MOSE: zooming on the Meso-NH mesoscale model performances at the surface layer at ESO sites (Paranal and Armazones)

Franck Lascaux; Elena Masciadri

doi:10.1117/12.925934

13 September 2012 MOSE: zooming on the Meso-NH mesoscale model performances at the surface layer at ESO sites (Paranal and Armazones)

Franck Lascaux, Elena Masciadri

Author Affiliations +

Proceedings Volume 8447, Adaptive Optics Systems III; 84475B (2012) https://doi.org/10.1117/12.925934
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

Abstract

In the context of the MOSE project, in this contribution we present a detailed analysis of the Meso-NH mesoscale model performances and their dependency on the model and orography horizontal resolutions in proximity of the ground. The investigated sites are Cerro Parana!(site of the ESO Very Large Telescope- VLT) and Cerro Armazones (site of the ESO European Extremely Large Telescope- E-ELT), in Chile. At both sites, data from a rich statistical sample of different nights are available- from AWS (Automated Weather Stations) and masts - giving access to wind speed, wind direction and temperature at different levels near the ground (from 2 m to 30m above the ground). In this study we discuss the use of a very high horizontal resolution (Δ X=O.l km) numerical configuration that overcomes some specific limitations put in evidence with a standard configuration with Δ X=0.5 km. In both sites results are very promising. The study is co-funded by ESO and INAF.

Citation Download Citation

Franck Lascaux and Elena Masciadri "MOSE: zooming on the Meso-NH mesoscale model performances at the surface layer at ESO sites (Paranal and Armazones)", Proc. SPIE 8447, Adaptive Optics Systems III, 84475B (13 September 2012); https://doi.org/10.1117/12.925934

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