{"id":84078,"date":"2023-11-02T13:39:15","date_gmt":"2023-11-02T17:39:15","guid":{"rendered":"https:\/\/cablemanpro.com\/wallstreetpr\/ozone-hole-proves-smaller-than-predicted-nasa-says-84078"},"modified":"2023-11-02T13:39:15","modified_gmt":"2023-11-02T17:39:15","slug":"ozone-hole-proves-smaller-than-predicted-nasa-says","status":"publish","type":"post","link":"https:\/\/cablemanpro.com\/wallstreetpr\/ozone-hole-proves-smaller-than-predicted-nasa-says-84078","title":{"rendered":"Ozone hole proves smaller than predicted, NASA says"},"content":{"rendered":"
\n

With last year\u2019s undersea volcano injecting massive amounts of water high into the atmosphere, scientists were bracing for a big Antarctica ozone hole this fall. But it didn\u2019t happen.<\/p>\n

Instead this year\u2019s ozone hole was about average size for the last 20 years, even a bit smaller than 2022\u2019s, according to NASA<\/a> and the National Oceanic and Atmospheric Administration.<\/p>\n

From September to mid-October, the ozone hole this year averaged 8.9 million square miles, which is the 16th largest since satellites started tracking in 1979. It peaked this year at 10 million square miles, about the size of North America<\/a>.<\/p>\n

OZONE LAYER SLOWLY HEALING, EXPECTED TO FULLY RECOVER IN 2066, UN REPORTS<\/strong><\/a><\/p>\n

OZONE HOLE IS THE SMALLEST ON RECORD DUE TO ‘RARE EVENT,’ NASA SAYS<\/strong><\/a><\/p>\n

When ozone, three joined oxygen atoms, is 5 to 30 miles high in the atmosphere it protects Earth from the sun’s ultraviolet rays that could cause skin cancer, cataracts and even could sterilize crops. Because of chemicals in aerosol sprays and refrigerants that produce chemicals that munch ozone, Earth’s ozone layer a few decades ago started to thin and even form a large hole over Antarctica during September and October.<\/p>\n

“That is massive in scale,” said Paul Newman, NASA\u2019s ozone research leader and chief of Earth sciences at Goddard Flight Center. “That\u2019s pretty bad and bad for folks who have to live in that depleted region” of southernmost South America.<\/p>\n

“But it wasn\u2019t as bad as we thought,” Newman said.<\/p>\n

When the Hunga Tonga Hunga Ha\u2019apai volcano shot millions of tons of water into the southern hemisphere\u2019s atmosphere in January 2022, scientists figured the water<\/a>, 10% more than usual, would eventually be bad for the ozone layer.<\/p>\n

That\u2019s because liquid water in the upper atmosphere gives a place for chlorine and bromine to perch and then eat away at the ozone layer, making the annual fall hole bigger, Newman said. So scientists and computer models predicted a bad ozone season this year.<\/p>\n

“We were wrong,” Newman said.<\/p>\n

OZONE POLLUTION LEVELS HAVE JUMPED OVER PAST 2 DECADES BECAUSE OF HUMAN ACTIVITY, RESEARCHERS FIND<\/strong><\/a><\/p>\n

Researchers will have to figure out where their understanding and computer simulations went wrong, Newman said. He thinks the water froze out higher and earlier, leaving less clouds and liquid water for perching ozone-munching chemicals.<\/p>\n

Local weather conditions also cause variations in ozone size.<\/p>\n

The ozone hole and thinning ozone layer has improved a bit thanks to the 1987 Montreal Protocol, when countries in the world agreed to stop producing many of the chemicals that deplete ozone, Newman said. The ozone hole was at its biggest in 2000 at nearly 11.6 million square miles, according to NASA data.<\/p>\n

But scientists say it will take decades to completely heal.<\/p>\n<\/div>\n

Source – https:\/\/www.foxnews.com\/science\/ozone-hole-proves-smaller-predicted-nasa-says <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

With last year\u2019s undersea volcano injecting massive amounts of water high into the atmosphere, scientists were bracing for a big Antarctica ozone hole this fall. 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