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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 |