Cruise inventory

FRV Explorer 7/73

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Explorer (74EX)
Cruise identifier7/73
Cruise period1973-08-09 — 1973-08-13
StatusCompleted
Port of departureAberdeen, United Kingdom
Port of returnAberdeen, United Kingdom
PurposeResearch
Objectives1) To collect baseline data on hydrocarbons in selected components of the ecosystem in the region of the North Sea oil fields
2) To collect water and plankton samples for PCB analysis (Mr Holden)
3) To collect nutrient-free seawater (Mr Burns)
4) Operations for surface film, subsurface water and zooplankton from the upper water were done whenever possible from a small boat at least 200 m clear of the ship
5) Water and sediment samples were collected in duplicate at selected stations for intercalibration work with Norway
Chief scientistAlasdair D McIntyre (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Explorer 7/73 cruise report explorer7_73.pdf — access key 'C' (0.09 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificForties area, Ekofisk, Eldfisk, Auk, Montrose, Piper and Beryl fields
Measurements 
Chemical oceanography 
Other chemical oceanographic measurementsQuantity: number of stations = 14
Description: Montrose surface film, subsurface water from 3 m depth
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of stations = 14
Description: chlorophyll from 3 m depth from the non-toxic seawater supply
Particulate organic matter (inc POC, PON)Quantity: number of stations = 14
Description: from 3 m depth from the non-toxic seawater supply
ZooplanktonQuantity: number of stations = 14
Description: zooplankton and water samples for PCB analysis
Geology and geophysics 
Other geological/geophysical measurementsQuantity: number of stations = 14
Description: chemical analysis of sediments from the S.M grab and Moore-Neil corer