Amazon and the Amazon logo are trademarks of Amazon.com, Inc, or its affiliates. In troposphere, as the altitude increases, temperature decreases alongside.

Stratosphere also houses the ozone layer that protects us from the harmful effect of suns rays. Above the troposphere lies the stratosphere where jet airplanes fly. The atmosphere is made up of 78% nitrogen, 21% oxygen, and smaller amounts of argon, carbon dioxide, helium, and neon. to approximately 480 or 500 km. In this part of the atmosphere the temperature gets colder as the distance above the earth increases, by about 6.5°C per kilometre. The atmosphere of Earth is divided into four layers as Troposphere, Stratosphere, Mesosphere and Thermosphere. By understanding the way atmospheric temperature changes with altitude, we can learn a lot about how the atmosphere works. In this …   Mesosphere is the coldest layer among other atmospheric layers. In the stratosphere, there is a layer called ozone. Your email address will not be published. That is because of the absorption of ultraviolet radiation. It is assumed that the ionized nitrogen and oxygen layer of Heterosphere is included in exosphere. It plays a major role on earth as it neutralizes oxygen and prevents instantaneous combustion on earth. There is a dense layer of ozone gas in the stratosphere, between 15 to 35 km. Unlike the changes in pressure and density, which decreases with altitude, the changes in temperature are irregular. In mesosphere, as the altitude increases, temperature decreases alongside. The conversion of oxygen molecules into ozone is possible because of the incoming solar radiation, which is at wavelengths below 240 nm. These are troposphere, stratosphere, mesosphere, thermosphere. decrease. Temperatures decrease from about 5°F (-15°C) to as low as -184°F (-120°C) at the end of this layer. Starting at ground level, it extends upward to about … By 80 km it reaches -100 degrees Celsius. Temperature and pressure drops as you go higher up the troposphere.



The ionosphere has the properties of both a gas and a plasma. Our atmosphere is composed of many components. It is positioned between 80 and 400 km above the Mesopause. The temperature gradient in each layer is determined by the heat source of the layer. The ozone layer is found in the stratosphere. It thus offers a shield of protection to earth.


Please do not enter any spam link in the comment box. Weather processes and systems take place in the lower layers of the atmosphere while interesting events such as the beautiful aurora, occur higher in the atmosphere.      The Layers of the Atmosphere.   Temperatures increase with altitude because of increasing amounts of Stratosphere changes in temperature that happen with increasing altitude. Together with the tropopause, the troposphere is called the lower atmosphere. Movements in currents also influence the transfer of heat on the earth surface. One reason is that the earth’s atmosphere acts as an insulating layer that protects the earth’s surface from the intense light and heat of the sun.The atmosphere is also important because it contains oxygen, which we and other living organisms breathe. Get all latest content delivered straight to your inbox. 2) Many jet aircrafts fly in the stratosphere because it is very stable. This layer is free of clouds and devoid of any weather-related phenomenon. The atmosphere has five different layers that are determined by the changes in temperature that happen with increasing altitude. After the stratosphere, you move into the stratopause, which transitions the stratosphere into the mesosphere. It is the lowermost layer of atmosphere adjacent to the earth's surface.

It essential for respiration in all living things. is very sensitive to solar activity and can heat up to 1,500°C That is because the gases that hold back earth’s radiation are lower and higher in the troposphere the air is too thin to hold heat. The mesosphere is extremely cold, especially at the top dropping to a temperature as low as -90°C. air is thin, meaning that there are far fewer air molecules. The extreme portion of troposphere is called. This layer of gasses is often referred to as air and is held by the earth’s gravity.

