Cruise inventory

FRV Clupea 0792C

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Clupea (74CU)
Cruise identifier0792C
Cruise period1992-04-30 — 1992-05-06
StatusCompleted
Port of departureArdrossan, United Kingdom
Port of returnArdrossan, United Kingdom
PurposeResearch
Objectives1. To collect seawater samples from the Garroch Head sewage sludge disposal site, and from areas adjacent to the disposal site, for microbiological analysis.
2. To collect seawater samples from the Garroch Head sewage sludge disposal site, and from areas adjacent to the disposal site, for measurement of suspended solids.
3. To undertake an echosounder survey, supplemented by transmissometer profiles; before, during and following a sewage sludge dumping operation.
4. To collect seabed sediment samples from the Garroch Head sewage sludge disposal site, from areas adjacent to the disposal site and from the sewage sludge disposal site prior to 1974, for microbiological analysis.
5. To collect seabed sediment samples from the Garroch Head sewage disposal site, from areas adjacent to the disposal site and from the the sewage sludge disposal site used prior to 1974, for chemical analysis in the Marine Laboratory, Aberdeen.
6. To undertake a trawl survey at, and in the vicinity of, the Garroch Head sewage sludge disposal site, to collect samples of representative species for chemical analysis in the Marine Laboratory, Aberdeen.
Chief scientistDerek Saward (Scottish Office Agriculture and Fisheries Department Aberdeen Marine Laboratory)
Cruise reportFRV Clupea 0792C cruise report cl7_92.pdf — access key 'C' (0.09 MB) 
Ocean/sea areas 
GeneralInner Seas off the West Coast of Scotland
SpecificFirth of Clyde, Garroch Head
Track chartsFRV Clupea 0792C cruise track — trk3883.html
Measurements 
Physical oceanography 
Transparency (eg transmissometer)
Contamination 
Suspended matterQuantity: number of stations = 20
Trace metals
Chlorinated hydrocarbons
Contaminants in organismsQuantity: number of hauls = 9
Description: trawls
Biology and fisheries 
Benthic bacteria/micro-organisms
Demersal fishQuantity: number of hauls = 9
CrustaceansQuantity: number of hauls = 9
Description: using BT116 trawl, with representative samples of Nephrops retained.
Geology and geophysics 
GrabQuantity: number of samples = 46
Description: day grab
Core - soft bottomQuantity: number of cores = 22