Sentences with phrase «on ozone recovery»

Shindell, D.T., and V. Grewe, 2002: Separating the influence of halogen and climate changes on ozone recovery in the upper stratosphere.

Not exact matches

Recent increases in an unregulated ozone - depleting substance, could delay recovery of Antarctic ozone levels by 5 - 30 years, depending on emissions scenarios.

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.&rOzone 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.&rozone and climate.»

«Ozone recovery may be delayed by unregulated chemicals: Recent increases in an unregulated ozone - depleting substance, could delay recovery of Antarctic ozone levels by 5 - 30 years, depending on emissions scenarios.&rOzone recovery may be delayed by unregulated chemicals: Recent increases in an unregulated ozone - depleting substance, could delay recovery of Antarctic ozone levels by 5 - 30 years, depending on emissions scenarios.&rozone - depleting substance, could delay recovery of Antarctic ozone levels by 5 - 30 years, depending on emissions scenarios.&rozone levels by 5 - 30 years, depending on emissions scenarios.»

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 lead to uncertainty in our future predictions of ozone and climate.&rOzone Layer from the effects of CFCs is still on track, but the presence of increasing dichloromethane will lead to uncertainty in our future predictions of ozone and climate.&rozone and climate.»

Earth's protective ozone layer is well on track to recovery in the next few decades thanks to concerted international action against ozone depleting substances, according to a new assessment by 300 scientists.

The success of the Montreal Protocol should encourage further action not only on the protection and recovery of the ozone layer but also on climate.

«Earth's ozone layer on track to recovery, scientists report.»

«There are positive indications that the ozone layer is on track to recovery towards the middle of the century.

Scientists may have spotted Antarctica's ozone hole on the road to recovery, at least a decade sooner than they thought healing would be noticeable.

For example, Chemistry - Climate models allow the possible effects of climate change on the recovery of the ozone hole to be studied.

Short - lived substances, on the other hand, will have a minimal effect on delaying ozone recovery because they are more likely to degrade before reaching the stratosphere, she said.

«NASA researchers share perspective on key elements of ozone layer recovery.»

Stratospheric cooling as a result of excess CO2 does influence ozone recovery, and ozone changes in the troposphere and stratosphere to have effects on radiative balance of the planet.

The Montreal Protocol on Substances that Deplete the Ozone Layer («Montreal Protocol») is often cited as the most successful international environmental agreement — having successfully forced the phase - out of more than ninety - eight percent of ozone - depleting substances («ODS»), placing the ozone layer on the road to recovery by the end of the twenty - first cenOzone Layer («Montreal Protocol») is often cited as the most successful international environmental agreement — having successfully forced the phase - out of more than ninety - eight percent of ozone - depleting substances («ODS»), placing the ozone layer on the road to recovery by the end of the twenty - first cenozone - depleting substances («ODS»), placing the ozone layer on the road to recovery by the end of the twenty - first cenozone layer on the road to recovery by the end of the twenty - first century.

The recovery of the damaged ozone layer which protects life on Earth from harmful solar radiation is no longer happening worldwide.

The success of that agreement, which has put the ozone layer on the path to recovery by 2065, calls for a repeat.

The trend was interrupted following international agreements (Montreal Protocol and its Amendments signed 30 years ago in 1987) on the reduction of ozone - depleting substances, and the first signs of ozone recovery were seen by satellites.

We determine its likely evolution for three intergovernmental panel on climate change (IPCC) special report on emission scenarios (SRES) for austral summer and winter, using a multi-model ensemble of IPCC fourth assessment report models which resolve stratospheric ozone recovery.

Worldwide bans on the worst ozone depleting chemicals has halted growth of ozone depletion, after years of worsening, and signs of recovery are expected to become statistically detectable in the next several years.

But on current emission trends, that could delay the ozone hole's recovery by 30 years, until at least 2095, he suggested.

Montreal IGSD names «that other» climate treaty, 1987's Montreal Protocol «one of the world's most successful multilateral environmental agreements, having phased out 97 percent of almost 100 ozone - depleting substances — placing the ozone layer on a path to recovery later this century».

Progress continues on reducing atmospheric amounts of chlorine and bromine so as to allow for the recovery of the ozone layer.

Continued monitoring of ozone and ozone - depleting substances is essential for verification of ozone layer recovery as expected by about 2050, which hinges on the complete elimination of atmospheric ozone - depleting substances.

(sarc) The correct answer to all political questions about TCR global sun - induced ozone recovery sensitivity (50 % undefined or rather obscurely neglecting the modelling of bark beetles and their modelled «black carbon» on ice sheets.)

With the ozone hole already on its way to recovery, parties to the Protocol are targeting hydrofluorocarbons, a group of chemicals that are powerful catalysts of climate change.

As for the ozone hole over Antarctica, scientists have only recently started to quantify the impact of ozone depletion and recovery on the surface climate.

Well, the ozone layer is on a path towards recovery, but we can't pat ourselves on the back just yet.

But not only must models of ozone loss and recovery factor in global warming — abnormally low stratospheric ozone has also a marked effect on climate change here and now.

The evolution of the forcing due to stratospheric O3 loss hinges on the rate of recovery of the ozone layer, with special regards to the spatial structure of such a recovery in the mid - to high latitudes.

On top of the additional contraction expected from ozone recovery, this suggests that the rapid pace of Hadley Cell expansion observed since 1980 will likely not be maintained through the first half of the 21st century.

In their prediction of future climate, many IPCC models did not consider the expected ozone recovery and its potential impacts on climate change.

The chemistry - climate models used for the 2006 Ozone Assessment, predict that the Antarctic ozone hole will achieve full recovery in the second half of this century, and that this may have profound impacts on the surface winds and, likely, on other aspects of the Earth's climate, including surface temperatures, locations of storm tracks, extent of dry zones, amount of sea ice, and ocean circulaOzone Assessment, predict that the Antarctic ozone hole will achieve full recovery in the second half of this century, and that this may have profound impacts on the surface winds and, likely, on other aspects of the Earth's climate, including surface temperatures, locations of storm tracks, extent of dry zones, amount of sea ice, and ocean circulaozone hole will achieve full recovery in the second half of this century, and that this may have profound impacts on the surface winds and, likely, on other aspects of the Earth's climate, including surface temperatures, locations of storm tracks, extent of dry zones, amount of sea ice, and ocean circulation.