In
this and the seven subsequent
slides,
five annual cycles of upper
ocean
variability are illustrated by
imaging
the temperature field
and
superimposing the vertical
coordinate
interfaces and the
mixed
layer base (thick line).
At
the SARG grid point,
variability
in and above the
seasonal
thermocline within the
interior
western subtropical gyre
does
not display long-term climate
drift.
Except for the KPP case,
subtropical
mode water thins
(deeper
water shifts upward) near
the
end of the time interval.