Ocean currents are a significant factor in the formation of weather phenomena on earth. Exosphere These layers are divided on the basis of temperature. As you go higher, the gases decrease and the air becomes thinner. At around 80 km (50 miles) off the earth surface, free ozone electrons exist for short periods because of the thinness of the gas at such heights. The mesosphere starts at 50 km above the surface of Earth and goes up to 85 km. Inversion of temperature is also observed in this region of atmosphere. CBSE Previous Year Question Papers Class 10, CBSE Previous Year Question Papers Class 12, NCERT Solutions Class 11 Business Studies, NCERT Solutions Class 12 Business Studies, NCERT Solutions Class 12 Accountancy Part 1, NCERT Solutions Class 12 Accountancy Part 2, NCERT Solutions For Class 6 Social Science, NCERT Solutions for Class 7 Social Science, NCERT Solutions for Class 8 Social Science, NCERT Solutions For Class 9 Social Science, NCERT Solutions For Class 9 Maths Chapter 1, NCERT Solutions For Class 9 Maths Chapter 2, NCERT Solutions For Class 9 Maths Chapter 3, NCERT Solutions For Class 9 Maths Chapter 4, NCERT Solutions For Class 9 Maths Chapter 5, NCERT Solutions For Class 9 Maths Chapter 6, NCERT Solutions For Class 9 Maths Chapter 7, NCERT Solutions For Class 9 Maths Chapter 8, NCERT Solutions For Class 9 Maths Chapter 9, NCERT Solutions For Class 9 Maths Chapter 10, NCERT Solutions For Class 9 Maths Chapter 11, NCERT Solutions For Class 9 Maths Chapter 12, NCERT Solutions For Class 9 Maths Chapter 13, NCERT Solutions For Class 9 Maths Chapter 14, NCERT Solutions For Class 9 Maths Chapter 15, NCERT Solutions for Class 9 Science Chapter 1, NCERT Solutions for Class 9 Science Chapter 2, NCERT Solutions for Class 9 Science Chapter 3, NCERT Solutions for Class 9 Science Chapter 4, NCERT Solutions for Class 9 Science Chapter 5, NCERT Solutions for Class 9 Science Chapter 6, NCERT Solutions for Class 9 Science Chapter 7, NCERT Solutions for Class 9 Science Chapter 8, NCERT Solutions for Class 9 Science Chapter 9, NCERT Solutions for Class 9 Science Chapter 10, NCERT Solutions for Class 9 Science Chapter 12, NCERT Solutions for Class 9 Science Chapter 11, NCERT Solutions for Class 9 Science Chapter 13, NCERT Solutions for Class 9 Science Chapter 14, NCERT Solutions for Class 9 Science Chapter 15, NCERT Solutions for Class 10 Social Science, NCERT Solutions for Class 10 Maths Chapter 1, NCERT Solutions for Class 10 Maths Chapter 2, NCERT Solutions for Class 10 Maths Chapter 3, NCERT Solutions for Class 10 Maths Chapter 4, NCERT Solutions for Class 10 Maths Chapter 5, NCERT Solutions for Class 10 Maths Chapter 6, NCERT Solutions for Class 10 Maths Chapter 7, NCERT Solutions for Class 10 Maths Chapter 8, NCERT Solutions for Class 10 Maths Chapter 9, NCERT Solutions for Class 10 Maths Chapter 10, NCERT Solutions for Class 10 Maths Chapter 11, NCERT Solutions for Class 10 Maths Chapter 12, NCERT Solutions for Class 10 Maths Chapter 13, NCERT Solutions for Class 10 Maths Chapter 14, NCERT Solutions for Class 10 Maths Chapter 15, NCERT Solutions for Class 10 Science Chapter 1, NCERT Solutions for Class 10 Science Chapter 2, NCERT Solutions for Class 10 Science Chapter 3, NCERT Solutions for Class 10 Science Chapter 4, NCERT Solutions for Class 10 Science Chapter 5, NCERT Solutions for Class 10 Science Chapter 6, NCERT Solutions for Class 10 Science Chapter 7, NCERT Solutions for Class 10 Science Chapter 8, NCERT Solutions for Class 10 Science Chapter 9, NCERT Solutions for Class 10 Science Chapter 10, NCERT Solutions for Class 10 Science Chapter 11, NCERT Solutions for Class 10 Science Chapter 12, NCERT Solutions for Class 10 Science Chapter 13, NCERT Solutions for Class 10 Science Chapter 14, NCERT Solutions for Class 10 Science Chapter 15, NCERT Solutions for Class 10 Science Chapter 16, CBSE Previous Year Question Papers Class 10 Science, CBSE Previous Year Question Papers Class 12 Physics, CBSE Previous Year Question Papers Class 12 Chemistry, CBSE Previous Year Question Papers Class 12 Biology, ICSE Previous Year Question Papers Class 10 Physics, ICSE Previous Year Question Papers Class 10 Chemistry, ICSE Previous Year Question Papers Class 10 Maths, ISC Previous Year Question Papers Class 12 Physics, ISC Previous Year Question Papers Class 12 Chemistry, ISC Previous Year Question Papers Class 12 Biology.

The atmosphere consists of four layers, based on temperature. It needs the other layers in the atmosphere to function properly.

It starts from the thermopause to about 6200 miles (10,000 km) from the earth surface. The satellites that orbit the earth are also in this layer. The troposphere is wider at the equator than at the poles. Meteorites burn in this layer on entering the atmosphere from the outer space. Required fields are marked *. It also protects us from harmful substances from outer space. The peaks of the highest mountains on earth are, however, still within the troposphere. The zone where molecules and atoms escape into space is mentioned as the exosphere. It helps contain the air we breathe, making life possible. The aurora, the Northern Lights and Southern Lights, occur in the Earth’s ionosphere. The normal lapse rate is 6.4°C/1 km. and almost 1232°C at 480 km. At the extreme portion of mesosphere, atmospheric temperature becomes about –90°C. Due to this reason, the base of the troposphere is warmer than its base because the air in the surface of the Earth absorbs the sun’s energy, gets heated up and moves upward as a result of which it cools down. In general, air pressure and density decrease with altitude in the atmosphere. outside and look up. The following characteristics of exosphere can be observed: Fig. Sometimes water vapour enters into the stratosphere due to the weather disturbances in troposphere and creates cirrus cloud. Climate Change.

Exosphere is the final frontier of the Earth’s gaseous envelope. You might see blue sky or wooly

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Considering the temperature differentiation, earth's atmosphere is classified into five divisions, namely, Troposphere, Stratosphere, Mesosphere, Thermosphere, and Exosphere.

Due to this aeroplanes fly in the stratosphere for a smooth ride.
As the mesosphere extends upward above the stratosphere, temperatures The gases continue to thin as you go higher.

At night you might see stars, a satellite or a crescent moon. It is formed by the dissociation of oxygen molecules into individual oxygen atoms. Living at the surface of the Earth, we are usually only aware of Ionization and the chemical reactions of the gaseous elements take place in this layer due to the presence of -ray and x-ray from solar wind. Satellites are found orbiting in the upper part of the thermosphere.

Weather Wonders These layers are: This is an important topic in the Geography syllabus for UPSC 2020 Exam. Troposphere Earth’s atmosphere is composed of about 78% nitrogen, 21% oxygen, and one percent other gases. Astronauts orbiting Earth in the space station or space As this type of cloud does not contain dust particles, it cannot occur  any type of precipitation. The mesosphere starts at the stratopause and extends to 53 miles (85 km) above the surface of the earth. Delve Deeper... Windows to the Universe Earth Atmosphere section