RRS John Murray

Cruise plan

Cruise Info.
Ship name (ship code)	RRS John Murray (74MJ)
Status	Completed
Purpose	Research
Objectives	JONSDAP '73
Chief scientist	Geoffrey W Lennon (National Oceanography Centre, Liverpool)
Ocean/sea areas
General	North Sea
Measurements
Physical oceanography
Surface measurements underway (T,S)	Quantity: number of stations = 1500 Description: S only
Water bottle stations	Quantity: number of stations = 1500 Description: T only
CTD stations	Quantity: number of stations = 131
Subsurface temperature measurements	Quantity: 126 Description: cable measurements (total flow)
Current meters	Quantity: 6 Description: 53 days;direct recording for 25 hours
Sea level (inc. bot. press., inverted echosounder)	Quantity: number of surveys = 3 Description: 3 series of measurements of 46 days duration each
Other physical oceanographic measurements	Quantity: number of profiles = 131 Description: sound velocity stations