Cruise summary report
Cruise Info. | |
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Ship name (ship code) | FRV Explorer (74EX) |
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Cruise identifier | 6/71 |
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Cruise period | 1971-09-15 — 1971-10-07 |
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Status | Completed |
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Port of departure | Aberdeen, United Kingdom |
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Port of return | Aberdeen, United Kingdom |
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Purpose | Research |
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Objectives | Herring larval survey in the north-western North Sea
Stormy weather hindered work between the 23/09/1971 and the 24/09/1971. ''Explorer'' put into Aberdeen on the 27/09/1971 till the 30/09/1971 to replenish water supplies and make repairs. |
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Chief scientist | Ian G Baxter (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory) |
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Cruise report | (0.09 MB) |
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Ocean/sea areas | |
General | North Sea |
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Specific | Dnunnet Head, Fair Isle, Moray Firth, Whiten Head area, W of Orkney |
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Measurements | |
Physical oceanography | |
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Water bottle stations | Quantity: number of stations = 55 Description: top & bottom. Pump samples were taken for salinity analysis at all stations, continuous sub-surface temperature records were obtained with a thermograph |
Subsurface temperature and salinity measurements | Quantity: number of stations = 55 Description: top & bottom. Pump samples were taken for salinity analysis at all stations, continuous sub-surface temperature records were obtained with a thermograph |
Biology and fisheries | |
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Phytoplankton | Quantity: number of hauls = 9 Description: 150 Plankton Indicator hauls made for the IMER Laboratory |
Eggs and larvae | Quantity: number of stations = 308 |
Other biological/fisheries measurement | Quantity: 21 Description: chemical analysis of biological material for heavy metals and pesticides |