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RRS Discovery D3_4
Cruise summary report
Cruise Info. | |
Ship name (ship code) | RRS Discovery (74E3) |
Cruise identifier | D3_4 |
Cruise period | 1964-05-12 — 1964-06-09 |
Status | Completed |
Port of departure | Cochin, India |
Port of return | Victoria, Seychelles |
Purpose | Research |
Objectives | To complete its part of the UK contribution to the International Indian Ocean Expedition, Discovery occupied 291 water sampling stations in the Indian Ocean in 154 days at sea. |
Chief scientist | John C Swallow (National Institute of Oceanography) |
Cruise report | (0.63 MB) |
Ocean/sea areas | |
General | Indian Ocean |
Track charts | (0.68 MB) |
Measurements | |
Physical oceanography | |
Water bottle stations | Quantity: number of stations = 49 Description: 27 to the bottom |
CTD stations | Quantity: number of stations = 41 Description: TSD |
Current meters | Quantity: number of profiles = 54 Description: current-shear |
Biology and fisheries | |
Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: number of profiles = 25 Description: chlorophyll |
Phytoplankton | Quantity: number of hauls = 60 Description: 22 series of vertical net hauls; 26 fine mesh net hauls; 12 Indian Ocean standard net hauls |
Zooplankton | Quantity: number of hauls = 60 Description: 22 series of vertical net hauls; 26 fine mesh net hauls; 12 Indian Ocean standard net hauls |
Neuston | Quantity: number of hauls = 28 Description: Neuston net tows |
Pelagic fish | Quantity: number of hauls = 7 Description: trawls |
Meteorology | |
Routine standard measurements | Description: continuous records |
Geology and geophysics | |
Single-beam echosounding | Description: continuous records |