Equatorial ocean circulation
247
(a)
(b)
Figure 11.6. Temperature in C
◦ (a) and salinity in psu (b) along a meridional section at 155
◦ W
in the Pacific (from Wyrtki and Koblinksky (1984)).
+A H
∂ 2 v ∗
∂x 2
∗
+
∂ 2 v ∗
∂y 2
∗
+ A V
∂ 2 v ∗
∂z 2
∗
,
(11.1b)
∂p ∗
∂z ∗
= −ρg,
(11.1c)
∂w ∗
∂z ∗
+
∂v ∗
∂y ∗
+
∂u ∗
∂x ∗
=0 ,
(11.1d)
with
D
dt ∗
=
∂
∂t ∗
+ u ∗
∂
∂x ∗
+ v ∗
∂
∂y ∗
+ w ∗
∂
∂z ∗
.
The dimensional boundary conditions at the ocean-atmosphere interface, described by z ∗ = η ∗ , are of the form
p ∗ = p a∗ ,
(11.2a)
ρA V
∂u ∗
∂z ∗
= τ
x
∗ ,
(11.2b)