392
Model Type
Geometry
Perturbation to Forcing
Gyre-Thermohaline Circulation
B&C 3D OGCM
box, flat bottom,
-
hemispheric
B&C 3D OGCM
1 sector ocean, flat
var induced by mismatch of
bottom, fixed ACC surface heat flux and heat
storage
3D B&C OGCM
box, Hat bottom,
increase of freshwater flux
hemispheric
B&C 3D OGCM
1 sector ocean, flat
var induced by mismatch of
bottom, fixed ACC surface fluxes
3D OGCM
hemispheric box
-
3D OGCM
hemispheric box
-
SST Anomalies in the Northwest Atlantic
3DA/OGCM
global
-
3D OGCM
hemispheric box
-
Marginal Seas
B&C 3D OGCM
flat N Atlantic and stochastic freshwater flux
Labrador Sea
3D LSG OGCM
global, topography
stochastic freshwater flux
Basin-Scale Thermohaline Circulation
2D, zonally avo OCM
1 sector ocean
stochastic freshwater flux
3DLSG OGCM
global, topography
stochastic freshwater flux
The Southern Ocean-North Atlantic Connection
3DLSG OGCM
Other Mechanisms
2D, zonally averaged
OCM, ice
3D OGCM
3D AGCM, coupled to
LSG OGCM
3D AGCM, dry
global, topography
modified constant or
stochastic freshwater flux
1 sector ocean
-
hemispheric box
-
global
-
global, flat surface
-
Surface Flux
Parameterisation
mixed
no-heat-capacity atm (i.e.
effective restoring time of
1-2 yr), salt flux constant
freshwater flux only, no
thermal forcing
mixed, constant heat or
freshwater fluxes
mixed
mixed
coupled, flux correction
constant heat flux, mixed
or zero heat capacity atm.
mixed
mixed
mixed
mixed
mixed
mixed
mixed
coupled, flux correction
surface energy balance
Table 1: Internal variability found in various numerical models ordered ...