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

摘要

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 to30m 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.© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.