Influence of sea surface roughness length parameterization on Mistral and Tramontane simulations

  • The Mistral and Tramontane are mesoscale winds in southern France and above the Western Mediterranean Sea. They are phenomena well suited for studying channeling effects as well as atmosphere–land/ocean processes. This sensitivity study deals with the influence of the sea surface roughness length parameterizations on simulated Mistral and Tramontane wind speed and wind direction. Several simulations with the regional climate model COSMO-CLM were performed for the year 2005 with varying values for the Charnock parameter α. Above the western Mediterranean area, the simulated wind speed and wind direction pattern on Mistral days changes depending on the parameterization used. Higher values of α lead to lower simulated wind speeds. In areas, where the simulated wind speed does not change much, a counterclockwise rotation of the simulated wind direction is observed.

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Author:Anika Obermann, Benedikt Edelmann, Bodo AhrensORCiDGND
Parent Title (English):Advances in science and research
Place of publication:Katlenburg-Lindau [u.a.]
Document Type:Article
Year of Completion:2016
Date of first Publication:2016/07/08
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Contributing Corporation:15th EMS Annual Meeting & 12th European Conference on Applications of Meteorology (ECAM)
Release Date:2016/12/09
Page Number:6
First Page:107
Last Page:112
© Author(s) 2016. This work is distributed under the Creative Commons Attribution 3.0 License.
Institutes:Geowissenschaften / Geographie / Geowissenschaften
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 55 Geowissenschaften, Geologie / 550 Geowissenschaften
Open-Access-Publikationsfonds:Geowissenschaften / Geographie
Licence (German):License LogoCreative Commons - Namensnennung 3.0