Articles | Volume 20, issue 24
Atmos. Chem. Phys., 20, 15585–15616, 2020
https://doi.org/10.5194/acp-20-15585-2020
Atmos. Chem. Phys., 20, 15585–15616, 2020
https://doi.org/10.5194/acp-20-15585-2020

Research article 15 Dec 2020

Research article | 15 Dec 2020

Reappraising the appropriate calculation of a common meteorological quantity: potential temperature

Manuel Baumgartner et al.

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Latest update: 17 Sep 2021
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Short summary
The potential temperature is routinely used in atmospheric science. We review its derivation and suggest a new potential temperature, based on a temperature-dependent parameterization of the dry air's specific heat capacity. Moreover, we compare the new potential temperature to the common one and discuss the differences which become more important at higher altitudes. Finally, we indicate some consequences of using the new potential temperature in typical applications.
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