RRS Challenger CH3/81
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RRS Challenger (74CH) |
| Cruise identifier | CH3/81 |
| Cruise period | 1981-02-12 — 1981-02-25 |
| Status | Completed |
| Port of departure | Fleetwood, United Kingdom |
| Port of return | Barry, United Kingdom |
| Purpose | Research |
| Objectives | To carry out experiments to find the variation of seismic velocity with depth, with Challenger towing a 12-channel hydrophone streamer and the "Starella" firing explosives at 2 or 3 minute intervals, to create seismic profiles. |
| Chief scientist | Robert S White (University of Cambridge Department of Earth Sciences) |
| Coordinating body | with E.J.W.Jones |
| Cruise report |  (0.66 MB) |
| Ocean/sea areas | |
| General | North Sea North East Atlantic Ocean (limit 40W) |
| Specific | N.E. Atlantic |
| Track charts |  |
| Measurements | |
| Geology and geophysics | |
| Multi-beam echosounding | Quantity: track kilometres = 1850 |
| Single channel seismic reflection | Quantity: number of track lines = 50 |
| Seismic refraction | Quantity: track kilometres = 4625 |
| Magnetic measurements | Quantity: track kilometres = 1850 |
