07-30-2022, 08:22 PM
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#699 (permalink)
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Master EcoModder
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Why not to jump to conclusions? From the only-time-will-tell department at Slashdot:
news.slashdot.org: Blast From Tonga Volcano In January Could Eat Away At Ozone Layer, Warm Earth (science.org)
Quote:
Big volcanic eruptions often cool the climate, because the sulfur dioxide they release forms compounds that reflect incoming sunlight. But with so much water vapor flung aloft, the Tonga eruption could have a different impact. Water absorbs incoming energy from the Sun, making it a potent greenhouse gas. And the sulfur dioxide will dissipate in just a few years whereas the water will likely stick around for at least 5 years -- and potentially longer Millan thinks. That could make Earth warmer for years and accelerate the warming from greenhouse gasses, [says Matthew Toohey, a physicist who focuses on climate modeling and the effects of volcanic eruptions at the University of Saskatchewan and was not involved with the work]. "We'll kind of just jump forward by a few years." But the actual effects on climate will likely take time to understand [...]. High above Earth, the water will likely react with other chemicals, potentially degrading the ozone layer that protects us from ultraviolet light, and even changing the circulation of air currents that govern weather patterns.
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