RRS Challenger CH13/81

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Challenger (74CH)
Cruise identifierCH13/81
Cruise period1981-08-25 — 1981-09-09
Port of departureDunstaffnage, United Kingdom
Port of returnBarry, United Kingdom
Chief scientistBob Williams (Institute of Marine Environmental Research, Plymouth)
Ocean/sea areas 
GeneralIrish Sea and St. George's Channel
North East Atlantic Ocean (limit 40W)
SpecificNorth Atlantic Celtic Sea
Track chartsRRS Challenger CH13/81 cruise track — trk2616.html
Physical oceanography 
Surface measurements underway (T,S)
BathythermographQuantity: number of profiles = 12
CTD stationsQuantity: number of stations = 13
Suspended matterQuantity: number of stations = 13
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of stations = 13
Particulate organic matter (inc POC, PON)Quantity: number of stations = 13
PhytoplanktonQuantity: number of stations = 13
ZooplanktonQuantity: number of samples = 30
Description: survey:distribution,biomass determination,population structures
SestonQuantity: number of stations = 13