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Unformatted text preview: 9) See diagram in book or notes for reference. They should label the California current and show upwelling off U.S. coast. 10) NADW is formed by transport of warm, high salinity water north by Gulfstream. Water cools as it moves to higher latitude making dense (high salt, low T) water off coast of Greenland that sinks. If Greenland ice sheet melts rapidly the water becomes less saline and less dense. This will retard NADW formation. 11) The magnetic striping is due to the mid-ocean ridges continually making new basaltic rock on the ocean floor. As the magma from the ride cools it takes on the orientation of the Earths magnetic field and then solidifies. Periodically the magnetic poles switch polarity leading to the banding along the ocean floor. 12) a) 3 or 5 b) 1 c) 8 d) 5 e) 4 or 2 f) 7 g) 3,5, or 7 h) 6...
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- Fall '08