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Always best to consult one of the watch sites... Colorado State University is one of the participating members in a program designed to answer your question. see the links below.
Record sized Antarctic ozone hole in 2007, near record in 2008, 2009 season yet-to-occur.
The ozone hole heals when it is not winter at either the north or south pole. But the ozone layer is where UV-B is or is not absorbed by the amount of ozone along a vertical path. Ozone is still allowing more UV-B to arrive at the Earth's surface, so it appears that the ozone layer has not healed itself.
The ozone layer is self-healing. Depletion means that it gets thinner at equilibrium, when contaminants destroy ozone before sunlight gets a chance to. A way to measure the average thickness of the ozone between the Sun and any point on Earth's surface is to measure the amount of UV-B that arrives at a sensor at the surface. The size of the ozone hole is another indicator.
There is no indication that the ozone layer will reach some catastrophic failure point. So far it has shown to be a slow decrease in available ozone to block UV-B, allowing more UV-B to reach Earth's surface.
What else can I help you with?
What can you do to change the situation with the ozone layer?
Ozone layer is depleting. To protect it must curb the use of CFC's.
Why is the ozone layer named the ozone layer?
Ozone layer contains ozone in it. Therefore, it is named so.
What planet includes a layer of ozone?
Earth has a layer of ozone. It is present as the ozone layer.
What planet has a protective ozone layer?
Earth and Venus have a protective ozone layer. These planets have ozone molecules in ozone layer.
Where are all the layers of the ozone layer?
There are no layers in the ozone layer. It is a single layer of pool of ozone gas.
What can you do to change the situation with the ozone layer?
Ozone layer is depleting. To protect it must curb the use of CFC's.
Why is the ozone layer named the ozone layer?
Ozone layer contains ozone in it. Therefore, it is named so.
What is the name for the ozone layer in Tagalog?
ozone layer in Tagalog: ozone layer (no direct Tagalog translation)
What is the formed of ozone layer?
Ozone layer is formed of ozone. It is a gas.
What planet includes a layer of ozone?
Earth has a layer of ozone. It is present as the ozone layer.
What do you call damage to the ozone layer?
damage to ozone layer is called ozone depletion. It is thinning of ozone layer.
What are the layer of gases that surround the ozone layer?
The layer of gases that surround the atmosphere is ozone. It is present as the ozone layer.
What is the ozone layer and how are humans altering it?
Ozone layer is the layer of ozone. Humans are altering it by CFC's.
What is the layer of the atmosphere that inclides the ozone layer?
The ozone layer is in the stratosphere. It is a pool of ozone molecules.
What planet has a protective ozone layer?
Earth and Venus have a protective ozone layer. These planets have ozone molecules in ozone layer.
Where is thinning of the ozone layer taking place?
In the ozone layer. Where the ozone is.
What layer of the earth has the ozone in it?
The stratosphere has ozone in it. It is present as ozone layer.
