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← GeographyWhich climate effect occurs on land bordering a subtropical gyre's eastern boundary given the current density stratification?
A)Increased rainfall and higher humidity
B)Desertification and higher salinity✓
C)Decreased temperature stability
D)Intensified storm frequency anomalies
💡 Explanation
When a subtropical gyre interacts with an eastern boundary, upwelling occurs because wind-driven surface currents are deflected offshore due to the Coriolis effect, pulling cold, nutrient-rich water upwards, suppressing precipitation and increasing evaporation. Therefore desertification and higher salinity result, rather than rainfall, instability, or storms because cooling and stabilization effects dominate at coastal regions.
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