PROPPAC 2

Name: PROPPAC 2
Start: 1988-03-27
End: 1988-04-27
Location: Southwest Pacific Ocean (140W)

Type	Oceanographic cruise
Ship	Coriolis
Ship owner	Ifremer
Dates	27/03/1988 - 27/04/1988
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	10.17600/88001211
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	-	LE BORGNE Robert
B02	Phytoplankton pigments (eg chloroph Chlorophylle A	49 stations	LE BORGNE Robert
B08	Phytoplankton	8	LE BORGNE Robert
B71	Particulate organic matter (inc POC	10	LE BORGNE Robert
D71	Current profiler (eg ADCP)	27 stations	LE BORGNE Robert
H09	Water bottle stations	49 stations	LE BORGNE Robert
H10	CTD stations	27 stations	LE BORGNE Robert
H21	Oxygen	39 stations	LE BORGNE Robert
H22	Phosphate	49 stations	LE BORGNE Robert
H24	Nitrate	49 stations	LE BORGNE Robert
H25	Nitrite	49 stations	LE BORGNE Robert
H72	Thermistor chain	49 deployments	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 1,000 m.
-27 current profiles from 0 to 600 m.
-8 days of thermistor chains (60 to 160 m).
-49 series of rosette samples to analyse dissolved substances (nitrate, phosphate, oxygen, total N and P) or particulate substances (C, N, P, pigments).
-Measuring primary production, ATP; samples for epifluorescence microscope.
-69 WP2 plankton net hauls; 55 hauls with 35 plankton net.
-8 series of measurements of primary and secondary production.
-10 light profiles.
-8 series of samples taken at 9 levels with 2 associated 30L Niskin bottles.
-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

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/