CASSISED 2019 - 1-3

Type Oceanographic cruise
Ship L'Europe
Ship owner Ifremer
Dates 04/03/2019 - 29/08/2019
Chief scientist(s) DENNIELOU Bernard ORCID

GEO-OCEAN - UMR 6538

IFREMER - Technopôle Brest-Iroise

IUEM - Rue Dumont d'Urville

29280 Plouzané

https://www.geo-ocean.fr/
DOI 10.17600/18000904
Objective

The aim of the cruise was to characterize and quantify sediment transfer from the Cassidaigne canyon to adjacent areas by using bauxite tailings also called red mud tailings as a tracer. We aim at understanding the role of bottom currents related to the Northern Current and seasonal upwellings as well as the possible the occurence mass movements in the dispersal of red mud. This survey will help to better understand the development of sedimentary deposits and bodies such as turbiditic channel-levees, terminal lobes and contourites on continental margins.

Specific objectives:

  • Survey of red mud distribution (bathymetry, chirp sediment penetrator);
  • Characterisation of sedimentary and mechanical properties of red mud;
  • Role of seabed boundary layer hydrodynamics in red mud dispersal;
  • Numerical modelisation of gravity transport and distal deposits.

 

Published data

Brun Lenaig, Pairaud Ivane, Silva Jacinto Ricardo, Garreau Pierre, Dennielou Bernard (2023). Hydrodynamic dataset from the UPCAST and CASSISED campaigns in the Cassidaigne canyon (NW Mediterranean Sea). https://doi.org/10.17882/92820


Data managed by SISMER

Sampling operations

Dives

Missions

Bibliography

Publications

Brun Lenaig, Pairaud IvaneORCID, Silva Jacinto Ricardo, Garreau PierreORCID, Dennielou BernardORCID (2023). Strong hydrodynamic processes observed in the Mediterranean Cassidaigne submarine canyon. Frontiers In Marine Science, 10, 1078831 (17p.). Publisher's official version : https://doi.org/10.3389/fmars.2023.1078831 , Open Access version : https://archimer.ifremer.fr/doc/00819/93128/


References of Technical Reports

Gaillot Arnaud (2019). Mission CASSISED : Traitement des données SMF AUV EM2040. PDG/REM/CTDI/ 20190909_AG01_CASSISED_TraitementSMF.


Dennielou BernardORCID (2019). Rapport de la campagne CASSISED-2019.