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RRS John Murray JM14/77

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS John Murray (74MJ)
Cruise identifierJM14/77
Cruise period1977-11-11 — 1977-11-17
StatusCompleted
Port of departureBarry, United Kingdom
Port of returnBarry, United Kingdom
PurposeResearch
Objectives1) At four anchor stations to the study the release of chemical compounds from bottom sediments as a result of tidal disturbances

2) To collect and filter seawater samples from five stations in Swansea Bay for return to Plymouth for bio-assay experiments.
Chief scientistPeter G Watson (Institute of Marine Environmental Research, Plymouth)
Cruise reportRRS John Murray JM14/77 cruise report john_murray14_77.pdf (0.10 MB) 
Ocean/sea areas 
GeneralBristol Channel
Track chartsRRS John Murray JM14/77 cruise track — john_murray14_77track.pdf (0.02 MB) 
Measurements 
Physical oceanography 
Surface measurements underway (T,S)
Water bottle stationsQuantity: number of stations = 3
Description: surface only
CTD stationsQuantity: number of stations = 3
Chemical oceanography 
Other dissolved gasesQuantity: number of stations = 3
PhosphateQuantity: number of stations = 3
pHQuantity: number of stations = 3
Trace elementsQuantity: number of stations = 3
Contamination 
Suspended matterQuantity: number of stations = 3
Trace metalsQuantity: number of stations = 3
Geology and geophysics 
GrabQuantity: number of samples = 3
Description: chemical analysis of sediments