SEABED I CH117

Name: SEABED I CH117
Start: 1980-10-10
End: 1980-11-01
Location: Northeast Atlantic Ocean (40W)

Type	Oceanographic cruise
Ship	Jean Charcot
Ship owner	Ifremer
Dates	10/10/1980 - 01/11/1980
Chief scientist(s)	LE SUAVE Raymond
	GEO-OCEAN - UMR 6538 Univ. Brest, CNRS, Ifremer, Univ. Bretagne Sud Place Nicolas Copernic 29280 Plouzané https://www.geo-ocean.fr/
DOI	10.17600/80003611
Objective	Study of the impact of the burial of high-level radioactive waste on the seabed. Acquisition of benthic biology data in deep basins. Contract CEA TMC/14575 (co-financed by CEA-CNEXO).

Sea/Ocean

Northeast Atlantic Ocean (40W)

(ATLANTIQUE NORD EST)

Ports

Port of departure : Fort-de-France (Martinique)

Port of return : Las Palmas (Spain)

Scientific Authority

GÉOSCIENCES MARINES

Centre Ifremer Bretagne

ZI Pointe du Diable

29280 Plouzané

+33(0)2 98.22.42.24

Participating bodie(s)

CENTRE OCEANOLOGIQUE DE BRETAGNE BREST

Discipline(s)

MARINE GEOSCIENCES
PHYSICAL OCEANOGRAPHY

Code	Label	Quantity	PI
B16	Benthic bacteria/micro-organisms	-	LE SUAVE Raymond
B18	Zoobenthos	-	LE SUAVE Raymond
B65	Exploratory fishing	-	LE SUAVE Raymond
B71	Particulate organic matter (inc POC	-	LE SUAVE Raymond
B73	Sediment traps	-	LE SUAVE Raymond
D01	Current meters	5 deployments	LE SUAVE Raymond
D90	Other physical oceanographic meas. Mesures isolees de temperature et salinite au fond	-	LE SUAVE Raymond
G04	Core soft bottom	-	LE SUAVE Raymond
G08	Bottom photography	-	LE SUAVE Raymond
G28	Magnetic measurements 2700 milles	-	LE SUAVE Raymond
G74	Multi-beam echosounding 2300 milles	-	LE SUAVE Raymond
G75	Single channel seismic reflection sondeur 3.5 kHz	-	LE SUAVE Raymond
H10	CTD stations	4 stations	LE SUAVE Raymond
H21	Oxygen	-	LE SUAVE Raymond
H24	Nitrate	-	LE SUAVE Raymond
H25	Nitrite	-	LE SUAVE Raymond
H26	Silicate	-	LE SUAVE Raymond
H28	pH	-	LE SUAVE Raymond

Summary of measurements

-Shots by RAIE system (3 lines of 4 hours, at 3 m from the bottom).
-5 beam trawl hauls.
-12 core samples (6 per station): microfauna, macrofauna, bacteriology, biochemical analyses.
-Autonomous baited traps (9 moorings).
-Sediment trap (G-Rowe model): 1 mooring of 26 days.
-Hydrology: CTD.
-Bathymetric recording Seabeam and bottom penetrator 3.5 kHz.
-Magnetometry.

Location map

Positionning system

Geodetic system : WORLD GEODETIC SYSTEM 1972 = WGS72

Positioning system : SATELLITE

Sampling operations

Name	Dive	Equipement	Date	Location	Depth(m)
KA01	-	Carottier boite ADDIE-EWING-TAAF	19801014 00:00:0014/10/1980 00:00:00	19° 21.320' N 29° 39.910' W	-
KA02	-	Carottier boite ADDIE-EWING-TAAF	19801015 00:00:0015/10/1980 00:00:00	19° 16.000' N 29° 47.400' W	-
KA03	-	Carottier boite ADDIE-EWING-TAAF	19801021 00:00:0021/10/1980 00:00:00	24° 48.510' N 25° 0.530' W	-
KA04	-	Carottier boite ADDIE-EWING-TAAF	19801027 00:00:0027/10/1980 00:00:00	24° 53.280' N 25° 7.070' W	-
KG33	-	Carottier boite ADDIE-EWING-TAAF	19801027 00:00:0027/10/1980 00:00:00	24° 51.840' N 24° 59.120' W	-
KS01	-	Carottier KULLENBERG	19801010 00:00:0010/10/1980 00:00:00	19° 11.240' N 29° 54.090' W	-
KS02	-	Carottier KULLENBERG	19801011 00:00:0011/10/1980 00:00:00	19° 21.510' N 29° 39.160' W	-
KS03	-	Carottier KULLENBERG	19801012 00:00:0012/10/1980 00:00:00	19° 14.590' N 29° 46.690' W	-
KS04	-	Carottier KULLENBERG	19801013 00:00:0013/10/1980 00:00:00	19° 11.860' N 29° 47.940' W	-
KS05	-	Carottier KULLENBERG	19801016 00:00:0016/10/1980 00:00:00	19° 26.350' N 29° 52.740' W	-
KS06	-	Carottier KULLENBERG	19801017 00:00:0017/10/1980 00:00:00	19° 25.820' N 29° 44.940' W	-
KS07	-	Carottier KULLENBERG	19801018 00:00:0018/10/1980 00:00:00	24° 49.490' N 25° 2.560' W	-
KS08	-	Carottier KULLENBERG	19801019 00:00:0019/10/1980 00:00:00	24° 46.220' N 24° 59.220' W	-
KS09	-	Carottier KULLENBERG	19801020 00:00:0020/10/1980 00:00:00	24° 44.240' N 24° 59.720' W	-
KS10	-	Carottier KULLENBERG	19801022 00:00:0022/10/1980 00:00:00	24° 45.730' N 25° 8.250' W	-
KS11	-	Carottier KULLENBERG	19801023 00:00:0023/10/1980 00:00:00	24° 46.050' N 25° 9.780' W	-
KS12	-	Carottier KULLENBERG	19801024 00:00:0024/10/1980 00:00:00	24° 47.240' N 25° 7.120' W	-
KS13	-	Carottier KULLENBERG	19801025 00:00:0025/10/1980 00:00:00	24° 49.030' N 25° 6.060' W	-
KS14	-	Carottier KULLENBERG	19801026 00:00:0026/10/1980 00:00:00	24° 53.220' N 25° 7.660' W	-

Bibliography

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

Khripounoff Alexis , Rowe Gilbert T (1985). Les apports organiques et leur transformation en milieu abyssal à l'interface eau-sédiment dans l'Océan Atlantique tropical. Oceanologica Acta, 8(3), 293-301. Open Access version : https://archimer.ifremer.fr/doc/00112/22318/

References of Technical Reports

CNEXO (1980). Compte-rendu de Campagne. SEABED 1.

File	Processing level	Size	Format
Open access FI35198000361_02020_D01.txt	DATA CONTROLLED WITH SCOOP	337 KB	MEDATLAS, ODV or NC
Open access FI35198000361_03010_D01.txt	DATA CONTROLLED WITH SCOOP	358 KB	MEDATLAS, ODV or NC
Open access FI35198000361_03020_D01.txt	DATA CONTROLLED WITH SCOOP	324 KB	MEDATLAS, ODV or NC
Open access FI35198000361_01000_D01.txt	DATA CONTROLLED WITH SCOOP	191 KB	MEDATLAS, ODV or NC
Open access FI35198000361_02010_D01.txt	DATA CONTROLLED WITH SCOOP	373 KB	MEDATLAS, ODV or NC

French Oceanographic Cruises

SEABED I CH117

Data managed by SISMER

Sampling operations

Bibliography