Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006pasp..118.1604m&link_type=abstract
The Publications of the Astronomical Society of the Pacific, Volume 118, Issue 849, pp. 1604-1619.
Astronomy and Astrophysics
Astronomy
22
Atmospheric Effects, Turbulence, Methods: Numerical, Site Testing
Scientific paper
We present the first complete seasonal variation study extended over 1 year, of all the principal astroclimatic parameters above the San Pedro Mártir Observatory, simulated with an atmospheric model, Meso-Nh. The model was run in an autonomous way to simulate C2N and wind speed vertical profiles (~20 km) related to the 80 nights after it was calibrated with the aid of a set of measured C2N profiles. All the integrated parameters are calculated using two basic parameters: C2N(h) and V(h). Simulations match measurements within a dispersion of a few percent. Correlations between meteorological and astroclimatic parameters are discussed, and general seasonal trends are presented as evidence. The potential of numerical simulations as a new tool for the climatological analysis of optical turbulence above astronomical sites is discussed.
Egner Sebastian
Masciadri Elena
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