User:Milton Beychok/Sandbox: Difference between revisions
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*{{cite book|author=Mark Zachary Jacobson|title=Fundamentals of Atmospheric Modeling|publisher=Cambridge University Press|edition=2nd|year=2005|isbn=0-521-83970-X}}</ref><br/> | |||
*{{cite book|author=C. Donald Ahrens|title=Meteorology Today|publisher=Brooks/Cole Publishing|edition=8th|year=2006|isbn=0-495-01162-2}}</ref> | |||
Revision as of 18:56, 21 August 2009
The lapse rate (symbol ) refers to the change of an atmospheric variable with a change of altitude, the variable being temperature unless another variable is specified (such as pressure, density or humidity).[1] While usually applied to Earth's atmosphere, the concept of lapse rates can be extended to atmospheres (if any) that exist on other planets.
References
- ↑ The lapse rate is often defined as the negative change of temperature with a change of altitude. That definition is not used herein because it leads to statements such as "A positive lapse rate indicates temperatures cooling as height increases while a negative lapse rate indicates warming as height increases". That is counter-intuitive since lapse rates are usually expressed as a negative number (i.e., - 6.5 K/km) to indicate cooling with an increase of height.
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- Mark Zachary Jacobson (2005). Fundamentals of Atmospheric Modeling, 2nd. Cambridge University Press. ISBN 0-521-83970-X. </ref>
- C. Donald Ahrens (2006). Meteorology Today, 8th. Brooks/Cole Publishing. ISBN 0-495-01162-2. </ref>