SOGIR 12 - LEG7

Name: SOGIR 12 - LEG7
Start: 2012-08-16
End: 2012-08-19
Location: Bay of Biscay

Type	Oceanographic cruise
Set	This cruise is part of the set SOGIR
Ship	Thalia
Ship owner	Ifremer
Dates	16/08/2012 - 19/08/2012
Chief scientist(s)	SOTTOLICHIO Aldo , DERRIENNIC Hervé , SAVOYE Nicolas
	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	10.17600/12070110
Objective	Long-term monitoring of the Gironde estuary ecosystem and ecological surveillance of the Blayais nuclear power plant. Specific dates for leg 7 aboard RV Thalia: from 16 to 19 August 2012. The other legs took place aboard RV Cotes de La Manche (12480010). The related project is SOMLIT-INSU.

Sea/Ocean

Bay of Biscay

(Gironde estuary)

Ports

Port of departure : Blaye (France)

Port of return : Blaye (France)

Scientific Authority

EPOC - DÉPARTEMENT DE GÉOLOGIE ET OCÉANOGRAPHIE (DGO)

UMR CNRS 5805 EPOC - OASU

Site de Talence

33405 TALENCE

+33 (0)5 40.00.88.67

Participating bodie(s)

INSU, Ifremer, EDF, Univ. Bordeaux 1 ' EPOC

Discipline(s)

CHEMICAL OCEANOGRAPHY
BIOLOGICAL OCEANOGRAPHY
ENVIRONMENT
PHYSICAL OCEANOGRAPHY

Code	Label	Quantity	PI
B09	Zooplankton Surface and bottom nets (see SOMLIT)	256 deployments	SAUTOUR Benoit
B18	Zoobenthos Van Veen Tipper	120 hauls	BACHELET Guy
B71	Particulate organic matter (inc POC	-	SAVOYE Nicolas
D01	Current meters Mean current (Surface and bottom)	256 deployments	SOTTOLICHIO Aldo
D90	Other physical oceanographic meas. Temperature, salinity and average current - Surface and bottom	256 measurements	SOTTOLICHIO Aldo
G02	Grab Van Veen Tipper	120 samples	BACHELET Guy
H09	Water bottle stations Surface and bottom	-	SOTTOLICHIO Aldo
H21	Oxygen Surface and bottom	256 measurements	SOTTOLICHIO Aldo
H22	Phosphate	-	SAVOYE Nicolas
H24	Nitrate	-	SAVOYE Nicolas
H25	Nitrite	-	SAVOYE Nicolas
H26	Silicate	-	SAVOYE Nicolas
H28	pH	-	SAVOYE Nicolas
H32	Isotopes Delta 15N et delta 13C	128 stations	SAVOYE Nicolas
H75	Total - N	152 stations	SAVOYE Nicolas
H76	Ammonia	152 stations	SAVOYE Nicolas
P01	Suspended matter	256 stations	SOTTOLICHIO Aldo

Summary of measurements

-Physical measurements (current, temperature, salinity, dissolved oxygen) at surface and bottom, at 4 moments of the tide: half-tide (rising), high water, half tide (falling) and low water.
-Samples of surface and bottom water at 4 moments of the tide: half-tide (rising), high water, half tide (falling) and low water.
-Filtrations for suspended matter at 4 moments of the tide: half-tide (rising), high water, half tide (falling) and low water.
-Plankton net at 4 moments of the tide: half-tide (rising), high water, half tide (falling) and low water.

Location map

Positionning system

Geodetic system : WORLD GEODETIC SYSTEM 1984 = WGS84

Positioning system : GPS naturel

Data managed by SISMER

Bibliography

References of Technical Reports

Quintin Jean-Yves, Sottolichio Aldo, Derriennic Hervé, Schmidt Sabine, Mallet Céline, Roux Ducept Alexandra, Sautour Benoît, Parra René, Dindinaud François, Bachelet Guy, Leconte Michel (2013). Surveillance écologique du site du Blayais - année 2012. RST DYNECO/AG/13-02. https://archimer.ifremer.fr/doc/00141/25181/