The FOREVER (formation and evolution of the volcanic edifice of Reunion island) addresses a scientific issue which is twofold: the first involves the role played by the lithosphere in surface volcanism's expression and the second is a contribution to studying the phenomenon of flank destabilization and its related hazards. Reunion Island's volcanic edifice was the target. In the long term, the aim is to understand how volcanism is established in the intra-plate domain with respect to mantle dynamics, pre-existing structures of the lithosphere and on a smaller scale, how the edifice itself evolves. The survey fell under the themes of the national DyETI (on the dynamics and evolution of the inner earth) and the Reliefs programs. An extra day was granted under the EXTRAPLAC (for "reasoned extension of the continental shelf") program to make additional profiles in order to meet the program's objectives in the Reunion Island area.
Sea/Ocean
Indian Ocean
Ports
Port of departure : Port Louis (Mauritius)
Port of return : Port Louis (Mauritius)
Project
EXTRAPLAC
Scientific Authority
INSTITUT DE PHYSIQUE DU GLOBE DE PARIS - UMR 7154, UMS 3454
CNRS-INSU, IPG Paris, Univ. La Réunion, Univ.Pau, OPG Clermont-Ferrand et IRD
Discipline(s)
PHYSICAL OCEANOGRAPHY
MARINE GEOSCIENCES
Code
Label
Quantity
PI
D71
Current profiler (eg ADCP)
ADCP RDI 75 et 300 kHz
-
DEPLUS Christine
G01
Dredge
4 hauls
DEPLUS Christine
G04
Core soft bottom
Carottier Kullenberg
2 cores
DEPLUS Christine
G24
Long to short range side scan sonar
imagerie de l'EM12D
-
DEPLUS Christine
G27
Gravity measurements
Gravimètre KSS31 du 'PP ?' avec capteur ancien KSS30 de L'Atalante
-
DEPLUS Christine
G28
Magnetic measurements
Magnétomètre remorqué SeaSpy
-
DEPLUS Christine
G73
Single-beam echosounding
-
DEPLUS Christine
G74
Multi-beam echosounding
Sondeur Simrad EM12D
-
DEPLUS Christine
G75
Single channel seismic reflection
Pénétrateur de sédiment 3.5 kHz
-
DEPLUS Christine
G76
Multichannel seismic reflection
Sismique rapide numérique
-
DEPLUS Christine
H13
Bathythermograph
XBT (sondes SIPPICAN MK12)
-
DEPLUS Christine
H71
Surface measurements underway (T,S)
Thermosalinomètre
-
DEPLUS Christine
M06
Routine standard measurements
Centrales vent et météo
-
DEPLUS Christine
Summary of measurements
-Bathymetry and Simrad EM12D image acquisition. -Gravimeter profiles (using the KSS31 from the Pourquoi pas? vessel, with the sensor from L'Atalante's former KSS30). -Seaspy towed magnometer profiles. -3.5 kHz sediment penetrator profiles. - Digital high speed seismic profiles (Sercel 24-channel streamer + 2 GI 45/45 and 105/105 air guns. -2 Kullenberg core samples. -4 dredging operations. -Sippican shots.
