https://ogcapi.bgs.ac.uk/collections/offshore-survey-overview/items/182
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cruise area: CP2 Regional Sea Boundaries: Northern North Sea, Offshore 1:250k: Bosies Bank, Caithness, Cod, Forties, Marr Bank, Moray-Buchan, Peterhead, Tay-Forth, SeaVoX Sub-Ocean: NORTH SEA
end date: 1980-09-21T00:00:00
abstract: Report: Brett, CP. 1980. Cruise Report on Project 80/11. A Gravity and Magnetic Survey in the Northern North Sea. (IGS Report No 106) Navigation: Magnavox satellite navigation system integrated with MX610/MX600 doppler sonar and Arma Brown Mk I Mod 5 gyro compass. Decca Mk 21 Main Chain - optional integration with above. Equipment: Atlas Deso 10 echo sounder with hull mounted transducers (33 and 210KHz) and Edig 10 digitiser unit. LaCoste & Romberg S75 air-sea gravity meter. World Wide land gravity meter for base ties. Barringer proton magnetometer. The objective was to resurvey the Peterhead and Forties sheets of the IGS 1:250000 map series. The area had been surveyed previously in 1972 (MGU Project 73/04, IGS Report No 34). During the 1972 cruise there were considerable technical problems with the gravity meter and much of the data were of only moderate quality. Since 1972, subsequent surveys in adjacent areas further emphasised the inadequacies of the data and it became apparent that the area needed to be completely resurveyed.
end date est: Estimated
cruise: 1980/11
additional info: For more detailed information on the acquisition equipment and data collection techniques, operational standards, data processing methods and quality control procedures used on this survey see the Report of Survey/Cruise Report and associated documentation where available. The information available may vary depending on the age of the survey. Data are checked and loaded to the BGS Coastal and Marine data management system following BGS marine data management procedures.
confidentiality: unclassified (open file)
nav equip type: Decca Main Chain, Transit satellite
accessuse restric: unrestricted use, copyright acknowledgement
restitle: Geophysical Survey 1980/11: Northern North Sea (10/09/1980 to 21/09/1980)
geophys equip type: Echo Sounder, Gravimeter, Magnetometer
terms of use: Available under the Open Government Licence subject to the following acknowledgement accompanying the reproduced British Geological Survey materials "Contains British Geological Survey materials ©UKRI [year]"
ship: RRS Shackleton
terms of use url: http://nationalarchives.gov.uk/doc/open-government-licence/version/3/
client: British Geological Survey
start date: 1980-09-10T00:00:00
contractor: British Geological Survey
start date est: Estimated
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