Cruise inventory

RRS Discovery D3_3

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Discovery (74E3)
Cruise identifierD3_3
Cruise period1964-04-10 — 1964-05-08
StatusCompleted
Port of departurePort Louis, Mauritius
Port of returnCochin, India
PurposeResearch
ObjectivesTo complete its part of the UK contribution to the International Indian Ocean Expedition, Discovery occupied 291 water sampling stations in the Indian Ocean in 154 days at sea.
Chief scientistJohn C Swallow (National Institute of Oceanography)
ProjectInternational Indian Ocean Expedition
Cruise reportRRS Discovery D3_3 cruise report d3.pdf — access key 'C' (0.63 MB) 
Ocean/sea areas 
GeneralIndian Ocean
Track chartsRRS Discovery D3_3 cruise track — d3track.pdf (0.68 MB) 
Measurements 
Physical oceanography 
BathythermographDescription: hourly dips
Water bottle stationsQuantity: number of stations = 51
Description: 29 to the bottom
Current metersQuantity: number of profiles = 71
Description: current-shear
Neutrally buoyant floatsQuantity: number of deployments = 14
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of profiles = 20
Description: chlorophyll
PhytoplanktonQuantity: number of hauls = 48
Description: 15 Indian Ocean Standard net hauls; 16 series of vertical net hauls; 17 fine net mesh hauls
ZooplanktonQuantity: number of hauls = 48
Description: 15 Indian Ocean Standard net hauls; 16 series of vertical net hauls; 17 fine net mesh hauls
NeustonQuantity: number of hauls = 32
Description: Neuston net tows
Pelagic fishQuantity: number of hauls = 9
Description: Isaacs-Kidd trawl
Meteorology 
Occasional standard measurementsDescription: continuous records maintained
Geology and geophysics 
Single-beam echosoundingDescription: continuous records maintained