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RRS John Murray B/1/74
Cruise summary report
Cruise Info. | |
Ship name (ship code) | RRS John Murray (74MJ) |
Cruise identifier | B/1/74 |
Cruise period | 1974-01-16 — 1974-01-22 |
Status | Completed |
Purpose | Research |
Objectives | Bristol Channel survey. |
Chief scientist | Vernon Bainbridge (Institute of Marine Environmental Research, Plymouth) |
Ocean/sea areas | |
General | Bristol Channel |
Measurements | |
Physical oceanography | |
Water bottle stations | Quantity: number of stations = 43 Description: surface 41 bottom |
Optics (eg underwater light levels) | Quantity: 42 |
Other physical oceanographic measurements | Quantity: 41 |
Chemical oceanography | |
Phosphate | Quantity: 41 |
Total - P | Quantity: 41 |
Nitrate | Quantity: 41 |
Nitrite | Quantity: 41 |
Silicate | Quantity: 41 |
Trace elements | Quantity: 41 |
Isotopes | Quantity: 41 |
Biology and fisheries | |
Primary productivity | Quantity: 2 |
Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: 41 |
Particulate organic matter (inc POC, PON) | Quantity: 82 |
Dissolved organic matter (inc DOC) | Quantity: 41 |
Phytoplankton | Quantity: 41 |
Zooplankton | Quantity: 41 |
Pelagic bacteria/micro-organisms | |
Meteorology | |
Routine standard measurements | Quantity: 43 |
Data held at BODC | |
Discrete samples | |
43 General station with STD/bottles/additional instruments | Chlorophyll pigment concentrations in water bodies Particulate total and organic nitrogen concentrations in the water column Salinity of the water column Temperature of the water column Dissolved oxygen parameters in the water column Concentration of suspended particulate material in the water column Concentration of adenylates in the water column Phaeopigment concentrations in the water column Dissolved metal concentrations in the water column Particulate total and organic carbon concentrations in the water column |
41 Lowestoft Sampler | Zooplankton taxonomy-related abundance per unit volume of the water column Fish morphology, age and physiology Fish abundance in water bodies |