Marjolaine Emilie Josette Sabine-LamoureuxUniversity of Bordeaux · College of Science and Technology
Marjolaine Emilie Josette Sabine-Lamoureux
Doctor of deep-sea sedimentology and paleoclimates
Writing summaries of marine geoscience paper overviews and popularization of marine geoscience for Terres du Passé.
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29
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Publications (29)
A multiproxy sedimentological study was conducted on five sediment cores retrieved between 67 and 79°N in the Greenland/Iceland/Norwegian seas in order to infer a common chronostratigraphic model for the selected cores. This model is based on the use of a series of geochemical, physical and micropaleontological proxies which are routinely measured...
The upper branch of the Atlantic meridional overturning circulation (AMOC) plays a critical role in ocean circulation and climate change, yet its variability during the last glacial period is poorly documented. Here, we investigate the northward‐flowing Glacial Eastern Boundary Current (GEBC) in the North Atlantic, known today as the European Slope...
(Diaporama disponible : https://www.terres-du-passe.com/page-153-soutenance-de-these-2021.htm)
Ce travail présente une analyse des environnements sédimentaires marins profonds des mers nordiques à l’interface de l’Atlantique nord et de l’Arctique (mers du Groenland, de Norvège, de Barents et d’Islande) au cours du dernier million d’années. Il se ba...
La version numérique est disponible ici : https://www.terres-du-passe.com/page-123-reunion-des-sciences-de-la-terre-2018.htm
Le détroit de Fram est la seule connexion directe actuelle entre les eaux chaudes et salées de l’Atlantique Nord et les eaux froides et plus douces de l’Arctique. Le courant atlantique remonte par l’est, le long de la marge...
In the Ionian Sea, the subduction of the Nubia plate underneath the Eurasia plate leads to an important sediment remobilisation on the Calabrian Arc and the Mediterranean Ridge. These events are often associated with earthquakes and tsunamis. In this study, we analyse gravity-driven deposits in order to establish their recurrence time on the Calabr...
The last glacial millennial Heinrich and Dansgaard–Oeschger events have been the subject of many studies in recent decades. However, significant uncertainties remain, notably regarding associated oceanic mechanisms. Here we investigate the evolution of hydrographical conditions in the 3–41 ka cal BP interval of core MD99-2285 located in the souther...
In the aftermath of the devastating tsunami on the Japanese coast in 2011, a French multi-partnership project called TANDEM has been launched to assess the impact of tsunamis generated or propagated in the vicinity of French Channel and Atlantic coastlines. Tsunami are usually generated by earthquakes, but can also be triggered by submarine landsli...
The last glacial period
was punctuated by abrupt climatic events with extrema known as Heinrich
and Dansgaard–Oeschger events. These millennial events have been the
subject of many paleoreconstructions and model experiments in the past
decades, but yet the hydrological processes involved remain elusive. In the
present work, high-resolution analyses...
Les études antérieures portant sur les systèmes turbiditiques du golfe de Gascogne (systèmes Celtique, Armoricain et du Cap-Ferret) n’ont jamais permis d’atteindre leurs parties terminales (Bourillet et al., 2006) et ce uniquement en raison de l’absence de levés dans ces zones. Afin de connaitre leurs extensions réelles nous avons compilé des donné...
La mer Ionienne, de par la présence de deux prismes d’accrétions (arc calabrais et ride méditerranéenne) liés à la subduction de la plaque nubienne sous la plaque eurasienne, est le témoin de grands évènements turbiditiques, parfois appelés homogénites. Ces évènements sont associés à des séismes de magnitude supérieure à 7 ainsi qu’à des tsunamis....
L’enseignement de l’océanographie nécessite de maîtriser l’instrumentation océanographique (Niskin, courantomètre, bathymétrie, bennes, carottier) et les techniques d’échantillonnage des eaux et des sédiments. L’océanographie étant étroitement liée aux navires de recherche, il est fondamental que les étudiants puissent y avoir accès. Le navire « Cô...
The last glacial period was punctuated by abrupt climatic events with extrema known as Heinrich Events and Dansgaard–Oeschger cycles. These millennial events have been the subject of many paleoreconstructions and model experiments in the past decades, but yet the hydrological processes involved remain elusive. In the present work, high resolution a...
24e Réunion des Sciences de la Terre
