Ozone and the ozone layer Australia.
The ozone layer is a layer of ozone high up in the Earth's atmosphere stratosphere, between approximately 10 kilometres and 50 kilometres above Earth’s surface.The exact amount of ozone varies, depending on the seasons and the location. This layer absorbs between 93 and 99 per cent of the ultraviolet radiation from the sun. This radiation is dangerous to living organisms on Earth.
Ozone depletion consists of two related events observed since the late 1970s: a steady lowering of about four percent in the total amount of ozone in Earth's atmosphere (the ozone layer), and a much larger springtime decrease in stratospheric ozone around Earth's polar regions. The latter phenomenon is referred to as the ozone hole.There are also springtime polar tropospheric ozone depletion.
The year is 2065. Nearly two-thirds of Earth’s ozone is gone—not just over the poles, but everywhere. The infamous ozone hole over Antarctica, first discovered in the 1980s, is a year-round fixture, with a twin over the North Pole. The ultraviolet (UV) radiation falling on mid-latitude cities like Washington, D.C., is strong enough to cause sunburn in just five minutes.
In 1987, the recognition of the potential for chlorine and bromine to destroy stratospheric ozone led to the Montreal Protocol on Substances that Deplete the Ozone Layer, as part of the 1985 Vienna Convention for the Protection of the Ozone Layer, to reduce the global production of ozone-depleting substances. Subsequently, global observations of significant ozone depletion have prompted.
Ozone. The stratospheric ozone layer is a normal part in the Earth's atmosphere that absorbs high-frequency ultraviolet (UV) rays and protects us from their damaging effects. In contrast, ground-level ozone is an air pollutant, which has harmful respiratory and cardiovascular effects. Ground-level O 3 is largely the result of UV photolysis of NOx and VOCs (products of vehicular and industrial.
Ozone molecules in the atmosphere provide us with important protection from the rays of the sun. Specifically, these molecules are good at absorbing certain ultraviolet rays that can cause sunburn and skin cancer. How is the ozone layer getting damaged? It turns out that certain types of molecules can cause a chemical reaction when they come in contact with ozone molecules. This causes the.
The ozone layer is a protective shield that blocks the sun’s harmful ultraviolet rays from reaching the earth’s surface. However, the ozone layer is destroyed by man-made chemicals known as ozone-depleting substances (ODS). Scientific research has proved that the natural balance of stratospheric ozone has been damaged by the production and release into the atmosphere of ozone-depleting.