Clouds are essential to regulating Earth’s temperature, but what happens if they disappear?
Why a Half Degree Rise in Global Temperature Would Be Catastrophic – https://youtu.be/teZk3NLU_7M
A World Without Clouds
“To imagine 12 degrees of warming, think of crocodiles swimming in the Arctic and of the scorched, mostly lifeless equatorial regions during the PETM. If carbon emissions aren’t curbed quickly enough and the tipping point is breached, “that would be truly devastating climate change,” said Caltech’s Tapio Schneider, who performed the new simulation with Colleen Kaul and Kyle Pressel.”
A world without clouds? Hardly clear, climate scientists say
“There’s no doubt these feedbacks will be in play. Past work has shown it, says Chris Bretherton, a cloud scientist at the University of Washington in Seattle. “But they’d all happen at different times in different concentrations of CO2 in different places. That would smooth it all out.” There wouldn’t be a sudden tipping point where all the clouds disappeared. It would happen gradually, subject to the complex response of the ocean and atmosphere. ”
Possible climate transitions from breakup of stratocumulus decks under greenhouse warming
“Stratocumulus clouds cover 20% of the low-latitude oceans and are especially prevalent in the subtropics. They cool the Earth by shading large portions of its surface from sunlight. However, as their dynamical scales are too small to be resolvable in global climate models, predictions of their response to greenhouse warming have remained uncertain. ”
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