RRS Discovery D143
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RRS Discovery (74E3) |
| Cruise identifier | D143 |
| Cruise period | 1983-12-22 — 1984-01-19 |
| Status | Completed |
| Port of departure | Dakar, Senegal |
| Port of return | Dakar, Senegal |
| Purpose | Research |
| Objectives | 1. To investigate whether there is a heat flow anomaly across the Cape Verdes Rise, and to measure heat flow through old oceanic crust.
2. To take surface and deep water samples, and to collect atmospheric dust samples. 3. To test a prototype digital Ocean Bottom Seismometer (OBS). |
| Chief scientist | Robert S White (University of Cambridge Department of Earth Sciences) |
| Cruise report |  (0.33 MB) |
| Ocean/sea areas | |
| General | North East Atlantic Ocean (limit 40W) |
| Specific | Central E. Atlantic |
| Track charts |  |
| Measurements | |
| Physical oceanography | |
| Surface measurements underway (T,S) | Quantity: track kilometres = 4630 Description: T only |
| Other physical oceanographic measurements | Quantity: number of profiles = 1 Description: sound velocity stations |
| Geology and geophysics | |
| In-situ seafloor measurement/sampling | Quantity: track kilometres = 370 Description: temp.;geothermy |
| Multi-beam echosounding | Quantity: track kilometres = 4630 |
| Single channel seismic reflection | Quantity: track kilometres = 2778 |
| Gravity measurements | Quantity: track kilometres = 4630 |
| Magnetic measurements | Quantity: track kilometres = 4630 |
| Other geological/geophysical measurements | Quantity: track kilometres = 370 Description: heat flow |
