Cruise summary report
Cruise Info. | |
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Ship name (ship code) | FRV Explorer (74EX) |
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Cruise identifier | 7/73 |
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Cruise period | 1973-08-09 — 1973-08-13 |
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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 | 1) To collect baseline data on hydrocarbons in selected components of the ecosystem in the region of the North Sea oil fields
2) To collect water and plankton samples for PCB analysis (Mr Holden)
3) To collect nutrient-free seawater (Mr Burns)
4) Operations for surface film, subsurface water and zooplankton from the upper water were done whenever possible from a small boat at least 200 m clear of the ship
5) Water and sediment samples were collected in duplicate at selected stations for intercalibration work with Norway |
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Chief scientist | Alasdair D McIntyre (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 | Forties area, Ekofisk, Eldfisk, Auk, Montrose, Piper and Beryl fields |
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Measurements | |
Chemical oceanography | |
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Other chemical oceanographic measurements | Quantity: number of stations = 14 Description: Montrose surface film, subsurface water from 3 m depth |
Biology and fisheries | |
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Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: number of stations = 14 Description: chlorophyll from 3 m depth from the non-toxic seawater supply |
Particulate organic matter (inc POC, PON) | Quantity: number of stations = 14 Description: from 3 m depth from the non-toxic seawater supply |
Zooplankton | Quantity: number of stations = 14 Description: zooplankton and water samples for PCB analysis |
Geology and geophysics | |
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Other geological/geophysical measurements | Quantity: number of stations = 14 Description: chemical analysis of sediments from the S.M grab and Moore-Neil corer |