Sentences with phrase «polar ozone loss»

Lu's predictions for increased polar ozone loss in 2008/2009 as a function of the low solar activity (and therefore higher CR flux) did not come to pass.

This gives a more accurate simulation of the conditions for polar ozone loss.»

Not exact matches

Colder temperatures and weaker high - altitude winds may make the arctic polar vortex even more intense in future winters and trigger greater ozone loss, says atmospheric scientist Paul Newman of NASA's Goddard Space Flight Center in Greenbelt, Maryland, although the losses probably won't approach those in Antarctica.

Unusual polar cold produces clouds that could help push ozone losses beyond 2011 mark, releasing extra UV radiation.

But again this does not prevent further ozone loss, because stable remnants of the polar vortex often survive the breakdown for weeks and ozone loss can continue in these remnants.

Increased polar stratospheric ozone losses and delayed eventual recovery owing to increasing greenhouse - gas concentration.

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.

The red points show estimates of the average degree of chemical ozone loss inside the Arctic polar vortex.

But again this does not prevent further ozone loss, because stable remnants of the polar vortex often survive the breakdown for weeks and ozone loss can continue in these remnants.

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In the year with strong wave energy, by contrast, the lower stratospheric warming in July and August leads to reduced ozone losses throughout the Southern Hemisphere spring, when the sunlight that powers ozone depletion chemistry returns to the polar regions.

Increased polar stratospheric ozone losses and delayed eventual recovery due to increasing greenhouse gas concentrations.

Here, a color - coded map showing Earth's north polar region and very low ozone in the stratosphere at an altitude of 12 miles (20 kilometers) in mid-March 2011, the peak of ozone loss.

«Although stratospheric ozone losses are expected to stabilize and eventually recover to preindustrial levels over the course of the twenty - first century, these results show that increasing greenhouse gases will continue to intensify the polar vortex throughout the twenty - first century, but that radiative forcing will cause widespread temperature increases over the entire Southern Hemisphere.»

While the results do not show a significant impact on human health, especially considering that most of the ozone loss documented in this study occurs over the northern polar region, they are important scientifically.

This year seems to have been anomalous, and the polar vortex was quite strong, leading to more cooling, PSC formation and significant springtime ozone loss.

Shindell, D.T., D. Rind, and P. Lonergan, 1998: Increased polar stratospheric ozone losses and delayed eventual recovery owing to increasing greenhouse - gas concentrations.