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- 1987
RRS Challenger B/2/79 (C/2/79, CH4/79)
Cruise summary report
Cruise Info. | |
Ship name (ship code) | RRS Challenger (74CH) |
Cruise identifier | B/2/79 (C/2/79, CH4/79) |
Cruise period | 1979-03-20 — 1979-04-03 |
Status | Completed |
Port of departure | Barry, United Kingdom |
Port of return | Barry, United Kingdom |
Objectives | Biogeochemical surveys of two grids in the Bristol Channel and Carmarthen Bay. |
Chief scientist | Bob Williams (Institute of Marine Environmental Research, Plymouth) |
Ocean/sea areas | |
General | Irish Sea and St. George's Channel Bristol Channel |
Specific | Carmarthen Bay |
Measurements | |
Physical oceanography | |
Surface measurements underway (T,S) | Description: continuous at 3 m. |
Water bottle stations | Quantity: number of stations = 20 Description: surface only |
CTD stations | Quantity: number of stations = 10 |
Chemical oceanography | |
Phosphate | Quantity: number of samples = 99 |
Total - P | Quantity: number of samples = 99 |
Nitrate | Quantity: number of samples = 99 |
Nitrite | Quantity: number of samples = 99 |
Silicate | Quantity: number of samples = 99 |
Biology and fisheries | |
Phytoplankton pigs (eg chlorophyll, fluorescence) | Description: continuous at 3 m. |
Particulate organic matter (inc POC, PON) | Quantity: number of samples = 99 |
Phytoplankton | Quantity: number of samples = 99 |
Zooplankton | Quantity: number of hauls = 79 Description: survey:population,energy transfers,biomass determination etc. |
Geology and geophysics | |
Core - soft bottom | Quantity: number of cores = 8 |
Data held at BODC | |
Discrete samples | |
394 General station with STD/bottles/additional instruments | Nitrite concentration parameters in the water column Temperature of the water column Phosphate concentration parameters in the water column Salinity of the water column Concentration of suspended particulate material in the water column Silicate concentration parameters in the water column Nitrate concentration parameters in the water column Phaeopigment concentrations in the water column Chlorophyll pigment concentrations in water bodies |