what is the atmosphere temperature?
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Temperature of atmosphere: The Earth's temperature range in Fahrenheit is from 2,700 degrees Fahrenheit (1,500 degrees Celsius) in the uppermost atmosphere to a global average temperature of around 59 degrees Fahrenheit (15 degrees Celsius) near the surface.
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There are several different regions or layers in the atmosphere. Each has characteristic temperatures, pressures, and phenomena. We live in the troposphere, the lowest layer, where most clouds are found and almost all weather occurs.
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In contrast to surface temperature is air temperature, which is measured at a standard height of 1.2 m (4.0 ft) above the ground surface. In general, air temperatures above a surface reflect the same trends as ground surface temperatures, but ground temperatures are likely to be more extreme. ...
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The atmosphere is comprised of layers based on temperature. These layers are the troposphere, stratosphere, mesosphere and thermosphere. A further region at about 500 km above the Earth's surface is called the exosphere.
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The temperature at sea level, under standard conditions, is taken to be 15 degrees C. As we go up or our altitude increases, temperature falls. The rate of decrease of temperature is 6.5 degrees C for each 1 km altitude change. This can also be written as 3.6 degree F for every 1000 ft increase in altitude.
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Simple summary, in the lowest atmosphere, the troposphere, the temperature declines as altitude rises, as rising pockets of air lose thermal energy to gain potential energy. In the stratosphere it increases with altitude, due to UV absorption. In the mesosphere it declines again.
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The thermosphere is very high above the Earth and is distinguished by an increase in temperature with altitude. The density of the air is extremely low, but the activity of the molecules are very high due to the amount of energy they are receiving from the sun. Individual molecules can be as warm as 2000 degrees C.
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Gaseous water represents a small but environmentally significant constituent of the atmosphere. The percentage water vapor in surface air varies from 0.01% at -42 °C (-44 °F) to 4.24% when the dew point is 30 °C (86 °F). Approximately 99.13% of it is contained in the troposphere.
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The vertical structure of an atmosphere is the run of pressure, temperature, density, and chemical composition with distance from the center of the planet. When these parameters are inferred in part from theory or when they are tabulated as mean or representative values, they constitute a model atmosphere.
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What is the atmosphere? The atmosphere is a thin layer of gases that surrounds the Earth. It seals the planet and protects us from the vacuum of space. It protects us from electromagnetic radiation given off by the Sun and small objects flying through space such as meteoroids.
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Because warm air rises and cool air sinks, the troposphere is unstable. In the stratosphere, temperature increases with altitude. The stratosphere contains the ozone layer, which protects the planet from the Sun's harmful UV radiation.
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The temperature in the stratosphere ranges from negative 60 degrees Fahrenheit (negative 51 degrees Celsius) at the troposphere boundary to negative 5 degrees Fahrenheit (negative 15 degrees Celsius) at the top. The temperature increase is due to the ozone layer that absorbs ultraviolet light from solar radiation.
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How does the Atmosphere protect life on Earth? The Atmosphere protects and contols the temperature on the surface of the Earth. It absorbs or reflects the radiation from the sun; and the "Greenhouse Effect" helps to control the temperature on Earth.
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The thermosphere is often considered the "hot layer" because it contains the warmest temperatures in the atmosphere. Temperature increases with height until the estimated top of the thermosphere at 500 km. Temperatures can reach as high as 2000 K or 1727 ºC in this layer (Wallace and Hobbs 24).
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The atmosphere is essential for life because it maintains an appropriate climate for the sustenance of life by carrying out the following activities: (i) Atmosphere keeps the average temperature of the Earth fairly constant during day time. (ii) It prevents a sudden increase in temperature during day time.
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Nearly all of the water vapor in the atmosphere resides in the lower portion of the atmosphere known as the troposphere. The cold temperatures at the top of the troposphere prevent all but a few water vapor molecules from escaping into the stratosphere where temperatures are warmer.
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The water-vapour content of the atmosphere varies from place to place and from time to time because the humidity capacity of air is determined by temperature. At 30 °C (86 °F), for example, a volume of air can contain up to 4 percent water vapour. At -40 °C (-40 °F), however, it can hold no more than 0.2 percent.