Which mechanism influences surface water temperature variability within subtropical gyres?

💡 Explanation

When winds circulate around high-pressure centers, Ekman transport causes surface water convergence, with the mechanism being the Coriolis effect deflecting water flow at an angle to the wind, thus influencing temperature distribution. Therefore, wind-driven Ekman transport is the primary influence rather than tides, vents, or salinity.

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• Which outcome occurs when glaciers retreat in a cirque basin and leave behind meltwater?
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• Which change occurs during subduction when hydrated oceanic crust descends into the mantle?