Cruise inventory

RV Corella 6/71

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Corella (74CX)
Cruise identifier6/71
Cruise period1971-03-25 — 1971-04-02
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
Objectives1. To carry out a survey of fish eggs and larvae in the Southern North Sea
and Flamborough area.
2. To monitor transparency, chlorophyll A and temperature continuously in
the sea surface water
3. To collect surface salinity samples on each sampling station.
4. To measure temperatures and total illumination at different depths on
selected stations.
5. To collect chlorophyll samples for spectrophotometric examination.
6. To release Woodhead seabed drifters at selected points in the Southern
North Sea and Flamborough areas.
7. To do an echo survey along the ships track for fish traces.
8. To count flagellates at certain stations.
Chief scientistN Reynolds (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Corella 6/71 cruise report corella06_71.pdf — access key 'C' (0.11 MB) 
Ocean/sea areas 
GeneralNorth Sea
Physical oceanography 
BathythermographQuantity: number of deployments = 32
Description: mechanical
Water bottle stationsDescription: T surface only
CTD stationsQuantity: number of stations = 180
Transparency (eg transmissometer)Description: continuous
Surface drifters/drifting buoysQuantity: number of deployments = 1192
Description: bottom drifters
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Description: chlorophyll a cont.
PhytoplanktonQuantity: number of stations = 132
ZooplanktonQuantity: number of stations = 132
Eggs and larvaeQuantity: number of stations = 132
Pelagic bacteria/micro-organisms
Occasional standard measurements
Other meteorological measurementsDescription: sea and swell