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The original was posted on /r/worldnews by /u/CrispyMiner on 2024-05-30 18:10:47+00:00.
‘Termination shock’: cut in ship pollution sparked global heating spurt
Submitted 2 years ago by bot@lemmit.online [bot] to worldnews@lemmit.online
autotldr@lemmings.world [bot] 2 years ago
This is the best summary I could come up with:
The slashing of pollution from shipping in 2020 led to a big “termination shock” that is estimated have pushed the rate of global heating to double the long-term average, according to research.
The new analysis calculates that the subsequent drop in pollution particles has significantly increased the amount of heat being trapped at the Earth’s surface that drives the climate crisis.
The research, published in the journal Communications Earth & Environment, combined satellite observations of sulphur pollution and computer modelling to calculate the impact of the cut.
He said the new analysis did a good job of using satellite data to estimate the change in trapped heat after the pollution cut, but he disagreed on how that translated into a temperature rise.
Dr Gavin Schmidt, at Nasa’s Goddard Institute for Space Studies, said the new research was “definitely a positive contribution, but it’s not using a fully coupled climate model, so there is still more work to be done.
These include the sharp temperature rise when the pumping of aerosols stopped – the termination shock – and also potential changes to global precipitation patterns, which could disrupt the monsoon rains that billions of people depend on.
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