WindStress C url Chelton et al 2004 Ekman Pumping due to WindStress Curl Blue regions Ekman pumping wind curl is negative in northern hemisphere and positive in southern hemisphere leading to Ekman ID: 606413
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Slide1
Wind-Stress
Wind-Stress
C
url (
Chelton
et al., 2004)Slide2
Ekman Pumping due to Wind-Stress Curl
Blue regions: Ekman
pumping (wind curl is
negative
in northern hemisphere and
positive in southern hemisphere, leading to Ekman convergence)Yellow-red regions: Ekman suction (vice versa)
Ekman transport
convergence
=
downwelling
= “Ekman
pumping
”
Ekman transport
divergence
=
upwelling
= “Ekman
suction
”Slide3
Depth
-integrated Sverdrup transport applied globally using the wind stress from
Hellerman
and Rosenstein (1983). Contour interval is 10
Sverdrups
. From Tomczak and Godfrey (1994).Slide4
v
(y) = -1/(r
0
b
0
H) ∂yt(x)
t
(x
)
=
t
(x)(y)
3-D Sketch of
Sverdrup Balance