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← GeographyWhich process primarily regulates water temperature within an ocean gyre's core?
A)Vertical mixing from tidal forces
B)Latitudinal heat transfer by advection
C)Geothermal vents on the seabed
D)Albedo-driven surface radiation balance✓
💡 Explanation
When shortwave radiation reaches the ocean's surface, the albedo (reflectivity) and incident angle dictates amount absorbed, driving heating because direct solar radiation dominates at the surface of the gyre core. Therefore, radiation dictates core temperature, rather than mixing, geothermal vents, or advection occurring due to separate mechanisms.
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