Location map
Positionning system
Geodetic system : WORLD GEODETIC SYSTEM 1984 = WGS84
Lebas E., Le Friant A., Deplus C., de Voogd B. (2018). Understanding the evolution of an oceanic intraplate volcano from seismic reflection data: A new model for La Réunion, Indian Ocean. Journal Of Geophysical Research-solid Earth, 123(2), 1035-1059. Publisher's official version : https://doi.org/10.1002/2017JB014959 , Open Access version : https://archimer.ifremer.fr/doc/00422/53382/
Mazuel Aude, Sisavath Emmanuelle, Babonneau Nathalie, Jorry Stephan, Bachelery Patrick, Delacourt Christophe (2016). Turbidity current activity along the flanks of a volcanic edifice: The mafate volcaniclastic complex, La Réunion Island, Indian Ocean. Sedimentary Geology, 335, 34-50. Publisher's official version : https://doi.org/10.1016/j.sedgeo.2016.01.020 , Open Access version : https://archimer.ifremer.fr/doc/00312/42273/
Pous Stephane, Lazure Pascal, Andre Gael, Dumas Franck, Halo Issufo, Penven Pierrick (2014). Circulation around La Reunion and Mauritius islands in the south-western Indian Ocean: A modeling perspective. Journal of Geophysical Research-Oceans, 119(3), 1957-1976. Publisher's official version : https://doi.org/10.1002/2013JC009704 , Open Access version : https://archimer.ifremer.fr/doc/00195/30624/
Babonneau Nathalie, Delacourt Christophe, Cancouet R., Sisavath Emmanuelle, Bachelery Patrick, Mazuel Aude, Jorry Stephan, Deschamps Anne, Ammann Jerome, Villeneuve N. (2013). Direct sediment transfer from land to deep-sea: Insights into shallow multibeam bathymetry at La Réunion Island. Marine Geology, 346, 47-57. Publisher's official version : https://doi.org/10.1016/j.margeo.2013.08.006 , Open Access version : https://archimer.ifremer.fr/doc/00156/26697/
Saint-Ange Francky, Bachelery Patrick, Babonneau Nathalie, Michon Laurent, Jorry Stephan (2013). Volcaniclastic sedimentation on the submarine slopes of a basaltic hotspot volcano: Piton de la Fournaise volcano (La Réunion Island, Indian Ocean). Marine Geology, 337, 35-52. Publisher's official version : https://doi.org/10.1016/j.margeo.2013.01.004 , Open Access version : https://archimer.ifremer.fr/doc/00137/24798/
Sisavath Emmanuelle, Mazuel Aude, Jorry Stephan, Babonneau Nathalie, Bachelery Patrick, de Voogd Beatrice, Salpin Marie, Emmanuel Laurent, Beaufort Luc, Toucanne Samuel (2012). Processes controlling a volcaniclastic turbiditic system during the last climatic cycle: Example of the Cilaos deep-sea fan, offshore La Réunion Island. Sedimentary Geology, 281, 180-193. Publisher's official version : https://doi.org/10.1016/j.sedgeo.2012.09.010 , Open Access version : https://archimer.ifremer.fr/doc/00105/21659/
Lenat Jean-Francois, Bachelery Patrick, Merle Olivier (2012). Anatomy of Piton de la Fournaise volcano (La Reunion, Indian Ocean). Bulletin Of Volcanology, 74(9), 1945-1961. https://doi.org/10.1007/s00445-012-0640-y
Sisavath Emmanuelle, Babonneau Nathalie, Saint-Ange Francky, Bachelery Patrick, Jorry Stephan, Deplus Christine, de Voogd Beatrice, Savoye Bruno (2011). Morphology and sedimentary architecture of a modern volcaniclastic turbidite system: The Cilaos fan, offshore La Reunion Island. Marine Geology, 288(1-4), 1-17. Publisher's official version : https://doi.org/10.1016/j.margeo.2011.06.011 , Open Access version : https://archimer.ifremer.fr/doc/00056/16704/
Le Friant Anne, Lebas Elodie, Clement Valentin, Boudon Georges, Deplus Christine, de Voogd Beatrice, Bachelery Patrick (2011). A new model for the evolution of La Reunion volcanic complex from complete marine geophysical surveys. Geophysical Research Letters, 38, -. https://doi.org/10.1029/2011GL047489
Saint-Ange Francky, Savoye Bruno, Michon Laurent, Bachelery Patrick, Deplus Christine, de Voogd Beatrice, Dyment Jerome, Le Drezen Eliane, Voisset Michel, Le Friant Anne, Boudon Georges (2011). A volcaniclastic deep-sea fan off La Reunion Island (Indian Ocean): Gradualism versus catastrophism. Geology, 39(3), 271-274. https://doi.org/10.1130/G31478.1
Gailler Lydie-Sarah, Lenat Jean-Francois (2010). Three-dimensional structure of the submarine flanks of La Reunion inferred from geophysical data. Journal Of Geophysical Research-solid Earth, 115(B12), 1-27. https://doi.org/10.1029/2009JB007193
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