What is the volume of Earths atmosphere?The "effective volume" of the Earthsatmosphere is about 4.2 billion cubickilometer...
The actual volume of the atmosphere isconsiderably greater than its effective volume,as its pressure and density drop with...
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  1. 1. What is the volume of Earths atmosphere?The "effective volume" of the Earthsatmosphere is about 4.2 billion cubickilometers. This figure is the surface area of theEarth (509 million square kilometers) times the"effective thickness" of the atmosphere (8.2kilometers, or about 27,000 ft). The effectivethickness and volume are what the thicknessand volume of the atmosphere would be if theentire atmosphere were at sea level conditions.The actual volume of the atmosphere isconsiderably greater than its effective volume,
  2. 2. The actual volume of the atmosphere isconsiderably greater than its effective volume,as its pressure and density drop with increasingaltitude. If we adopt the "Karman Limit" of 100km elevation as the boundary between earthand space, the volume of the atmospherewould be 100 times 509 million or about 51billion cubic kilometers. However, the KarmanLimit is a non-physical and rather arbitraryboundary.
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