Podcast Maré Sonora ® · vidéo

Ce que couvre cette vidéo

Marine geologist Samuel Toucan from IFREMER in Brest and PhD student Brandon Finley from the University of Lausanne describe the GreenCORE project aboard the sailing vessel Forel during the third expedition of the Forel Heritage Association in Greenland.2:28 The project uses marine sediments collected from Greenland fjords as an archive of past glacier and ice sheet behavior, with the goal of reconstructing historical glacial activity and comparing it against present-day changes driven by climate warming.0:11 The first leg runs from Kangerlussuaq to Narsarsuaq along the west coast.2:42 On board, the team operates a sub-bottom profiler — a system not standard on the Forel — that sends acoustic signals through the seabed to image sedimentary layers below the fjord floor.10:27 Toucan describes having to source and rent the equipment himself, unlike larger research vessels where technicians handle logistics.7:06 Finley, on his first field deployment, explains how transect profiles will map sediment flux and potentially correlate recent glacial melt with increased sediment deposition.19:13 Both scientists note the physical and logistical challenges of working on a small sailing vessel.19:30 The episode is the eighth in a ten-part series on the Forel and its scientific team.3:04

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