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What characteristic divides earth's atmosphere into layers?
The characteristic is temperature. While pressure diminishes with increasing altitude, it is dependent on the underlying air masses. Temperature changes vary consistently within each of the major layers (troposphere, stratosphere, mesosphere, thermosphere, exosphere).
In which layer of the atmosphere do weather changes happen?
Weather changes primarily occur in the troposphere, which is the lowest layer of the Earth's atmosphere, extending up to about 10-15 kilometers in altitude. This layer contains most of the Earth's weather systems and is where temperature decreases with altitude.
How is temperature affected by changes in altitude?
It typically gets colder the higher you go depending on which layer of the atmosphere you are in.
Does air pressure decrease non-uniformly with altitude?
Air pressure decreases uniformly with altitude in the standard atmosphere model. However, in the real atmosphere, variations such as temperature inversions or weather systems can cause non-uniform changes in air pressure with altitude in specific regions and times.
What is the major characteristic of the troposphere?
The major characteristic of the troposphere is that it is the lowest layer of Earth's atmosphere, where almost all weather events occur. It contains around 75% of the atmosphere's mass and extends up to about 10-15 kilometers above the Earth's surface. Temperature decreases with altitude in this layer.
List three changes in the atmosphere as altitude increases from sea level upward?
As altitude increases, air pressure decreases due to lower density of air molecules at higher altitudes. The temperature typically decreases with altitude as the atmosphere becomes thinner and can't retain heat as effectively. Humidity levels may fluctuate, but generally moisture content decreases with altitude, leading to drier conditions.
The temp in the atmosphere approaches -90 Celsius at an altitude of about what?
The temp in the atmosphere approaches -90C at an altitude of 80 kilometers.
How do pressure and temperature vary in the atmosphere?
In the atmosphere, pressure generally decreases with higher altitude due to the decrease in air density. Temperature changes can vary depending on altitude and location, but in general, the temperature decreases with increasing altitude in the troposphere, remains relatively constant in the stratosphere, and then increases in the mesosphere and thermosphere.
Why does air pressure change with altitude?
Air pressure changes with altitude because as you go higher in the atmosphere, there is less air above pushing down on you. This results in lower air pressure at higher altitudes.
How the temperature changes as you travel up through the atmosphere.?
The temperature in the atmosphere decreases as altitude increases. The reason for this is there is less warmth from the surface of the earth reaching the higher altitudes because there are fewer particles of the atmosphere to transfer the heat. The temperature begins to increase, however, around 100km in altitude because of the heat and radiation from the sun.
The temperature in the air hardly changes in what atmosphere?
The temperature in the stratosphere hardly changes with altitude, making it a stable atmospheric layer. This is due to the absorption of ultraviolet radiation by the ozone layer.
Does air pressure and temperature change with altitude?
Yes, air pressure decreases with altitude because the atmosphere becomes less dense. In contrast, temperature changes can vary with altitude; typically, temperature decreases with altitude, but there are atmospheric layers where temperature may increase, known as inversions.
