Sentences with phrase «seasonal ozone hole»
She collected pollen and irradiated it in a lab for 3 minutes with UV light, simulating the amount of UV that can reach the Earth's surface in Patagonia and other regions in the southern hemisphere under the seasonal ozone hole.
http://www.sciencemag.org/ Not exact matches
Good news for fans of planet Earth: The seasonal hole in the ozone layer over Antarctica was at its second - smallest point in the past 20 years, according to new research from NASA and the National Oceanic and Atmospheric Administration (NOAA).
Since then, scientists have observed seasonal fluctuations in the size of the ozone hole.
In the mid-1980s, scientists discovered that a seasonal hole was forming in the ozone layer over the South Pole.
The Arctic ice pack is thinning, and in many years there is also a seasonal hole in the ozone layer.
The mother of the climate fraud is the ozone fraud which was able to convince us that localized and seasonal formation of regions with less than 200 DU of total ozone were «holes» of some sort and to further convince us that these «ozone holes» were evidence of global ozone depletion caused by the destruction of ozone by man made halogenated hydrocarbons.