> +++ ane 94 us a 
If we separate the real part | of VA N62 ae from (he imaginary 
part Al » we have 
eae — 
ee 
NO OR ee ee my | 
iP. [Axe g = |vAtert * 
0 en mee 
ree 
A“ 2 2) & Sent danke rn aed sae 
(20) 
wes the real part of vier ee eM Ae is always pres iter ‘jnan 7T . 
Tit. Reintion between the Wind Stress and the Slope | | of | bs Weter Surface. 
Now Jt may be shown that we can establish a definite relation between 
the wind siress and the slope of the water surface. In 4 steady state we 
have no vertical motion of water on the surface of the sta. So we have 
vin ates Up = a 
since the vert cal velocity always vanishes on the bottem. Integrating 
aw equation of contimity (2) with respeet to ie fror the surface down 
to the bottom, we heve 
Thig means that the ‘ntegral ud y is independent »f 7% , or there- 
fs) he 
fore a constant. Buy as this integral must vanich along the coast or for 
Y¥= ODO 9» we must have 
Fa 
ai 
aes 
(21) 
