Advances in Science and Research
Advances in Science and Research
ASR
Articles | Volume 13
Articles | Volume 13
https://doi.org/10.5194/asr-13-63-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/asr-13-63-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 13
19 Apr 2016
 | 19 Apr 2016

Representation of the grey zone of turbulence in the atmospheric boundary layer

Rachel Honnert

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Short summary
Numerical weather prediction model forecasts at hectometric resolution are now possible. This range of scales is called the "grey zone of turbulence" as turbulence structures are neither mainly resolved nor entirely subgrid. Turbulence parametrizations have to be adapted, and the adaptations at these scales depend on the existing parametrizations at larger or smaller scales. This study explains the modifications in current Météo France models to the grey zone of turbulence.
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EMS 2015