Why is the atmosphere important to Earth? What are the layers of the atmosphere
The Importance of the atmosphere Lies in that it acts as a filter preventing the sunday'southward rays and other harmful cosmic rays from reaching Earth.
The atmosphere is a gaseous layer that envelops the Earth. The atmosphere, together with the heat that comes from the lord's day, are the 2 elements that make life possible on Earth. It is formed past a series of superposed concentric layers, each with its own characteristics.
The everyman layer of the atmosphere, called the troposphere, is formed past the air we breathe. Air contains the essential gases for our life: 21% of oxygen, 78% of nitrogen And a smaller percent of other gases. In the troposphere as well occur the meteorological phenomena (rain, winds, etc.).
Betwixt the atmosphere and the earth'south surface there is a continuous exchange of rut through the air currents, evaporation and condensation of water vapor.
In this way, any alteration of the atmosphere could have serious consequences in the different forms of life of the terrestrial surface.
Why is the atmosphere of import?
The bones importance of the atmosphere is its role every bit a basic element in preserving life on Earth; But it is also very important for other reasons:
one- Protection against the sun's rays
The ozone layer protects life on world from the harmful furnishings that backlog solar rays can accept.
2- Filter of the solar radiation
The first leak occurs 88 kilometers from the Globe's surface, where the atmosphere absorbs X-rays and some ultraviolet radiation.
When entering dense layers of the atmosphere, the process of lengthened reflection (Ralleigh scattering) is produced which deflects the visible rays of light giving the sky its blueish color.
three- It allows climates
The troposphere is the layer of the atmosphere that allows the existence of the climate. Without it we would not accept the rains and many life cycles could not part properly.
4 - Allows radio waves to circulate
The ionosphere allows the transmission of radio waves. The short waves are reflected in the layer of Appleton (150-220 km) and long waves in the 1 of Kennely-Heaviside (90-135 km).
5- Temperature residue
The atmosphere also thermally balances the world's surface. Through the atmospheric circulation, mechanisms are put in place that balance the thermal and pressure differences that occur on the unlike latitudes of the world.
6- Information technology allows the changes of station
Atmospheric pressure level, ie the weight exerted past the different atmospheric layers on the earth's surface, is the primary cause of the formation of different air masses with unlike properties that requite dynamism to the temper and crusade Changes in climate , Causing seasonal changes, storms, cyclones, hurricanes and droughts.
seven- Protect life on World
The atmospheric imbalance endangers life on Earth: the increase in the proportion of Contaminants in the atmosphere , Especially chlorine gases, called chlorofluorocarbons (CFCs), cause the procedure of oxygen decomposition and the cosmos of ozone in the atmosphere to be altered.
These gases contribute to the production of a hole in the atmospheric ozone layer, which in turn increases the proportion of solar rays that come into contact with the Globe's surface.
Layers of the atmosphere
The troposphere
Information technology is the closest part to the terrestrial surface, with a thickness of approximately 10 km at the poles and 16 km in Republic of ecuador.
About a fifth of the troposphere is made upwards of oxygen, approximately the other four-fifths of a gas called nitrogen and the rest are argon, carbon dioxide, and pocket-sized amounts of other gases.
The upper part of the troposphere is chosen the tropopause and there is non enough oxygen in it to living beings Tin can survive.
The stratosphere
Information technology is located only above the tropopause, and has a thickness of approximately 35 kilometers. This layer contains a gas called ozone, which is related to oxygen. Ozone forms a layer that acts as a protective shield around the World.
Sunlight contains potent ultraviolet rays that tin be harmful to living things. Fortunately, the ozone layer prevents most of these rays from reaching Earth.
The Mesosphere
Between the fifty km and 80 km from the crust of the Globe is the mesosphere. Here in that location is a sudden alter in atmospheric temperature.
The ionosphere
Information technology is the highest layer of the atmosphere, where there is very little atmospheric pressure. It disappears approximately 1600 kilometers from the earth's surface and gradually merges with the emptiness of space.
References
- Segarra, Lluís (2000): The Temper. Agile Elementary School Encyclopedia. Barcelona: Body of water.
- Blanco, María Eugenia (2000): The dangers of air pollution. Segarra, Lluís (2000): The Atmosphere. Active Elementary Schoolhouse Encyclopedia. Barcelona: Ocean.
- Orovitz, Jorge (2000): Atmospheric circulation. Segarra, Lluís (2000): The Temper. Active Uncomplicated School Encyclopedia. Barcelona: Body of water.
- Orovitz, Matías (2000): The atmospheric pressure. Segarra, Lluís (2000): The Atmosphere. Active Elementary School Encyclopedia. Barcelona: Ocean
- Aguirre, Gisela and others (2007): Atmosphere and hydrosphere. Tricolor School Library, Volume ii: Universal and Latin American Geography. Carcas: Editorial Planeta.
- Bronkhorst, Martin et al. (1995):"What is in the atmosphere?". Immature Scientists, Volume ane Planet Earth . Chicago: World Volume Inc.
- Milne, Annabel and others (1995):"What is the World formed?". Immature Scientists, Volume 1 Planet Earth . Chicago: Earth Book Inc.
Source: https://www.lifepersona.com/importance-of-atmosphere-7-top-reasons
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