Cruise summary report
Cruise Info. | |
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Ship name (ship code) | FRV Mara (74MR) |
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Cruise identifier | 4A/77 |
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Cruise period | 1977-04-19 — 1977-05-02 |
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Status | Completed |
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Port of departure | Buckie, United Kingdom |
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Port of return | Buckie, United Kingdom |
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Purpose | Research |
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Objectives | 1. To conduct hydro-biological surveys of the Sullom Voe and neighbouring areas.
2. To measure currents in Sullom Voe using two current meter moorings, parachute drogues and a window blind.
3. To assess the oxygen demand of the sediments in the upper basin of Sullom Voe. |
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Chief scientist | D D Seaton (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory), Harry D Dooley (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory) |
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Cruise report | (0.07 MB) |
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Ocean/sea areas | |
General | North East Atlantic Ocean (limit 40W) |
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Track charts | |
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Measurements | |
Physical oceanography | |
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Water bottle stations | Quantity: number of stations = 40 |
Current meters | Quantity: number of deployments = 25 Description: 28 days |
Chemical oceanography | |
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Oxygen | Quantity: number of stations = 39 |
Phosphate | Quantity: number of stations = 29 |
Nitrate | Quantity: number of stations = 39 |
Ammonia | Quantity: number of stations = 39 |
Silicate | Quantity: number of stations = 26 |
Biology and fisheries | |
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Primary productivity | Quantity: number of samples = 144 |
Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: number of stations = 39 |
Geology and geophysics | |
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Other geological/geophysical measurements | Quantity: number of samples = 25 Description: chemical analysis of sediments |