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RRS Challenger CH27
Cruise summary report
Cruise Info. | |
Ship name (ship code) | RRS Challenger (74CH) |
Cruise identifier | CH27 |
Cruise period | 1988-04-04 — 1988-04-25 |
Status | Completed |
Objectives | Biological cruise. Leg 1: 31 Mar - 5 Apr; Leg 2: 5-24 Apr. |
Chief scientist | E Malcolm S Woodward (Plymouth Marine Laboratory) |
Ocean/sea areas | |
General | English Channel North Sea |
Specific | English Channel; North Sea |
Measurements | |
Physical oceanography | |
Surface measurements underway (T,S) | Quantity: track kilometres = 5186 |
Water bottle stations | Quantity: number of stations = 22 Description: NIO bottle drops 86 S surface |
CTD stations | Quantity: number of stations = 6 |
Subsurface temperature and salinity measurements | Quantity: track kilometres = 3334 |
Optics (eg underwater light levels) | Description: 1100nm |
Chemical oceanography | |
Phosphate | Description: 2800nm |
Nitrate | Description: 2800nm |
Nitrite | Description: 2800nm |
Silicate | Description: 2800nm |
Contamination | |
Other contaminant measurements | |
Biology and fisheries | |
Primary productivity | Quantity: number of measurements = 72 |
Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: number of samples = 93 |
Particulate organic matter (inc POC, PON) | Quantity: number of samples = 186 |
Phytoplankton | Quantity: number of samples = 93 Description: distribution,biomass determination,energy transfers |