Cruise summary report
Cruise Info. | |
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Ship name (ship code) | Researcher (3175) |
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Cruise identifier | 2/78 |
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Cruise period | 1978-03-17 — 1978-03-29 |
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Status | Completed |
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Port of departure | Barry, United Kingdom |
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Port of return | Barry, United Kingdom |
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Purpose | Research |
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Objectives | 1. To measure levels of nutrients, chlorophyll, total suspended matter, organic matter and the zooplankton and phytoplankton populations.
2. To characterise the hydrographic conditions at the two sites.
3. To measure the feeding rates and development times of two species of copepods at the two sites.
4. To measure uptake and release of nutrients by micro-organisms.
5. To measure the release of nutrients by zooplankton. |
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Chief scientist | Bob Williams (Institute of Marine Environmental Research, Plymouth) |
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Cruise report | (0.19 MB) |
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Ocean/sea areas | |
General | Irish Sea and St. George's Channel |
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Track charts | |
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Measurements | |
Physical oceanography | |
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Surface measurements underway (T,S) | |
Water bottle stations | Quantity: number of stations = 14 Description: S surface only |
Chemical oceanography | |
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Phosphate | Quantity: 65 |
Nitrate | Quantity: 65 |
Nitrite | Quantity: 65 |
Ammonia | Quantity: 65 |
Silicate | Quantity: 65 |
Contamination | |
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Suspended matter | Description: continuous recording |
Biology and fisheries | |
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Phytoplankton pigs (eg chlorophyll, fluorescence) | Description: continuous recording |
Particulate organic matter (inc POC, PON) | Quantity: 65 |
Phytoplankton | Quantity: 17 |
Zooplankton | Quantity: 5 Description: survey:taxonomy,energy transfers,biomass etc. studies |
Seston | Description: continuous recording |