PROPPAC 3

Name: PROPPAC 3
Start: 1988-09-11
End: 1988-10-11
Location: Southwest Pacific Ocean (140W)

Type	Oceanographic cruise
Ship	Coriolis
Ship owner	Ifremer
Dates	11/09/1988 - 11/10/1988
Chief scientist(s)	LE BORGNE Robert
	IRD CENTRE DE NOUMEA 101 promenade Roger Laroque BP A5 98848 NOUMEA CEDEX (+687) 26 10 00 nouvelle-caledonie@ird.fr https://nouvelle-caledonie.ird.fr/
DOI	10.17600/88002811
Objective	Studying the relationship linking plankton production and hydrology. Short-term variability in production and hydrology parameters. Vertical distribution, structure of the pelagic food web in typical situations chosen following a succinct description of the zone (20S ¿ 6N, 165E).

Sea/Ocean

Southwest Pacific Ocean (140W)

(MER DE CORAIL)

Ports

Port of departure : Noumea (New Caledonia)

Port of return : Noumea (New Caledonia)

Scientific Authority

IRD CENTRE DE NOUMEA

101 promenade Roger Laroque

BP A5

98848 NOUMEA CEDEX

(+687) 26 10 00

nouvelle-caledonie@ird.fr

https://nouvelle-caledonie.ird.fr/

Participating bodie(s)

ORSTOM

Discipline(s)

CHEMICAL OCEANOGRAPHY
METEOROLOGY
PHYSICAL OCEANOGRAPHY
BIOLOGICAL OCEANOGRAPHY

Code	Label	Quantity	PI
B01	Primary productivity	8 stations	LE BORGNE Robert
B02	Phytoplankton pigments (eg chloroph Chlorophylle A	47 stations	LE BORGNE Robert
B08	Phytoplankton	31	LE BORGNE Robert
B71	Particulate organic matter (inc POC Carbone et Azote particulaire	7	LE BORGNE Robert
D71	Current profiler (eg ADCP)	24 stations	LE BORGNE Robert
H09	Water bottle stations	55 stations	LE BORGNE Robert
H10	CTD stations	24 stations	LE BORGNE Robert
H13	Bathythermograph	46 profiles	LE BORGNE Robert
H21	Oxygen	55 stations	LE BORGNE Robert
H22	Phosphate	48 stations	LE BORGNE Robert
H24	Nitrate	48 stations	LE BORGNE Robert
H25	Nitrite	48 stations	LE BORGNE Robert
M06	Routine standard measurements Toutes les 3 heures	-	LE BORGNE Robert

Summary of measurements

-27 hydrological stations with Seabird CTDO from 0 to 1000 m.
-27 current profiles from 0 to 600 m; 8 days of thermistor chains (147-192 m).
-27 series of rosette samples (nitrate, phosphate, oxygen, total N and P), (C, N, P, pigments).
-84 WP2 plankton net hauls; 54 hauls with 35 plankton net.
-8 series of measurements of primary and secondary production.
-12 series of samples taken at 9 levels with 2 associated 30L Niskin bottles.
-9 light profiles.
-46 XBT series, logging temperature, salinity and chlorophyll at surface.
-Meteorology recorded every 3 hours.

Location map

Positionning system

Geodetic system : VALEUR INDEFINIE

Data managed by SISMER

Bibliography

Publications

Le Borgne Robert, Barber Rt, Delcroix Thierry, Inoue Hy, Mackey Dj, Rodier M (2002). Pacific warm pool and divergence: temporal and zonal variations on the equator and their effects on the biological pump. Deep-sea Research Part Ii-topical Studies In Oceanography, 49(13-14), 2471-2512. https://doi.org/10.1016/S0967-0645(02)00045-0

Delcroix T, Picaut J (1998). Zonal displacement of the western equatorial Pacific "fresh pool". Journal Of Geophysical Research-oceans, 103(C1), 1087-1098. https://doi.org/10.1029/97JC01912

Le Borgne R, Rodier M (1997). Net zooplankton and the biological pump: a comparison between the oligotrophic and mesotrophic equatorial Pacific. Deep-sea Research Part Ii-topical Studies In Oceanography, 44(9-10), 2003-2023. https://doi.org/10.1016/S0967-0645(97)00034-9

Gouriou Yves, Toole J (1993). Mean circulation of the upper layers of the western equatorial Pacific Ocean. Journal Of Geophysical Research-oceans, 98(C12), 22495-22520. Publisher's official version : https://doi.org/10.1029/93JC02513 , Open Access version : https://archimer.ifremer.fr/doc/00192/30346/