British Geological Survey (BGS) Geophysical Survey 1981/3: Southern North Sea (30/05/1981 to 21/07/1981)

Report: Brett, CP. 1981. Cruise Report on Project 81/03. A Regional Geophysical Survey in the Southern North Sea. (IGS Report No 119) The primary objective was to complete the geophysical survey of the Tyne-Tees, California and Silver Well sheets of the IGS 1:250000 map series in advance of bottom sampling programme.
dataset
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British Geological Survey : BGS_CMD_REF193
English
Geoscientific information
GEMET - INSPIRE themes, version 1.0: SeaVoX Vertical Co-ordinate Coverages (L131): SeaDataNet Parameter Discovery Vocabulary (P021):
Free:
-1.3418, 52.2599, 4.0530, 55.1630
Flemish Bight, Spurn, Tyne-Tees, California, Silver Well, Farne, Swallow Hole, Dogger, Southern North Sea, Northern North Sea, NORTH SEA
publication: 1981-07-21
1981-05-30 - 1981-07-21
grid
British Geological Survey (BGS)
The Lyell Centre, Research Avenue South, Edinburgh, EH14 4AP, UK
tel: +44 (0)131 667 1000
email: enquiries@bgs.ac.uk
Role: custodian
British Geological Survey (BGS)
The Lyell Centre, Research Avenue South, Edinburgh, EH14 4AP, UK
tel: +44 (0)131 667 1000
email: offshoredata@bgs.ac.uk
Role: originator

Data Quality

Geophysical equipment types used included: Airgun/Sleeve Gun, Echo Sounder, Gravimeter, Magnetometer, Pinger, Sidescan Sonar, Sparker, Surface Tow Boomer and Transit Sonar. 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. 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. 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. Edo Western 248 pinger, 3.5 KHz, 10KW transducer in tow fish assembly. Used with TSS Model 302 swell filter, display on EPC graphic recorder. Huntec deep tow boomer system with remote contrilled winch, Krohn-hite bandpass filter and display on an EPC 3200 graphic recorder. For more detailed information see the Cruise Report.
Minimal Distance: 5 urn:ogc:def:uom:EPSG::9001
INSPIRE Implementing rules laying down technical arrangements for the interoperability and harmonisation of unknown theme

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.

Metadata about metadata

abc9f747-53c2-0f38-e044-0003ba9b0d98
British Geological Survey (BGS)
The Lyell Centre, Research Avenue South, Edinburgh, EH14 4AP, UK
tel: +44 (0)131 667 1000
email: enquiries@bgs.ac.uk
Role: point of contact
2024-04-24

Coupled Resource