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Extending scientific measurements to the wider world of sailing

Ifremer scientists are seeking to simplify data collection on board sailing boats to extend the initiative to volunteer leisure sailors.

LES SABLES D'OLONNE, FRANCE - OCTOBER 23, 2024: Experts are pictured during an explanation briefing about ARGO floating buoys and photometers use, to skippers, at prestart of the Vendee Globe, on October 23, 2024 in Les Sables d'Olonne, France - (Photo by Anne Beauge / Alea)
LES SABLES D'OLONNE, FRANCE - 23 OCTOBRE 2024 : Des experts sont photographiés lors d'un briefing d'explication sur l'utilisation des bouées flottantes ARGO et des photomètres, aux skippers, lors du pré-départ du Vendée Globe, le 23 octobre 2024 aux Sables d'Olonne, France - (Photo by Anne Beauge / Alea)

On the one hand many sailors want to use their own sea and ocean crossings to contribute to scientific research so there can be much more knowledge about the marine environment and to prompt wider action. And scientists need quality data to understand the ocean.

Ocean and offshore racing skippers have made it possible to make the first steps by taking measurements from their boats. But the sensors deployed are expensive and energy-hungry and scientific protocols require careful implementation. This is why a technological research and development project is underway to simplify data collection under sail.

Moment scientifique à bord pour Fabrice Amedeo | Vendée Globe 2024

A low-tech sensor in development

The first objective is to develop and offer lower tech sensors. A prototype, validated in the Ifremer laboratories, is currently being tested on the Vendée Globe. Scientists have worked on cheaper materials and a more basic design, while maintaining precision technology in measurement. Because the device must be able to measure the temperature and salinity of surface marine waters, with an accuracy of less than 0.02°C for the temperature.

The second challenge is to simplify the scientific protocols for collecting, transmitting, validating data and ensuring their consistency. The idea currently being developed is in particular to use a network of nanosatellites, the size of a shoebox, which would allow scientists to transmit more data with the contribution of boaters.

"This type of observation by sailboat is valuable for two reasons: to validate satellite measurements and to complete our scientific monitoring in areas that are difficult to access," explains Lucie Cocquempot, coordinator of oceanographic observation programs at Ifremer.


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