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RV Calanus Autosub Science Missions Trials Cruise
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RV Calanus (745R) |
| Cruise identifier | Autosub Science Missions Trials Cruise |
| Cruise period | 1999-04-15 — 1999-05-07 |
| Status | Completed |
| Port of departure | Dunstaffnage, United Kingdom |
| Port of return | Dunstaffnage, United Kingdom |
| Purpose | Trials |
| Objectives | Daily instrument and systems trials of the Autosub vehicle in preparation for experiments within the Autosub Science Missions Thematic Programme (NERC). Special objectives included:
1) Trials of a launch and recovery gantry for the AUV. 2) Trials of a sidescan sonar for near-surface bubble studies, with trials of an associated turbulence probe. 3) Trials of an EK500 scientific echo-sounder mounted within the AUV. |
| Chief scientist | Nick Millard (Southampton Oceanography Centre) |
| Project | Autosub Science Missions Thematic Programme |
| Coordinating body | NERC, UK |
| Ocean/sea areas | |
| General | Inner Seas off the West Coast of Scotland |
| Specific | Loch Linnhe and the Lynn of Morven |
| Measurements | |
| Physical oceanography | |
| Subsurface temperature and salinity measurements | Quantity: number of dives = 33 Description: From CTD and other sensors on the Autosub-1 AUV. Also engineering performance data. |
| Current profiler (eg ADCP) | Quantity: number of dives = 33 Description: From CTD and other sensors on the Autosub-1 AUV. Also engineering performance data. |
| Other physical oceanographic measurements | Quantity: number of dives = 33 Description: From CTD and other sensors on the Autosub-1 AUV. Also engineering performance data. |
| Other physical oceanographic measurements | Quantity: number of dives = 10 Description: Direct turbulence measurements using an Aerofoil probe and temperature microstructure. |
| Other physical oceanographic measurements | Quantity: number of dives = 10 Description: Upward-looking sidescan sonar measurements near the sea surface for studies of turbulence and Langmuir circulation. |
| Biology and fisheries | |
| Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: number of dives = 33 Description: From CTD and other sensors on the Autosub-1 AUV. Also engineering performance data. |
| Acoustic reflection on marine organisms. | Quantity: number of dives = 5 Description: Trials of an EK500 38/120 kHz scientific echo-sounder within the AUV in preparation for use on a herring survey. |
