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Just end me already, no more edging
They don’t know why the ozone hole is big this year but they suspect it may be related to a volcanic eruption. Article concludes that scientists expect the ozone layer to be back to normal by 2050.
The suggestion is that this is an unusual year for the ozone layer which sees the hole expand this time every year before retracting again by December. They never suggest human behavior is damaging it again.
Where
Lots of doom and gloom in the comments here. As the article describes, the hole in the ozone layer varies in size over time. It is slowly recovering, but the annual variability means it sometimes is larger than before.
The variability of the size of the ozone hole is largely determined by the strength of a strong wind band that flows around the Antarctic area. This strong wind band is a direct consequence of Earth’s rotation and the strong temperature differences between polar and moderate latitudes.
If the band of wind is strong, it acts like a barrier: air masses between polar and temperate latitudes can no longer be exchanged. The air masses then remain isolated over the polar latitudes and cool down during the winter.
Although it may be too early to discuss the reasons behind the current ozone concentrations, some researchers speculate that this year’s unusual ozone patterns could be associated with the eruption of the Hunga Tonga-Hunga Ha’apai in January 2022.
And
Claus concludes, “Based on the Montreal Protocol and the decrease of anthropogenic ozone-depleting substances, scientists currently predict that the global ozone layer will reach its normal state again by around 2050.”
If only all the other ways we’re trashing this planet were as easy to solve as it was to simply ban CFCs
This strong wind band is a direct consequence of Earth’s rotation and the strong temperature differences between polar and moderate latitudes.
Sounds like something global warming can make worse.
Isn’t the northern hemisphere jet stream struggling due to decreasing temperature differences, since the poles are warming faster? Which then causes weather to change less, making things more extreme?
Gulf Stream, not jet stream. https://www.bbc.com/news/science-environment-66289494
so you don’t think the increase in methane is gonna effect this?
I dunno about you, but ‘lots of doom and gloom’ sells short of utterly fucking shocking temp rises in the ocean, the slowing of the gulf stream and the heat-stroke of a winter the southern hemisphere just endured.
meteorologist Brian McNoldy of the University of Miami called global air and ocean temperature trends “bonkers,” stating: “People who look at this stuff routinely can’t believe their eyes. Something very weird is happening.” https://www.axios.com/2023/06/13/climate-extremes-warming-charts-concerns
I’m not trying to fear-monger but I think we’d all be better off frankly recognizing the shit isn’t going to hit the fan, it’s hitting it rapidly and the backblast is beginning to impact. It’s not doom-and-gloom if it’s actual reality people are trying to live through.
The hole was set to be normal by now.
Where did you hear that? CFCs can linger in the atmosphere for 50-100 years, so recovery is a slow process. It took more than a decade after the Montreal Protocol went into effect before the hole in the ozone layer stopped growing. Additionally, different parts of the ozone layer will recover at different rates:
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So we’re back to the 70s?
Do not get me wrong. I am in favor of going green but all I see is small car engines that designed to fail and less effective cooling.
almost all modern cars cannot provide cooling while idling at 50c. It got so bad to the point where we have businesses that solely exist to modify brand new cars to fit pre 2017 air compressors.
Home ACs are victims too.
On the other hand, airplanes kept flying empty for 3 months during COVID 19 to keep their slots reserved.
