Which climate outcome occurs when intensifying subtropical gyres expand poleward?

💡 Explanation

Expanding subtropical gyres cause increased coastal desertification because the Hadley cell circulation change suppresses rainfall, leading to arid conditions in adjacent regions via atmospheric subsidence, therefore less precipitation, rather than increased rainfall or effects on equatorial currents.

• Which phenomenon causes effusive volcanism at mid-ocean ridges when magma upwells?
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• Which process causes the formation of distributary channels on an alluvial fan?
• Which risk increases as glacial isostatic rebound elevates fjord landmasses?
• Increased coastal erosion results where coastal straightening occurs because of which effect?
• Which risk increases when a road embankment is constructed on discontinuous permafrost terrain?