British Geological Survey (BGS) Geophysical Survey 1981/4: Northern North Sea (26/07/1981 to 16/08/1981)

Report: Brett, CP. 1981. Cruise Report on Project 81/04. A Regional Geophysical Survey in the Northern North Sea. (IGS Report No 120) The primary objectives were to survey the Fladen sheet area of the IGS 1:250000 map series and to run seven north-south lines to complete the coverage of the Forties and Cod shhet areas. A secondary objective was to complete a gravity survey.

Date (Publication): 1981-08-16

Citation identifier: British Geological Survey / BGS_CMD_REF194

Point of contact

Organisation name	Individual name	Electronic mail address	Role
British Geological Survey (BGS)		enquiries@bgs.ac.uk	Custodian
British Geological Survey (BGS)		offshoredata@bgs.ac.uk	Originator

Maintenance and update frequency: Not planned

Keywords

NDGO0001

GEMET - INSPIRE themes, version 1.0

Geology

SeaVoX Vertical Co-ordinate Coverages (L131)

SeaDataNet Parameter Discovery Vocabulary (P021)

Access constraints: Other restrictions

Access constraints: No restrictions, a copyright acknowledgement is required and permission from any third party for the release of the data has been obtained. Inclusion of any third party data will determine the copyright acknowledgement that needs to be made.

Use constraints: Other restrictions

Other constraints: The copyright of materials derived from the British Geological Survey's work is vested in the Natural Environment Research Council [NERC]. No part of this work may be reproduced or transmitted in any form or by any means, or stored in a retrieval system of any nature, without the prior permission of the copyright holder, via the BGS Intellectual Property Rights Manager. Use by customers of information provided by the BGS, is at the customer's own risk. In view of the disparate sources of information at BGS's disposal, including such material donated to BGS, that BGS accepts in good faith as being accurate, the Natural Environment Research Council (NERC) gives no warranty, expressed or implied, as to the quality or accuracy of the information supplied, or to the information's suitability for any use. NERC/BGS accepts no liability whatever in respect of loss, damage, injury or other occurence however caused.

Use limitation: unrestricted use, copyright acknowledgement - 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]"

Spatial representation type: Grid

Distance: 5 urn:ogc:def:uom:EPSG::9001

Language: English

Topic category

Geoscientific information

Geographic identifier: Tyne-Tees
BGS Gazetteer 2025-05-08 revision

Geographic identifier: California
BGS Gazetteer 2025-05-08 revision

Geographic identifier: Silver Well
BGS Gazetteer 2025-05-08 revision

Geographic identifier: Farne
BGS Gazetteer 2025-05-08 revision

Geographic identifier: Swallow Hole
BGS Gazetteer 2025-05-08 revision

Geographic identifier: Devil's Hole
BGS Gazetteer 2025-05-08 revision

Geographic identifier: Fisher
BGS Gazetteer 2025-05-08 revision

Geographic identifier: Peterhead
BGS Gazetteer 2025-05-08 revision

Geographic identifier: Forties
BGS Gazetteer 2025-05-08 revision

Geographic identifier: Cod
BGS Gazetteer 2025-05-08 revision

Geographic identifier: Bosies Bank
BGS Gazetteer 2025-05-08 revision

Geographic identifier: Fladen
BGS Gazetteer 2025-05-08 revision

Geographic identifier: Ling Bank
BGS Gazetteer 2025-05-08 revision

Geographic identifier: Fair Isle
BGS Gazetteer 2025-05-08 revision

Geographic identifier: Bressay Bank
BGS Gazetteer 2025-05-08 revision

Geographic identifier: Southern North Sea
Charting Progress 2: Regional Sea Boundaries 2009-06-18 creation

Geographic identifier: Northern North Sea
Charting Progress 2: Regional Sea Boundaries 2009-06-18 creation

Geographic identifier: NORTH SEA
The SeaVoX Salt and Fresh Water Body Gazetteer: Sub-Ocean Category 1954-01-01 creation

Begin date: 1981-07-26

End date: 1981-08-16

Reference system identifier: OGP / urn:ogc:def:crs:EPSG::4326
www.epsg.org 2005 revision

Distribution format

Distributor contact

Organisation name	Individual name	Electronic mail address	Role
British Geological Survey (BGS)		enquiries@bgs.ac.uk	Distributor

OnLine resource

Protocol	Linkage	Name
HTTP	http://mapapps2.bgs.ac.uk/geoindex_offshore/home.html?cruise=1981/4	BGS Offshore Geoindex

Hierarchy level: Dataset

Conformance result

Title: INSPIRE Implementing rules laying down technical arrangements for the interoperability and harmonisation of unknown theme

Date (Publication): 2011

Explanation: See the referenced specification

Pass: No

Statement: Geophysical equipment types used included: Airgun/Sleeve Gun, Deep Tow Boomer, Echo Sounder, Gravimeter, Magnetometer, Pinger, Sidescan Sonar and Sparker. The survey was undertaken by British Geological Survey. Navigation: Magnavox satellite navigation system integrated with MX610 doppler sonar and Arma Brown Mk I Mod 5 gyro compass. Dacca Mk 21 main chain receiver - optional integration with above. Equipment: Bolt 600B air gun, two guns with standard (1-40 cu.in.) range of chamber sizes, Krohn-hite bandpass filter, TSS Model 307 TVG amplifier and display on an EPC 3200 graphic recorder, Geomecanique hydrophone system. Huntec deep tow boomer system with controlled winch, Krohn-hite bandpass filter and display on an EPC 3200 graphic recorder. 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. Varian proton magnetometer, cycling controlled by seismic control to eliminate sparker interference. Edo Western 248 pinger, 3.5KHz, 10KW transducer in tow fish assembly. Used with TSS Model 302 swell filter, display on an EPC 3200 graphic recorder. EG&G sparker system, with up to 5kJ capability. One 3-element and one 9-element spark array, Krohn-hite bandpass filter, TSS Model 307 TVG amplifier, TSS Mobel 302 swell filter and display on an EPC 4600 or EPC 3200 graphic recorder, Teledyne hydrophone system. UDI AS350 dual channel side scan sonar system with catamaran tow fish, 2500ft tow cable and remote controlled winch. Display on an EPC 3200 graphic recorder and firing sequence controlled by the seismic control system. Kelvin Hughes MS47 transit sonar with hull mounted, 2 off - one port and one starboard scanning. Modified for dual operation and display on an EPC 3200 recorder. Firing sequence controlled by seismic system. For more detailed information see the Cruise Report.

Metadata

File identifier: abc9f747-53c3-0f38-e044-0003ba9b0d98 XML

Metadata language: English

Hierarchy level: Dataset

Date stamp: 2025-05-08

Metadata standard name: MEDIN Discovery Metadata Standard

Metadata standard version: Version 2.3.5

Metadata author

Organisation name	Individual name	Electronic mail address	Role
British Geological Survey (BGS)		enquiries@bgs.ac.uk	Point of contact

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