sea ice: Albedo of melting snow 0.53 0.51 to 0.53
CGREN Increase in snow/ice albedo for cloudy conditions 0.04 idem
BUP ??? some kind of SW emission ??? 0.13 idem
Last modified 4 years ago Last modified on 05/23/17 10:08:35