Cruise inventory

RV Edward Forbes 10/77, 10A/77, 15/77

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Edward Forbes (74EF)
Cruise identifier10/77, 10A/77, 15/77
Cruise period1977-06-25 — 1977-09-23
Port of departureBarry, United Kingdom
Port of returnBarry, United Kingdom
Objectives1. To continue the study of seabed mobility in the Start Bay area using:
(a) Shipborne survey methods.
(b) Diver measurements.
2. To obtain tidal data to the East of the Skerries Bank for the period of month using an IOS (Bidston) offshore tide gauge.
3. To carry out acceptance trials of the Decca Transponder Microwave position fixing system.
4. To obtain tidal stream data in the Bristol Channel for the period of a month using the Marconi current meter system.
5. To continue trials with Rangemaster relative position fixing system.
6. To relay the Start Bay Wave Rider Buoy.
7. To relay the Eddystone Wave Rider Buoy.
8. To carry out drilling rig site surveys in the English Channel on behalf of the Institute of Geological Sciences (Leeds).
Chief scientistD Nicholas Langhorne (Institute of Oceanographic Sciences Taunton)
Cruise reportRV Edward Forbes 10/77, 10A/77, 15/77 cruise report edward_forbes10and10aand15_77.pdf — access key 'C' (0.47 MB) 
Ocean/sea areas 
GeneralEnglish Channel
Bristol Channel
Physical oceanography 
Water bottle stationsQuantity: number of stations = 10
Description: bottom only
Current metersQuantity: 1
Description: 30 days
Sea level (inc. bot. press., inverted echosounder)Description: continuous
Other meteorological measurementsDescription: sea and swell continuous
Geology and geophysics 
In-situ seafloor measurement/samplingQuantity: 40
Description: sampling by divers;30 on seabed
Single-beam echosoundingQuantity: 80
Long/short range side scan sonarQuantity: number of hauls = 50
Other geological/geophysical measurementsQuantity: 10
Description: physical analysis of sediments