Cruise summary report
Cruise Info. | |
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Ship name (ship code) | RRS John Murray (74MJ) |
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Cruise identifier | JM4A/76 |
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Cruise period | 1976-04-02 — 1976-04-13 |
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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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Objectives | FLEX/JONSDAP 76 |
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Chief scientist | Bob Williams (Institute of Marine Environmental Research, Plymouth) |
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Project | JONSDAP 76 (FLEX) |
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Cruise report | (0.13 MB) |
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Ocean/sea areas | |
General | North Sea |
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Track charts | |
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Measurements | |
Physical oceanography | |
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Surface measurements underway (T,S) | |
Bathythermograph | Quantity: number of profiles = 7 |
Water bottle stations | Quantity: number of stations = 7 |
Subsurface temperature and salinity measurements | |
Optics (eg underwater light levels) | |
Chemical oceanography | |
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Phosphate | Quantity: number of stations = 7 |
Nitrate | Quantity: number of stations = 7 |
Nitrite | Quantity: number of stations = 7 |
Silicate | Quantity: number of stations = 7 |
Biology and fisheries | |
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Primary productivity | |
Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: number of stations = 7 |
Particulate organic matter (inc POC, PON) | |
Phytoplankton | Quantity: number of stations = 7 |
Zooplankton | Quantity: number of samples = 19 Description: survey:population,biomass determination etc. |
Meteorology | |
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Routine standard measurements | |