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History of Radars at the Observatoire de Physique du Globe de Clermont-Ferrand: Applications in Meteorology and Volcanology

Abstract : In 1970, Henri Dessens, director of the Clermont-Fd Observatory, wanted to use radar to study the physics of the atmosphere. The idea became a reality with Serge Godard, who took over from Dessens at the head of the Observatory. He succeeded in recovering a military radar that was diverted from its original function to become a study and research instrument called ANATOL (ANAlyse et Trajectoire d'Orages Locaux). ANATOL's long career came to an end in 1995 after more than 45 years of good and loyal service in atmospheric research. However, the idea of using radars continued to grow and in 1993, under the direction of Daniel Ramon, an ST (Stratosphere-Troposphere) radar was installed with Météo-France. Then, in the mid-1990s, Jacques Kornprobst, director, launched the Observatory on the design and technical production of a prototype "volcanological" Doppler radar, VOLDORAD-1. Responding to volcanological needs, it was tested in a pioneering way at Etna in 1998. This success led to the construction of two other unique volcanological radars (VOLDORAD-2 and 2B) and a third (VOLDORAD-3). Since 2002, these radars have been combined into a dedicated observation service within the OPGC and are used for monitoring volcanic eruptions but also for atmospheric studies.
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Submitted on : Thursday, January 13, 2022 - 2:27:26 PM
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Nathalie Vidal, Franck Donnadieu, Joël Van Baelen. History of Radars at the Observatoire de Physique du Globe de Clermont-Ferrand: Applications in Meteorology and Volcanology. e-Phaïstos, Centre d’Histoire des Techniques (équipe de l’IHMC, UMR 8066) CNRS / Université Paris 1 Panthéon-Sorbonne, 2021, ⟨10.4000/ephaistos.9128⟩. ⟨hal-03524796⟩

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