HYDROAMSTERDAM

Name: HYDROAMSTERDAM
Start: 1984-02-24
End: 1984-03-30
Location: Indian Ocean

Type	Oceanographic cruise
Ship	Jean Charcot
Ship owner	Ifremer
Dates	24/02/1984 - 30/03/1984
Chief scientist(s)	BEUZART Paul
	GEO-OCEAN - UMR 6538 Univ. Brest, CNRS, Ifremer, Univ. Bretagne Sud Place Nicolas Copernic 29280 Plouzané https://www.geo-ocean.fr/
DOI	10.17600/84000111
Objective	Recognition of the morphology, hydrothermal activity and magmatic activity of the East Indian Ridge.

Sea/Ocean

Indian Ocean

(OCEAN INDIEN)

Ports

Port of departure : Saint-Denis (Réunion)

Port of return : Saint-Denis (Réunion)

Scientific Authority

GÉOSCIENCES MARINES

Centre Ifremer Bretagne

ZI Pointe du Diable

29280 Plouzané

+33(0)2 98.22.42.24

Participating bodie(s)

IFREMER CENTRE DE BREST

Discipline(s)

PHYSICAL OCEANOGRAPHY
MARINE GEOSCIENCES

Code	Label	Quantity	PI
G01	Dredge	-	BEUZART Paul
G08	Bottom photography	-	BEUZART Paul
G27	Gravity measurements	6100	BEUZART Paul
G28	Magnetic measurements	6100	BEUZART Paul
G73	Single-beam echosounding	-	BEUZART Paul
G74	Multi-beam echosounding	6100	BEUZART Paul
G75	Single channel seismic reflection sismique + sondeur 3.5 kHz	-	BEUZART Paul
H21	Oxygen	100 stations	BEUZART Paul
H30	Trace elements	100 stations	BEUZART Paul
H33	Other dissolved gases	100 stations	BEUZART Paul

Summary of measurements

-Bathymetry Sea Beam, magnetism, gravimetry, seismic reflection, 3.5 KHz sounder.
-10 dredges (rock dredges).
-Underwater photography (7 spot cameras).

