Which geophysical effect results from weakened trade winds in the equatorial Pacific Ocean during El Niño?

💡 Explanation

When trade winds weaken, El Niño conditions develop because the westward transport of surface water declines, reducing upwelling of cold, nutrient-rich water along the South American coast. Therefore reduced upwelling occurs, rather than current intensification, cyclone formation, or ice sheet melting, which involve different triggers and ocean regions.

• Which consequence results when polar winds experience deflection?
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• Which atmospheric effect amplifies surface temperature increase strongest with decreasing albedo?
• Which outcome occurs when rapid differential heating amplifies the thermal effect within a stationary air mass?
• Which atmospheric change occurs when increased polar ice melt disrupts the Hadley Cell?
• Which mechanism initiates liquefaction during an earthquake when seismic waves propagate through saturated soil?