Sentences with phrase «ozone layer much»

This will make recovery of the stratospheric ozone layer much slower.

But in the past five years, evidence has emerged that potential ozone - eating compounds can reach the ozone layer much faster than previously thought.

Evidence has emerged that potential ozone - eating compounds can reach the ozone layer much faster than previously thought.

Not exact matches

In 2004, Looy and her former Ph.D. advisor Henk Visscher proposed one way this might have played out, bases on fossilized abnormal plant spores found worldwide: volcanic gases — halocarbons like methyl chloride and methyl bromide — destroyed much or all of Earth's ozone layer, boosting UV - B exposure that would have affected life and potentially increased the genetic mutation rates in pollen and spores of plants worldwide.

This must have happened before the atmosphere contained much oxygen, because once the gas formed a primitive ozone layer, very intense light no longer reached Earth's surface.

The measures don't reveal exactly how much bromine is in the upper atmosphere, where the ozone layer sits, but they can be used to predict how much of the ozone - destroying chemical will eventually make its way there.

Methyl bromide may be responsible for as much as 10 per cent of the thinning of the ozone layer over Antarctica today.

In Copenhagen, scientists advised the ministers that banning methyl bromide as a fumigant could have as much effect on the ozone layer as banning CFCs and carbon tetrachloride 3 years earlier than scheduled.

«A much - discussed idea to offset global warming by injecting sulfate particles into the stratosphere would have a drastic impact on Earth's protective ozone layer, new research concludes.

By 2060 the ozone layer is effectively extinct and without it, the Earth's surface is a much less friendly place: You would only have to be outside for about five minutes to get sunburned and the incidence of skin cancer would increase substantially.

But it is also well known that just looking at fields of total ozone does not tell us much about chemical loss (total ozone is a measure of the «thickness» of the ozone layer).

Earth's much thicker layer of low - level ozone, however, has a much larger contribution from the build - up of molecular oxygen beginning some 2.4 billion years ago from photosynthetic microbes excreting oxygen as a waste gas, which now along with plant life is constantly replenishing Earth's two - atom as well as three - stom ozone oxygen molecules.

And it's much worse in Australia and New Zealand — thanks to a hole in the ozone layer the size of North America.

But it is also well known that just looking at fields of total ozone does not tell us much about chemical loss (total ozone is a measure of the «thickness» of the ozone layer).

Conversely, imagine a different scenario in which much of the heat in the layer comes from something else (e.g., ozone).

I guess the question is, if all else was held the same — if we had our fossil fuel industry but had not invented the chlorofluorocarbons and equivalents so hadn't lost so much of the ozone layer for so long — would that change climate sensitivity?

Protecting the ozone layer «presents a much greater industrial and political challenge than previously thought,» said Rowley.

While they do not expect the gases to do much damage to the ozone layer, think they may add to global warming.

Now we are reaping the rewards, with the ozone layer in much better shape than it would have been without the United Nations (UN) treaty.

The ozone layer absorbs as much as 99 percent of the sun's dangerous high - frequency ultraviolet light, making Earth habitable.

The stratospheric ozone layer has become substantially depleted throughout much of the globe since the 1980s because of enhanced human production and use of ozone - depleting chemicals, such as chlorofluorocarbons, halons, and others, during the 20th century.

Studies of potential climate change effects (e.g., changes in temperature, circulation, or the abundance of other chemicals) allow for much less ambiguity in accurately attributing any observed changes in the ozone layer to their appropriate cause.

22 Ozone in the stratosphere filters out much of the harmful ultraviolet radiation from the sun View Figure 25 on page 379 of your textbook In the 1970s scientists noticed that the ozone layer over Antarctica was growing thinner OZONE DEPLOzone in the stratosphere filters out much of the harmful ultraviolet radiation from the sun View Figure 25 on page 379 of your textbook In the 1970s scientists noticed that the ozone layer over Antarctica was growing thinner OZONE DEPLOzone in the stratosphere filters out much of the harmful ultraviolet radiation from the sun View Figure 25 on page 379 of your textbook In the 1970s scientists noticed that the ozone layer over Antarctica was growing thinner OZONE DEPLozone layer over Antarctica was growing thinner OZONE DEPLozone layer over Antarctica was growing thinner OZONE DEPLOZONE DEPLOZONE DEPLETION

Even in the ozone layer the concentration of ozone is at most 1/500 of CO2 in the troposphere and this is in much thinner air.

As obvious on figures 6 - A and 6 - B, Ttop and Ptop are determined by the water vapour that radiates over some 1900 cm - 1 much more than the 40 cm - 1 of the tropospheric CO2 near 614 cm - 1 and 718 cm - 1.; stratospheric radiation to the cosmos is not very important because the cooling of each layer is exactly equal to its heating mostly by UV absorbed by Ozone.

As is reported over at PJ Media, in spite of very recent claims of an ozone recovery, conveniently timed with a celebration of the Montreal Protocol's 25th anniversary, there is much dispute about the state of the ozone layer.

The ozone layer may not have be damaged, much less fixed, yet the role of the precautionary principle has been written out of history.

The ozone layer would be quite good at its job of protecting Earth from too much ultraviolet radiation - that is, it would if humans did not contribute to the process.

The controversy surrounding environmental policy has, perhaps surprisingly, arisen not so much from the issue of conserving non-renewable commodities such as fossil fuels or industrial metals, but from the increasing scarcity or overuse of renewable natural resources, causing problems such as water and air pollution, or damage to global commons such as the atmosphere or the ozone layer.