What two places is the ozone found?

Ozone (O3) is mainly found in two layers of our atmosphere: the troposphere and the stratosphere. The stratosphere, 10 and 50 kilometers above the Earth’s surface, contains around 90% of the total atmospheric ozone amount.

Where was the first ozone layer found?

In the scientific journal Nature on May 16, 1985, three scientists from the British Antarctic Survey announce their detection of abnormally low levels of ozone over the South Pole.

What is ozone and where is it in the atmosphere?

Ozone is a gas composed of three atoms of oxygen. Ozone occurs both in the Earth’s upper atmosphere and at ground level. … Called stratospheric ozone, good ozone occurs naturally in the upper atmosphere, where it forms a protective layer that shields us from the sun’s harmful ultraviolet rays.

What is ozone layer Class 9?

“The ozone layer is a region in the earth’s stratosphere that contains high concentrations of ozone and protects the earth from the harmful ultraviolet radiations of the sun.”

Who found ozone hole?

In 1985 Jonathan Shanklin was a junior researcher at BAS when he discovered a hole in the invisible shield that protects us from solar radiation. We catch up with him to learn about his work and how it has made a difference. It’s 36 years since scientists first discovered the hole in the ozone layer.

Who found ozone layer?

The Ozone Layer was discovered by the French physicists Charles Fabry and Henri Buisson in 1913. Why is Ozone Layer important? Ozone protects the Earth from harmful ultraviolet (UV) rays from the Sun.

How ozone hole is formed?

The ozone hole has developed because people have polluted the atmosphere with chemicals containing chlorine and bromine. The primary chemicals involved are chlorofluorocarbons (CFCs for short), halons, and carbon tetrachloride.

How is ozone formed?

Ozone is formed when heat and sunlight cause chemical reactions between oxides of nitrogen (NOX ) and Volatile Organic Compounds (VOC), which are also known as Hydrocarbons. This reaction can occur both near the ground and high in the atmosphere.

Do we still have a hole in the ozone layer?

What we call the “ozone hole” is a thinning of the ozone layer in the stratosphere above Antarctica that develops every September. … The ozone hole reached its maximum extent on October 7, 2021, as calculated by the NASA Ozone Watch team. NASA and NOAA monitor the ozone hole via complementary instrumental methods.

Why is the ozone hole in Australia?

The ozone layer is depleted in two ways. Firstly, the ozone layer in the mid-latitude (e.g. over Australia) is thinned, leading to more UV radiation reaching the earth. … Secondly, the ozone layer over the Antarctic, and to a lesser extent the Arctic, is dramatically thinned in spring, leading to an ‘ozone hole’.

What will happen if the ozone layer is destroyed?

Ozone layer depletion causes increased UV radiation levels at the Earth’s surface, which is damaging to human health. Negative effects include increases in certain types of skin cancers, eye cataracts and immune deficiency disorders. … UV rays also affect plant growth, reducing agricultural productivity.

What are 3 causes of depletion to the ozone layer?

The main cause of ozone depletion and the ozone hole is manufactured chemicals, especially manufactured halocarbon refrigerants, solvents, propellants, and foam- blowing agents (chlorofluorocarbons (CFCs), HCFCs, halons).

Which country has the biggest hole in the ozone layer?

A NASA instrument has detected an Antarctic ozone “hole” (what scientists call an “ozone depletion area”) that is three times larger than the entire land mass of the United States—the largest such area ever observed.

Which country has the thinnest ozone layer?

Abnormal weather patterns in the upper atmosphere over Antarctica dramatically limited ozone depletion in September and October, resulting in the smallest ozone hole observed since 1982, NASA and NOAA scientists reported today.

Why is Australia sun so strong?

Australia’s unusually harsh sunshine results mainly from its location in the Southern Hemisphere. The elliptical orbit of the Earth places the Southern Hemisphere closer to the sun during its summer months than the Northern Hemisphere during its summer.

Why does the sun feel stronger in the US than in India?

Earth rotates around it’s axis and it is tilted by certain angle. This makes northern hemisphere closer to sun during summers. So, USA feels more brighter and hotter even in temperatures like 25°C when compared to India.

Which country has the most UV rays?

Summertime UV levels are higher in New Zealand than at similar latitudes in the northern hemisphere [2]. However, other countries in the southern hemisphere have higher UV levels than New Zealand. The following countries have higher UV levels: Peru, Bolivia, Chile and Argentina [3].

Is Australia hotter than America?

A world weather map has revealed that Australia is currently the hottest place on earth as the country swelters through record high temperatures. … But even Australia’s southern hemisphere neighbours are nowhere near as hot, although parts of South America, south-east Asia and Africa are also over 30C.

Why Australia is so hot?

Australia’s climate is governed mostly by its size and by the hot, sinking air of the subtropical high pressure belt (subtropical ridge). … Australia holds many heat-related records: the continent has the hottest extended region year-round, the areas with the hottest summer climate, and the highest sunshine duration.

Why is the sun harsh?

When your body defends itself against UV rays, your skin tans or darkens. Too much sun exposure allows UV rays to reach your inner skin layers. You know this as sunburn.

What is the coldest place on Earth?

Oymyakon
Oymyakon is the coldest permanently-inhabited place on Earth and is found in the Arctic Circle’s Northern Pole of Cold. In 1933, it recorded its lowest temperature of -67.7°C.

What is the hottest country in the world?

Mali
Mali is the hottest country in the world, with an average yearly temperature of 83.89°F (28.83°C). Located in West Africa, Mali actually shares borders with both Burkina Faso and Senegal, which follow it on the list.