PICOLO P1

Name: PICOLO P1
Start: 1997-01-13
End: 1997-02-08
Location: Atlantic Ocean

Type	Oceanographic cruise
Set	This cruise is part of the set PICOLO
Ship	Antea
Ship owner	IRD
Dates	13/01/1997 - 08/02/1997
Chief scientist(s)	MARCHAL Emile
	IRD ANTENNE INSTITUT OCEANOGRAPHIQUE INSTITUT OCEANOGRAPHIQUE 195 Rue Saint Jacques 75005 PARIS +33 (0)1 44.32.10.70
DOI	10.17600/97110020
Objective	Observing the trend over time of physical, chemical and biological parameters in relation to the possible existence of a shear wave and the Equatorial sub-current in the "PICOLO" along a meridian leg. This falls under the PICOLO project.

Sea/Ocean

Atlantic Ocean

Ports

Port of departure : Abidjan (Côte d'Ivoire)

Port of return : Abidjan (Côte d'Ivoire)

Scientific Authority

IRD CENTRE D'ABIDJAN

Rue du Chevalier de Clieu

15 BP 917

ABIDJAN 15

225.24.37.79

rep@ird.ci

Participating bodie(s)

ORSTOM-CNRS-CROA (Centre de Recherches Oceanologiques d'Abidjan, Cote d'Ivoire)

Discipline(s)

PHYSICAL OCEANOGRAPHY
BIOLOGICAL OCEANOGRAPHY
CHEMICAL OCEANOGRAPHY

Code	Label	Quantity	PI
B01	Primary productivity LETGO	13 stations	MARCHAL Emile
B02	Phytoplankton pigments (eg chloroph Chlorophylle, pheophytine	500 samples	MARCHAL Emile
B08	Phytoplankton	500	MARCHAL Emile
B09	Zooplankton traits de filet divers	160 hauls	MARCHAL Emile
B13	Eggs & larvae filet BONGO	10	MARCHAL Emile
B14	Pelagic fish chalut pelagique	23 hauls	MARCHAL Emile
B28	Acoustic reflection on marine organ echo-integration	-	MARCHAL Emile
D71	Current profiler (eg ADCP) ADCP 150 kHz	-	MARCHAL Emile
H09	Water bottle stations prelevements 12 niveaux 0-250 m	113 stations	MARCHAL Emile
H10	CTD stations CTD + fluorimetre	122 stations	MARCHAL Emile
H16	Transparency (eg transmissometer) penetration lumiere PNF	25 stations	MARCHAL Emile
H22	Phosphate 12 niveaux, 52 stations	1356 samples	MARCHAL Emile
H24	Nitrate	1356 samples	MARCHAL Emile
H25	Nitrite	1356 samples	MARCHAL Emile
H71	Surface measurements underway (T,S) thermosalinographe	-	MARCHAL Emile

Summary of measurements

Underway:
-Surface temperature and salinity.
-ADCP current measurements.
-Acoustic detection.
At stations:
-In situ temperature, salinity, fluorimetry 0-250 m (CTD); water samples, analyses of PO4, NO2, NO3+NO2 (12 levels); light penetration and natural fluorescence (PNF).
-Primary production: LETGO; phytoplankton pigment measurements; zooplankton sampled with different nets (WP2, hyponeuston); samples taken to study larva (BONGO net).
-Mesopelagic fish sampled using pelagic trawl.

Location map

Data managed by SISMER

Bibliography

Publications

Vauclair F, Du Penhoat Y (2001). Interannual variability of the upper layer of the tropical Atlantic Ocean from in situ data between 1979 and 1999. Climate Dynamics, 17(7), 527-546. https://doi.org/10.1007/s003820000125

Lebourges-Dhaussy A, Marchal E, Menkes C, Champalbert G, Biessy B (2000). Vinciguerria nimbaria (micronekton), environment and tuna: their relationships in the Eastern Tropical Atlantic. Oceanologica Acta, 23(4), 515-528. https://doi.org/10.1016/S0399-1784(00)00137-7