Cruise summary report
Cruise Info. | |
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Ship name (ship code) | RV Clione (74CN) |
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Cruise identifier | CLI10/74 |
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Cruise period | 1974-07-15 — 1974-07-24 |
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Status | Completed |
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Port of departure | Lowestoft, United Kingdom |
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Port of return | Lowestoft, United Kingdom |
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Purpose | Trials |
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Objectives | 1. To estimate the efficiency of RV Corella's Granton trawl using the ARL scanner and transponding acoustic tags.
2. To test the QSM 2400 underwater spectroradiometer. |
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Chief scientist | Michael Greer-Walker (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory) |
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Cruise report | (0.15 MB) |
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Ocean/sea areas | |
General | North Sea |
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Specific | Southern North Sea, Den Helder, 30 nautical miles E of Den Helder, Marsdiep |
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Measurements | |
Physical oceanography | |
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Optics (eg underwater light levels) | Quantity: number of stations = 2 Description: Offshore stations, the QSM 2400 spectroradiometer and associated equipment was used to the maximum depth of water |
Optics (eg underwater light levels) | Quantity: number of stations = 2 Description: Measurements of underwater spectral irradiance were made at 52 degrees 5 minutes North 4 degrees 8 minutes East, and at 52 degrees 44.5 minutes North, 3 degrees 21 minutes East |
Biology and fisheries | |
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Taggings | Quantity: number of specimens = 21 Description: Plaice fitted with acoustic transponding tags |