Cruise inventory

RRS John Murray JM14/79 (B/6/79)

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS John Murray (74MJ)
Cruise identifierJM14/79 (B/6/79)
Cruise period1979-09-10 — 1979-09-12
StatusCompleted
Port of departureBarry, United Kingdom
Port of returnBarry, United Kingdom
PurposeResearch
ObjectivesTo continue a seires of cruises to monitor the performance of the Bristol Channel to update ecosystems model GEMBASE
Chief scientistMichael B Jordan (Institute of Marine Environmental Research, Plymouth)
Cruise reportRRS John Murray JM14/79 (B/6/79) cruise report john_murray14_79.pdf — access key 'C' (0.03 MB) 
Ocean/sea areas 
GeneralBristol Channel
Measurements 
Physical oceanography 
Surface measurements underway (T,S)Quantity: track kilometres = 444.48
Description: Continuous surface sampling
Transparency (eg transmissometer)Quantity: track kilometres = 444.48
Description: Continuous surface sampling
Chemical oceanography 
NitrateQuantity: track kilometres = 444.48
Description: Continuous surface sampling
Contamination 
Suspended matterQuantity: track kilometres = 444.48
Description: Continuous surface sampling
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: track kilometres = 444.48
Description: Continuous surface sampling
PhytoplanktonQuantity: number of samples = 26
ZooplanktonQuantity: number of samples = 26
Description: identification,distribution,monitoring
Data held at BODC 
Discrete samples 
149  General station with STD/bottles/additional instrumentsChlorophyll pigment concentrations in water bodies
Salinity of the water column
Concentration of suspended particulate material in the water column
Nitrate concentration parameters in the water column
Temperature of the water column
Phaeopigment concentrations in the water column
Nitrite concentration parameters in the water column