Cruise summary report
Cruise Info. | |
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Ship name (ship code) | RRS John Murray (74MJ) |
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Cruise identifier | JM7B/75 |
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Cruise period | 1975-05-15 — 1975-05-21 |
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Status | Completed |
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Port of departure | Barry, United Kingdom |
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Port of return | Barra, United Kingdom |
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Objectives | JM;7B;75 |
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Chief scientist | Robert H Bruce (Institute of Marine Environmental Research, Plymouth) |
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Ocean/sea areas | |
General | Irish Sea and St. George's Channel |
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Specific | St George's Channel |
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Track charts | |
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Measurements | |
Physical oceanography | |
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Bathythermograph | Quantity: number of profiles = 29 |
Water bottle stations | Quantity: number of stations = 15 |
CTD stations | Quantity: number of stations = 9 |
Subsurface temperature and salinity measurements | Quantity: track kilometres = 1667 |
Chemical oceanography | |
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Phosphate | Quantity: number of stations = 15 |
Nitrate | Quantity: number of stations = 15 |
Nitrite | Quantity: number of stations = 15 |
Silicate | Quantity: number of stations = 15 |
Biology and fisheries | |
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Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: number of stations = 15 |
Particulate organic matter (inc POC, PON) | Quantity: number of stations = 15 |
Zooplankton | Quantity: track kilometres = 1667 Description: distribution, population |