Which mechanism causes poleward heat transfer within Earth's atmospheric Hadley cells?

💡 Explanation

Within Hadley cells, warm, moist air rises at the equator, and as it moves poleward aloft, expansive cooling induces condensation because cooling reduces its capacity to hold moisture, releasing latent heat furthering poleward heat transfer. Therefore latent heat release predominates, rather than conduction, radiation, or surface sensible heat absorption which play lesser roles in atmospheric heat transfer.

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