Figure-4 Longitude profile for Case A conditions with oxygen depleted zones shaded.

Figure Four

Water Mass Designations.

EQW = Equatorial water; SSW = Shelf sea water; STW = Sub-tropical water; SMW = Salinity maximum water;
HWLa = High latitude water for Case A conditions; HWLb = High latitude water for Case B conditions;
IW = Intermediate water; SMBW = Salinity maximum bottom water; MW = Mediterranean water