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← GeographyWhich process dominates the vertical salinity gradient development within a fjord following seasonal ice melt?
A)Halocline formation via freshwater inflow✓
B)Thermohaline convection from surface cooling
C)Tidal mixing eroding stratification
D)Wind-driven upwelling mixing deep layers
💡 Explanation
When ice melts, freshwater flows into fjords, which decreases surface salinity and forms a strong halocline because density differences inhibit vertical mixing. Therefore, halocline formation results, rather than thermohaline convection, tidal mixing or upwelling, which require different density or energy input distribution.
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