Cruise inventory

RRS Challenger CH92

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Challenger (74CH)
Cruise identifierCH92
Cruise period1992-05-25 — 1992-06-10
StatusCompleted
Port of departurePlymouth, United Kingdom
Port of returnBarry, United Kingdom
PurposeResearch
ObjectivesThe main objective of the cruise, to determine hydro/biological conditions and the distribution of larval sardine (Sardina pilchardus) along the north and west coasts of Spain was completed successfully. No major gear or operational problems were encountered.
Chief scientistStephen H Coombs (Plymouth Marine Laboratory)
ProjectEC SARP PROJECT MA 1.96
Coordinating bodyAWI, Bremerhaven, Germany
Cruise reportRRS Challenger CH92 cruise report ch92_92.pdf — access key 'C' (0.69 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
SpecificN & W coasts of Spain, within 50nm of shore
Track chartsRRS Challenger CH92 cruise track — trk3745.html
Measurements 
Physical oceanography 
Surface measurements underway (T,S)Quantity: activity duration in days = 17
Description: continuous
Water bottle stationsQuantity: number of profiles = 80
Description: profiles of particle size spectra at several depths
CTD stationsQuantity: number of profiles = 113
Subsurface temperature and salinity measurementsQuantity: number of deployments = 13
Description: undulator tows 0-50m depth for temperature, conductivity (salinity)
Transparency (eg transmissometer)Quantity: number of profiles = 113
Description: Transmissometer attached to CTD
Optics (eg underwater light levels)Quantity: number of profiles = 113
Description: Irradiance meter attached to CTD
Chemical oceanography 
pHQuantity: number of profiles = 113
Description: pH meter attached to CTD
Contamination 
Petroleum residuesQuantity: number of samples = 2
Description: Plankton samples taken for pollution studies
Chlorinated hydrocarbonsQuantity: number of samples = 2
Description: Plankton samples taken for pollution studies
Contaminants in organismsQuantity: number of samples = 2
Description: Plankton samples taken for pollution studies
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of profiles = 113
Description: Fluorometer (for chlorophyll) attached to CTD
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of deployments = 13
Description: undulator tows with fluorometer for fluorescence (chlorophyll a)
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: activity duration in days = 17
Description: continuous underway measurements of fluorescence (for chlorophyll a)
ZooplanktonQuantity: number of hauls = 90
Description: Bongo net stations for 200micron and 53micron plankton samples
ZooplanktonQuantity: number of hauls = 7
Description: Vertically stratified plankton sampling stations, 200 and 53micron net systems
Eggs and larvaeQuantity: number of hauls = 7
Eggs and larvaeQuantity: number of hauls = 90
Description: Bongo net stations
Other biological/fisheries measurementQuantity: number of profiles = 80
Description: profiles of particle size spectra at several depths