RRS Challenger CH7B/82

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Challenger (74CH)
Cruise identifierCH7B/82
Cruise period1982-05-06 — 1982-05-16
Port of departureArdrossan, United Kingdom
Port of returnFalmouth, United Kingdom
ObjectivesThe objectives of this cruise were:
(1) To deploy a current meter mooring at stations F (57.5N, 12.25W) and Z (57° 19 min N, 7° 39 min W). Accomplished.
(2) To service MAFF moorings on the Porcupine slope at 52.5N. Recovered but not re-laid.
(3) To work the western half of the Rockall via Anton Dohrn Seamount (Ellett Line) and other CTD sections. Main section from station A (east of the seamount) to M (Rockall) worked, plus a north-south section across the seamount.
(4) To recover and service fouling moorings west of South Uist. Accomplished.
(5) To make Agassiz trawl and benthic sledge hauls to the east of the Anton Dohrn Seamount and at the SMBA permanent benthos station (54.5N). Accomplished.
(6) To work CTD sections in the Sea of the Hebrides. No time available.
Chief scientistDavid J Ellett (Scottish Marine Biological Association)
Cruise reportRRS Challenger CH7B/82 cruise report ch7_82.pdf (0.29 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
SpecificN. Atlantic Ocean
Track chartsRRS Challenger CH7B/82 cruise track — trk2856.html
Physical oceanography 
Water bottle stationsDescription: surface only
CTD stationsQuantity: number of stations = 24
Description: noisy salinity
Current metersDescription: 5 c.m.deployed;6 c.m.recovered;180 days
Biology and fisheries 
Eggs and larvae
ZoobenthosDescription: survey:taxonomy,biomass determination,distribution
Gear research
Other biological/fisheries measurementDescription: attached plants and algae
Other biological/fisheries measurementDescription: intertidal organisms
Other biological/fisheries measurementDescription: borers and foulers