PHYGAS 31

Name: PHYGAS 31
Start: 1973-01-17
End: 1973-01-30
Location: Bay of Biscay

Type	Oceanographic cruise
Set	This cruise is part of the set PHYGAS : PHYSIQUE GASCOGNE
Ship	Jean Charcot
Ship owner	Ifremer
Dates	17/01/1973 - 30/01/1973
Chief scientist(s)	LEFLOCH Jean
	LABORATOIRE DE PHYSIQUE DES OCEANS/UBO Université de Bretagne Occidentale 6 avenue Victor-Le-Gorgeu BP 809 29285 BREST CEDEX +33 (0)2 98.01.61.21 https://www.umr-lops.fr/
DOI	10.17600/73000111
Objective	This cruise is part of the cycle of seasonal PHYsical-GAScony cruises, whose aim is to study hydrological conditions at various times of the year in the Bay of Biscay.

Sea/Ocean

Bay of Biscay

(GOLFE DE GASCOGNE)

Ports

Port of departure : Brest (France)

Port of return : Brest (France)

Scientific Authority

LABORATOIRE DE PHYSIQUE DES OCEANS/UBO

Université de Bretagne Occidentale

6 avenue Victor-Le-Gorgeu BP 809

29285 BREST CEDEX

+33 (0)2 98.01.61.21

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

Participating bodie(s)

LABORATOIRE D'OCEANOGRAPHIE PHYSIQUE BREST

Discipline(s)

METEOROLOGY
PHYSICAL OCEANOGRAPHY

Code	Label	Quantity	PI
B09	Zooplankton Traits de filet	-	LEFLOCH Jean
H09	Water bottle stations	-	LEFLOCH Jean
H10	CTD stations	58 stations	LEFLOCH Jean
H21	Oxygen	58 stations	LEFLOCH Jean
M06	Routine standard measurements	58 measurements	LEFLOCH Jean

Summary of measurements

-Temperature and salinity measurements.
-Recording of incident solar radiation.
-Net trawl hauls with Isaac Kid (12), Galerou (2), larvae (3) and Hai tube (2).
-Le Floch J. et al. 1974 "Physical oceanography of the Near Atlantic according to the PHYGAS 31 and 34 cruises"; CNEXO scientific report.
-60 hydrological stations with CTDO2 probe.
-46 conventional hydrological stations between 150 and 2000 m.
-59 hydrological stations with NIO bottles between 150 m and the surface.
-37 samples with Niskin bottles at 7 levels between 150 m and the surface.
-35 vertical lines with WP2 type triple net between 200 m and the surface.
-2 complete series of triple net WP2 in the layer 2000 m-surface.

Positionning system

Geodetic system : VALEUR INDEFINIE

Positioning system : Sat Transit + autre ?

Data managed by SISMER

Bibliography

References of Technical Reports

Fruchaud-Lappara B., Le Floch J., Le Tareau J. Y., Tanguy A. (1976). Etude hydrologique et variations saisonnières dans le proche atlantique en 1973. Publications du Centre National pour l'Exploitation des Océans (CNEXO), Série Rapports Scientifiques et Techniques, n° 26 - 1976. ISSN 0339-2899. https://archimer.ifremer.fr/doc/00449/56101/