What is the relationship between temperature air pressure and density in the layers of the earth's atmosphere?
Answer:
With increasing altitude in the atmosphere, pressure decreases and so does density. Temperature varies depending on the layer in which the air is. The top of the stratosphere can be -50 degrees C, as where the thermosphere can be well over 500 degrees C.
At ground level (0 feet above sea level) we consider a standard pressure reading to be 29.92 inches of Mercury. At 1000 feet above sea level this pressure would be reduced to 29.82. This is a basic principle of Altimeters for aircraft.
Temperature is slightly trickier, but we also have what is called a standard lapse rate. The factors here depend on many things, but a rule of thumb is about 3 degrees (F) per thousand feet. Using this rule of thumb, you can find the base cf clouds (roughly) by looking at the dew point verses the temp. If the difference is large, clouds will be high. If the difference is small (say 3 egrees) the clouds will be low, around 1000 feet.
At ground level (0 feet above sea level) we consider a standard pressure reading to be 29.92 inches of Mercury. At 1000 feet above sea level this pressure would be reduced to 29.82. This is a basic principle of Altimeters for aircraft.
Temperature is slightly trickier, but we also have what is called a standard lapse rate. The factors here depend on many things, but a rule of thumb is about 3 degrees (F) per thousand feet. Using this rule of thumb, you can find the base cf clouds (roughly) by looking at the dew point verses the temp. If the difference is large, clouds will be high. If the difference is small (say 3 egrees) the clouds will be low, around 1000 feet.
First answer by ScientificClown. Last edit by N2146X. Contributor trust: 364
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