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RRS Discovery D48_1
Cruise summary report
Cruise Info. | |
Ship name (ship code) | RRS Discovery (74E3) |
Cruise identifier | D48_1 |
Cruise period | 1972-07-12 — 1972-07-30 |
Status | Completed |
Port of departure | Barry, United Kingdom |
Port of return | Santa Cruz de Tenerife, Spain |
Purpose | Research |
Objectives | The primary objective was a study of the physical and chemical processes in a region of coastal upwelling off North-west Africa combined with a biological sampling programme in the same area.
Laying a recording tide gauge to obtain a month's record on the Josephine Bank, studying atmospheric haze using nephelometer measurements and obtaining some deep sea cores in the Canaries Basin. |
Chief scientist | Kenneth F Bowden (University of Liverpool Department of Oceanography) |
Project | CINECA |
Cruise report | (0.64 MB) |
Ocean/sea areas | |
General | North East Atlantic Ocean (limit 40W) |
Specific | NW African coast from Cap Blanc to Cabo Bojador |
Track charts | (0.01 MB) |
Measurements | |
Physical oceanography | |
CTD stations | Quantity: number of stations = 54 Description: Bissett Berman STD system type 9006 |
Sea level (inc. bot. press., inverted echosounder) | |
Chemical oceanography | |
Oxygen | Quantity: 54 |
Phosphate | Quantity: 54 |
Nitrate | Quantity: 54 |
Silicate | Quantity: 54 |
Trace elements | Quantity: 22 |
Biology and fisheries | |
Primary productivity | Quantity: 50 |
Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: 187 |
Particulate organic matter (inc POC, PON) | Quantity: number of stations = 107 |
Zooplankton | Quantity: 20 |
Neuston | Quantity: 15 |
Zoobenthos | Quantity: 21 |
Meteorology | |
Occasional standard measurements | |
Geology and geophysics | |
Core - soft bottom | Quantity: number of cores = 1 Description: chemical analysis |