Statistics – Applications
Scientific paper
Sep 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009otam.conf..334c&link_type=abstract
Optical Turbulence: Astronomy Meets Meteorology, Proceedings of the Astronomy Meets Meteorology, Proceedings of the Optical Turb
Statistics
Applications
Scientific paper
Paranal is located in the north zone of Chile, which is considered a privileged zones for astronomical observation for his desert conditions, not much cloudiness and low light contamination. These same condition are present in the Pachón summit where is located the Gemini South observatory. Similar features have the zone of Macón in Salta region in Argentina. This place is one of the sites pre-selected for the construction of the E-ELT. The behavior of the atmospheric conditions is important within the astronomical observation because knowing his future state it would be possible program the instruments for the night of observation. To do this we use meteorological forecasts models to simulate the behavior of the atmosphere. The period in study was year 2005, where the atmosphere conditions were simulated with GFS and MM5 models. In order to perform the analysis of the simulation in those three sites, the meteorological variables data was interpolated using geographic coordinates of each weather station and compare them with the measured meteorological variables. In this report we evaluate the temperature and in the future we will evaluate: the relative humidity, atmospheric pressure, direction and intensity of the wind. In the first part of the analysis we found that the forecast of MM5 is better than GFS model, as expected. In the second part of the analysis a Kalman filter has been implemented to minimize the systematic errors of the simulation of GFS and MM5.
Chacon Adam
Cuevas O. O.
Cure Michel
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