RRS Challenger CH30
Cruise summary report
|Ship name (ship code)||RRS Challenger (74CH)|
|Cruise period||1988-06-06 — 1988-06-23|
|Port of departure||Troon, United Kingdom|
|Port of return||Barry, United Kingdom|
|Objectives||1. To make CTD transects across the Scottish continental shelf between the Mull of Galloway and the Butt of Lewis, and to collect radiocaesium samples upon selected transects.
2. To service SMBA current meter moorings N2 and N3 near the Wyville-Thomson Ridge and mooring Y in the Tiree Passage, and to retrieve five Bidston current meter moorings and two bottom pressure recorders from the St. Kilda shelf and slope.
3. To work CTD sections in the vicinity of the Wyville-Thomson Ridge and across Faroe Bank.
4. To make observations of the distribution of seabirds, especially in relation to feeding flocks and hydrographic structure, and to collect specimens in the North Channel and an offshore area.
5. To work CTD sections on the outer St. Kilda shelf in the vicinity of the Bidston moorings.
6. To work the Ellett Line section between Mull and the Anton Dohrn Seamount.
|Chief scientist||David J Ellett (Scottish Marine Biological Association)|
|Cruise report||(0.32 MB)|
|General||Inner Seas off the West Coast of Scotland|
North East Atlantic Ocean (limit 40W)
|Specific||N Atlantic (West of Scotland)|
|Track charts||(0.05 MB)|
|Water bottle stations||Quantity: number of stations = 142|
Description: 106 S surface 140 S bottom
|CTD stations||Quantity: number of stations = 147|
Description: 68 in NANSEN data set
|Current meters||Quantity: number of stations = 7|
Description: 8 deployed;4 months
|Radioactivity||Quantity: number of samples = 53|
Description: water samples for radio-caesium analysis.
|Biology and fisheries|
|Birds||Description: continuous throughout the cruise.|
|Mammals and reptiles||Description: continuous throught the cruise.|