Planned maintenance — 18th January 2018 12:00 to 22nd January 2018 09:00 [more]

Cruise inventory

RRS Discovery D48_1

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Discovery (74E3)
Cruise identifierD48_1
Cruise period1972-07-12 — 1972-07-30
Port of departureBarry, United Kingdom
Port of returnSanta Cruz de Tenerife, Spain
ObjectivesThe primary objective was a study of the physical and chemical processes in a region of coastal upwelling off North-west Africa combined with a biological sampling programme in the same area.

Laying a recording tide gauge to obtain a month's record on the Josephine Bank, studying atmospheric haze using nephelometer measurements and obtaining some deep sea cores in the Canaries Basin.
Chief scientistKenneth F Bowden (University of Liverpool Department of Oceanography)
Cruise reportRRS Discovery D48_1 cruise report d48.pdf — access key 'C' (0.64 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
SpecificNW African coast from Cap Blanc to Cabo Bojador
Track chartsRRS Discovery D48_1 cruise track — d48track.pdf (0.01 MB) 
Physical oceanography 
CTD stationsQuantity: number of stations = 54
Description: Bissett Berman STD system type 9006
Sea level (inc. bot. press., inverted echosounder)
Chemical oceanography 
OxygenQuantity: 54
PhosphateQuantity: 54
NitrateQuantity: 54
SilicateQuantity: 54
Trace elementsQuantity: 22
Biology and fisheries 
Primary productivityQuantity: 50
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: 187
Particulate organic matter (inc POC, PON)Quantity: number of stations = 107
ZooplanktonQuantity: 20
NeustonQuantity: 15
ZoobenthosQuantity: 21
Occasional standard measurements
Geology and geophysics 
Core - soft bottomQuantity: number of cores = 1
Description: chemical analysis