RRS Discovery D3_3
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RRS Discovery (74E3) |
| Cruise identifier | D3_3 |
| Cruise period | 1964-04-10 — 1964-05-08 |
| Status | Completed |
| Port of departure | Port Louis, Mauritius |
| Port of return | Cochin, India |
| 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) |
| Project | International Indian Ocean Expedition |
| Cruise report |  (0.63 MB) |
| Ocean/sea areas | |
| General | Indian Ocean |
| Track charts | (0.68 MB) |
| Measurements | |
| Physical oceanography | |
| Bathythermograph | Description: hourly dips |
| Water bottle stations | Quantity: number of stations = 51 Description: 29 to the bottom |
| Current meters | Quantity: number of profiles = 71 Description: current-shear |
| Neutrally buoyant floats | Quantity: number of deployments = 14 |
| Biology and fisheries | |
| Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: number of profiles = 20 Description: chlorophyll |
| Phytoplankton | Quantity: number of hauls = 48 Description: 15 Indian Ocean Standard net hauls; 16 series of vertical net hauls; 17 fine net mesh hauls |
| Zooplankton | Quantity: number of hauls = 48 Description: 15 Indian Ocean Standard net hauls; 16 series of vertical net hauls; 17 fine net mesh hauls |
| Neuston | Quantity: number of hauls = 32 Description: Neuston net tows |
| Pelagic fish | Quantity: number of hauls = 9 Description: Isaacs-Kidd trawl |
| Meteorology | |
| Occasional standard measurements | Description: continuous records maintained |
| Geology and geophysics | |
| Single-beam echosounding | Description: continuous records maintained |
