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← GeographyWhich mechanism causes reduced water column mixing within a fjord during spring snowmelt?
A)Density stratification from freshwater input✓
B)Coriolis effect disrupting deep currents
C)Increased tidal amplitude damping convection
D)Geothermal vents heating bottom waters
💡 Explanation
When snow melts increases in spring, stratification enhancement occurs due to the addition of low-density freshwater at the surface, which inhibits vertical mixing. Therefore, density stratification reduces water mixing, rather than the Coriolis effect, tidal amplitude, or geothermal heating, which have different effects.
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