Sentences with phrase «as ozone holes»

These regions are more commonly known as ozone holes.

It's worth noting that most model projections suggest that the SAM trend may level off for a while as the ozone hole gradually declines, but those same model projections suggest the SAM trend will recover as CO2 continues to rise.

The Antarctic decline seems to cease about the same time as the ozone hole really gets serious.

By mid-century, however, ozone hole - effects may instead be adding to the warming around Antarctica, but with diminished amplitude as the ozone hole heals.

As the ozone hole is a winter (JJA) phenomena and the strongest cooling is in the summer (DJF) I find the ozone hole an unlikely source.

«As far as the ozone hole being gone, we're looking at 2060 or 2080.

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.

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.

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.

As chlorine levels continue to dissipate from the atmosphere, Solomon sees no reason why, barring future volcanic eruptions, the ozone hole shouldn't shrink and eventually close permanently by midcentury.

And, they tracked meteorological changes, such as temperature and wind, which can shift the ozone hole back and forth.

This year, scientists recorded the minimum thickness of the ozone layer at 101 Dobson units on October 4, 2015, as compared to 250 - 350 Dobson units during the 1960s, before the Antarctic ozone hole occurred.

In «Don't Blind NASA to Earth's Climate» [Science Agenda], the editors refer to NASA as having «spotted a dangerous, growing hole» in the ozone layer in the 1980s.

Tracking the ozone layer's recovery process is tricky because natural phenomena such as volcanic eruptions and weather variations can alter the size of the ozone hole.

The concentration of pollutants such as chlorofluorocarbons (CFCs) represents one key factor in ozone destruction, but weather conditions impact the hole as well.

This year's ozone hole above Antarctica may be deeper than ever as a result of the eruption of Mount Pinatubo.

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.

As for # 11, «BTW, the ozone hole over Antarctica is not getting any smaller, despite decreasing amount of chlorohydrocarbons.

Now, scientists have discovered that manmade GHGs and associated climate change are likely to have a severe adverse impact on human health as bad as — if not worse than — the hole in the ozone layer.

As the stratosphere has been cooling, we get Arctic ozone holes....

As most of the earth is covered by ocean the next questions could be of the UV / VIS - spectrum of water:» How deep under water floating algae can photosynthesize and what is the effect of ozone hole to the primary production on the southern ocean?»

As I noted in the introduction to this post, the SAM trend is partly explained by ozone depletion in the stratosphere, and the most clearly anomalous melt in the James Ross Island core occurs after the late 1970s, about the time the ozone hole appeared.

Global warming is widely viewed at the policy level as a pollution problem like acid rain, smog, or the ozone hole.

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.

The recipe for massive springtime ozone loss in the polar regions, such as the annual ozone hole seen over Antarctica during the past two decades, is fairly simple.

It seems like the effort has all been worth it, as Professor Susan Solomon of the Massachusetts Institute of Technology and a team of scientists from NCAS and the University of Leeds report the «first signs of healing» of the ozone layer, confirming predictions that the hole in the ozone layer could close by the middle of this century.

Indeed, according to many surveys, the ozone hole still resonates in the popular imagination — incorrectly — as a cause of global warming simply because it is so memorable and has something to do with the changing atmosphere.

Scientists use the word hole as a metaphor for the area in which ozone concentrations drop below the historical threshold of 220 Dobson Units.

HFCs, which are used primarily as refrigerants in air conditioning, were phased in as a replacement for CFCs in the 1980s and 1990s in an attempt to stop the growth of the hole in the ozone layer.

But of course the Ozone Hole over Kennebunkport remains a rallying call for the ideologues who still point to the protection of ozone as politicized sciOzone Hole over Kennebunkport remains a rallying call for the ideologues who still point to the protection of ozone as politicized sciozone as politicized science.

Look at the «ozone hole» issue... where victory is claimed in healing the Antarctic ozone hole by banning of fluorocarbons although only some Western countries (such as US) banned the chemicalswhile other major users didn't.

Some years ago I asked the two leadimg ozone hole institutes whether or not there might always have been a fluctuating ozone hole as we have only been able to measure it from the 1950's and they said they did not think it likely but that it was possible.

It was determined that a major cause of changes in the size and extent of the Antarctic ozone hole are the intense wind patterns and circulations associated with the extensive Antarctic high - pressure zone and the surrounding wind pattern known as the Circumpolar Vortex.

Some of the crazier hype in the early days of the ozone hole — such as blind sheep in Patagonia and collapsing marine ecosystems — proved nonsense.

If the record had been a tropical jungle or sea I'd have considered my hypothesis falsfied but so far every prediction made by it fits what has been observed with the sole exception of the Antarctic interior but that may be due to exceptional characteristics such as the strong polar vortex, ozone hole, and a temperature far lower than anywhere else on the planet.

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.

When life on Earth ends, however, no one will know what caused it — the cause could have been ANY of the MANY environmental threats we were told were going to end life on Earth as we knew it, starting in the 1960s with DDT... then other pesticides, acid rain, hole in the ozone layer, global warming, global cooling, climate change, etc..

The discovery of the so - called «ozone hole» over the south polar region in 1986 was so disturbing, in fact, that 197 nations agreed to ban CFC's, widely used in air conditioners and refrigerators, just a year later, in an agreement known as the Montreal Protocol.

When we first discussed AGW data fraud he told me that the current situation was nowhere near as disturbing as during the ozone hole scare.

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

I provided a few links that demonstrate that your suggestions of a CFC ozone hole hoax are either incorrect or, at a minimum, lacking in critical nuance, yet you ignored them as well.

As regards the ozone hole, as your link shows we do not know the historic measurements and do not know if we may have been trying to fix something that was not brokeAs regards the ozone hole, as your link shows we do not know the historic measurements and do not know if we may have been trying to fix something that was not brokeas your link shows we do not know the historic measurements and do not know if we may have been trying to fix something that was not broken.

As detailed in the new issue of the journal Geophysical Research Letters, the team's calculations reveal that the ozone hole is 15 percent smaller than it was at its maximum in the 1990s.

This has almost nothing to do with the environmental policy anymore, with problems such as deforestation or the ozone hole,» «We redistribute de facto the world's wealth by climate policy,» Ottmar Edenhofer, IPCC working group on Mitigation of Climate Change 2008 to 2015.

«Despite the low solar elevations in Antarctica, UV - B radiation doses in late spring during the ozone hole period can be sufficient to induce sunburn, and are about twice as great as those that would have occurred prior to the onset of ozone depletion.

In late spring or early summer (November - December) the ozone hole disappears as ozone - depleted air is displaced and diluted by ozone - rich air from outside the ozone hole.

It sounds to the outsider as though it is very important to you guys to say that the addition of ice in Antarctica is NOT due to global warming, a separate issue related to Ozone (are humans responsible for the Ozone hole?).

Reading the Wikipedia article yesterday, it seems that the ozone «hole», as opposed to the global gradual decline, was found at a politically convenient time.

Now scientists at MIT along with others have found that since 2000 the ozone hole has actually shrunk by an area half the size of the contiguous United States, although the process is also heavily affected by variables such as volcanic eruptions from year to year.

Sudden stratospheric warming can significantly alter temperature - dependent chemical reactions of ozone and other reactive gases in the stratosphere and affect the development of such features as «ozone holes.»