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← GeographyWhich consequence results when ice-albedo feedback amplifies warming?
A)Decreased Equator-to-pole temperature gradient
B)Weakened subtropical jet stream flow✓
C)Strengthened mid-latitude cyclone intensity
D)Increased frequency upwelling events
💡 Explanation
Ice-albedo feedback lowers albedo, increasing absorbed radiation; this reduces the equator-to-pole temperature difference via radiative forcing reduction effect. Therefore, the subtropical jet weakens because it is driven by the atmosphere temperature gradient, rather than increased storm activity resulting from increased baroclinic instability.
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