RRS Challenger CH12B/81

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Challenger (74CH)
Cruise identifierCH12B/81
Cruise period1981-08-14 — 1981-08-21
Port of departureDunstaffnage, United Kingdom
Port of returnArdrossan, United Kingdom
Objectives1. To obtain seasonal samples of deep-sea benthos and deep plantkon at the SMBA Permanent Station and at Station 'N' using epibenthic sled, Agassiz trawl, RMT 1 and Spade Box Corer.
2. To obtain samples of deep sea benthos from two stations on the Feni Ridge using Agassiz Trawl and Spade Box Corer.
Chief scientistPaul A Tyler (University of Wales Swansea Department of Geology and Oceanography)
Cruise reportRRS Challenger CH12B/81 cruise report ch12b_81.pdf (0.21 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
SpecificWest of Scotland
Track chartsRRS Challenger CH12B/81 cruise track — trk2743.html
Chemical oceanography 
RadioactivityQuantity: number of samples = 1
Description: radionuclides
Biology and fisheries 
ZooplanktonQuantity: number of samples = 2
ZoobenthosQuantity: number of hauls = 5
Description: Agassiz trawl hauls to survey taxonomy and population.
Gear researchQuantity: number of hauls = 2
Geology and geophysics 
Core - soft bottomQuantity: number of deployments = 2
Description: Box corer.