How does atmospheric pressure vary with height in the atmosphere?

Answer 1

Assuming you're talking about atmospheric pressure, it is caused by the earth's gravity and varies from place to place due to the forces of different forms of weather.

Air pressure is all around you. Atmospheric pressure is the weight of earth's atmosphere. So the pressure is going to be related to gravity or to centrifugal force in one way or another.

Answer 2

Atmospheric pressure decreases as altitude decreases....im am 99.9% sure. I am a ver well- educated person, so this will do for you. I hope this helped you. Happy studies!!! Sorry... hate to ruin the fun here, but actually, the higher you go, the less atmospheric pressure there is. Quite right, you'd think everyone knew this... Here's the table: Altitude Pressure Pressurefeet kPa PSI 0 101.33 14.70 1000 97.72 14.17 2500 92.50 13.42 5000 84.31 12.23 10000 69.68 10.11 20000 46.56 6.75 30000 30.09 4.36 Oops... table did not hold together! Will try again. Altitude (ft) Pressure (kPa) Pressure (PSI) 0 101.33 14.70 1,000 97.72 14.17 2,500 92.50 13.42 5,000 84.31 12.23 10,000 69.68 10.11 20,000 46.56 6.75 30,000 30.09 4.36 Best I can do... page does not take to tables at all well!

Answer 3

Air (atmosphere) goes up to only a few miles from the surface of the earth. Imagine a column of air as felt on the surface of the earth. Every square unit of area experiences the force exerted by this enormous column of air. As you travel upwards the column of air above from that point up is smaller and so exerts less force per unit area. Force per unit area is pressure and that is why the pressure decreases as we travel up.

To give you something you can relate to easily, the pressure at the bottom of a swimming pool will be more than the pressure half way up from the bottom because in the first case a larger column of water exerts its weight whereas in the second case it exerts only half the weight.

Answer 4

Air pressure is all around you. Atmospheric pressure is the weight of earth's atmosphere. So the pressure is going to be related to gravity or to centrifugal force in one way or another. Low pressure areas have less atmospheric mass above their location, whereas high pressure areas have more atmospheric mass above their location. Similarly, as elevation increases there is less overlying atmospheric mass, so that pressure decreases with increasing elevation. A column of air 1 square inch in cross section, measured from sea level to the top of the atmosphere, would weigh approximately 14.7 lbf. A 1 m² (11 sq ft) column of air would weigh about 100 kilonewtons; equivalent to a mass of 10.2 tonnes at the surface.

Answer 5

One way to think about atmospheric pressure ... on a table-top for example ... is to think of it as the weight of all the air above, from the table-top all the way up as far as the earth's atmosphere extends. This may not be very scientific, but it helps us understand the effect of altitude: As you go up in altitude ... in a tall building, hiking up a mountain trail, or in an airplane, some of the atmosphere is under you, so there is less of it above you. The portion above you weighs less than it did at sea level, and the pressure therefore decreases as you go up in altitude.

Answer 6

Generally, atmospheric pressure is greatest at ground level, because you are at the bottom of the 25 mile thick atmosphere of earth. Greatest water pressure in a swimming pool is at the bottom, too. As you go up into the atmosphere, the pressure tends to decrease.

Answer 7

as the altitude increases, the pressure decreases.

Answer 8

The atmospheric pressure decreases as the altitude increases.

Answer 9

conduction helps the gravitational pull gain more force. Therefore it is forcing the temperature to decrease when higher up. Atmoshperic pressure is affected by temperature because im gay.

Answer 10

Because the Atmosphere is at a different density, thus less gas is there to put pressure on you.

Higher you are = less gas = less pressure