Sentences with phrase «ozone holes in»

What made 2011 different — and a watershed — argues Michelle Santee (a JPL colleague of Manney's and coauthor on the new paper), is that at long last, «the magnitude of the [Arctic] loss is comparable to that in the early Antarctic ozone holes in the mid 1980s.»

The model helped explain why scientists saw a record ozone hole in October 2015, a glaring exception to the shrinking trend.

The researchers tracked the yearly opening of the Antarctic ozone hole in the month of September, from 2000 to 2015.

In 1991, this depletion was as severe as in any year since the discovery of the ozone hole in the early 1980s, according to B. L. Johnson, T. Deshler and R. A. Thompson of the University of Wyoming, Laramie.

Hence the presence of an ozone hole in the very cold Antarctic polar vortex.

The Paramagnetic Oxygen Transport Thesis explains the failure of Brewer - Dobson equatorial ozone formation, the Ozone Hole in 1983, continued Antarctic cold temps concurrent with Arctic warming, mid-latitude ozone formation which accelerates jet streams and elongates Rossby wave loops, and wandering magnetic poles which control extreme weather and climate change.

Bhartia claims that the two groups (Farmans and his) were working independently without knowledge of each other, as if, had Farman not published, he, Bhartia, would have been able to present his paper on what would have been his discovery of the ozone hole in Prague.

Attention, Housekeeping: Clean - up on Aisle Ten; there is a disgusting spill from a mess of self - satisfaction leaking out of an ozone hole in the head.

There is nothing «natural» about these extremes of weather over the last 2 years, or about the unprecedented ozone hole in the Arctic last year (troposphere warming from greenhouse gases caused stratospheric cooling to below threshold temperature for polar stratospheric cloud generation and ozone destruction).

Jonathan Shanklin, one of the British Antarctic Survey (BAS) scientists who discovered the ozone hole in 1985, told the Climate News Network from the BAS Halley research station where he is working now:

The Antarctic ozone hole in 2016 was not exactly remarkable.

Until the 1990s, the widespread use of chlorofluorocarbons (CFCs) for refrigerants and aerosols created an ozone hole in the Earth's stratosphere (the second layer of the atmosphere from Earth's surface) over Antarctica.

Paradoxically, the ozone hole in 2011 was about as big as it was in 2006, even though CFCs should have declined in those years due to the phasing out of their use.

Shindell, D.T., S. Wong, and D. Rind, 1997: Interannual variability of the Antarctic ozone hole in a GCM.

This is the normal situation (which is why you don't generally get an ozone hole in the arctic.

Shindell, D.T., D. Rind, and N. Balachandran, 1999: Interannual variability of the Antarctic ozone hole in a GCM.

However, the stunning discovery of the Antarctic ozone hole in 1985 proved the skeptics wrong.

A study in Science magazine (Newman, 1994) concluded, «There is no credible evidence for an ozone hole in 1958.»

Another myth the skeptics repeat states that a French scientist found an Antarctic ozone hole in 1958 (Bailey, 1993).

Not exact matches

We managed to stop putting a hole in the ozone layer by phasing out the chemicals that were causing it (cholofluorocarbons) and, as a result, the hole is closing and there are millions fewer cases of skin cancer than there would otherwise have been.

Global warming, the ozone hole, overpopulation, starvation and malnutrition, war, unemployment, the destruction of species and the rain forests, pollution of water and air, pesticide and herbicide poisoning, errors in genetic engineering, erosion of topsoil, overfishing, anarchy and crime, the possibility of a nuclear mishap, chemical warfare or all - out nuclear war: together, or in some cases singly, these dangers threaten to «catch us unexpectedly, like a trap.»

We have, for example, already taken some measures to deal with one of the probable causes of the growing holes in the ozone layer, and to reverse the destruction of European forests by acid rain.

By the late 1980s it became clear that global atmospheric pollution causing both the greenhouse effect and the hole in the ozone layer had become critical threats to life on earth (Henderson - Sellers & Blong 1989).

Everything that has happened since then, including the greenhouse effect and the hole in the ozone layer, makes it clear that a future world could not sustain a population of even the present number at a higher level of industrial development without reaching environmental limits.

