Cruise inventory

RRS Challenger CH80

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Challenger (74CH)
Cruise identifierCH80
Cruise period1991-06-06 — 1991-06-25
StatusCompleted
Port of departureBarry, United Kingdom
Port of returnPlymouth, United Kingdom
PurposeResearch
ObjectivesStudy of fish spawning area
Chief scientistIan Joint (Plymouth Marine Laboratory)
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
SpecificLittle Sole Bank
Track chartsRRS Challenger CH80 cruise track — trk3679.html
Measurements 
Physical oceanography 
CTD stationsQuantity: number of profiles = 150
Description: CTD with transmissometer, fluorometer and PAR.
Subsurface temperature and salinity measurementsQuantity: number of deployments = 17
Description: UOR tows
Transparency (eg transmissometer)Quantity: number of profiles = 150
Description: CTD with transmissometer, fluorometer and PAR.
Optics (eg underwater light levels)Quantity: number of profiles = 150
Description: CTD with transmissometer, fluorometer and PAR.
Current metersQuantity: number of deployments = 4
Description: 10 current meters on four moorings
Biology and fisheries 
Primary productivityQuantity: number of experiments = 10
Description: 24 hour in situ incubations of 14C productivity
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of profiles = 150
Description: CTD with transmissometer, fluorometer and PAR.
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of experiments = 10
Description: incubations
ZooplanktonQuantity: number of hauls = 68
Description: tows with high speed tow nets to sample zooplankton
ZooplanktonQuantity: number of deployments = 12
Description: Longhurst-Hardy plankton recorder
Eggs and larvaeQuantity: number of deployments = 17
Description: UOR tows with fluorescence sensors and collecting fish egg samples
Eggs and larvaeQuantity: number of deployments = 12
Description: Longhurst-Hardy plankton recorder.
Eggs and larvaeQuantity: number of hauls = 68
Description: tows with high speed tow nets to sample fish larvae
Moorings, landers, buoys 
Physical oceanography 
Subsurface temperature measurements48° 34' 59" N  9° 5' 59" W — Deployed thermistor chain on one year mooring
Current meters48° 38' 59" N  9° 16' 59" W — Deployed one year mooring with 2 current meters
Current meters48° 34' 59" N  9° 9' 0" W — Deployed one year mooring with 2 current meters
Current meters48° 8' 59" N  9° 41' 59" W — Deployed one year mooring with 4 current meters
Current meters48° 34' 0" N  9° 1' 59" W — Deployed one year mooring with 2 current meters
Surface drifters/drifting buoys43° 34' 0" N  9° 7' 59" W — Deployed 4 ARGOS buoys for 2 weeks
Meteorology 
Other meteorological measurements48° 34' 59" N  9° 5' 59" W — Deployed wind sensor on one year mooring with thermistor chain (above)
Data held at BODC 
Discrete samples 
101  CTD frame plus rosette samplerDensity of the water column
Visible waveband radiance and irradiance measurements in the water column
Transmittance and attenuance of the water column
Bacteria generic abundance in water bodies
Bacterial production in the water column
Chlorophyll pigment concentrations in water bodies
Primary production in the water column
Salinity of the water column
Temperature of the water column
Phaeopigment concentrations in the water column