RRS John Murray JM6/80

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS John Murray (74MJ)
Cruise identifierJM6/80
Cruise period1980-06-24 — 1980-07-07
Port of departureBarry, United Kingdom
Port of returnBarry, United Kingdom
ObjectivesTo evaluate known gravel areas in the English Channel for their suitability for detailed studies of gravel mobility under tidal flow and surface wave conditions.
Chief scientistD Nicholas Langhorne (Institute of Oceanographic Sciences Taunton)
Cruise reportRRS John Murray JM6/80 cruise report john_murray6_80.pdf (0.09 MB) 
Ocean/sea areas 
GeneralEnglish Channel
Physical oceanography 
Current metersQuantity: number of deployments = 8
Description: 12 hours
Geology and geophysics 
GrabQuantity: number of samples = 65
Bottom photographyQuantity: track kilometres = 278
Multi-beam echosoundingQuantity: track kilometres = 463
Long/short range side scan sonarQuantity: track kilometres = 463
Single channel seismic reflectionQuantity: track kilometres = 370
Other geological/geophysical measurementsQuantity: activity duration in hours = 30
Description: recorded TV hours