Cruise summary report
Cruise Info. | |
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Ship name (ship code) | RRS John Murray (74MJ) |
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Cruise identifier | JM6/80 |
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Cruise period | 1980-06-24 — 1980-07-07 |
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Status | Completed |
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Port of departure | Barry, United Kingdom |
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Port of return | Barry, United Kingdom |
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Purpose | Research |
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Objectives | To evaluate known gravel areas in the English Channel for their suitability for detailed studies of gravel mobility under tidal flow and surface wave conditions. |
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Chief scientist | D Nicholas Langhorne (Institute of Oceanographic Sciences Taunton) |
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Cruise report | (0.09 MB) |
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Ocean/sea areas | |
General | English Channel |
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Measurements | |
Physical oceanography | |
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Current meters | Quantity: number of deployments = 8 Description: 12 hours |
Geology and geophysics | |
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Grab | Quantity: number of samples = 65 |
Bottom photography | Quantity: track kilometres = 278 |
Multi-beam echosounding | Quantity: track kilometres = 463 |
Long/short range side scan sonar | Quantity: track kilometres = 463 |
Single channel seismic reflection | Quantity: track kilometres = 370 |
Other geological/geophysical measurements | Quantity: activity duration in hours = 30 Description: recorded TV hours |