Articles | Volume 13, issue 2
https://doi.org/10.5194/gmd-13-443-2020
https://doi.org/10.5194/gmd-13-443-2020
Model description paper
 | 
06 Feb 2020
Model description paper |  | 06 Feb 2020

Development of “Physical Parametrizations with PYthon” (PPPY, version 1.1) and its usage to reduce the time-step dependency in a microphysical scheme

Sébastien Riette

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Latest update: 02 Apr 2025
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Short summary
Numerical weather or climate models use several interacting parametrizations to represent different physical processes. PPPY 1.1 is a Python package for running and comparing individual parametrizations in offline mode, independently of other parametrizations and of the host model. In this paper, the tool is described and used to assess and reduce the time-step dependency present in a microphysical parametrization.
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