Sentences with phrase «annual ozone hole»
Twenty years after the Montreal Protocol came into effect to regulate substances that deplete the ozone layer, the annual ozone hole above Antarctica shows no signs of recovery.
http://blogs.nature.com/
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.
Not exact matches
The annual Antarctic ozone hole has caused significant changes in Southern Hemisphere surface climate in the summer.
That's why the annual «ozone hole» is so scary and has to be tracked so assiduously.
Until then, annual measures of peak ozone hole size should be taken with a grain of salt, the researchers said.
Instead, changes in the South Pole's ozone hole from year - to - year are likely the result of natural variations in wind patterns, researchers said here Wednesday (Dec. 11) in a press conference at the annual meeting of the American Geophysical Union.
On an annual basis he provides Antarctic ozone «hole» alert information to stakeholders and the public.
The influence of the Southern Annual Mode (SAM) The reason, ScienceNOW's Phil Berardelli explains, is the presence of the Southern Annual Mode (SAM), a wind pattern created by the appearance of the ozone hole that prevents warm air from reaching Antarctica.