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RRS Challenger CH25

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Challenger (74CH)
Cruise identifierCH25
Cruise period1988-02-24 — 1988-03-07
StatusCompleted
Port of departureTroon, United Kingdom
Port of returnOban, United Kingdom
PurposeResearch
Objectives1. To make CTD transects across the shelf between the Mull of Galloway and Cape Wrath, and to collect radiocaesium samples upon selected transects for Fisheries Radiobiological Laboratory and SURRC, East Kilbride.
2. To service SMBA current meter moorings N1 and N2 near the Wyville-Thomson Ridge and moorings Y in the Tiree Passage, and to retrieve moorings V, W and X in the Little Minch and west of Lewis.
3. To work CTD sections in the vicinity of the Wyville-Thomson Ridge and across Faroe Bank.
4. To work some or all of the CTD stations of the Anton Dohrn Seamount (Ellett Line) section.
Chief scientistDavid J Ellett (Scottish Marine Biological Association)
ProjectNANSEN
Coordinating bodyICES
Cruise reportRRS Challenger CH25 cruise report ch25_88.pdf (0.29 MB) 
Ocean/sea areas 
GeneralInner Seas off the West Coast of Scotland
North East Atlantic Ocean (limit 40W)
SpecificAtlantic, West of Scotland
Track chartsRRS Challenger CH25 cruise track — trk3344.html RRS Challenger CH25 cruise track — trk3344a.html
Measurements 
Physical oceanography 
Water bottle stationsQuantity: number of stations = 87
Description: S surface only 62 T/S bottom
CTD stationsQuantity: number of stations = 62
Description: floppy
Current metersQuantity: number of recoveries = 11
Description: 7 deployed;3 months
Currents measured from ship driftDescription: floppy cont.
Chemical oceanography 
RadioactivityQuantity: number of samples = 69
Description: samples for Radio-caesium analysis.