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RRS Discovery D99
Cruise summary report
Cruise Info. | |
Ship name (ship code) | RRS Discovery (74E3) |
Cruise identifier | D99 |
Cruise period | 1979-01-16 — 1979-01-27 |
Status | Completed |
Port of departure | Cape Town, South Africa |
Port of return | Cape Town, South Africa |
Purpose | Research |
Objectives | 1. The collection of large volume water samples for analyses of selected trace metals and nutrients.
2. The collection of samples of suspended particulate material from large-volume water samples for geochemical studies. 3. The collection of integrated samples of settling particulate material by a particle trap. 4. The collection of bottom sediment samples, by gravity- and box-coring for geochemical studies. 5. The collection of a series of sediment pore water samples by in-situ techniques and by squeezing cored sediments. 6. The collection of near-surface and surface plankton samples for biochemical studies. 7. The collection of samples of the sea-surface microlayer for geochemical and biochemical studies. |
Chief scientist | Stephen E Calvert (Institute of Oceanographic Sciences Wormley Laboratory) |
Cruise report | (0.38 MB) |
Ocean/sea areas | |
General | South East Atlantic Ocean (limit 20W) |
Track charts | |
Measurements | |
Physical oceanography | |
Water bottle stations | Quantity: number of stations = 5 |
Chemical oceanography | |
Oxygen | Quantity: 5 |
Phosphate | Quantity: 5 |
Total - P | Quantity: 5 |
Silicate | Quantity: 5 |
Trace elements | Quantity: 5 |
Other chemical oceanographic measurements | Description: chemical analysis of sediments |
Biology and fisheries | |
Neuston | |
Meteorology | |
Routine standard measurements | Description: measurements for met.office.(selected ship) |
Geology and geophysics | |
Core - soft bottom | Quantity: number of cores = 11 |
Multi-beam echosounding | Quantity: track kilometres = 2037 |
Other geological/geophysical measurements | Description: sediment pore waters |