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El Nino

El Nino. El Nino. El Niño is a disruption of the ocean-atmosphere system in the tropical Pacific. OCEAN SURFACE CURRENTS. Trade Winds. Surface Temperatures. Normal. El Nino. La Nina. 1993 Normal. 1997 El Nino. 1998 La Nina. Comparison. UPWELLING. WARM NUTRIENT DEPLETED.

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El Nino

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  1. El Nino El Nino El Niño is a disruption of the ocean-atmosphere system in the tropical Pacific.

  2. OCEAN SURFACE CURRENTS Trade Winds

  3. Surface Temperatures Normal El Nino La Nina

  4. 1993 Normal

  5. 1997 El Nino

  6. 1998 La Nina

  7. Comparison

  8. UPWELLING WARM NUTRIENT DEPLETED PHYTOPLANKTON SOUTH AMERICA COLD NUTRIENT RICH

  9. ENERGY PYRAMIDGALAPAGOS ISLANDS $ GUANO ( NITRATES ) BIRDS BIG FISH FISHING ANCHOVIES SMALL FISH ZOOPLANKTON PHYTOPLANKTON

  10. El Nino – Causes ??? Slowing of the Trade Winds Global Warming

  11. El Nino - Immediate Effects ?? • Slowing of the Equatorial Currents. • Warm water remaining in the eastern Pacific. • Less Humidity in the western Pacific. • Eastern Pacific coastlines receive increased rain. • Western Pacific areas receive less rain (drought). • Upwelling is slowed.

  12. El Nino - Secondary Effects ??

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