Images related to Long Cold Spell Leads to Arctic Ozone Hole

Arctic Ozone in Spring
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Arctic Ozone in Spring

Patterns of ozone accumulation and depletion are very different around the North Pole.

Published Jun 8, 2014

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Unusual Weather Leads to Ozone Low Over the Arctic
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Unusual Weather Leads to Ozone Low Over the Arctic

While such low concentrations of ozone are unusual, they are not unprecedented.

Published Apr 16, 2020

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Arctic Ozone Loss
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Arctic Ozone Loss

Recent observations from satellites and ground stations suggest that atmospheric ozone levels for March in the Arctic were approaching the lowest levels in the modern instrumental era.

Published Mar 30, 2011

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Antarctic Ozone Hole 2009
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Antarctic Ozone Hole 2009

Blues and purples in this image of Antarctic ozone concentrations reveal the developing ozone hole of 2009.

Published Sep 17, 2009

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The Ozone Hole of 2008
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The Ozone Hole of 2008

On September 12, 2008, the Antarctic ozone hole reached its maximum size for the year.

Published Oct 25, 2008

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Measurements Show Reduction in Ozone-Eating Chemical
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Measurements Show Reduction in Ozone-Eating Chemical

New research from NASA scientists shows that the amount of chlorine in the stratosphere over the South Pole is declining at the same time that ozone holes are becoming less severe.

Published Feb 13, 2018

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Ozone’s Long Path to Recovery
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Ozone’s Long Path to Recovery

Does a smaller hole mean that Antarctic ozone is recovering? Not yet, say NASA scientists. A deeper look at the ozone hole shows that for now weather still has a bigger influence on the size of the ozone hole than policies that limited emissions of ozone-destroying chemicals.

Published Dec 19, 2013

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2005 Ozone Hole
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2005 Ozone Hole

Published Dec 8, 2005

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Ozone Hole is Big, But Tempered by CFC Reductions
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Ozone Hole is Big, But Tempered by CFC Reductions

The hole in the ozone layer over Antarctica was slightly above average size in 2018, but smaller than expected for the weather conditions.

Published Nov 14, 2018

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Ozone Hole is Smallest Since 1988
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Ozone Hole is Smallest Since 1988

The smaller ozone hole was strongly influenced by an unstable and warmer-than-usual Antarctic vortex.

Published Nov 3, 2017

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Watching the Ozone Hole Before and After the Montreal Protocol
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Watching the Ozone Hole Before and After the Montreal Protocol

NASA satellites have observed the Antarctic ozone hole since the late 1970s—before and after nations agreed to stop producing chemicals that destroy the ozone layer.

Published Sep 18, 2012

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Antarctic Ozone Hole 2010
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Antarctic Ozone Hole 2010

The Ozone Monitoring Instrument (OMI) on NASA’s Aura satellite acquired data for this map of ozone concentrations over Antarctica on September 12, 2010.

Published Sep 16, 2010

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2007 Ozone Hole
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2007 Ozone Hole

Published Oct 25, 2007

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