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Abrupt transitions in an atmospheric single-column model with weak temperature gradient approximation
<p><strong>Abstract.</strong> We document a feature of the tropical atmosphere that could be relevant to episodes of abrupt transitions in global climate that regularly occurred during the last ice age. Using a single-column model incorporating the weak temperature gradient (WTG) approximation, we find that abrupt transitions occur as the sea surface temperature is steadily increased. Because these transitions arise from the interplay of scales between local deep convectiondoi:10.5194/wcd-2020-10 fatcat:zxmk5dfwhnhuvbmoyl7jctmifa