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Antarctica is more prone for ozone hole. It is because the temperature required for ozone depletion is only present at the poles.
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What causes the ozone hole to expand?
As the CFCs are carried to Antarctica there is a big ozone hole. Chlorine and bromine atoms from CFCs (chlorofluorocarbons) separate and destroy ozone molecules, but remain active for several years continuing their destruction. So if more CFCs will be produced in the world more CFCs will be carried to Antarctica by the polar winds and more depletion and the rate of depletion will exceed the rate of formation of ozone molecules resulting in the expansion of ozone hole over Antarctica.
Where does the hole in the ozone layer occur?
The largest repeating ozone hole is in the ozone layer over the south pole. The continent under it is Antarctica.
Which place the UV rays reaches the land more?
It reaches the land at Antarctica. It is because the ozone hole is present there.
Why do you think an ozone hole in the Northern Stratosphere is more dangerous than one located above Antarctica?
Ozone hole over Northern Stratosphere is dangerous. It is because it is present over human race.
The hole in the ozone layer of the earth was first discovered over what area?
Ozone layer formation was a natural process in which oxygen was converted to ozone by UV radiations. It is located about 20 to 30 kilometres (12 to 19 mi) above Earth, though the thickness varies seasonally and geographically.
Which areas on earth would people most likely be affected by an ozone hole?
People living in regions near the poles, such as Antarctica and the Arctic, are most likely to be affected by an ozone hole. This is because the conditions for ozone depletion are more favorable in these areas due to factors like low temperatures and polar stratospheric clouds.
When was the massive hole in the ozone layer over the Antarctica first discovered?
The ozone hole first appeared when the ozone layer first appeared. The only variable is the "size" of the hole, and the ozone concentration in the "hole". The pole of the Earth that is experiencing winter receives none of the UV that makes ozone (for like a month or more), and ozone naturally decays with time. TThe ozone hole is a normal feature of our ozone layer. It appears each year when it is winter at one of our poles. So it first appeared when the ozone layer appeared. We first noticed the ozone hole in 1985, above Antartica. One forms over the Arctic pole too when it is winter there. They heal closed again once sunlight reaches the pole. Its not so much the presence or absence of an ozone hole, but its size that is important. It is important to look out for the ozone hole
Where is the hole on the ozone layer?
*The ozone hole is centered on Antarctica, so for it to stretch all the way up to Australia, it would have to be quite large. That means that much of the Antarctic Ocean and the Southern parts of other oceans would be exposed, and these regions are very important to the world ecology. This might harm some species of plankton and other ocean plants and animals (David Palmer: for Ask an Astrophysicist). The ozone hole forms in the ozone layer above the pole that currently is having winter, has a size controlled by the contaminants that deplete ozone (some natural, some Manmade), and may be bigger than (for example) Antarctica. The largest ozone hole occurs over Antarctica, due to Earth's magnetic field directing more hydrogen there from the solar wind. More correctly, the Southern polar hole is formed when the Earth is farthest from the Sun, which reduces the amount of light available to form "fresh" ozone. The ozone "hole" is a thin spot with little ozone. The holes are located at the poles, and essentially disappear when there is summer in the hemisphere with that pole. So one at the South pole in "July" and a different smaller on at the North pole in "January". And they heal up entirely a few months later.
What is the reason of ozone depletion in antarctica?
Ozone depletion occurs only over Antarctica. It is because of the low temperature there.Another AnswerOzone depletion allows more of the sun's UV rays to penetrate earth's protective layer and summarily burn all it touches. Humans who spend time outdoors in Antarctica without appropriate detection earn a permanent burn on their skin when exposed to these rays.Ozone depletion reaches north into Chile and Argentina and is not confined to the continent of Antarctica. Ozone depletion is caused by sunlight shining on air and separating the molecules so that ozone is depleted. The phenomenon occurs primarily at higher latitudes, both north and south.You can read more, below.
Where is Australia affected by the ozone layer hole?
The ozone layer hole primarily affects the region above Antarctica. While Australia is not in the direct path of the ozone hole, it can still experience some impacts from ozone depletion, such as increased UV radiation levels. These effects are more pronounced in the southern parts of the country.
Is there a northern ozone hole?
Yes. It is smaller than the southern polar ozone hole. There is a hole that forms in the ozone layer above the pole that is experiencing winter. The Southern pole get more hydrogen nucleii form the solar wind than the northern pole does, due to Earth's current magnetic field arrangement. This is why the southern polar hole is larger than the northern polar hole.
Is it more desirable to have a small ozone hole and high concentrations of ozone or to have large ozone hole and low concentrations of ozone?
It is desirable to have small ozone hole. Because UV can't penetrate normal ozone blanket too.
