RRS John Murray JM6/80
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RRS John Murray (74MJ) |
| Cruise identifier | JM6/80 |
| Cruise period | 1980-06-24 — 1980-07-07 |
| Status | Completed |
| Port of departure | Barry, United Kingdom |
| Port of return | Barry, United Kingdom |
| Purpose | Research |
| Objectives | To evaluate known gravel areas in the English Channel for their suitability for detailed studies of gravel mobility under tidal flow and surface wave conditions. |
| Chief scientist | D Nicholas Langhorne (Institute of Oceanographic Sciences Taunton) |
| Cruise report |  (0.09 MB) |
| Ocean/sea areas | |
| General | English Channel |
| Measurements | |
| Physical oceanography | |
| Current meters | Quantity: number of deployments = 8 Description: 12 hours |
| Geology and geophysics | |
| Grab | Quantity: number of samples = 65 |
| Bottom photography | Quantity: track kilometres = 278 |
| Multi-beam echosounding | Quantity: track kilometres = 463 |
| Long/short range side scan sonar | Quantity: track kilometres = 463 |
| Single channel seismic reflection | Quantity: track kilometres = 370 |
| Other geological/geophysical measurements | Quantity: activity duration in hours = 30 Description: recorded TV hours |
