Please answer all parts for this question correctly. Next, let’s try this in the
ID: 291776 • Letter: P
Question
Please answer all parts for this question correctly.
Next, let’s try this in the southern hemisphere. Start with the same shear stress field, but make the latitude at the center of the map be -30° (and make the latitude grow less negative toward the top of your map (the +y half) and more negative toward the bottom.
6. How does the pattern of Ekman transport in this case compare with the one in the northern hemisphere?
7. How does the pattern of Ekman pumping in this case compare with the one in the northern hemisphere?
shear stresses map 1.5 0.5 0.5 -1 1.5 0.5 0.5 X-axis 1.5 1111" .---??? .????? ,-???? 111" ?1111" .---??? 111, sixe-AExplanation / Answer
Earth rotates, the shallow layer of surface water set in motion by the wind is deflected to the right of the wind direction in the Northern Hemisphere and to the left of the wind direction in the Southern Hemisphere. This deflection is known as the Coriolis effect. Except at the equator, where the Coriolis effect is zero, each layer of water put into motion by the layer above shifts direction because of Earth's rotation.
In addition to interior flows created from Ekman pumping or other external sources of vorticity, there are free, unforced modes of circulation, as shown by Fofonoff (1954), in a model with no wind input and no friction This type of circulation is called an “inertial circulation”. Without an external vorticity input, the interior flow is exactly zonal (east-west), because there is no way to change its planetary vorticity.
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