JERICOBENT-2

Name: JERICOBENT-2
Start: 2017-08-14
End: 2017-08-26
Location: Bay of Biscay

Type	Oceanographic cruise
Set	This cruise is part of the set JERICOBENT
Ship	Côtes De La Manche
Ship owner	CNRS until 2019 - IFREMER since 2020
Dates	14/08/2017 - 26/08/2017
Chief scientist(s)	DEFLANDRE Bruno
	ENVIRONNEMENTS ET PALÉOENVIRONNEMENTS OCÉANIQUES ET CONTINENTAUX - UMR 5805 Allée Geoffroy Saint-Hilaire CS 50023 33615 Pessac Cedex +33 (0)5 40 00 88 67 https://www.epoc.u-bordeaux.fr/
DOI	10.17600/17011000
Objective	Studying the impact of the diversity of benthic fauna and of the qualitative and quantitative contributions of organic matter on the ecological and biogeochemical functioning of the benthic ecosystem of the West Gironde mud patch (Bay of Biscay) in relation to the hydrological regime of the Gironde Estuary. The related projects are JERICO-NEXT, VOG, EC2CO/DRIL et LEFE/CYBER.

Sea/Ocean

Bay of Biscay

(Vasière West Gironde)

Ports

Port of departure : Bordeaux (France)

Port of return : Bordeaux (France)

Limits

North	South	West	East
45.8	45.4	-1.9	-1.4

Project

JERICO-NEXT : Towards a joint European research infrastructure network for coastal observatories

Scientific Authority

ENVIRONNEMENTS ET PALÉOENVIRONNEMENTS OCÉANIQUES ET CONTINENTAUX - UMR 5805

Allée Geoffroy Saint-Hilaire

CS 50023

33615 Pessac Cedex

+33 (0)5 40 00 88 67

https://www.epoc.u-bordeaux.fr/

Discipline(s)

CROSS-DISCIPLINE
BIOLOGICAL OCEANOGRAPHY
ENVIRONMENT
MARINE GEOSCIENCES
PHYSICAL OCEANOGRAPHY

Code	Label	Quantity	PI
B71	Particulate organic matter (inc POC Bulk, pigments, AA	24 cores	DEFLANDRE Bruno
G02	Grab Biodiversity	24 deployments	GREMARE Antoine
G04	Core soft bottom Particulate and dissolved chemical species	8 cores	DEFLANDRE Bruno
H10	CTD stations O2, T, C, salinity, fluorescence	8 profiles	DEFLANDRE Bruno
H31	Radioactivity	8 cores	SCHMIDT Sabine

Summary of measurements

-CTD profiles of water column and sampling of bottom water.
-Macrofauna samples taken (Hamon grab).
-Sediment image profiler.
-Sediment core samples taken at interface.
-Microelectrode profiler.

Location map

Bibliography

Publications

Fontanier Christophe, Mamo B., Dubosq N., Lamarque B., Rigaud S., Schmidt S., Lebleu P., Poirier D., Cordier M.-A., Grémare A., Deflandre B. (2023). Seasonal variability of living benthic foraminifera from the West-Gironde mud patch (Bay of Biscay, NE Atlantic): Three contrasted periods under the stereomicroscope. Continental Shelf Research, 268, 105117 (16p.). https://doi.org/10.1016/j.csr.2023.105117

Lamarque Bastien, Deflandre Bruno, Schmidt Sabine, Bernard Guillaume, Dubosq Nicolas, Diaz Melanie, Lavesque Nicolas, Garabetian Frédéric, Grasso Florent , Sottolichio Aldo, Rigaud Sylvain, Romero-Ramirez Alicia, Cordier Marie-Ange, Poirier Dominique, Danilo Martin, Grémare Antoine (2022). Spatiotemporal dynamics of surface sediment characteristics and benthic macrofauna compositions in a temperate high-energy River-dominated Ocean Margin. Continental Shelf Research, 247, 104833 (15p.). Publisher's official version : https://doi.org/10.1016/j.csr.2022.104833 , Open Access version : https://archimer.ifremer.fr/doc/00788/90030/

Fontanier Christophe, Deflandre B., Rigaud S., Mamo B., Dubosq N., Lamarque B., Langlet Dewi , Schmidt S., Lebleu P., Poirier D., Cordier M.A., Grémare A. (2022). Live (stained) benthic foraminifera from the West-Gironde Mud Patch (Bay of Biscay, NE Atlantic): Assessing the reliability of bio-indicators in a complex shelf sedimentary unit. Continental Shelf Research, 232, 104616 (13p.). Publisher's official version : https://doi.org/10.1016/j.csr.2021.104616 , Open Access version : https://archimer.ifremer.fr/doc/00739/85137/