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The Alaska Current: A Northward Warm-Water Current Along the British Columbia Coast

The Alaska Current is a significant northward warm-water current flowing along the coast of British Columbia and the Alaska Panhandle. Its characteristics include surface temperatures over 4°C, surface salinities below 32.6 pps, and a volume transport of 10-15 Sverdrup. Wind forcing plays a crucial role in influencing the formation of eddies, driven by factors like downwelling and ENSO. Eddies off the Queen Charlotte Islands are particularly notable. Explore more about this dynamic current!

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The Alaska Current: A Northward Warm-Water Current Along the British Columbia Coast

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Presentation Transcript

  1. Alaska CurrentXia Yang

  2. Alaska Current The Alaska Current is a northward warm-water current along the coast of British Columbia and the Alaska Panhandle.

  3. Cause of Alaska Current

  4. Characteristics • northward eastern boundary current • Surface Temperatures >4° C • surface salinities <32.6 pps • volume transport: 10-15 Sverdrup • affected by winds and precipitation • wind forcing is a factor that influences the formation of eddies

  5. Eddies • Driven factor: • Wind forces • downwelling • ENSO Eddies off the Queen Charlotte Islands (NASA, 2002)

  6. Nutrients

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