RRS Challenger CH12A/79
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RRS Challenger (74CH) |
| Cruise identifier | CH12A/79 |
| Cruise period | 1979-08-18 — 1979-08-25 |
| Status | Completed |
| Port of departure | Ardrossan, United Kingdom |
| Port of return | Kirkwall, United Kingdom |
| Purpose | Research |
| Objectives | Leg 1 was devoted to recovery and relaying current meter moorings. |
| Chief scientist | W John Gould (Institute of Oceanographic Sciences Wormley Laboratory) |
| Cruise report |  (0.43 MB) |
| Ocean/sea areas | |
| General | North East Atlantic Ocean (limit 40W) |
| Track charts |  |
| Measurements | |
| Physical oceanography | |
| Current meters | Quantity: number of deployments = 4 Description: 90 days |
| Meteorology | |
| Occasional standard measurements | Quantity: activity duration in days = 2 |
| Geology and geophysics | |
| Multi-beam echosounding | Quantity: track kilometres = 1800 |
| Moorings, landers, buoys | |
| Physical oceanography | |
| Current meters | 58° 51' 56" N 11° 37' 49" W — Mooring 276 deployed. |
| Current meters | 58° 55' 39" N 13° 16' 20" W — Mooring 268 recovered with all line and instruments in excellent condition. |
| Current meters | 58° 55' 39" N 13° 18' 17" W — Mooring 277 deployed. |
| Current meters | 59° 57' 42" N 12° 11' 12" W — Mooring 278 deployed. |
| Current meters | 60° 11' 12" N 9° 18' 6" W — Mooring 270 recovered with some corrosion on all wire lengths. The deepest meter had also lost its rotor. |
| Current meters | 58° 51' 42" N 11° 37' 41" W — Mooring 271 recovered with all components in good condition. |
| Current meters | 59° 58' 36" N 12° 12' 18" W — Mooring 269 recovered with all mooring components in excellent condition. |
