Cruise inventory

RRS Challenger

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Challenger (74CH)
Cruise period1974-02-07 — 1974-03-23
StatusCompleted
Objectives(RRS John Murray was also used as a platform during this exercise)
Chief scientistNorman S Heaps (Institute of Oceanographic Sciences Bidston Laboratory)
Ocean/sea areas 
GeneralIrish Sea and St. George's Channel
Bristol Channel
Measurements 
Physical oceanography 
Surface measurements underway (T,S)Quantity: track kilometres = 2222
CTD stationsQuantity: number of stations = 14
Sea level (inc. bot. press., inverted echosounder)Quantity: activity duration in days = 32
Other physical oceanographic measurementsQuantity: number of profiles = 14
Description: sound velocity stations
Other physical oceanographic measurementsQuantity: activity duration in days = 59
Description: cable measurements of total flow
Moorings, landers, buoys 
Physical oceanography 
Current meters53° 0' 59" N  5° 12' 0" W — Position B
Current meters52° 15' 59" N  5° 34' 59" W — Position D
Current meters52° 8' 59" N  5° 10' 59" W — Position E
Current meters53° 45' 59" N  3° 42' 59" W — Position A
Current meters52° 23' 59" N  6° 0' 0" W — Position C
Current meters52° 4' 59" N  5° 45' 59" W — Position J