FRV Scotia 1002S

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Scotia (748S)
Cruise identifier1002S
Cruise period2002-06-27 — 2002-07-17
Port of departureAberdeen, United Kingdom
Port of returnAberdeen, United Kingdom
Objectives1. To conduct an acoustic survey to estimate the abundance and distribution of herring in the north-western North Sea and north of Scotland between 58° -61.45'N and 4° W to 2° E, excluding Norwegian and Faroese waters.
2. To obtain echosounder trace identification using pelagic trawl.
3. To obtain samples of herring for biological analysis, including age, length, weight, sex, maturity and ichthyophonus infection.
4. To obtain samples of herring for genetic analysis.
5. To obtain photographic records for fish maturity analysis.
6. To obtain hydrographic data for comparison with the horizontal and vertical distribution of herring.
7. To obtain plankton samples for acoustic identification work.
Chief scientistEdmund John Simmonds (Fisheries Research Services Aberdeen Marine Laboratory)
ProjectICES Co-ordinated Acoustic Survey
Coordinating bodyICES PGHERS
Cruise reportFRV Scotia 1002S cruise report sc10_02.pdf (0.15 MB) 
Ocean/sea areas 
GeneralNorth Sea
North East Atlantic Ocean (limit 40W)
SpecificNorthwestern North Sea, Orkney and Shetland
Track chartsFRV Scotia 1002S cruise track — sc10_02track.pdf (0.02 MB) 
Physical oceanography 
Water bottle stationsQuantity: number of stations = 18
Description: Water bottle a surface and bottom
CTD stationsQuantity: number of stations = 18
Description: CTD surface to bottom casts
Subsurface temperature and salinity measurementsQuantity: activity duration in days = 18
Description: T and S from thermosalinograph for 18 out of 20 days
Biology and fisheries 
ZooplanktonQuantity: number of hauls = 21
Description: 1m ring net surface to bottom vertical sample
Pelagic fishQuantity: number of hauls = 50
Description: Opportunistic pelagic trawls of variable duration
Geology and geophysics 
Single-beam echosoundingQuantity: activity duration in days = 20
Description: 18, 38,120,200 Single or split beam sounder recorded throught the track
Multi-beam echosoundingQuantity: activity duration in days = 20
Description: 95kHz swath recorded throughout the track