Cruise inventory

RRS Discovery D173

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Discovery (74E3)
Cruise identifierD173
Cruise period1988-04-29 — 1988-05-09
Port of departureLisbon, Portugal
Port of returnBarry, United Kingdom
Objectives1. To recover current meter moorings deployed from Discovery during Cruise 169 off the southwest slope of Porcupine Bank.
2. To make CTD-Transmissometer stations to look for the presence of a nepheloid layer observed on Discovery Cruise 169.
3. To test the IOS MK IV Precision Echo Sounder.
4. To collect seawater for the Standard Seawater Service.
Chief scientistStephen A Thorpe (University of Southampton Department of Oceanography)
Cruise reportRRS Discovery D173 cruise report d173.pdf — access key 'C' (0.47 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
SpecificAtlantic, West of Ireland (Porcupine Bank)
Track chartsRRS Discovery D173 cruise track — d173track.pdf (0.06 MB) 
Physical oceanography 
BathythermographQuantity: number of profiles = 10
CTD stationsQuantity: number of stations = 11
Description: includes transmittance
Transparency (eg transmissometer)Quantity: number of stations = 11
Description: includes transmittance
Current metersQuantity: number of recoveries = 13
Description: recovered only;255 days
Chemical oceanography 
Other chemical oceanographic measurementsQuantity: number of samples = 105
Biology and fisheries 
Other biological/fisheries measurementQuantity: number of samples = 60
Description: samples of plankton for ketone analysis
Geology and geophysics 
Single-beam echosoundingQuantity: track kilometres = 1850
Description: 8 days