Sperus 15/79 Leg 2
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | Sperus (74TJ) |
| Cruise identifier | 15/79 Leg 2 |
| Cruise period | 1979-08-20 — 1979-09-04 |
| Status | Completed |
| Port of departure | Fraserburgh, United Kingdom |
| Port of return | Sunderland, United Kingdom |
| Purpose | Research |
| Objectives | Geology
The aim of project 15/79 was completion of regional geophysical coverage of the Bosies Bank sheet, on a grid of NS-EW lines at approximately 10km by 10km spacing. Completed survey of the Bosies Bank sheet with 1870km surveyed. 18 lines surveyed S40 and S75 gravity meters Deep tow boomer, sparker, transit sonar and watergun/airgun were run on all the lines. Pinger results were inferior to the boomer except in good weather. |
| Chief scientist | A Dobinson (Institute of Geological Sciences, Edinburgh) |
| Cruise report |  (9.09 MB) |
| Ocean/sea areas | |
| General | North Sea |
| Measurements | |
| Geology and geophysics | |
| Single-beam echosounding | Quantity: number of surveys = 18 Description: 1870km surveyed |
| Long/short range side scan sonar | Quantity: number of surveys = 18 Description: 1870km surveyed |
| Seismic refraction | Quantity: number of surveys = 18 Description: 1870km surveyed |
| Seismic refraction | Quantity: number of surveys = 6 Description: pinger |
| Seismic refraction | Quantity: number of surveys = 18 Description: sparker;1319nm airgun;1131nm boomer, 1870km surveyed |
| Magnetic measurements | Quantity: number of surveys = 18 Description: 1870km surveyed |
