Asked by: Lusine Klaves
science environment

What is Stratopause Mesopause?

Last Updated: 15th January, 2020

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The layer closest to the Earth is called the troposphere. Above this layer is the stratosphere, followed by the mesosphere, then the thermosphere. The upper boundaries between these layers are known as the tropopause, the stratopause, and the mesopause, respectively.

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Herein, what does the Stratopause do?

The stratopause (formerly Mesopeak) is the level of the atmosphere which is the boundary between two layers: the stratosphere and the mesosphere. In the stratosphere the temperature increases with altitude, and the stratopause is the region where a maximum in the temperature occurs.

Subsequently, question is, what is the pressure at the Mesopause? The average height of the mesopause is about 85 km (53 miles), where the atmosphere again becomes isothermal. This is around the 0.005 mb (0.0005 kPa) pressure level.

Similarly, it is asked, what happens in the Mesopause?

The mesopause is the point of minimum temperature at the boundary between the mesosphere and the thermosphere atmospheric regions. Air rising will expand and cool resulting in a cold summer mesopause and conversely downwelling air results in compression and associated increase in temperature at the winter mesopause.

How thick is the Stratopause?

atmosphere structure The stratopause caps the top of the stratosphere, separating it from the mesosphere near 45–50 km (28–31 miles) in altitude and a pressure of 1 millibar (approximately equal to 0.75 mm of mercury at 0 °C, or 0.03 inch of mercury at 32 °F).

Related Question Answers

Jiacheng Edulbehram

Professional

Where is the Mesopause located?

The coldest temperatures in Earth's atmosphere, about -90° C (-130° F), are found near the top of this layer. The boundary between the mesosphere and the thermosphere above it is called the mesopause. At the bottom of the mesosphere is the stratopause, the boundary between the mesosphere and the stratosphere below.

Tonie Vaut

Professional

Why is the mesosphere so cold?

As you go higher in the mesosphere, the air gets colder. The air is much thinner (less dense) in the mesosphere than in the stratosphere below. There are fewer air molecules to absorb incoming electromagnetic radiation from the Sun. Carbon dioxide in the mesosphere also helps make this layer cold.

Toney Abon

Professional

At what altitude is the Stratopause?

Chemicals and the Environment
This layer extends from the stratopause at an altitude of approximately 160,000 ft to the mesopause at approximately 260,000–80,000 ft above sea level. Temperatures drop with increasing altitude to the mesopause that marks the top of this middle layer of the atmosphere.

Ndeye Qeli

Explainer

How is atmosphere divided?

The atmosphere can be divided into layers based on its temperature, as shown in the figure below. These layers are the troposphere, the stratosphere, the mesosphere and the thermosphere. A further region, beginning about 500 km above the Earth's surface, is called the exosphere.

Venera Sukop

Explainer

Which gas is the most abundant in Earth's atmosphere?

By far, the most abundant gas in the Earth's atmosphere is nitrogen, which accounts for about 78% of the mass of dry air. Oxygen is the next most abundant gas, present at levels of 20 to 21%. Although humid air seems like it contains a lot of water, the maximum amount of water vapor that air can hold is only about 4%.

Tabare Numann

Explainer

How hot is the upper atmosphere?

The exact temperature of the thermosphere can vary substantially, but the average temperature above 180 miles (300 km) is about 800 degrees Fahrenheit (427 degrees Celsius) at solar minimum and 1,700 degrees Fahrenheit (927 degrees Celsius) at solar maximum.

Yongjun Thalhammer

Pundit

What is structure of atmosphere?

The atmosphere consists of 4 layers: the troposphere, stratosphere, mesosphere, and thermosphere. The boundary between the stratosphere and the troposphere is called the tropopause. The jet stream sits at this level and it marks the highest point that weather can occur.

Aridani Crehuet

Pundit

Does the temperature increase or decrease in the mesosphere?

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. The air is much thinner (less dense) in the mesosphere than in the stratosphere below.

Eleno Sabuquillo

Pundit

Can planes fly in mesosphere?

As you get higher up in the mesosphere, the temperature gets colder. The top of the mesosphere is the coldest part of Earth's atmosphere. Weather balloons and jet planes cannot fly high enough to reach the mesosphere. The orbits of satellites are above the mesosphere.

Ailan Papio

Pundit

Is the mesosphere solid or liquid?

It is a solid that can behave like a liquid, and it is about 440km thick. 3. Mesosphere –The mesosphere is another rigid layer in the earth and it is roughly 2,200km in thickness.

Acaymo Schimek

Pundit

Why is mesosphere important?

The mesosphere is very important for earth's protection. The mesosphere burns up most meteors and asteroids before they are able to reach the earth's surface. The mesosphere is the coldest atmospheric layer surrounding the earth. It becomes cold enough to freeze water vapour in its atmosphere into ice clouds.

Limam Pistone

Teacher

How cold is the thermosphere?

Temperatures in the upper thermosphere can range from about 500° C (932° F) to 2,000° C (3,632° F) or higher. The boundary between the thermosphere and the exosphere above it is called the thermopause. At the bottom of the thermosphere is the mesopause, the boundary between the thermosphere and the mesosphere below.

Xinyi Gunthers

Teacher

Is the mesosphere hot or cold?

Mesosphere[edit]
Temperatures in the mesosphere decrease with altitude. Since there are very few gas molecules in the mesosphere to absorb the Sun's radiation, the heat source here is the stratosphere below. The mesosphere is extremely cold, especially at its top, about -90°C (-130°F).

Idalia Grigorie

Teacher

Who discovered mesosphere?

Albert Einstein

Esta Taylo

Teacher

What is unique about the mesosphere?

is directly above the stratosphere and below the thermosphere. extends from around 50-85 km above our planet (31-53 miles) possess temperatures that decrease with height throughout the mesosphere. contains strong zonal winds (east-west), atmospheric tides, planetary waves, and gravity waves.

Jasmina Foulon

Reviewer

What gases are in the mesosphere?

The gases in the thermosphere, as well as in the troposphere, stratosphere, and mesosphere, consist of atomic oxygen, molecular oxygen, atomic nitrogen, molecular nitrogen, helium, and hydrogen.

Efran Casali

Reviewer

Do other planets have atmospheres?

In addition to Earth, many of the other astronomical objects in the Solar System have atmospheres. These include all the gas giants, as well as Mars, Venus, and Pluto. Several moons and other bodies also have atmospheres, as do comets and the Sun. There is evidence that extrasolar planets can have an atmosphere.

Karly Provost

Reviewer

How much air pressure is in the troposphere?

The troposphere has the following characteristics. It extends from the earth's surface to an average of 12 km (7 miles). The pressure ranges from 1000 to 200 millibars (29.92 in. to 5.92 in.).

Eli Lotz

Reviewer

What happens to air pressure as altitude increases?

Pressure with Height: pressure decreases with increasing altitude. The pressure at any level in the atmosphere may be interpreted as the total weight of the air above a unit area at any elevation. At higher elevations, there are fewer air molecules above a given surface than a similar surface at lower levels.