| id |
184 |
| cruise |
1980/3
|
| abstract |
Report: Brett, CP. 1980. Cruise report on Project 80/03. A regional geophysical survey in the northern North Sea. (IGS Report No 105)
|
| end_date_est |
Estimated
|
| cruise_alias |
None
|
| additional_info |
Positioning:
Magnavox satellite navigation system integrated with MX610/MX600 doppler sonar and Arma Brown Mk I Mod 5 gyro compass
Decca Mk 21 main chain receiver - optional inegration with the above.
Echo sounding:
Atlas Deso 10 echo sounder with hull mounted transducers (33 and 210 kHz) and Edig 10 digitiser unit
Sonar systems:
Kelvin Hughes MS47 transit sonar - hull mounted, port scanning
UDI AS350 dual channel side-scan sonar with catamaran tow fish
Recording on an EPC 3200 graphic recorder
Seismic systems:
Edo Western 248 pinger: 3.5 kHz, 10kW transducer in tow-fish assembly. Used with TSS Model 302 swell filter. Recording on EPC 4600 graphic recorder
Huntec Deep-tow Boomer: system with remote controlled winch, 2 x Krohn-hite bandpass filters. Huntec ST2 hydrophone. Recording on an EPC 4100 graphic recorder
EG&G sparker system: up to 5kJ capability, one 3-element and 1 5-element spark array. Krohn-hite bandpass filter, TSS Model 307 TVG amplifier. EG&G 263C x2 hydrophones with Teledyne 7 channel (10m) in latter part of the survey). Recording on an EPC 4600 graphic recorder
Air gun system: Bolt 600B, two guns with standard (1-40cubic inch) range of chamber sizes, Krohn-hite bandpass filter, TSS Model 307 TVG amplifier. Geomecanique 30m hydrophone (also a Geomecanique 50m 3 section hydrophone used with the airgun and water gun). Recording on an EPC4600 graphic recorder.
Water gun system: Sodera Mica-T 80 cubic inch gun recording as for the air gun system.
Gravitymeter: LaCoste and Romberg S75 air-sea gravity meter. World Wide land gravity meter used for base ties.
Magnetometer: Barringer proton magnetometer.
For more detailed information see the Cruise Report.
|
| confidentiality |
unclassified (open file)
|
| restitle |
Geophysical Survey 1980/3: UK central North Sea between 56 and 59 degrees N (07/07/1980 to 07/09/1980)
|
| mdfileid_nerc_guid |
abc9f747-53c5-0f38-e044-0003ba9b0d98
|
| nav_equip_type |
Dead reckoning, Decca Main Chain, Transit satellite
|
| accessuse_restric |
unrestricted use, copyright acknowledgement
|
| ship |
RRS Shackleton
|
| geophys_equip_type |
Airgun/Sleeve Gun, Deep Tow Boomer, Echo Sounder, Gravimeter, Magnetometer, Pinger, Sidescan Sonar, Sparker, Transit Sonar, Water Gun
|
| 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]"
|
| client |
British Geological Survey
|
| samp_equip_type |
None
|
| terms_of_use_url |
http://nationalarchives.gov.uk/doc/open-government-licence/version/3/
|
| contractor |
British Geological Survey
|
| start_date |
1980-07-07 00:00:00
|
| cruise_area |
CP2 Regional Sea Boundaries: Northern North Sea, Offshore 1:250k: Borders, Bosies Bank, Caithness, Cod, Devil's Hole, Dogger, Fair Isle, Farne, Fisher, Fladen, Forties, Marr Bank, Moray-Buchan, Peterhead, Swallow Hole, Tay-Forth, SeaVoX Sub-Ocean: NORTH SEA
|
| start_date_est |
Estimated
|
| cruise_data_url |
None
|
| end_date |
1980-09-07 00:00:00
|
