Cruise inventory

RRS Discovery D193

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Discovery (74E3)
Cruise identifierD193
Cruise period1990-06-30 — 1990-08-01
Port of departureBarry, United Kingdom
Port of returnBarry, United Kingdom
Objectives1. To deploy 7 long term moorings on the Spanish Slope.
2. To deploy 1 deep mooring on East Thulean Rise.
3. To deploy 2 short term moorings on the Amorican shelf and 2 deep complex moorings in the Bay of Biscay.
4. To deploy STABLE and 2 bottom mounted ADCP's near the critical point for internal tides on the Amorican slopes.
5. To deploy a number of drogued Argos drifting buoys, some in mesoscale eddies.
6. To measure the productivity of shelf, slope and oceanic waters.
7. To investigate the propagation of internal tides and mixing using ADCP, SeaSoar, Echo Sounders and ship's radar.
Chief scientistRobin D Pingree (Plymouth Marine Laboratory)
Cruise reportRRS Discovery D193 cruise report d193.pdf — access key 'C' (1.48 MB) 
Ocean/sea areas 
GeneralBay of Biscay
North East Atlantic Ocean (limit 40W)
SpecificNE Atlantic
Track chartsRRS Discovery D193 cruise track — trk3595.html
Physical oceanography 
Surface measurements underway (T,S)Quantity: track kilometres = 7408
Surface measurements underway (T,S)Quantity: number of measurements = 18
Description: temperature measurements
Surface measurements underway (T,S)Quantity: number of samples = 76
Description: salinity samples
CTD stationsQuantity: number of profiles = 53
Subsurface temperature and salinity measurementsQuantity: activity duration in hours = 132
Description: SeaSoar
Transparency (eg transmissometer)Quantity: track kilometres = 7408
Current metersQuantity: number of deployments = 43
Description: current meters deployed
Current metersQuantity: number of recoveries = 20
Description: current meters recovered, average duration of measurement 20 days
Current profiler (eg ADCP)Quantity: number of stations = 3
Description: bottom mounted ADCP
Current profiler (eg ADCP)Quantity: track kilometres = 7408
Description: Shipboard ADCP
Chemical oceanography 
NitrateQuantity: track kilometres = 7408
NitriteQuantity: track kilometres = 7408
Biology and fisheries 
Primary productivityQuantity: number of experiments = 5
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: track kilometres = 7408
Description: fluorescence
Geology and geophysics 
GrabQuantity: number of samples = 10
Bottom photographyQuantity: number of deployments = 1
Other geological/geophysical measurementsQuantity: number of deployments = 1
Description: STABLE