RRS Challenger CH6/73

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Challenger (74CH)
Cruise identifierCH6/73
Cruise period1973-07-01 — 1973-07-05
Port of departureDunstaffnage, United Kingdom
Port of returnDunstaffnage, United Kingdom
ObjectivesThe main objectives of the cruise were: a) to complete two 24-hour periods of continuous steaming at 10 knots and 8 knots in order to accurately gauge fuel consumption for future cruise planning; b) to take deep water bottom samples using the Anchor Box Dredge and Epibenthic Sledge samplers; and c) to test equipment for underway autoanalysis of the nutrient chemistry of sea water.
Chief scientistJohn D Gage (Scottish Marine Biological Association)
Cruise reportRRS Challenger CH6/73 cruise report ch6_73.pdf (0.94 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
SpecificRockall Trough
Biology and fisheries 
ZoobenthosDescription: epibenthic sledge.
Geology and geophysics 
DredgeDescription: Anchor box dredge.