GEOLOGY 103 Midterm: Exam 3 Study Guide
31 Mar 2017
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The motion of the ocean and the transfer of energy. Lecture 9: wind driven ocean circulation (132-135: what is the ekman spiral and ekman transport? (lecture notes and p. 138) Ekman spiral: there is a curve of 45 to the right in the northern hemisphere and to the left in the. Velocity decreases with depth (due to friction) and velocity spirals with depth. Northern and southern hemispheres? (lecture notes and fig. 0 n/s, 30 n/s, 60 n/s, 90 n/s due to the coriolis effect: how do these areas of convergence and divergence relate to regions of upwelling and downwelling (see lecture notes and pp. Downwelling occurs where water is converging (piling up) and upwelling where water is divergent (moving apart: what is an ocean gyre and where are the 5 primary ocean gyres located on earth? (see lecture notes and pp.
