Cruise inventory

RRS Challenger CH12A/79

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Challenger (74CH)
Cruise identifierCH12A/79
Cruise period1979-08-18 — 1979-08-25
StatusCompleted
Port of departureArdrossan, United Kingdom
Port of returnKirkwall, United Kingdom
PurposeResearch
ObjectivesLeg 1 was devoted to recovery and relaying current meter moorings.
Chief scientistW John Gould (Institute of Oceanographic Sciences Wormley Laboratory)
Cruise reportRRS Challenger CH12A/79 cruise report ch12_79.pdf — access key 'C' (0.43 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
Track chartsRRS Challenger CH12A/79 cruise track — trk2452a.html
Measurements 
Physical oceanography 
Current metersQuantity: number of deployments = 4
Description: 90 days
Meteorology 
Occasional standard measurementsQuantity: activity duration in days = 2
Geology and geophysics 
Multi-beam echosoundingQuantity: track kilometres = 1800
Moorings, landers, buoys 
Physical oceanography 
Current meters58° 51' 56" N  11° 37' 49" W — Mooring 276 deployed.
Current meters58° 55' 39" N  13° 18' 17" W — Mooring 277 deployed.
Current meters58° 55' 39" N  13° 16' 20" W — Mooring 268 recovered with all line and instruments in excellent condition.
Current meters58° 51' 42" N  11° 37' 41" W — Mooring 271 recovered with all components in good condition.
Current meters59° 57' 42" N  12° 11' 12" W — Mooring 278 deployed.
Current meters60° 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 meters59° 58' 36" N  12° 12' 18" W — Mooring 269 recovered with all mooring components in excellent condition.