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The Gulf Stream
• Gulf Stream is a western boundary current
• Important contributor to poleward heat transport & the climate of Europe
• Also important as a trade route & for animal migrations
• Early maps determined by dead reckoning
Western Boundary Currents
• WBC’s are found in all subtropical gyres
– Gulf Stream, Brazil Current, Kurishio
• Creates asymmetric gyres
• WBC’s have need to “rub up” to continent
• Again, a boundary layer