RV Edward Forbes 10/77, 10A/77, 15/77
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RV Edward Forbes (74EF) |
| Cruise identifier | 10/77, 10A/77, 15/77 |
| Cruise period | 1977-06-25 — 1977-09-23 |
| Status | Completed |
| Port of departure | Barry, United Kingdom |
| Port of return | Barry, United Kingdom |
| Purpose | Research |
| Objectives | 1. 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 scientist | D Nicholas Langhorne (Institute of Oceanographic Sciences Taunton) |
| Cruise report |  (0.47 MB) |
| Ocean/sea areas | |
| General | English Channel Bristol Channel |
| Measurements | |
| Physical oceanography | |
| Water bottle stations | Quantity: number of stations = 10 Description: bottom only |
| Current meters | Quantity: 1 Description: 30 days |
| Sea level (inc. bot. press., inverted echosounder) | Description: continuous |
| Meteorology | |
| Other meteorological measurements | Description: sea and swell continuous |
| Geology and geophysics | |
| In-situ seafloor measurement/sampling | Quantity: 40 Description: sampling by divers;30 on seabed |
| Single-beam echosounding | Quantity: 80 |
| Long/short range side scan sonar | Quantity: number of hauls = 50 |
| Other geological/geophysical measurements | Quantity: 10 Description: physical analysis of sediments |
