Cruise summary report
Cruise Info. | |
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Ship name (ship code) | RRS John Murray (74MJ) |
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Cruise identifier | JM3/81 |
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Cruise period | 1981-03-31 — 1981-04-09 |
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Status | Completed |
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Port of departure | Plymouth, United Kingdom |
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Port of return | Barry, United Kingdom |
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Purpose | Research |
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Objectives | To survey the thermal structure which occurs in the English Channel along the South coast of England, during the late winter/early spring, and to detect any associated structure in the biological productivity if it existed. |
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Chief scientist | Ian S Robinson (University of Southampton Department of Oceanography) |
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Cruise report | (0.17 MB) |
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Ocean/sea areas | |
General | English Channel Irish Sea and St. George's Channel Bay of Biscay |
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Track charts | |
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Measurements | |
Physical oceanography | |
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Surface measurements underway (T,S) | |
CTD stations | Quantity: number of stations = 75 |
Current meters | Quantity: number of stations = 2 Description: 3 c.m.on each of 2 moorings;sampling interval:1 min.;3,5 days |
Chemical oceanography | |
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Oxygen | |
Biology and fisheries | |
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Phytoplankton pigs (eg chlorophyll, fluorescence) | |
Particulate organic matter (inc POC, PON) | |
Dissolved organic matter (inc DOC) | |
Zooplankton | |
Geology and geophysics | |
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Grab | Quantity: number of samples = 12 |