RRS John Murray JM7/81
Cruise summary report
|Ship name (ship code)||RRS John Murray (74MJ)|
|Cruise period||1981-06-13 — 1981-06-24|
|Port of departure||Immingham, United Kingdom|
|Port of return||Dundee, United Kingdom|
|Objectives||1) To recover 24 moorings previously deployed during cruise 5/81.
2) To carry out a CTD and surface water sampling survey.
3) Redeploy one mooring adjacent to the Haisborough light vessel.
4) Evaluate the performance of a new surface marker buoy, a side scan sensor to aid rig recovery, and an overside sensor pack for surface water sampling.
|Chief scientist||Alan J Harrison (Institute of Oceanographic Sciences Bidston Laboratory)|
|Cruise report||(1.22 MB)|
|Specific||UK coastal waters|
|Surface measurements underway (T,S)||Quantity: activity duration in days = 12|
|CTD stations||Quantity: number of stations = 100|
|Current meters||Description: 24 c.m.;12 days|
|Sea level (inc. bot. press., inverted echosounder)||Quantity: activity duration in days = 12|
|Biology and fisheries|
|Gear research||Description: acoustic trials, sidescan sonar tests, new overside sensor pack tested.|