id |
202 |
mdfileid_nerc_guid |
abc9f747-53c1-0f38-e044-0003ba9b0d98
|
cruise_area |
CP2 Regional Sea Boundaries: Northern North Sea, Scottish Continental Shelf, Offshore 1:250k: Bergen Bank, Bosies Bank, Bressay Bank, Caithness, Fair Isle, Fladen, Foula, Halibut Bank, Lewis, Ling Bank, Orkney, Shetland, Sutherland, Viking, Offshore 1:500k: Faroe Shetland Basin, North Rockall Basin, SeaVoX Sub-Ocean: NORTH SEA, NORTHEAST ATLANTIC OCEAN (40W)
|
end_date |
1982-08-29 00:00:00
|
abstract |
Report: Brett, CP. 1982. Operations report on project 82/04, a regional geophysical survey in the northern North Sea. (IGS Report No 130)
|
end_date_est |
Estimated
|
cruise |
1982/4
|
additional_info |
Positioning systems: Magnavox satellite navigation system integrated with MX610 dopplar sonar and Arma Brown Mk1 Mod 5 or Mk1C gyro compass. Also Decca main Chain receiver with optional integration with the above. Data logged to a Camac data logger or Monitor Labs 9400 data logger
Echo sounder system: Atlas Deso 10 wit hull mounted transducers and Edig 10 digitiser unit
Side scan sonar systems: UDI AS350 dual channel sidescan with catamaran tow fish. Display was on an EPC 3200 graphic recorder. Also a Kelvin Hughes Ms47 transit sonar, hull mounted.
Airgun system: Bolt 600B, 2 guns with standar (1-40 cubic inch) range of chamber sizes, Kemi bandpass filter, TSS Model 307 TVG amplifier and display on a EPC 4600 or EPC 3200 graphic recorder. The hydrophone was a Geomecanique 2 channel, 30m, or 50m.
Watergun system: Soder Mica-T 80 cubic inch syste, with recording as for the airgun
Sparker system: EG&G sparker with up to 5kJ. One 3-element and 1 9-element spark array, Kemo bandpass filter, TSS Model 307 TVG amplifier, TSS Model 302 swell filter and display on a EPC 4600 or EPC 3200 graphic recorder. The hydrophone was a Teledyne 7 channel 10m system.
Pinger system: Edo Western 248 pinger, 3.5kHz, 10kW hull mounted transducer. Used with TSS Model 302 swell filter and displayed on a EPC 3200 graphic recorder.
Huntec deep-tow boomer: system fitted with adaptive processing unit, Krohn-hite filter and display on a EPC 3200 graphic recorder.
Gravity meter: LaCoste and Romberg S75 air-sea system. Worden land gravity meter used for land ties.
Magnetometer: Barringer proton magnetometer.
For more detailed information see the Cruise Report.
|
confidentiality |
unclassified (open file)
|
cruise_alias |
None
|
nav_equip_type |
Decca Main Chain, Transit satellite
|
accessuse_restric |
unrestricted use, copyright acknowledgement
|
restitle |
Geophysical Survey 1982/4: Northern North Sea (10/07/1982 to 29/08/1982)
|
geophys_equip_type |
Airgun/Sleeve Gun, Deep Tow Boomer, Echo Sounder, Gravimeter, Magnetometer, Pinger, Sidescan Sonar, Sparker
|
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 Sperus
|
samp_equip_type |
None
|
terms_of_use_url |
http://nationalarchives.gov.uk/doc/open-government-licence/version/3/
|
client |
British Geological Survey
|
start_date |
1982-07-10 00:00:00
|
contractor |
British Geological Survey
|
start_date_est |
Estimated
|
cruise_data_url |
None
|