Resources

RRS John Murray JM7/71

Cruise plan

Cruise Info. 
Ship name (ship code)RRS John Murray (74MJ)
Cruise identifierJM7/71
Cruise period1971-06-09 — 1971-06-17
StatusCompleted
ObjectivesLUDO 14/1971
Chief scientistMohamed I Abdullah (University of Liverpool Department of Oceanography)
Ocean/sea areas 
GeneralBristol Channel
Measurements 
Physical oceanography 
Water bottle stationsQuantity: number of stations = 44
Current metersQuantity: number of deployments = 2
Description: direct reading
Chemical oceanography 
PhosphateQuantity: number of samples = 46
Total - PQuantity: number of samples = 46
NitrateQuantity: number of samples = 46
Trace elementsQuantity: number of samples = 44
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of samples = 44
Particulate organic matter (inc POC, PON)Quantity: number of samples = 44
Dissolved organic matter (inc DOC)Quantity: number of samples = 44
Pelagic bacteria/micro-organismsQuantity: number of samples = 4
Geology and geophysics 
DredgeQuantity: number of deployments = 44
Description: chemical analysis of sediments