https://ogcapi.bgs.ac.uk/collections/offshore-survey-overview/items/36
type: Place
id: 36.0
prev: 35.0
next: 37.0
contractor: British Geological Survey
start date est: Estimated
cruise area: CP2 Regional Sea Boundaries: Western Channel & Celtic Sea, Offshore 1:250k: Bristol Channel, Cork, Haig Fras, Labadie Bank, Lands End, Lundy, Nymphe Bank, SeaVoX Sub-Ocean: BRISTOL CHANNEL, CELTIC SEA, NORTHEAST ATLANTIC OCEAN (40W)
end date: 1971-06-07T00:00:00
abstract: Report: Tully, MC. 1971. Bristol Channel Cruise Report for MV Researcher. MGU Project 71/03. (IGS Report No 20) Positioning: Decca Mk12 receiver Echo sounding: ORE sub-bottom profiler was used as an echo sounder Sonar systems: Transit sonar (Kelvin Hughes?). Seismic systems: Sparker system: EG&G sparker system with 263b hydrophone streamer and 254 recorder. Most lines run at 1kJ. Also various multi-electrode sparker units were tested Gravity meter: LaCoste and Romberg gravity meter. Magnetometer: Barringer magnetometer
end date est: Estimated
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)
cruise: 1971/3
nav equip type: Decca Main Chain
accessuse restric: unrestricted use, copyright acknowledgement
restitle: Geophysical Survey 1971/3: Bristol Channel and northern Celtic Sea (14/05/1971 to 07/06/1971)
geophys equip type: Gravimeter, Magnetometer, Pinger, Sparker, Transit Sonar
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: MV Researcher
terms of use url: http://nationalarchives.gov.uk/doc/open-government-licence/version/3/
client: British Geological Survey
start date: 1971-05-14T00:00:00
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