Cruise summary report
Cruise Info. | |
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Ship name (ship code) | Sperus (74TJ) |
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Cruise identifier | 7/77 Leg 8 |
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Cruise period | 1977-07-16 — 1977-07-28 |
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Status | Completed |
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Port of departure | Lerwick, United Kingdom |
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Port of return | Lerwick, United Kingdom |
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Objectives | Geological and geophysical mapping of the UK Continental Shelf.
Calibration runs with the MX600 sonar carried out. Gravity, magnetic and pinger data was recorded. Problems occurred with the airgun, compressor and hydrophones. Sonar towed at a depth of 400m. |
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Chief scientist | Robin A Floyd (Institute of Geological Sciences, Edinburgh) |
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Cruise report | (18.20 MB) |
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Ocean/sea areas | |
General | North Sea |
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Track charts | (0.39 MB) (0.21 MB) (0.70 MB) |
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Measurements | |
Geology and geophysics | |
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Single-beam echosounding | Description: regional geophysical survey |
Long/short range side scan sonar | Description: calibration runs with MX600 sonar and tows at 400m |
Single channel seismic reflection | Description: pinger; regional geophysical survey |
Multichannel seismic reflection | Description: wide angle reflection.Format: seismic graphic recorder. Regional geophysical survey. |
Gravity measurements | Description: regional geophysical survey |
Magnetic measurements | Description: regional geophysical survey |