Structure of the atmosphere (1)
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The document discusses the structure of the atmosphere, which is divided into four main layers - the troposphere, stratosphere, mesosphere, and thermosphere - based on changes in temperature from the Earth's surface upwards. Each layer is defined by boundaries where the temperature either changes or remains steady as the height increases. The troposphere varies in height by latitude and season and contains turbulent air. Above it lies the stratosphere, then the mesosphere from 50-80km, and finally the thermosphere where temperatures abruptly increase and the ionosphere is located.
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Structure of the atmosphere (1)
- 1. WELCOME
- 2. STRUCTURE OF THE ATMOSPHERE SUBMITTED BY, SETHU LEKSHMI SOCIAL SCINECE REG. NO. : 13303031
- 3. STRUCTURE OF THE ATMOSPHERE From the earth’s surface upwards, there is a change in temperature. Based on the change in temperature the atmosphere has been divided in to different layers. Troposphere, Stratosphere, Mesosphere, Thermosphere.
- 4. TROPOSPHERE According to the latitude and seasons, the height of the troposphere varies. The word troposphere is derived from the Greek word ‘tropos’ which means to turn. Air is very turbulent in this region. Above the troposphere is the tropopause where the temperature is steady.
- 5. STRATOSPHERE In the lower part of stratosphere the temperature is constant. This means that as the height increases, the temperature does not very. The transactional zone above the stratosphere is stratopause.
- 6. MESOSPHERE The atmospheric layer that extends from 50 km to 80 km above the sea level is mesosphere. Te transitional zone above this where the temperature remains steady is called the mesopause.
- 7. THERMOSPHERE This is an area where the temperature increases abruptly. The part of the thermosphere, from about 80 kilometers to 400 kilometers, above the earth surface is called ionosphere.
- 8. TTHHAANNKKSS