FRV Scotia 1199S
Cruise summary report
|Ship name (ship code)||FRV Scotia (748S)|
|Cruise period||1999-07-01 — 1999-07-24|
|Port of departure||Aberdeen, United Kingdom|
|Port of return||Aberdeen, United Kingdom|
|Objectives||1. To participate in an ICES-coordinated acoustic and mid-water trawling survey in the north western North Sea and North of Scotland between 58º to 62ºN 4º 30'W to 2ºE excluding Norwegian and Faroes waters.
2. To obtain samples of herring for biological analysis, including age, length, weight, sex, maturity and ichthyophonus infection.
3. To obtain thermosalinograph recordings of surface temperature and salinity throughout the survey area. CTD (and XBT) profiles of temperature and salinity at depth for analysis with herring distributions.
4. To obtain measurements of herring density using autosub.
5. To carry out an acoustic intercalibration with RV Tridens.
|Chief scientist||Edmund John Simmonds (Fisheries Research Services Aberdeen Marine Laboratory)|
|Cruise report||(0.21 MB)|
North East Atlantic Ocean (limit 40W)
|Specific||North western North Sea, Orkney, Shetland and north of Scotland|
|Track charts||(0.05 MB)|
|Surface measurements underway (T,S)||Quantity: activity duration in days = 23|
Description: continuous surface temperature and sailinity
|Bathythermograph||Quantity: number of stations = 35|
|CTD stations||Quantity: number of stations = 50|
|Biology and fisheries|
|Pelagic fish||Quantity: number of hauls = 39|
Description: Trawl hauls, Herring length, frequency, weight sex, maturity, otolith and microscopic evidence of ichthyophonus infections.
|Geology and geophysics|
|Single-beam echosounding||Quantity: data volume in gigabytes = .8|
Description: Megabytes, Single beam echosounder data at 35 and 120 kHz from a simrad EK500 echosounder for comparision with similar data collected on board Autosub.