Sentences with phrase «largest ozone hole»

The Polar Environment Atmospheric Research Laboratory (PEARL) in Eureka, Nunavut, which made key measurements last winter used to detect and analyze the largest ozone hole ever detected over the Arctic, will cease year - round operations on April 30.

Records in depth and size haven't occurred during the same years (the largest ozone hole occurred in 2006), but the long - term trend in both characteristics is consistent: from 1980 through the early 1990s, the hole rapidly grew in size and depth.

The study had also discovered that the largest ozone hole on record, which occurred in 2015, was due to the eruption of Chile's Calbuco volcano.

The largest ozone hole ever seen has opened up over Antartica, a sign that ozone - depleting gases churned out years ago are just now coming to their peak, NASA scientists reported September 8, 2000.

Unusually cold temperature and weak dynamics in the Antarctic stratosphere this year resulted in this larger ozone hole.

Without the Montreal Protocol, the new study reveals that a very large ozone hole over the Arctic would have occurred during that cold winter and smaller Arctic ozone holes would have become a regular occurrence.

Without the Montreal Protocol, the new study reveals that a very large ozone hole over the Arctic would have occurred during that cold winter and smaller Arctic ozone holes would have become a regular occurrence.

Such large ozone hole events may still occur in future years, as projections indicate that the recovery will take decades before they disappear entirely by 2055 - 2065.

Not exact matches

Volcano - fueled holes in Earth's ozone layer 252 million years ago may have repeatedly sterilized large swaths of forest, setting the stage for the world's largest mass extinction event.

In early October 2006, the Antarctic stratosphere was the coldest it has been since 1979, and the ozone hole loomed bigger than ever, spanning an area larger than North America.

In September, the ozone hole is at its largest because the cold winter months coupled with the returning daylight permit stratospheric cloud formations that do the most damage to the ozone layer.

The largest single - day ozone hole ever recorded by satellite was 29.9 million square kilometers (11.5 million square miles) on Sept. 9, 2000.

The large size of this year's ozone hole will likely result in increases of harmful ultraviolet rays at Earth's surface, particularly in Antarctica and the Southern Hemisphere in the coming months.

Overall, the 2014 ozone hole is smaller than the large holes of the 1998 - 2006 period, and is comparable to 2010, 2012, and 2013.

The 2015 Antarctic ozone hole area was larger and formed later than in recent years, said scientists from NASA and the National Oceanic and Atmospheric Administration (NOAA).

There was a «greater frequency of warts» reported to doctors during periods when the ozone hole was at its largest, but the researchers said «the significance of this finding is uncertain».

The Great Barrier Reef lies directly below the largest hole in the ozone layer, which means the region receives significantly more UV radiation than other place on Earth.

The ozone hole this year grew to a size of 10.9 million square miles, which is larger than the continent of North America.

Compared to the 1991 - 2014 period, the ozone hole's average area this year was the fourth largest.

With ozone layer depletion just beginning, large holes in the ozone layer are rare now; but the frequency and severity of ozone layer depletion will increase with time.

With ozone layer depletion just beginning, large holes in the ozone layer are rare now; but the frequency and severity of ozone layer depletion will increase with time.

Look, I do not claim that climate models are perfect — far from it — but their matches to observed data at the large scale are impressive — Pinatubo, last 30 years, response to ENSO, NAO response, sea ice response, ozone hole response etc..

On Oct. 2, 2015, the ozone hole expanded to its peak of 28.2 million square kilometers (10.9 million square miles), an area larger than the continent of North America.

These are large - scale waves, which travel through Earth's atmosphere similar to waves in the oceans (see «Why Does the Ozone Hole Vary in Size?»).

World consumption of Ozone Depleting Substances has been reduced to zero over the last three decades, but the Ozone Hole is as large as ever.

I've been reading lately about the ozone hole and the fact that it recently has been larger than when CFC's were allowed.

The Antarctic ozone hole is just as large as it ever was.

Meanwhile, «large majorities incorrectly think that the hole in the ozone layer and aerosol spray cans contribute to global warming, leading many to incorrectly conclude that banning aerosol spray cans or stopping rockets from punching holes in the ozone layer are viable solutions.»

So far, I find the CO2 meme has larger holes in it than the ozone hole itself - a lot of that is thanks to observations mapped out by Erl.

The lead author of the recent study on the ozone layer believes that the reversal of the hole's expansion is in large part a result of the Protocol.

6 Ice age — time in the past when continental glaciers covered large parts of Earth's surface Global warming — a gradual increase in the temperature of Earth's atmosphere Greenhouse gas — Gases in the atmosphere, such as carbon dioxide, that trap solar energy Ozone hole — a large area of reduced ozone concentration in the stratosphere, found over Antarctica Chlorofluorocarbon — chlorine compounds that are the main cause of ozone depletion KEY Ozone hole — a large area of reduced ozone concentration in the stratosphere, found over Antarctica Chlorofluorocarbon — chlorine compounds that are the main cause of ozone depletion KEY ozone concentration in the stratosphere, found over Antarctica Chlorofluorocarbon — chlorine compounds that are the main cause of ozone depletion KEY ozone depletion KEY TERMS

Could not you infer, that since Australia has had as large or larger floods in the past, that perhaps the ozone hole has been here for awhile?

Large majorities of people incorrectly think that the hole in the ozone layer and aerosol spray cans contribute to global warming, which some concluding that banning spray cans or «stopping rockets from punching holes in the ozone layer» are effective climate change solutions.

Given China's growing number of cars, along with other pollution sources — and Coke's growing market share in China, bolstered by its offer this week to buy Huiyuan, the country's largest juice maker — the machines couldn't come at a better time for the environment.How it happened Refrigerators used to rely on CFCs (chlorofluorocarbons) for cooling — until it was discovered they were boring a hole in the ozone layer.