RRS Discovery D51 Leg 1
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RRS Discovery (74E3) |
| Cruise identifier | D51 Leg 1 |
| Cruise period | 1972-11-04 — 1972-11-14 |
| Status | Completed |
| Port of departure | Southampton, United Kingdom |
| Port of return | Gibraltar, Gibraltar |
| Purpose | Research |
| Objectives | 1) Lay 3 current meter moorings on N Biscay slope.
2) Lay shallow tide gauge on Josephine Bank 3) Obtain a magnometer profile from Biscay to Josephine Bank 4) Test new deep sea tide gauge acoustics 5) Test new pyro-releases 6) Develop new multi programming system on the computer 7) Make a combined TSD and camera profile in Gulf of Cadiz 8) Develop MK III echosounder 9) Test explosive devices |
| Chief scientist | James Crease (National Institute of Oceanography) |
| Cruise report |  (1.09 MB) |
| Ocean/sea areas | |
| General | English Channel North Atlantic Ocean Strait of Gibraltar (Mediterranean Sea) |
| Track charts | (0.02 MB) |
| Measurements | |
| Physical oceanography | |
| Water bottle stations | Quantity: number of stations = 1 |
| CTD stations | Quantity: number of stations = 26 Description: mainly in northwest mediterranean |
| Current meters | Quantity: 7 Description: 3 days;moorings 130,131,132 |
| Surface drifters/drifting buoys | Quantity: 6 Description: drogues |
| Sea level (inc. bot. press., inverted echosounder) | Description: only a short record due to circuit fault |
| Chemical oceanography | |
| Trace elements | Quantity: 12 |
| Biology and fisheries | |
| Zooplankton | Quantity: 3 |
| Neuston | Quantity: 2 |
| Meteorology | |
| Occasional standard measurements | Quantity: number of stations = 9 Description: geology and physical oceanography |
| Geology and geophysics | |
| Dredge | Quantity: number of deployments = 11 |
| Multi-beam echosounding | Description: approx.1000miles of track surveyed + detailed survey of canyon near 47-45N;08-09W |
| Magnetic measurements | Description: approx.1000miles of track surveyed + detailed survey of canyon near 47-45N;08-09W |
