What is the approximate temperature of the tropopause?
As the density of the gases in this layer decrease with height, the air becomes thinner. Therefore, the temperature in the troposphere also decreases with height in response. As one climbs higher, the temperature drops from an average around 62°F (17°C) to -60°F (-51°C) at the tropopause.
What is the approximate height of the tropopause in KM?
The tropopause is a thermodynamic gradient-stratification layer, that marks the end of the troposphere, and lies approximately 17 kilometres (11 mi) above the equatorial regions, and approximately 9 kilometres (5.6 mi) above the polar regions.
What is the approximate height and temperature of the stratosphere?
The stratosphere is the second major strata of air in the atmosphere. It extends above the tropopause to an altitude of about 30 miles (50 km) above the planet's surface. The air temperature in the stratosphere remains relatively constant up to an altitude of 15 miles (25 km).
What is the approximate height and temperature of the mesosphere?
It extends from about 50 to 85 km (31 to 53 miles) above our planet. Temperature decreases with height throughout the mesosphere. The coldest temperatures in Earth's atmosphere, about -90° C (-130° F), are found near the top of this layer.
What is the approximate height of the troposphere?
The bottom of the troposphere is at Earth's surface. The troposphere extends upward to about 10 km (6.2 miles or about 33,000 feet) above sea level.
What is the height of troposphere?
From the planetary surface of the Earth, the average height of the troposphere is 18 km (11 mi; 59,000 ft) in the tropics; 17 km (11 mi; 56,000 ft) in the middle latitudes; and 6 km (3.7 mi; 20,000 ft) in the high latitudes of the polar regions in winter; thus the average height of the troposphere is 13 km (8.1 mi; …
Why is temperature constant in tropopause?
This range is due to the temperature differences between the tropics and poles. The warm surface temperatures and turbulent mixing over the tropics help to push the troposphere's boundary upward (Lutgens 19). The tropopause extends above the troposphere. Temperature remains constant with height in this layer.
What is the temperature of the tropopause quizlet?
The tropopause separates the stratosphere from the troposphere. The tropopause has an approximate height of 11 kilometers and an approximate temperature of -60℃. The stratosphere is the second innermost layer of the earth's atmosphere.
What is the approximate height and temperature of the thermosphere?
Because of this, the top of the thermosphere can be found anywhere between 500 and 1,000 km (311 to 621 miles) above the ground. Temperatures in the upper thermosphere can range from about 500° C (932° F) to 2,000° C (3,632° F) or higher. The aurora, the Northern Lights and Southern Lights, occur in the thermosphere.
What is the altitude of troposphere?
The troposphere starts at the Earth's surface and extends 8 to 14.5 kilometers high (5 to 9 miles). This part of the atmosphere is the most dense. Almost all weather is in this region. The stratosphere starts just above the troposphere and extends to 50 kilometers (31 miles) high.
What is the approximate temperature of the thermosphere?
The thermosphere lies between the exosphere and the mesosphere. “Thermo” means heat, and the temperature in this layer can reach up to 4,500 degrees Fahrenheit. If you were to hang out in the thermosphere, though, you would be very cold because there aren't enough gas molecules to transfer the heat to you.
What is troposphere and tropopause?
Earth's atmosphere The troposphere is the region where nearly all water vapour exists and essentially all weather occurs. In atmosphere: Wind-generated turbulence. …of the troposphere, called the tropopause, corresponds to the level in which the pattern of decreasing temperature with height ceases.
What is the approximate height of the atmosphere or troposphere quizlet?
That portion of the atmosphere between the earth's surface and approximately 36,000 ft MSL. The average troposphere is characterized by decreasing temperature with height, and is the atmospheric layer where the great majority of clouds occur.
Where is the tropopause?
Description. The tropopause occurs at approximately 20,000 feet over the poles and at approximately 60,000 feet above the equator. The International Standard Atmosphere (ISA) assumes that the average height of the tropopause is 36,000 feet.
What is the altitude of the troposphere?
The troposphere starts at the Earth's surface and extends 8 to 14.5 kilometers high (5 to 9 miles). This part of the atmosphere is the most dense. Almost all weather is in this region. The stratosphere starts just above the troposphere and extends to 50 kilometers (31 miles) high.
What is the temperature at the troposphere quizlet?
At the top of the troposphere, the temperature stops decreasing and stays at about —60°C. (Water here forms thin, feathery clouds of ice.) NO weather occurs in the stratosphere.
Where is the height of tropopause the highest?
The highest average tropopause is over the oceanic warm pool of the western equatorial Pacific, about 17.5 km high, and over Southeast Asia, during the summer monsoon, the tropopause occasionally peaks above 18 km.
Is temperature constant in tropopause?
The tropopause has a reasonably constant temperature profile. The jet streams follow the boundaries between the cold and hot air, and generally flow west to east (westerly winds).
Why does the tropopause vary in height?
The height of the tropopause depends on the location, notably the latitude, as shown in the figure on the right (which shows annual mean conditions). It also depends on the season (1, 2). Thus, it is about 16 km high over Australia at year-end, and between 12 – 16 km at midyear, being lower at the higher latitudes.
At what height in the troposphere does the temperature decrease?
At the middle latitudes, tropospheric temperatures decrease from an average temperature of 15°C (59°F) at sea level to approximately −55°C (−67°F) at the tropopause.
Why the height of tropopause is greater at equator?
This site says that the tropopause is at a higher altitude at the equator because: Gravitational force from a point is higher closer to it and reduces with increasing distance from it. Because the Earth itself is broader at equator, the equator experiences less gravity allowing air to reach bigger heights.
How does the temperature change with height in the troposphere?
Temperature increases as you gain altitude in the stratosphere and the thermosphere. Temperature decreases as you gain altitude in the troposphere and mesosphere.
Why does the height of the tropopause vary?
The height of the tropopause depends on the location, notably the latitude, as shown in the figure on the right (which shows annual mean conditions). It also depends on the season (1, 2). Thus, it is about 16 km high over Australia at year-end, and between 12 – 16 km at midyear, being lower at the higher latitudes.
Why does the temperature decrease with height in the troposphere?
Although variations do occur, the temperature usually declines with increasing altitude in the troposphere because the troposphere is mostly heated through energy transfer from the surface.
Why is the tropopause higher in summer?
Deep convection (thunderstorms) in the Intertropical Convergence Zone, or over mid-latitude continents in summer, continuously push the tropopause upwards and as such deepen the troposphere. This is because thunderstorms mix the tropospheric air at a moist adiabatic lapse rate.