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Friction

code

vertical

horizontal

bottom

AWI

constant, 10 cm2/s

biharmonic, A4=0.5e-21 cm4/s

quadratic, 1.2e-3

GSFC

 Mellor-Yamada 2.5

 Smagorinski

quadratic

 DRAKKAR

 TKE background 1.e-4 m2/s

 Biharmonic  A4 = 1.2e10 m4/s in the Arctic

 Quadratic  1.e-3

ICMMG

constant, 50 cm2/s

neptune

linear

LANL

10 x tracer KPP

biharmonic, A4=1.e20 cm4/s

quadratic, 1.22e-3

LU

neptune, 300 cm2/s

neptune, L=3.5e3 m, A2=5e8 cm2/s

quadratic, 1.2e-3

NERSC

10 x background tracer

laplacian

quadratic

NPS

Pacanowski & Philander

biharmonic, A4=1.e-19 cm4/s

 

NYU

interlayer, 1.e-5 m/s2

laplacian, propto grid space

quadratic

POL

KPP + constant 10cm2/s

neptune + Smagorinsky

none

FEMAO1

Constant 10.0 cm2/s, or Monin-Obukhov > 1.0 cm2/s, or


1.5L turbulence scheme

Neptune+Laplacian, A2=1.e4 m2/s

quadratic, 1.0e-3

FEMAO2

Constant 10.0 cm2/s, or Monin-Obukhov > 1.0 cm2/s, or


1.5L turbulence scheme

Neptune+Laplacian

quadratic, 1.0e-3

INMOM

Kochergin, Monin, Obukhov, 1 cm2/s

biharmonic, A4~1.e-19 cm4/s

quadratic, 2.5e-3

RCO

k-epsilon (Meier, 2001)

laplacian 5.e3 m2/s

quadratic 1.25e-3

UCL

1.5L turbulence scheme

laplacian, A2=4.e4 m2/s

linear, 115day

UW

constant, 0.05 cm2/s

laplacian, A2=1.2e8 cm2/s

none

DAL

 

 

 

FSU

 

 

 

GFDL

 

 

 

IARC-A

constant 1.e-4 m2/s

laplacian, A2=5.e3 m2/s

quadratic, 1.e-3

IARC-B

constant 1.e-4 m2/s

Smagorinsky biharmonic, C=3

quadratic, 1.e-3

ECCO2

5.661e-4 m2/s

modified Leigh (Fox-Kemper & Menemenlis, 2008)

no-slip, quadratic, 2.1e-3

MIT

 

 

 

NCAR

 

 

 

NPI

 

 

 

UMASD

 

 

 

NOCS/ORCA25

TKE+enhanced 1.e-4 m2/s

bi-harmonic (-1.5e-11 m/2s)

quadratic + local enhancement

MCGU

 

 

 

LOCEAN

Gaspar et al., 1990

biharmonic : -8.5e+11

non-linear

IOS

neptune, up to 1 m2/s

neptune, L=3.5e3 m, A2=4.e4 m2/s

quadratic, 1.2e-3