PNOCAT 3

Name: PNOCAT 3
Start: 1993-04-03
End: 1993-04-18
Location: Bay of Biscay

Type	Oceanographic cruise
Set	This cruise is part of the set PNOC : PROGRAMME NATIONAL D'OCÉANOGRAPHIE CÔTIÈRE
Ship	Gwen Drez
Ship owner	Ifremer
Dates	03/04/1993 - 18/04/1993
Chief scientist(s)	HERBLAND Alain, BOUTIER Bernard
	IFREMER, DELEGATION LA NOUVELLE-CALEDONIE Campus IRD 101 Promenade Roger Laroque BP 32078 98897 NOUMEA Cedex +687 28 51 71 https://nouvelle-caledonie.ifremer.fr/
DOI	10.17600/93000450
Objective	Transport, behaviour and fate of metallic contaminants (essentially cadmium, but also chromium and arsenic). Influence and interaction of physical, chemical and biological processes. Cruise coupled with RV Cote d'Aquitaine (CNRS).

Sea/Ocean

Bay of Biscay

(Panache Gironde, large Ile d'Oleron)

Ports

Port of departure : La Rochelle (France)

Port of return : La Rochelle (France)

Project

NATIONAL PROGRAMME OF COASTAL OCEANOGRAPHY

Scientific Authority

CRELA

Centre de Recherche sur Ecosystèmes Littoraux Anthropisés

Place du Séminaire

17137 L'HOUMEAU

+33(0)5 46.50.94.40

Participating bodie(s)

CREMA L'HOUMEAU, LCCM IFREMER, UNIV.BORDEAUX, CNRS

Discipline(s)

Code	Label	Quantity	PI
B01	Primary productivity mesure par methode "in situ"	24	HERBLAND Alain
B02	Phytoplankton pigments (eg chloroph	24 stations	HERBLAND Alain
B03	Seston	24 measurements	HERBLAND Alain
B06	Dissolved organic matter (inc DOC)	24	HERBLAND Alain
B07	Pelagic bacteria/micro-organisms	24	HERBLAND Alain
B08	Phytoplankton	24	HERBLAND Alain
B09	Zooplankton	24	HERBLAND Alain
B71	Particulate organic matter (inc POC	-	HERBLAND Alain
B72	Biochemical meas. (eg,lipids,amino	-	HERBLAND Alain
B73	Sediment traps	6 deployments	HERBLAND Alain
H10	CTD stations sonde CTD SBE 25	42 stations	FROIDEFOND Jean-Marie
H16	Transparency (eg transmissometer)	24 stations	HERBLAND Alain
H17	Optics (eg underwater light levels)	42 stations	HERBLAND Alain
H21	Oxygen	42 stations	JOUANNEAU Jean-Marie
H22	Phosphate	24 stations	HERBLAND Alain
H23	Total - P	24 stations	HERBLAND Alain
H24	Nitrate	24 stations	HERBLAND Alain
H25	Nitrite	24 stations	HERBLAND Alain
H26	Silicate	24 stations	HERBLAND Alain
H75	Total - N	24 stations	HERBLAND Alain
H76	Ammonia	24 stations	HERBLAND Alain
P01	Suspended matter	-	HERBLAND Alain
P02	Trace metals Cd, Cr, As	32 stations	HERBLAND Alain

Summary of measurements

-Water samples taken by pumping.
-Filtration and sieving to study particles.
-Deploying and retrieving the drifting system (particle trap).

Location map

Data managed by SISMER

Publications

Michel Pierre, Boutier Bernard, Herbland Alain, Averty Bernard, Artigas Lf, Auger Dominique, Chartier E (1998). Behaviour of arsenic on the continental shelf off the Gironde estuary: role of phytoplankton in vertical fluxes during spring bloom conditions. Oceanologica Acta, 21(2), 325-333. Publisher's official version : https://doi.org/10.1016/S0399-1784(98)80019-4 , Open Access version : https://archimer.ifremer.fr/doc/00000/851/