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RRS John Murray JM15/75
Cruise summary report
|Ship name (ship code)||RRS John Murray (74MJ)|
|Cruise period||1975-10-21 — 1975-11-04|
|Port of departure||Barry, United Kingdom|
|Port of return||Barry, United Kingdom|
|Objectives||1. To carry out studies of sandwaves and associated dune bed forms in the Skerries Bank area of Start Bay.
2. To carry out a detailed bathymetric survey of sandwaves in the South Sandette Bank area.
3. To carry out trials with the EG & G sonar in a vertical tow mode.
4. To carry out sonar surveys off Bournemouth and Totland Pier.
5. To continue operating trials with Rangemaster relative positioning system.
|Chief scientist||D Nicholas Langhorne (Institute of Oceanographic Sciences Taunton)|
|Cruise report||(0.39 MB)|
|Other physical oceanographic measurements||Quantity: number of profiles = 3|
Description: sound velocity stations
|Other meteorological measurements||Description: sea and swell|
|Geology and geophysics|
|In-situ seafloor measurement/sampling||Quantity: number of dives = 10|
Description: sampling by divers
|Multi-beam echosounding||Quantity: track kilometres = 93|
|Long/short range side scan sonar||Quantity: number of hauls = 30|