FRV Clupea 0690C_2
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | FRV Clupea (74CU) |
| Cruise identifier | 0690C_2 |
| Cruise period | 1990-05-23 — 1990-06-01 |
| Status | Completed |
| Port of departure | Ardrossan, United Kingdom |
| Port of return | Kyle of Lochalsh, United Kingdom |
| Purpose | Research |
| Objectives | 1. To carry out field trials of a photographic system for investigating the small scale distribution of plankton.
2. To compare the vertical distributions of plankton recorded by the photographic system and ARIES. 3. To compare vertical distributions of plankton recorded by the photographic system and by dual frequency acoustic measurements, over a minimum period of 24h. 4. To carry out an acoustic, chemical, biological and hydrographic survey of the Firth of Lorne and Loch Linnhe. |
| Chief scientist | Mike R Heath (Scottish Office Agriculture and Fisheries Department Aberdeen Marine Laboratory) |
| Cruise report |  (0.08 MB) |
| Ocean/sea areas | |
| General | Inner Seas off the West Coast of Scotland |
| Specific | Loch Linne |
| Track charts |  |
| Measurements | |
| Physical oceanography | |
| Subsurface temperature and salinity measurements | |
| Transparency (eg transmissometer) | |
| Optics (eg underwater light levels) | |
| Other physical oceanographic measurements | Quantity: activity duration in days = 6 Description: fluorescence ss uw |
| Chemical oceanography | |
| Oxygen | |
| Biology and fisheries | |
| Phytoplankton | Description: plankton photography |
| Zooplankton | Description: plankton photography |
| Zooplankton | Quantity: number of hauls = 14 Description: tows aries and mikt |
| Acoustic reflection on marine organisms. | Quantity: activity duration in days = 6 Description: dual frequency |
| Other biological/fisheries measurement | Quantity: activity duration in days = 6 Description: bioluminescence |
