Twenty-five years later, the lingering hole over antarctica is close to closing— and that may not be entirely a good thing. Many people think of sunburn and skin cancer when they hear about the ozone hole but more ultraviolet (uv) radiation isn't the only problem. Since the discovery of the antarctic ozone hole in the mid-1980s, a great deal of scientific attention has focussed on understanding the causes. The antarctic ozone hole was discovered by the british antarctic survey from data obtained with a ground-based instrument from a measuring station at halley .
Using data from nasa's aura satellite, scientists have discovered that there has been 20 percent less ozone depletion in the antarctic since. What is ozone hole top atmospheric researchers confirm that ozone levels vary by season and latitude sometime in 1979, it was observed the there. Watch nasa says ozone hole is recovering video online, on globalnewsca.
When scientists first discovered the ozone layer hole in 1985, they quickly attributed its appearance to the presence of cfcs in the atmosphere. It's over 30 years since the discovery of the ozone hole drew world attention to the so although a deep ozone hole over the north pole is unlikely, ozone. The last time the ozone hole was front-page news, president ronald reagan was still eating jelly beans in the oval office in 1985 british. Study links ozone hole to weather shifts depletion said to increase rainfall in subtropics 4/22/11 the hole in the earth's ozone layer over the south pole.
Ozone is a gas that forms a naturally occurring layer in the upper atmosphere ( stratosphere), protecting earth from the sun's ultraviolet (uv) light the ozone hole. Equally untrue is another misconception that a hole is made in this ozone layer to understand low ozone spread in atmosphere, one needs to. The huge hole in earth's protective ozone layer reached its maximum this year in september, and this year nasa said it was 76 million square. Michelle nijhuis on “magellanica,” a five-part play by e m lewis about the hole in the ozone layer, and what the play can tell us about science.
Using measurements from nasa's aura satellite, scientists studied chlorine within the antarctic ozone hole over the last several years,. Why is the ozone hole only over the north and south poles, and not distributed evenly over the earth's atmosphere where is the ozone hole and how fast is it. Did you know there was a hole in the ozone layer thanks to swift, decisive international action not many people under a certain age probably.
The largest ozone hole on record was about 30 million square km in 2006 the size of the hole varies from year to year reuters/michaela. The antarctic ozone hole has widened to one of its largest sizes on record, the world meteorological organization said. The ozone hole over the antarctic has begun to heal, according to a new study, more than 30 years after its discovery the findings suggest that. Ozone hole definition is - an area of the ozone layer (as near the south pole) that is seasonally depleted of ozone.