Location map

Positionning system

Geodetic system : WORLD GEODETIC SYSTEM 1972 = WGS72

Positioning system : SATELLITE

Sampling operations

Name	Dive	Equipement	Date	Location	Depth(m)
HYA-DR01	-	Drague à roche (TYPE NON PRECISE)	19840310 03:07:0010/03/1984 03:07:00	40° 20.987' S 78° 38.891' E	3191
HYA-DR02	-	Drague à roche (TYPE NON PRECISE)	19840311 07:20:0011/03/1984 07:20:00	39° 40.803' S 78° 28.668' E	2450
HYA-DR03	-	Drague à roche (TYPE NON PRECISE)	19840312 09:49:0012/03/1984 09:49:00	37° 31.307' S 78° 25.479' E	1755
HYA-DR04	-	Drague à roche (TYPE NON PRECISE)	19840315 13:20:0015/03/1984 13:20:00	34° 54.618' S 78° 39.937' E	3100
HYA-DR05	-	Drague à roche (TYPE NON PRECISE)	19840316 20:52:0016/03/1984 20:52:00	34° 57.705' S 78° 33.073' E	2985
HYA-DR06	-	Drague à roche (TYPE NON PRECISE)	19840317 06:40:0017/03/1984 06:40:00	32° 30.840' S 77° 25.800' E	3040
HYA-DR07	-	Drague à roche (TYPE NON PRECISE)	19840319 08:41:0019/03/1984 08:41:00	31° 15.482' S 76° 30.287' E	3050
HYA-DR08	-	Drague à roche (TYPE NON PRECISE)	19840320 06:23:0020/03/1984 06:23:00	31° 30.324' S 76° 35.206' E	3329
HYA-DR09	-	Drague à roche (TYPE NON PRECISE)	19840321 07:20:0021/03/1984 07:20:00	30° 20.426' S 75° 45.255' E	3183
HYA-DR10	-	Drague à roche (TYPE NON PRECISE)	19840322 05:46:0022/03/1984 05:46:00	28° 54.112' S 74° 40.378' E	3120
HYA-SP-1	-	PRELEVEUR FAUNE/SEDIMENT (TYPE NON PRECISE)	19840308 00:00:0008/03/1984 00:00:00	38° 43.100' S 77° 30.200' E	-
HYA-SP-2	-	PRELEVEUR FAUNE/SEDIMENT (TYPE NON PRECISE)	19840308 00:00:0008/03/1984 00:00:00	38° 43.100' S 77° 30.200' E	-
HYA-SP-3	-	PRELEVEUR FAUNE/SEDIMENT (TYPE NON PRECISE)	19840308 00:00:0008/03/1984 00:00:00	38° 43.100' S 77° 30.200' E	-
HYA-SP-4	-	PRELEVEUR FAUNE/SEDIMENT (TYPE NON PRECISE)	19840308 00:00:0008/03/1984 00:00:00	38° 43.100' S 77° 30.200' E	-
HYA-SP-5	-	PRELEVEUR FAUNE/SEDIMENT (TYPE NON PRECISE)	19840308 00:00:0008/03/1984 00:00:00	38° 43.000' S 77° 30.100' E	-
HYA-SP-6	-	PRELEVEUR FAUNE/SEDIMENT (TYPE NON PRECISE)	19840308 00:00:0008/03/1984 00:00:00	38° 42.800' S 77° 30.000' E	-
HYA-SP-7	-	PRELEVEUR FAUNE/SEDIMENT (TYPE NON PRECISE)	19840308 00:00:0008/03/1984 00:00:00	38° 43.000' S 77° 30.000' E	-
HYA-SP-8	-	PRELEVEUR FAUNE/SEDIMENT (TYPE NON PRECISE)	19840308 00:00:0008/03/1984 00:00:00	38° 42.700' S 77° 30.000' E	-
HYA-SP-8A	-	PRELEVEUR FAUNE/SEDIMENT (TYPE NON PRECISE)	19840308 00:00:0008/03/1984 00:00:00	38° 42.420' S 77° 29.480' E	-
HYA-SP-9	-	PRELEVEUR FAUNE/SEDIMENT (TYPE NON PRECISE)	19840308 00:00:0008/03/1984 00:00:00	38° 43.000' S 77° 30.000' E	-

Bibliography

Publications

Kumar Pankaj, Singha Pabitra, Ghosal Dibakar, Jacob Jensen, Gupta Sandeep (2023). Lithospheric architecture beneath the Amsterdam-St. Paul plateau, Southern Indian Ocean using the integrated gravity, magnetic and seismological study. Tectonophysics, 863, 229989 (13p.). Publisher's official version : https://doi.org/10.1016/j.tecto.2023.229989 , Open Access version : https://archimer.ifremer.fr/doc/00847/95889/

References of Articles published in other Periodicals or Scientific Works acclaimed in the Field

Beuzart P, Cambon P, Caprais M P, Dosso L, Douchement C, Etoubleau J, Floc'h G, Hebert R, Maze J P (1990). Campagne Hydroamsterdam: Etude de la dorsale sud-est de l'ocean Indien (SEIR). Oceanologica Acta, Special issue Open Access version : https://archimer.ifremer.fr/doc/00268/37948/

References of Technical Reports

Dyment Jérôme, Lallier François, Le Bris Nadine, Rouxel Olivier , Sarradin Pierre-Marie , Lamare Sylvain, Coumert Coralie, Morineaux Marie, Tourolle Julie (2014). Les impacts environnementaux de l’exploitation des ressources minérales marines profondes. Expertise scientifique collective. Rapport, CNRS – Ifremer, 937 p. https://archimer.ifremer.fr/doc/00872/98434/

(1984) Compte-rendu de Campagne. HYDROAMSTERDAM.

(1984) Hydroamsterdam. 24 février-29 mars 1984.

French Oceanographic Cruises

HYDROAMSTERDAM

Data managed by SISMER

Sampling operations

Bibliography