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← GeographyWhich mechanism drives northward heat dispersion when thermohaline circulation weakens in Atlantic?
A)Increased tropospheric jet stream instability
B)Amplified meridional temperature advection✓
C)Enhanced latent heat flux imbalance
D)Reduced Hadley cell convection intensity
💡 Explanation
When thermohaline circulation weakens, meridional temperature advection is amplified because heat normally transported by ocean currents is instead moved through atmospheric processes that respond disproportionately. Therefore meridional advection increases, rather than affecting tropospheric jets, latent heat, or Hadley cell intensity directly which operate independently.
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