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← GeographyWhich effect intensifies when geostrophic flow encounters coastal upwelling?
A)Enhanced coastal fog formation
B)Diminished thermocline layer stability
C)Greater surface nutrient concentration✓
D)Localized sea level subsidence
💡 Explanation
Coastal upwelling draws deep, nutrient-rich water up, and geostrophic flow enhances the localized **Ekman transport** that drives upper ocean layer motion; therefore, nutrient concentration dramatically increases, rather than a weaker stratification, because of additional flow, and not simply initial stratification.
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