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Geography

Which outcome leads to increased fjord oxygen depletion after accelerated glacial melt?

A)Enhanced density stratification
B)Upwelling current intensification
C)Decreased sediment accumulation
D)Reduced freshwater runoff volume

💡 Explanation

Increased glacial meltwater input causes enhanced density stratification because of freshwater's lower density; this inhibits vertical mixing via convection; therefore, oxygen replenishment decreases in deeper fjord layers, rather than surface layers, driving depletion overtime.

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