ASPEX4

Name: ASPEX4
Start: 2011-08-06
End: 2011-08-15
Location: Bay of Biscay

Type	Oceanographic cruise
Set	This cruise is part of the set ASPEX
Ship	Thalassa
Ship owner	Ifremer
Dates	06/08/2011 - 15/08/2011
Chief scientist(s)	MARIE Louis
	LABORATOIRE D'OCÉANOGRAPHIE PHYSIQUE ET SPATIALE - UMR 6523 Centre Ifremer Bretagne ZI Pointe du Diable CS 10070 29280 Plouzané +33 (0)2 98 22 42 76 dirumr6523@ifremer.fr http://www.umr-lops.fr/
DOI	10.17600/11040050
Objective	Retrieving an array of moored current meters instrumenting subtidal circulation on the ocean margins of the Bay of Biscay (Armorican and Aquitaine shelves and slopes). Related hydrological measurements. The cruise is related to the ASPEX project.

Sea/Ocean

Bay of Biscay

Ports

Port of departure : Brest (France)

Port of return : Brest (France)

Scientific Authority

OPS / LABORATOIRE DE PHYSIQUE DES OCEANS (LPO)

IFREMER Centre de Bretagne

ZI Pointe du diable

29280 PLOUZANE

+33 (0)2 98.22.42.76

fabrice.ardhuin@ifremer.fr

http://www.umr-lops.fr/

Participating bodie(s)

AZTI, CNRS, IFREMER, IRD

Discipline(s)

PHYSICAL OCEANOGRAPHY
CHEMICAL OCEANOGRAPHY
MARINE GEOSCIENCES

Code	Label	Quantity	PI
D01	Current meters Relevage de courantomètres acoustiques sur mouillages filaires - (cam de relevage)	12 deployments	MARIE Louis
D05	Surface drifters/drifting buoys	2 deployments	MARIE Louis
D71	Current profiler (eg ADCP) VMADCP (env. 1000 milles)	-	MARIE Louis
G02	Grab Benne Shipeck	10 samples	MARIE Louis
G73	Single-beam echosounding	-	MARIE Louis
H09	Water bottle stations	75 stations	MARIE Louis
H10	CTD stations Sur point de mouillage	16 stations	MARIE Louis
H11	Subsurface meas. underway (T,S) Poisson remorqué Scanfish (env. 800 milles)	-	MARIE Louis
H31	Radioactivity (resp : P. Bailly du Bois) - Prélèvements Tritium	75 stations	MARIE Louis
H71	Surface measurements underway (T,S) TSG du bord (env. 1000 milles)	-	MARIE Louis
M06	Routine standard measurements Vent et météo	-	MARIE Louis

Summary of measurements

-Current meter moorings retrieved.
-CTD stations.
-Hydrological sections while underway with Scanfish towfish.
-VMADCP.
-Samples taken to measure Tritium activity.
-Sediment samples taken using Shipeck grab.
-Deployment of ARVOR-C profiling floats (T, S).

Location map

Positionning system

Geodetic system : WORLD GEODETIC SYSTEM 1984 = WGS84

Positioning system : GPS différentiel

Published data

Marie Louis, Loubrieu Benoit, Dupre Stephanie (2019). Seawater temperature, conductivity, pressure and salinity data offshore the Aquitaine Basin (XBT profiles and near-bottom moorings). https://doi.org/10.17882/61855

Data managed by SISMER

Bibliography

Publications

Oms Pierre-Emmanuel, Bailly Du Bois Pascal, Dumas Franck, Lazure Pascal , Morillon Mehdi, Voiseux Claire, Le Corre Cedric, Cossonnet Catherine, Solier Luc, Morin Pascal (2019). Inventory and distribution of tritium in the oceans in 2016. Science Of The Total Environment, 656, 1289-1303. Publisher's official version : https://doi.org/10.1016/j.scitotenv.2018.11.448 , Open Access version : https://archimer.ifremer.fr/doc/00470/58157/

Charria Guillaume , Theetten Sebastien , Vandermeirsch Frederic, Yelekci Ozge, Audiffren Nicole (2017). Interannual evolution of (sub)mesoscale dynamics in the Bay of Biscay. Ocean Science, 13(5), 777-797. Publisher's official version : https://doi.org/10.5194/os-13-777-2017 , Open Access version : https://archimer.ifremer.fr/doc/00403/51468/

Le Boyer Arnaud, Charria Guillaume , Le Cann Bernard, Lazure Pascal , Marie Louis (2013). Circulation on the shelf and the upper slope of the Bay of Biscay. Continental Shelf Research, 55, 97-107. Publisher's official version : https://doi.org/10.1016/j.csr.2013.01.006 , Open Access version : https://archimer.ifremer.fr/doc/00139/24976/

Thesis using campaign data

Oms Pierre-Emmanuel (2019). Transferts multi-échelles des apports continentaux dans le golfe de Gascogne / Multiscale transfers of continental inputs in the Bay of Biscay. PhD Thesis, Université de Bretagne Occidentale.

Mengual Baptiste (2016). Variabilité spatio-temporelle des flux sédimentaires dans le Golfe de Gascogne : contributions relatives des forçages climatiques et des activités de chalutage. PhD Thesis, Univesité de Bretagne Occidentale.