Sentences with phrase «of the ozone layer»

It remains unclear what specifically is driving the move, though climate change is a likely suspect, along with depletion of the ozone layer.

The destruction of the ozone layer in the atmosphere and the global greenhouse effect contribute in the occurrence of this phenomenon.

The thickness of the ozone layer depends upon the balance of many different processes.

The protective role of the ozone layer in the upper atmosphere is so vital that scientists believe life on land probably would not have evolved - and could not exist today - without it.

Future development of the ozone layer calculated by a general circulation model with fully interactive chemistry.

The reduction of the ozone layer and global warming are only two of the more obvious consequences.

The magnitude of our environmental problems, such as global warming and loss of the ozone layer, is forcing us to delve into the past and into other philosophies for an answer.

This is well above most of the ozone layer.

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.

This is due to the fact that the atmosphere warms with height in the stratosphere [because of the ozone layer].

We do not have to destroy the remainder of the ozone layer.

«Laws were put in place in 1987 within a year of the ozone layer being discovered,» he added.

The absence of an ozone layer would have allowed the light to pass through the atmosphere.

Therefore, our measurements contribute to a better monitoring of the ozone layer and ozone hole development.

Knowledge of the basic physical processes seems to be in flux as well: how long ago was the importance of the ozone layer and aerosols discovered?

The recovery of the ozone layer is being delayed by human emissions of greenhouse gases like carbon dioxide and methane.

In colder years, more ice particles will freeze, allowing more chemical destruction of the ozone layer.

Figure 20 shows how the thickness of the ozone layer is strongly correlated to the phase change conditions.

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

The WMO today reports rapid and record - breaking thinning of the ozone layer over the Arctic region over the course of this winter and early spring — with now 40 percent of it gone.

As the Montreal Protocol marks its 25th anniversary — the UN Day for the Preservation of the Ozone Layer — its legacy lives on, tugging and pulling at the sleeves of international efforts to address climate change.

At present, the long - term recovery of the Ozone Layer from the effects of CFCs is still on track, but the presence of increasing dichloromethane will add some uncertainty to our future predictions of ozone and climate.»

It encompasses both a steady thinning of the ozone layer at mid-latitudes and its catastrophic springtime collapse at the poles, often called the ozone hole.

It seems likely that depletion of the ozone layer near the PETM led to a loss of plankton and resulting collapse of marine ecosystems.

Industrial emissions of a chemical commonly used in solvents, paint removers, and the production of pharmaceuticals have doubled in the past few years, researchers have found, which could slow the healing of the ozone layer over Antarctica anywhere between 5 and 30 years — or even longer if levels continue to rise.

But the latest research, published in the journal Atmospheric Chemistry and Physics, finds that the bottom part of the ozone layer at more populated latitudes is not recovering, for reasons so far unidentified.

SAM is influenced by the warming and cooling of ozone layers as solar ultraviolet radiation waxes and wanes (Petrick et al 2012).

His 25 - year - old Dobsonmeter calculated the thickness of the ozone layer by measuring ultraviolet radiation penetrating the atmosphere and it...

Among others, national require ¬ ments lowered emissions from automotive engines, chemical plants and coal - fired power plants, and also targeted emissions that contributed to acid rain and depletion of the ozone layer of the atmosphere.

Hence, the chemical loss has been balanced by transport, such that in spring 1999/2000 the ozone layer above the Arctic has still been as thin as it always is in fall, in contrast to the normal seasonal increase of the thickness of the ozone layer during winter.

So the maximum loss occurrs in the heart of the ozone layer.

NOAA's activities are focused on ensuring a recovery of the ozone layer so that it once again provides protection to all life from the Sun's harmful UV radiation.

«A key source of information about the health of the ozone layer above the Arctic looks set to be choked off.

Volcanoes are not the only cause of ozone layer damage.

Sunshine in the southern spring and summer creates even more ozone - depleting gases, leading to the massive destruction of up to 65 percent of the ozone layer.

Actions taken under the Montreal Protocol on Substances that Deplete the Ozone Layer are enabling the return of the ozone layer to benchmark 1980 levels.

The ozone hole is a severe depletion of the ozone layer above Antarctica that was first detected in the 1980s.

In reality, climate change may be concentrated in certain places, rather as the thinning of the ozone layer manifested itself mainly in a gigantic ozone «hole» over Antarctica.

Twinkling stars will be used to produce three - dimensional maps of the ozone layer every three days when the European Space Agency launches ENVISAT in 1998.

The world's busiest aircraft flight corridor between North America and Europe borders one of the most threatened sectors of the ozone layer, over the North Atlantic, which thins by up to 25 per cent in late winter.