FRV Clupea 1797C
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | FRV Clupea (74CU) |
| Cruise identifier | 1797C |
| Cruise period | 1997-10-07 — 1997-10-17 |
| Status | Completed |
| Port of departure | Ardrossan, United Kingdom |
| Port of return | Ardrossan, United Kingdom |
| Purpose | Research |
| Objectives | 1. To deploy the RESON SEABET scanning sonar system on a pole alongside Clupea looking at 45º to vertical and perpendicular to the line of the vessel.
2. To obtain acoustic data on fish schools using the RESON system to compare with data collected synchronously in the vertical aspect using the EK 500 echosounder and a portable BIOSONICS dual beam echosounder. 3. To obtain biological samples from observed fish schools by trawling. |
| Chief scientist | Philip J Copland (Fisheries Research Services Aberdeen Marine Laboratory) |
| Cruise report |  (0.05 MB) |
| Ocean/sea areas | |
| General | Inner Seas off the West Coast of Scotland |
| Specific | Clyde estuary |
| Measurements | |
| Biology and fisheries | |
| Acoustic reflection on marine organisms. | Description: RESON SEABAT scanning sonar system to obtain acoustic data on fish schools. |
| Geology and geophysics | |
| Single-beam echosounding | Description: SIMRAD EK 500 echosounder. |
| Multi-beam echosounding | Description: BIOSONICS dual beam echosounder. |
