Cruise inventory

RV Edward Forbes 9/76

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Edward Forbes (74EF)
Cruise identifier9/76
Cruise period1976-05-11 — 1976-05-24
StatusCompleted
Port of departureBarry, United Kingdom
Port of returnBarry, United Kingdom
PurposeResearch
ObjectivesTo carry out a close line bathymetric survey of the Port of London Authority trial dredged channel at Longsand Head in conjunction with a side scan sonar mosaic. The stability of the PLA HiFix chain was to be monitored using the Decca Tracer Buoy. Grab samples were to be taken in the dredged channel in predetermined positions.
To carry out a close line bathymetric survey in conjunction with a side sonar mosaic on the Sandettie Bank. (abandoned due to bad weather).
To evaluate the performance of HiFix 6 operating on the S Rijnmond chain.
To evaluate the performance of a single IOS (Wormley) accelerometer as a 'Heave' recorder.
To determine the presence of an sedimentary features off Totland Pier (Isle of Wight), the National Physical Laboratory rig in Christchurch Bay and Bournemouth Pier using side scan sonar.
To carry out a repeat side scan sonar survey on the Skerries Bank in Start Bay and lift three transponder rigs and a current meter frame.
Chief scientistPeter M Hooper (Institute of Oceanographic Sciences Taunton)
Cruise reportRV Edward Forbes 9/76 cruise report edward_forbes9_76.pdf — access key 'C' (0.20 MB)  RV Edward Forbes 9/76 cruise report edward_forbes9_76andjohn_murray15_76.pdf (0.21 MB) 
Ocean/sea areas 
GeneralEnglish Channel
SpecificOuter Thames Estuary, English Channel
Track chartsRV Edward Forbes 9/76 cruise track — trk2106.html
Measurements 
Physical oceanography 
Current metersQuantity: 1
Description: 30 days
Geology and geophysics 
GrabQuantity: number of samples = 20
Single-beam echosoundingQuantity: 70
Long/short range side scan sonarQuantity: number of hauls = 40