12/6/2023 0 Comments Underwater falls![]() Their impacts on the seafloor were unknown until they were first described in the northern coast of Catalonia, in the northwestern Mediterranean, in a scientific paper led by GRCGM-UB researchers ( Nature, 2006). Undersea waterfalls are one of the most fascinating phenomena in modern oceanography. "FAR-DWO will analyze for the first time the hydrographic and sedimentological variability from the sampling and observation of the water column and the sediment and relief of the seafloor during the campaign, with the deployment of two instrumented lines at great depth that will record current information for a whole year, until September 2024, when they will be recovered."Ī phenomenon described extensively and pioneeringly in the north of the Catalan coast "To date, the hydrodynamic characteristics of this large underwater cataract had been studied, but in FAR-DWO we intend to explore aspects that are still unknown, such as its capacity to transport sediments and modify the relief and the influence of topography on its propagation", say David Amblàs and Anna Sanchez-Vidal, members of the Department of Earth and Ocean Dynamics at the UB. The project, which will be carried out from July 19 to August 12 aboard the oceanographic ship Sarmiento de Gamboa (owned by the Spanish National Research Council), is led by Professors David Amblàs and Anna Sanchez-Vidal, from the Consolidated Research Group on Marine Geosciences of the Faculty of Earth Sciences of the University of Barcelona ( GRCGM-UB).Įxploring the lesser-known side of the Denmark Strait undersea waterfall Although this dense water overflow is and has been intensively studied by the scientific community from the point of view of physical oceanography, there are key aspects that are still unknown and will be addressed in the FAR-DWO oceanographic campaign. ![]() This phenomenon plays a decisive role in the Atlantic thermohaline circulation - and therefore in the global climate - and is key to the functioning of the deep-sea ecosystems in the area.
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