Nature may kick back at us from time to time — with erosion, pollution, holes in the ozone layer and so on — but we like to think that these are simply impersonal matters of ecological imbalance.

Climate change, smog, acid rain, dead zones and the ozone hole are real issues affecting the planet, and nitrogen pollution plays a key role in each of them.

I live in Australia, skin cancer capital and right below the hole in the ozone layer, yet I still couldn't get enough vitamin d. No matter what I did, it took pregnancy vitamins + maximum vitamin d to get me to acceptable levels.

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.

First sighted over Antarctica in the mid-1980s, the so - called ozone hole led to an international ban on CFCs in 1987.

If CH2Cl2 emissions continue to rise at the rate seen in the last decade, recovery of the ozone hole would be delayed about 30 years, the researchers estimate in Nature Communications.

In October 1983, Farman discovered that a huge hole had opened up in the ozone layer over Antarctica — and that it was man - madIn October 1983, Farman discovered that a huge hole had opened up in the ozone layer over Antarctica — and that it was man - madin the ozone layer over Antarctica — and that it was man - made.

Tedesco warns that as the Antarctic ozone hole heals in the coming decades, the winds that seal the continent from warm air will weaken and it will become much warmer in summer.

Ever since its discovery in 1985, the springtime ozone hole over Antarctica has been an insistent reminder of humankind's ability to cause environmental harm.

For while NASA's satellites had been monitoring ozone levels around the world 24/7, Farman had found the hole with an ageing instrument wrapped in a quilt.

Still, arctic ozone levels fell during most winters in the 1990s, making researchers worry that a northern ozone hole might appear.

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.

Good news for fans of planet Earth: The seasonal hole in the ozone layer over Antarctica was at its second - smallest point in the past 20 years, according to new research from NASA and the National Oceanic and Atmospheric Administration (NOAA).

The ozone hole, depicted in red, begins forming every year in early September, when the spring sunlight ends Antarctica's long, dark winters.

The ozone hole plays a role in the stronger winds, but so does increasing temperature.

Since it was discovered in 1985, the Antarctic ozone hole has been a potent symbol of humankind's ability to cause unintended environmental harm.

They identified 10 environmental limits we might not want to transgress in the Anthropocene: aerosol pollution; biodiversity loss; chemical pollution; climate change; freshwater use; changes in land use (forests to fields, for example); nitrogen and phosphorus cycles; ocean acidity; and the ozone hole.

The annual Antarctic ozone hole has caused significant changes in Southern Hemisphere surface climate in the summer.

The images above show the Antarctic ozone hole on September 16 (the International Day for the Preservation of the Ozone Layer) in the years 1979, 1987, 2006, and ozone hole on September 16 (the International Day for the Preservation of the Ozone Layer) in the years 1979, 1987, 2006, and Ozone Layer) in the years 1979, 1987, 2006, and 2011.

Meanwhile, the ozone hole has strengthened winds in the region, which may be hindering the carbon storage.

Measurements have shown that ozone depletion starts each year in late August, as Antarctica emerges from its dark winter, and the hole is fully formed by early October.

Solomon and her colleagues believed they would get a clearer picture of chlorine's effects by looking earlier in the year, at ozone levels in September, when cold winter temperatures still prevail and the ozone hole is opening up.

The team did observe an important outlier in the trend: In 2015, the ozone hole reached a record size, despite the fact that atmospheric chlorine continued to droin the trend: In 2015, the ozone hole reached a record size, despite the fact that atmospheric chlorine continued to droIn 2015, the ozone hole reached a record size, despite the fact that atmospheric chlorine continued to drop.

«I think people, myself included, had been too focused on October, because that's when the ozone hole is enormous, in its full glory,» Solomon says.

In 1987, virtually every country in the world signed on to the Montreal Protocol in a concerted effort to ban the use of CFCs and repair the ozone holIn 1987, virtually every country in the world signed on to the Montreal Protocol in a concerted effort to ban the use of CFCs and repair the ozone holin the world signed on to the Montreal Protocol in a concerted effort to ban the use of CFCs and repair the ozone holin a concerted effort to ban the use of CFCs and repair the ozone hole.