The ozone layer protects Earth from the sun’s harmful UV radiation (Getty Images/iStockphoto) The situation for all of us looks pretty bleak at …
date: 16 September 2020 location: worldwide An analysis of satellite observations show that ozone levels reached their lowest point on March 12 at 205 Dobson units.While such low levels are rare, they are not unprecedented. Last year the hole had its smallest peak since 1987
Missing areas (bad orbits and polar night) are filled "The game is not totally over. Ozone levels above the Arctic reached a record low for March, NASA researchers report. This image made available by NASA shows a map of a hole in the ozone layer over Antarctica on Sunday, Oct. 20, 2019.
26 march 2020 The ozone layer above Antarctica has recovered so much , it's actually stopped many worrying changes in the Southern Hemisphere's atmosphere.
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 waves stir the white paint, higher amounts of ozone in the mid-latitudes, with the red paint or low ozone contained by the strong jet stream circling around the pole.”The mixing has a second effect, which is to warm the Arctic air. Ozone depletion hit a “record level” in March, with experts saying that the hole covered an area about three times the size of Greenland.
The Microwave Limb Sounder onboard the Aura satellite also estimates stratospheric levels of ozone-destroying chlorine.To see the latest data on stratospheric ozone, visit If you're looking for someone to thank, try the world at large. (2020, March 17). While temperatures consistently plummet in the South Pole each year, these conditions are rare in the North, making According to Markus Rex, an atmospheric scientist at the Alfred Wegener Institute in Potsdam, Germany, powerful winds created a polar vortex this year, causing more cold air above the Arctic than in any winter recorded since 1979. Get the latest breaking news delivered straight to your inbox.Copyright © 2020 CBS Interactive Inc. All rights reserved. Aerosol particles (such as dust) have an effect on human health, weather and climate. In comparison, the lowest March ozone value observed in the Arctic is usually around 240 Dobson units.“This year’s low Arctic ozone happens about once per decade,” said Paul Newman, chief scientist for Earth Sciences at NASA's Goddard Space Flight Center in Greenbelt, Maryland.
NASA Ozone Watch Arctic stratospheric ozone reached its record low level of 205 Dobson units, shown in blue and turquoise, on March 12, 2020. Credit: NASA’s Goddard Space Flight Center.
"Sophie Lewis is a social media producer and trending writer for CBS News, focusing on space and climate change.Be in the know.
A space-based laser that measures clouds and small atmospheric particles called aerosols has provided a unique view of the massive Saharan dust plume that crossed the North Atlantic Ocean in June.
Click any map image to bring up a new page with a The Microwave Limb Sounder onboard the Aura satellite also estimates stratospheric levels of ozone-destroying chlorine.To see the latest data on stratospheric ozone, visit unless otherwise noted. These waves drive movements of air through the upper atmosphere akin to weather systems that we experience in the lower atmosphere, but much bigger in scale.In a typical year, these waves travel upward from the mid-latitude lower atmosphere to disrupt the circumpolar winds that swirl around the Arctic. In comparison, the lowest March ozone value observed in the Arctic is usually around 240 Dobson units.“This year’s low Arctic ozone happens about once per decade,” said Paul Newman, chief scientist for Earth Sciences at NASA's Goddard Space Flight Center in Greenbelt, Maryland. Satellite instruments monitor ... Posted March 26, 2020 12:11 pm. View the latest status of the ozone layer over the Antarctic, with a focus on the ozone hole. The false-color view of the monthly-averaged total ozone The mixing shuts down this chlorine- and bromine-driven ozone depletion.In December 2019 and January through March of 2020, the stratospheric wave events were weak and did not disrupt the polar winds. Click any map image to bring up a new page with a high-resolution map.
March 25, 2020 Source: ... evidence showing the profound effectiveness of the Montreal Protocol. By late March, these balloons measured a 90% drop in ozone at an altitude of 18 kilometres, which is right in the heart of the ozone layer. are where there is more ozone. 2020 Republican National Convention ... ozone levels above the Arctic reached a record low in March. high-resolution map.
Satellite data from NASA shows the ozone layer above the Arctic in March 2019 compared to March 2020, when the hole formed. These clouds enable the release of chlorine for ozone-depleting reactions.
A new hole has opened up in the ozone layer — but it's not where scientists would expect to find it. NASA Ozone Watch ... with these clouds to eat away at the ozone layer. The ozone layer is important because it acts like a sunscreen, blocking potentially harmful ultraviolet energy from reaching our planet's surface. "It wouldn't be difficult to deal with," he said. When they disrupt the polar winds, they do two things. where there is the least ozone, and the yellows and reds In early winter, short-lived pockets of low-ozone air from lower latitudes are occasionally swept up into the polar vortex, part of the normal winter circulation. The warmer temperatures then make conditions unfavorable for the formation of polar stratospheric clouds. The data for this month are from the
ozone for March 2020.
This website is produced by the Earth Science Communications Team at
Please credit all material to “NASA Ozone Watch”
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