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Poster De Conférence Année : 2024

Modular seismo-acoustic float technology for coastal and open ocean observation

Sébastien Bonnieux
Karin Sigloch
Yann Hello

Résumé

Lagrangian floats are used since the early 2000s for monitoring temperature and salinity of the oceans, and more recently for recording tele-seismic waves. This technology is originally dedicated to global monitoring because it's drifting with oceanic currents over thousands of kilometers. Recent developments have shown that the floats can also be equipped with an anchoring or semi-anchoring system to prevent the current drift. It opens up even more possible applications for many multidisciplinary ocean science studies. However, it also highlights the needs of modularity to handle different users, and evolving needs, while reducing development time without affecting reliability and cost of the instrument. We introduce some use cases from seismology to biology to identify the main requirements of modularity and discuss about software and hardware limitations. We present our approach of modular software, with a domain-specific language, allowing deployment of several applications, on a float equipped with high and low frequency hydrophones for multidisciplinary acoustic monitoring. A first prototype will be deployed in 2024 and further developments are to come in the next years.
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Dates et versions

hal-04505477 , version 1 (14-03-2024)

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Sébastien Bonnieux, Karin Sigloch, Yann Hello, Frederic Rocca. Modular seismo-acoustic float technology for coastal and open ocean observation. European Geosciences Union, Apr 2024, Vienne, Austria. 2024, ⟨10.5194/egusphere-egu24-8663⟩. ⟨hal-04505477⟩
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