Cruise inventory

RRS Challenger CH96

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Challenger (74CH)
Cruise identifierCH96
Cruise period1992-09-01 — 1992-09-21
StatusCompleted
Port of departureSouthampton, United Kingdom
Port of returnBarry, United Kingdom
PurposeResearch
ObjectivesStudy of Rhine outflow ROFI (Region of Freshwater Influence)
Chief scientistJohn H Simpson (University of Wales, Bangor School of Ocean Sciences)
ProjectMAST 50 PROFILE (EC)
Coordinating bodyPOL
Ocean/sea areas 
GeneralNorth Sea
SpecificNorth Sea near to Netherlands coast, Rhine outflow
Track chartsRRS Challenger CH96 cruise track — trk3748.html RRS Challenger CH96 cruise track — trk3748b.html
Measurements 
Physical oceanography 
CTD stationsQuantity: number of profiles = 170
Description: plus Searover, undulating CTD. 120h at 7 knots
Transparency (eg transmissometer)Quantity: number of profiles = 170
Description: Profiles of transmittance and along track data, and calibration samples
Transparency (eg transmissometer)Quantity: track kilometres = 3600
Description: SeaRover with transmissometer
Current metersQuantity: number of stations = 5
Description: 19 cms
Current profiler (eg ADCP)Description: Shipboard ADCP, continuous observations of velocity relative to bottom
Chemical oceanography 
NitrateQuantity: number of profiles = 100
Description: from discrete samples
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: track kilometres = 3600
Description: SeaRover with fluorometer
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of profiles = 170
Description: Profiles of chlorophyll fluorescence and alongtrack data,+ calibration samples
Geology and geophysics 
Other geological/geophysical measurementsQuantity: number of experiments = 17
Description: (spectra) settling velocities of particles for samples in settling vel. tubes
Other geological/geophysical measurementsQuantity: number of samples = 120
Description: Particle size spectra determined by laser scattering
Moorings, landers, buoys 
Physical oceanography 
Transparency (eg transmissometer)52° 16' 47" N  4° 4' 30" E — 2 transmissometers
Transparency (eg transmissometer)52° 17' 30" N  4° 12' 0" E — 2 transmissometers, 1 fluorometer
Transparency (eg transmissometer)53° 13' 0" N  4° 13' 48" E — 2 transmissometers
Current meters52° 18' 36" N  4° 19' 17" E — Mooring D: as mooring B, but only 1 transmissometer, water depth 19m
Current meters52° 17' 30" N  4° 12' 0" E — Mooring E: 3 current meters, 1 temperature/salinity logger
Current meters52° 16' 47" N  4° 4' 30" E — Mooring B: 4 current meters, 1 temperature/salinity logger, water depth 20m
Current meters52° 13' 0" N  4° 13' 48" E — Mooring A: 4 current meters, 1 temperature/salinity logger, water depth 20m
Current meters52° 22' 0" N  4° 10' 0" E — Mooring C: 4 current meters, 1 temperature/salinity logger, water depth 18m
Current profiler (eg ADCP)52° 16' 47" N  4° 4' 30" E — 1 bottom mounted ADCP
Current profiler (eg ADCP)52° 13' 0" N  4° 13' 48" E — 1 bottom mounted ADCP
Current profiler (eg ADCP)52° 22' 0" N  4° 10' 0" E — 1 bottom mounted ADCP
Sea level (inc. bot. press., inverted echosounder)52° 13' 0" N  4° 13' 48" E — 1 bottom pressure recorder
Sea level (inc. bot. press., inverted echosounder)52° 16' 47" N  4° 4' 30" E — 1 bottom mounted ADCP
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)52° 13' 0" N  4° 13' 48" E — 1 fluorometer
Meteorology 
Routine standard measurements52° 17' 30" N  4° 12' 0" E — Met. instruments: wind sp/dir, air temp, pressure, solar irrad., waverider buoy