Scientists compared periods of punishing rains and withering droughts in Earth's hothouse epochs to a giant atmospheric 'battery' recharging then unleashing powerful storms.
This was achieved by either increasing the carbon dioxide in the atmosphere to over sixty times its current level, or by increasing the brightness of the sun by around 10 percent.
This forms what is known as an"inhibition layer," which acts as a barrier preventing evaporated water from rising to the upper atmosphere and becoming rain clouds. Instead, this water is held in the lower atmosphere. "It's like charging a massive battery," said Seeley."You have a ton of cooling high in the atmosphere and a ton of evaporation and heating near the surface, separated by this barrier."
In one simulation, the team found that during a rainstorm that lasted just six hours, more water was deposited than during some tropical storms in the United States that rage for several days. Following the storm, the savage rain bombardment ceases for several days as the system"recharges" once again.
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