Resources

RRS Challenger CH124

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Challenger (74CH)
Cruise identifierCH124
Cruise period1996-01-08 — 1996-01-27
StatusCompleted
Port of departureGreenock, United Kingdom
Port of returnArdrossan, United Kingdom
PurposeResearch
Objectives1. To work a series of stations around the Clyde Sea.
2. To service the DML/SES (Shelf Edge Study) current mooring Y in the Tiree Passage.
3. To work the Anton Dohrn - Rockall Seamount CTD/nutrient/chlorophyll section (Ellett Line).
4. To work CTD and water sampling stations in the SES area lines N and S.
5. To service and check SES moorings from the shelf and slope region.
6. To obtain multi-cores and gravity cores at SES stations and over the continental shelf.
Chief scientistAnton Edwards (Dunstaffnage Marine Laboratory)
ProjectWOCE/LOIS-SES
Coordinating bodyWOCE International Project Office/NERC
Cruise reportRRS Challenger CH124 cruise report ch124_96.pdf (0.44 MB) 
Ocean/sea areas 
GeneralInner Seas off the West Coast of Scotland
North East Atlantic Ocean (limit 40W)
SpecificNE Atlantic, Rockall Trough, Scottish Continental Shelf, Clyde
Track chartsRRS Challenger CH124 cruise track — trk4128.html
Measurements 
Physical oceanography 
CTD stationsQuantity: number of profiles = 77
Description: vertical profiles
Current metersQuantity: number of stations = 1
Description: 2 current-meter mooring recovered and redeployed
Chemical oceanography 
OxygenQuantity: number of profiles = 77
Description: vertical profiles
PhosphateQuantity: number of profiles = 34
NitrateQuantity: number of profiles = 34
AmmoniaQuantity: number of profiles = 34
SilicateQuantity: number of profiles = 34
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of profiles = 77
Description: vertical profiles
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of profiles = 34
Description: water bottle samples for chlorophyll
Dissolved organic matter (inc DOC)Quantity: number of profiles = 34
Description: water bottle samples
PhytoplanktonQuantity: number of profiles = 34
Description: water bottle samples
Geology and geophysics 
GrabQuantity: number of samples = 8
Description: Grab samples for surface sediment samples
Core - soft bottomQuantity: number of cores = 3
Description: multicorer sediment samples
Moorings, landers, buoys 
Physical oceanography 
Current meters56° 37' 0" N  6° 24' 0" W — Mooring serviced 19 Jan 1996, 2 Aanderaa CMs in 43m water
Data held at BODC Get data
Discrete samples 
77  CTD frame plus rosette samplerAmmonium and ammonia concentration parameters in water bodies
Density of the water column
Silicate concentration parameters in the water column
Salinity of the water column
Nitrate concentration parameters in the water column
Temperature of the water column
Phosphate concentration parameters in the water column
5  Day grabGeological sample radioactivity
1  Instrument mooring
3  MulticorerStable isotopes in sediment
Sediment water content, porosity and surface area
Other fluxes between the bed and the water column
Concentration of organic matter in sediments
Concentration of inorganic sulphur species in sediment