Atmosphere Ozone Hole Tour

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2019 Ozone Hole is the Smallest on Record Since Its ...

https://www.nasa.gov/feature/goddard/2019/2019-ozone-hole-is-the-smallest-on-record-since-its-discovery

2019 Ozone Hole is the Smallest on Record Since Its Discovery Abnormal weather patterns in the upper atmosphere over Antarctica dramatically limited ozone depletion in September and October, resulting in the smallest ozone hole observed since 1982, NASA and NOAA scientists reported today.Author: Sara Blumberg

World of Change: Antarctic Ozone Hole - NASA

https://earthobservatory.nasa.gov/world-of-change/Ozone

The ozone hole opened the world’s eyes to the global effects of human activity on the atmosphere. Scientists found out that chlorofluorocarbons (CFCs)—long-lived chemicals that had been used in refrigerators and aerosol sprays since the 1930s—had a dark side.

NASA Ozone Watch: 2020 Antarctic OMPS and MERRA-2 Ozone

https://ozonewatch.gsfc.nasa.gov/meteorology/SH.html

2 days ago · The ozone hole area is determined from total ozone satellite measurements. It is defined to be that region of ozone values below 220 Dobson Units (DU) located south of 40°S. Values below 220 DU represent anthropogenic ozone losses over Antarctica.

Discovery of Ozone Hole announced - HISTORY

https://www.history.com/this-day-in-history/discovery-of-antarctic-ozone-hole-announced

Apr 07, 2020 · Their discovery, commonly known as the Ozone Hole, became a palpable example of mankind's ability to damage the Earth's atmosphere as well as one of the most famous success stories in the history ...

Experts reveal major holes in international ozone treaty ...

https://www.sciencedaily.com/releases/2020/08/200826083036.htm

Experts reveal major holes in international ozone treaty Major holes in ozone hole treaty must be addressed to avert stronger climate change and serious risks to human health, experts warn

What Is The Ozone Hole? - WorldAtlas

https://www.worldatlas.com/articles/what-is-the-ozone-hole.html

May 24, 2020 · Despite popular beliefs, the ozone hole is not actually a hole in the ozone layer, but a region of depleted ozone in the stratosphere over the Antarctic, which occurs at the beginning of spring in the southern hemisphere, sometime between August and October. In recent years, the ozone depletion has also been noted in the northern polar region.

The Atmosphere: Tracking the Ongoing Recovery of Earth's ...

https://climate.nasa.gov/news/2916/the-atmosphere-tracking-the-ongoing-recovery-of-earths-ozone-hole/

Oct 16, 2019 · One such family of chemical compounds is chlorofluorocarbons (CFCs), whose contribution to depleting ozone in Earth’s upper atmosphere has led to large springtime decreases in ozone around Earth’s polar regions, especially over Antarctica, a phenomenon known as the ozone hole that was first reported in 1985.

Ask the Weather Guys: Does the ozone hole occur over both ...

https://madison.com/wsj/weather/ask-the-weather-guys-does-the-ozone-hole-occur-over-both-poles/article_138afb60-fd04-5f2e-9d65-e7c10e301739.html

Aug 24, 2020 · A: The ozone hole refers to the appearance of very low values of ozone in the stratosphere. The winter atmosphere above Antarctica is very cold. It occurs typically high over the continent of Antarctica, during the Southern Hemisphere’s spring.

Ozone layer deal may have led to new contaminant problem ...

https://www.cbc.ca/news/technology/ozone-contaminant-1.5571201

A landmark environmental agreement that helped close the ozone hole in the 1990s has led to new chemical contaminants forming in the atmosphere and accumulating on land, researchers say.

Shrinking Ozone Hole, Climate Change Are Causing ...

https://www.scientificamerican.com/article/shrinking-ozone-hole-climate-change-are-causing-atmospheric-tug-of-war/

Mar 26, 2020 · Shrinking Ozone Hole, Climate Change Are Causing Atmospheric “Tug-of-War” The Southern Hemisphere jet stream is shifting, bringing more rain to some spots and less to others By Chelsea Harvey ...

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