Articles tagged "ozone hole"

calbuco eruption expanded ozone hole to record size study

Calbuco's eruption expanded ozone hole to record size

A new study argues that eruption of the Chilean volcano Calbuco on April 22, 2015 stretched the Antarctic Ozone Hole, the thinnest portion of the ozone shell that shields Earth from harmful radiation, to a record size nearly as large as Africa. It did so by ejecting...

March 15, 2017

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Antarctic ozone hole shows signs of healing

An international team of scientists has observed first clear signs that the hole in the Antarctic ozone layer is beginning to close. Led by Professor Susan Solomon of the Massachusetts Institute of Technology, the team found that the September ozone hole had shrunk...

July 01, 2016

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Ozone hole behind colorful nacreous clouds over the UK and Ireland

Polar stratospheric clouds (PSCs) are appearing over the United Kingdom and Ireland since January 31, 2016. An extremely rare occurrence for this area, usually restricted to the Arctic Circle, has been photographed by numerous skywatchers. According to experts, the...

February 05, 2016

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The 2015 ozone hole over Antarctic larger than usual and late

The annual Antarctic ozone hole was larger than usual this year and formed later than in recent years, according to the scientists from NASA and the National Oceanic and Atmospheric Administration (NOAA). The ozone hole reached its maximum on October 2, 2015,...

October 31, 2015

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2014 ozone hole update

According to scientists from NASA and NOAA, the Antarctic ozone hole reached its annual peak on September 11 with the size of 24.1 million square kilometers (93 million square miles). Overall, the 2014 ozone hole is smaller than the large holes of the 1998–2006 pe

October 31, 2014

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World Ozone Day 2014

September 16, 2014 - The World Ozone Day, is meant to commemorate the success that has been achieved in ameliorating ozone depletion since the enactment of the Montreal Protocol, but also to bring attention to the work ahead. In their first review in four years on

September 16, 2014

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Antarctic ozone hole reaches maximum size for 2013

Each year for the past few decades during the Southern Hemisphere spring, chemical reactions involving chlorine and bromine cause ozone in the southern polar region to be destroyed rapidly and severely. This depleted region is known as the “ozone

October 21, 2013

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Extending the Ozone monitoring record

The Ozone Mapper and Profiler Suite (OMPS) is one of five new satellite instruments on the Suomi National Polar-orbiting Partnership (NPP) satellite. OMPS  is sending back detailed information about the atmospheric gas that shields life from harmful levels of the

February 25, 2012

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Whales are suffering skin damage as ultraviolet radiation increases

Many whales are now acutely sunburned, with cases escalating in recent years, according to new research.The study, published in the Proceedings of the Royal Society B, is the first to demonstrate that sun damage to whale skin is on the rise and is likely tied to

June 17, 2011

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Study links ozone hole to climate change all the way to the equator

In a study to be published in the April 21st issue of Science magazine, researchers at Columbia University's School of Engineering and Applied Science report their findings that the ozone hole, which is located over the South Pole, has affected the entire circulation

April 27, 2011

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Developing ozone hole approaches Scandinavia and Eastern Europe right now

An exceptionally large area of depleted ozone has formed over the North Pole, and scientists warn that it could settle over Scandinavia and Eastern Europe on 30-31 March.The fast-thinning Arctic ozone layer was first detected by an international network of over 30

March 29, 2011

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New insights on changes in the ozone layer

German Aerospace Center researchers have been instrumental in the preparation of a report on the changes in the Ozone Layer for the World Meteorological Organization (WMO). The report was published online by the Geneva-based WMO in January. Recent estimates suggest

March 01, 2011