Cruise inventory

RRS Charles Darwin CD89

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Charles Darwin (74AB)
Cruise identifierCD89
Cruise period1994-08-19 — 1994-09-13
StatusCompleted
Port of departurePonta Delgada, Portugal
Port of returnPonta Delgada, Portugal
ObjectivesGeological and geophysical controls upon the nature of hydrothermal venting on the Mid-Atlantic Ridge. (HEAT)
Chief scientistChristopher R German (Institute of Oceanographic Sciences Deacon Laboratory)
ProjectMARFLUX/AJT; BRIDGE
Coordinating bodyEC-MAST II; UK NERC
Cruise reportRRS Charles Darwin CD89 cruise report cd89.pdf — access key 'C' (1.69 MB) 
Ocean/sea areas 
GeneralNorth Atlantic Ocean
SpecificMid-Atlantic ridge, S. of Azores triple junction, 36-39N,30-34W
Track chartsRRS Charles Darwin CD89 cruise track — trk4005.html
Measurements 
Physical oceanography 
BathythermographQuantity: number of profiles = 31
Description: T-05 and T-07 XBT probes
Water bottle stationsQuantity: number of profiles = 12
Description: CTD rosette
CTD stationsQuantity: number of profiles = 12
Description: Neil Brown MK III Chelsea MK II nephelometer & Sea Tech transmissometer
Subsurface temperature and salinity measurementsQuantity: number of deployments = 7
Description: Dynamic Hydrocast water sampling system with CTD. Samples analysed for 3He, Mn, methane and Si.
Subsurface temperature and salinity measurementsQuantity: number of deployments = 10
Description: OSU ZAPS sled with CTD, transmissometer, nephelometer, Mn sensor and water bottles.
Transparency (eg transmissometer)Quantity: number of deployments = 10
Description: OSU ZAPS sled with CTD, transmissometer, nephelometer, Mn sensor and water bottles.
Chemical oceanography 
Other dissolved gasesQuantity: number of profiles = 6
Description: CTD rosette samples analysed for 3He, Mn, methane and Si.
Other dissolved gasesQuantity: number of deployments = 7
Description: Dynamic Hydrocast water sampling system with CTD. Samples analysed for 3He, Mn, methane and Si.
SilicateQuantity: number of deployments = 7
Description: Dynamic Hydrocast water sampling system with CTD. Samples analysed for 3He, Mn, methane and Si.
SilicateQuantity: number of profiles = 6
Description: CTD rosette samples analysed for 3He, Mn, methane and Si.
Trace elementsQuantity: number of deployments = 7
Description: Dynamic Hydrocast water sampling system with CTD. Samples analysed for 3He, Mn, methane and Si.
Trace elementsQuantity: number of profiles = 6
Description: CTD rosette samples analysed for 3He, Mn, methane and Si.
Trace elementsQuantity: number of profiles = 5
Description: 4 stand alone pumps for in-situ filtration of for large volume plume samples on each deployment.
IsotopesQuantity: number of deployments = 7
Description: Dynamic Hydrocast water sampling system with CTD. Samples analysed for 3He, Mn, methane and Si.
IsotopesQuantity: number of profiles = 6
Description: CTD rosette samples analysed for 3He, Mn, methane and Si.
Other chemical oceanographic measurementsQuantity: number of deployments = 10
Description: OSU ZAPS sled with CTD, transmissometer, nephelometer, Mn sensor and water bottles.
Contamination 
Suspended matterQuantity: number of profiles = 5
Description: 4 stand alone pumps for in-situ filtration of for large volume plume samples on each deployment.
Biology and fisheries 
Pelagic bacteria/micro-organismsQuantity: number of profiles = 5
Description: 4 stand alone pumps for in-situ filtration of for large volume plume samples on each deployment.
Pelagic bacteria/micro-organismsQuantity: number of profiles = 5
Description: Samples from CTD rosette for total bacterial counts, EM, EDAX, DNA extraction
Benthic bacteria/micro-organismsQuantity: number of profiles = 5
Description: 4 stand alone pumps for in-situ filtration of for large volume plume samples on each deployment.
Geology and geophysics 
Core - soft bottomQuantity: number of cores = 1
Description: 1m gravity core in mid-ocean ridge fracture zone sediment (carbonate ooze)
Long/short range side scan sonarQuantity: number of deployments = 5
Description: TOBI tows each between 16.5 hours and 72 hours (total approximately 9 days).
Data held at BODC 
Series/Profiles 
12  CTD/STD cast
Vertical spatial coordinates
Salinity of the water column
Temperature of the water column
Vertical spatial coordinates
Salinity of the water column
Temperature of the water column

BODC idDate/TimeLocationDoc.
4745621994-09-05 13:33 37° 17' 12" N  32° 16' 29" W  View metadata report for BODC series reference number 474562
4745741994-09-05 15:11 37° 17' 30" N  32° 16' 41" W  View metadata report for BODC series reference number 474574
4745861994-09-06 00:20 37° 2' 59" N  32° 31' 41" W  View metadata report for BODC series reference number 474586
4745981994-09-06 03:30 37° 2' 42" N  32° 25' 0" W  View metadata report for BODC series reference number 474598
4746051994-09-06 22:56 37° 2' 59" N  32° 24' 42" W  View metadata report for BODC series reference number 474605
4746171994-09-09 04:10 36° 16' 23" N  33° 45' 35" W  View metadata report for BODC series reference number 474617
4746291994-09-09 07:04 36° 14' 41" N  33° 50' 17" W  View metadata report for BODC series reference number 474629
4746301994-09-11 05:45 36° 16' 0" N  33° 51' 24" W  View metadata report for BODC series reference number 474630
4745251994-08-23 16:01 36° 40' 23" N  33° 19' 0" W  View metadata report for BODC series reference number 474525
4745371994-08-24 05:02 36° 38' 5" N  33° 20' 30" W  View metadata report for BODC series reference number 474537
4745491994-09-04 11:36 37° 41' 6" N  31° 31' 48" W  View metadata report for BODC series reference number 474549
4745501994-09-04 13:42 37° 50' 24" N  31° 31' 23" W  View metadata report for BODC series reference number 474550