TURBULENCE PREDICTION: REPORT ON MODEL GEOMETRY
Date Issued
2021
Author(s)
Abstract
The H2020 SOLARNET project includes a study to investigate the possibility to set-up systems for the
forecast of the optical turbulence (OT) in the day-time regimes at the two sites of Roque de los Muchachos
Observatory (ORM, La Palma) and Teide Observatory (TO, Tenerife), with a particular attention to the site
that will be selected for the European Solar Telescope (EST). More precisely the study aims to upgrade to
day-time conditions the method to forecast the OT (C N2 profiles and integrated astroclimatic parameters)
that was developed by the INAF partner for night-time ground-based astronomy. The technique implies the
use of a mesoscale model (Meso-Nh) [RF1, RF2, RF3, RF4]. Seeing measurements at the ORM and TO
are presented in [RF5, RF6].
This document presents the global atmospheric model configuration. This includes the set-up of the
orography and the sequence of initialisation. Besides, we analysed also measurements taken by the
Stockholm University (SU) partner at the SST with the WF-WFS method in the past years in perspective of
using such measurements as a reference to calibrate and/or validate forecasts. In [RF6] measurements
taken with a SHABAR by the Istituto de Astrofisica de Canarias (IAC) partner during past years have been
analysed with the same philosophy and goal. The analysis of WF-WFS measurements has to be seen as
an integration of the [RF6]. We remind that measurements are relevant in this process as they represent
the reference with respect to which we can provide an analysis of the forecasts.
Rights
open.access
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SOLARNET-D7.12_v3.pdf
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