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← GeographyWhich nutrient transport pattern does Ekman transport establish along eastern boundary currents where gyres rotate?
A)Coastal ocean upwelling enrichment✓
B)Density stratification reduction
C)Horizontal thermocline deepening
D)Salinity wedge front expansion
💡 Explanation
When wind stress acts along eastern boundaries, Ekman transport causes offshore surface water movement which induces upwelling because deeper, nutrient-rich water replaces the surface water. Therefore coastal upwelling and enrichment results, rather than reduction of density stratification, thermocline or salinity wedge expansion, whose formation relies on separate stratification mechanisms.
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