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Reading: Canadian scientists claim the presence of a massive ozone hole over the tropics; how it can affect your health
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Irizflick Media > Blog > Science > Canadian scientists claim the presence of a massive ozone hole over the tropics; how it can affect your health
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Canadian scientists claim the presence of a massive ozone hole over the tropics; how it can affect your health

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irizflick 07/06/2022 126 Views
Updated 2022/07/06 at 7:39 PM
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The ozone lay­er absorbs the sun’s harm­ful UV rays. (Rep­re­sen­ta­tive)

Cana­da-based sci­en­tists have claimed they have dis­cov­ered a large, year-round ozone hole in the low­er stratos­phere over the trop­ics. The hole is com­pa­ra­ble in depth to Antarc­ti­ca’s spring hole, but is sev­en times larg­er. The rev­e­la­tion was made by Qing-Bin Lu, a researcher at the Uni­ver­si­ty of Water­loo in Ontario, Cana­da. The trop­ics, which include India, make up half of the earth­’s sur­face and are home to half the world’s pop­u­la­tion. The new ozone lay­er can severe­ly impair the qual­i­ty of life.

His col­leagues in the sci­en­tif­ic com­mu­ni­ty are sur­prised by the dis­cov­ery, as it was not made using the tra­di­tion­al mod­el. He used the cos­mic ray pow­ered elec­tron reac­tion (CRE) mod­el. Accord­ing to the study, 80 per­cent of nor­mal ozone lev­els were found deplet­ed in the cen­ter of the hole.

The ozone lay­er absorbs the sun’s harm­ful UV rays. In the mid-1970s, sci­en­tists claimed that indus­tri­al chem­i­cals, includ­ing chlo­ro­flu­o­ro­car­bons, were deplet­ing the ozone lay­er around the world. In 1985, anoth­er group of sci­en­tists dis­cov­ered the Antarc­tic ozone hole. The sub­stances have been banned in most coun­tries, result­ing in an improve­ment in the ozone lay­er, but the hole still exists.

The sci­en­tists said that the ozone holes play an impor­tant role in reg­u­lat­ing stratos­pher­ic tem­per­a­tures. The dis­cov­ery will help sci­en­tists bet­ter under­stand the chal­lenge of cli­mate change.

How does ozone deple­tion affect human health? 

The deple­tion of the ozone lay­er means that more UV radi­a­tion would reach the earth­’s sur­face. UV radi­a­tion can cause skin can­cer and cataracts. It can also weak­en human immune sys­tems and dis­rupt del­i­cate aquat­ic ecosys­tems. It can also harm crops.

“The present dis­cov­ery requires fur­ther care­ful stud­ies on ozone deple­tion, changes in UV radi­a­tion, increased risk of can­cer and oth­er neg­a­tive impacts on health and ecosys­tems in trop­i­cal regions,” Lu said.

With input from ANI

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TAGGED: affect, Antarctic ozone hole, Canada, Canadian, Claim, Climate change news, Global Warming News, Health, hole, MASSIVE, New ozone hole found, ozone, ozone layer, presence, scientists, tropics
irizflick 07/06/2022
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