16.3. Comparison of ROMS and CROCO versionsΒΆ
Models |
CROCO |
ROMS-UCLA |
ROMS-Rutgers / COASWT |
---|---|---|---|
Origin |
UCLA-IRD-INRIA-
IFREMER-SHOM-CNRS
|
UCLA |
UCLA-Rutgers-USGS |
Maintenance |
IRD-INRIA-IFREMER-
SHOM-CNRS
|
UCLA |
Rutgers-USGS |
Realm |
Europe-World |
US West Coast |
US East Coast |
Introductory year |
1999 (AGRIF)
2016 (CROCO)
|
2002 |
1998 |
CODE FEATURES
Models |
CROCO |
ROMS-UCLA |
ROMS-Rutgers / COASWT |
---|---|---|---|
Parallelization |
MPI or OpenMP
(Hybrid branch
exists)
|
Hybrid MPI-OpenMP
|
MPI or OpenMP |
Nesting |
Online
at barotropic level
|
Off-line (On-line at
baroclinic level and
not yet operational)
|
Off-line |
Data assimilation |
3DVAR |
3DVAR |
4DVAR |
Wave-current interact. |
McWilliams et al. 2004 |
McWilliams et al. 2004 |
Mellor (2003) and Mc-
Williams et al. (2004)
|
Air-sea coupling |
OASIS-MCT |
Home made |
MCT |
Sediment Dynamics |
Blaas et al. (2007),
MUSTANG
|
Blaas et al. (2007) |
Blaas et al. (2007),
Warner et al. (2008)
|
Biogeochemistry |
NPZD Gruber et al.
(2006), PISCES
|
NPZD Gruber et al.
(2006)
|
EcoSim, NEMURO,
NPZD Franks,
NPZD Powell, Fennel
|
Sea ice |
none |
none |
Budgell (2005) |
Vertical mixing |
KPP, GLS |
KPP, GLS |
KPP, GLS |
Wetting-Drying |
Warner et al. (2013) |
none |
Warner et al. (2013) |
TIME STEPPING
Models |
CROCO |
ROMS-UCLA |
ROMS-Rutgers / COASWT |
---|---|---|---|
2D momentum |
Generalized FB AB3-AM4 |
Generalized FB AB3-AM4 |
LF-AM3 with FB feedback |
3D momentum |
LF-AM3 |
LF-AM3 |
AB3 |
Tracers |
LF-AM3 with stabi
lizing
correction for iso-
pycnal hyperdiffusion
|
LF-AM3 with stabi
lizing
correction for iso-
pycnal hyperdiffusion
|
LF-TR with explicit
geopotential diffusion
(no stabilizing cor-
rection: strong stabil
ity
constraint)
|
Internal waves |
LF-AM3 with FB feedback |
LF-AM3 with FB feedback |
Generalized FB (AB3-TR) |
Coupling stage |
Predictor |
Corrector |
STABILITY CONSTRAINTS (Max Courant number)
Models |
CROCO |
ROMS-UCLA |
ROMS-Rutgers / COASWT |
---|---|---|---|
2D |
1.78 |
1.78 |
1.85 |
3D advection |
1.58 |
1.58 |
0.72 |
Coriolis |
1.58 |
1.58 |
0.72 |
Internal waves |
1.85 |
1.85 |
1.14 |