British Geological Survey (BGS) Geophysical Survey 1983/6: Southern North Sea (31/08/1983 to 18/09/1983)
Report: Brett, CP. 1984. Operations Report on Project 83/06. A Regional Geophysical Survey in the Southern North Sea. (IGS Report No 139). The primary objective was to survey areas of the Thames Estuary and Ostend sheets of the BGS 1:250,000 map series.
dataset
http://mapapps2.bgs.ac.uk/geoindex_offshore/home.html?cruise=1983/6
protocol: HTTP
name: BGS Offshore Geoindex
description: GeoIndex allows users to search for information about BGS data collections covering the UK and other areas world wide. Access is free, the interface is easy to use, and it has been developed to enable users to check coverage of different types of data and find out some background information about the data. More detailed information can be obtained by further enquiry through the website.
function: search
BGS_CMD_REF210
British Geological Survey
eng
OGP
urn:ogc:def:crs:EPSG::4326
geoscientificInformation
publication
2008-06-01
revision
2010-05-18
revision
2011-07-27
1.3906
2.7564
52.3124
51.0824
revision
2025-01-11
Thames Estuary
revision
2025-01-11
Ostend
revision
2025-01-11
East Anglia
revision
2025-01-11
Flemish Bight
creation
2009-06-18
Eastern Channel
creation
2009-06-18
Southern North Sea
creation
1954-01-01
DOVER STRAIT
creation
1954-01-01
NORTH SEA
1983-08-31
1983-09-18
publication
1983-09-18
notPlanned
Geophysical equipment types used included: Airgun/Sleeve Gun, Deep Tow Sparker, Echo Sounder, Gravimeter, Magnetometer, Pinger, Sparker and Surface Tow Boomer. The survey was undertaken by British Geological Survey. Navigation: Magnavox satellite navigation system integrated with MX610 doppler sonar and Arma Brown Mk1 Mod 5 or Mk 1C gyro compass. Decca Mk21 main chain receiver - optional integration with above. Mk 21 lat-lon convertor. Equipment: Bolt 600B four guns with standard (1-40 cu.in.) range of chamber sizes, wave shape kits for 40 cu.in., BGS firing delay unit for synchronisation, Kemo bandpass filter, TSS 307 TVG amplifier and display on an EPC 4600 or EPC 3200 graphic recorder. Geomecanique 2 channel, 30m hydrophone system. Containerised Compare Reavell VHP 36 compressor system. Huntec deep tow boomer/sparker system with remote controlled winch, adaptive processing unit, Krohn-hite bandpass filter and display on EPC 3200 graphic recorder. Teledyne 7 channel, 10m hydrophone system. EG&G Surface tow boomer. Kemo bandpass filter, TSS 307 TVG amplifier, TSS 302 swell filter and display on EPC 3200 graphic recorder. Teledyne 7 channel, 10m hydrophone system. Atlas Deso 10 echo sounder with hull mounted transducers (33 and 210kHz) and Edig 10 digitiser unit. 33kHz channel with selectable 7 or 19 element transducer for deep water operation. LaCoste and Romberg S75 air-sea gravity meter. Worden land gravity meter for base ties. Barringer proton magnetometer - two tow cable sensor assemblies. Cycling controlled by seismic control system to eliminate sparker interference. Edo Western 248 pinger, 3.5/7.0kHz, 10 kW, towed fish transducer. Used with TSS 302 swell filter, display on EPC 3200 graphic recorder. EG&G surface sparker system - up to 2KJ capability. One 3-element and one 9-element spark array, Kemo bandpass filter, TSS 307 TVG amplifier, TSS 302 swell filter and display on EPC 4600 or EPC 3200 graphic recorder. Teledyne 7 channel, 10m hydrophone system. For more detailed information see the Cruise Report.
publication
2011
false
See the referenced specification
unrestricted use, copyright acknowledgement - Varying conditions apply
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.
British Geological Survey (BGS)
The Lyell Centre, Research Avenue South
Edinburgh
EH14 4AP
UK
+44 (0)131 667 1000
+44 (0)131 668 4140
custodian
British Geological Survey (BGS)
The Lyell Centre, Research Avenue South
Edinburgh
EH14 4AP
UK
+44 (0)131 667 1000
+44 (0)131 668 4140
originator
British Geological Survey (BGS)
The Lyell Centre, Research Avenue South
Edinburgh
EH14 4AP
UK
+44 (0)131 667 1000
+44 (0)131 668 4140
pointOfContact
2025-01-11