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Unformatted text preview: flow poleward. At the poles, convergent air would descenddiverge at the surface, and flow toward the equator. RESULTANT WIND PATTERNS Surface winds and windless zones Winds are named according to wind direction. o From equator, moist air rises towards both poles o 30 N and S, dry air sinking o 60 N and S, moist air rises towards both poles o 90 N and S, dry air sinking NANSENS DISCOVERIES No arctic continent Continuous trans-Arctic current Early evidence for thermohaline circulation: water with Atlantic Ocean FRANKLINS 1786 MAP OF THE GULF STREAM Based on ships logs: travel times between America and Europe....
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- Spring '08