Seismic:Navigation
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Alsop, Joyce
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2
The data have been processed/modified to a level beyond that of basic quality control (e.g. final processed sonar data, photo-mosaics).
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References
Acquisition Information
Documents
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ISO/XML Metadata
References
Cande and Lewis, 1988 Investigating the subduction of a spreading center off southern Chile Yearbook .
Lewis et al., 1994 Tectonics of the Chile margin triple junction from geophysical and scientific ocean drilling studies 7th Chilean geologic congress: Abstracts 7(1).
Bangs and Cande,1997 Episodic development of a convergent margin inferred from structures and processes along the Southern Chile margin Tectonics 16. doi: 10.1029/97TC00494
Bangs et al., 1993 Free gas at the base of the gas hydrate zone in the vicinity of the Chile Triple Junction Geology 21. doi: 10.1130/0091-7613(1993)021<0905:FGATBO>2.3.CO;2
Bangs et al., 1992 Structural framework of the Chile margin at the Chile Ridge collision zone Proc. ODP 141. doi: 10.2973/odp.proc.ir.141.102.1992
Download Data Set Metadata Report
XML
MGDS formatted data set xml report containing verbose file and data set level metadata
Related Acquisition Information
Seismic Acquisition Parameters
Download as Text: RC2901
RC2901_ACQ001 (Lines: 727-739)
Source Information
AirGun (BOLT:1500C)
Source Number: 10
Pressure (psi): 2000
Distance to Antenna (m): 58
Number of Arrays: 1
Receiver Information
Hydrophone:Streamer
Number of Cables: 1
Channels Per Cable: 240
Channels Recorded: 240
Group Spacing (m): 12.5
Cable Length (m): 3000
Near Channel Number: 240
Used Active Tail Buoy: false
Used Compass Birds: false
Nav System
WGS84
Acquisition System
Digital
Name: DSS240
Sample Interval (msec): 4
Record Length (sec): 12
Details
Shot interval was 27 s for lines 727-728
Shot interval was 18 s for remaining lines
Source Volume was 4991 cu in for lines 727-728
Source Volume was 3768 cu in for remaining lines
Source to Near Channel was 345m for lines 727-732
Source to Near Channel was 320m for line 733, 308m for line 734, 292m for line 735
Source to Near Channel was 320m for lines 736-739
RC2901_ACQ002 (Lines: 740-781)
Source Information
AirGun (BOLT:1500C)
Source Number: 10
Volume (cu in): 3768
Pressure (psi): 2000
Shot Interval (sec): 18
Distance to Near Channel (m): 285
Distance to Antenna (m): 58
Number of Arrays: 1
Receiver Information
Hydrophone:Streamer
Number of Cables: 1
Channels Per Cable: 236
Channels Recorded: 236
Group Spacing (m): 12.5
Cable Length (m): 2950
Near Channel Number: 236
Used Active Tail Buoy: false
Used Compass Birds: false
Nav System
US Navy Transit Satellites
WGS84
Acquisition System
Digital
Name: DSS240
Sample Interval (msec): 4
Record Length (sec): 12
Details
edu.utexas.ig:rc2901_acq001 (Lines: )
Source Information
AirGun
Receiver Information
Hydrophone:Streamer
Used Active Tail Buoy: false
Used Compass Birds: false
Nav System
US Navy Transit Satellite
WGS84
Acquisition System
Digital
Name: DSS 240
Details
Source Type: AirGun
Acquisition System Name: DSS 240
Acquisition System Type: digital
Seismic Nav System: US Navy Transit Satellite
Source to Near Channel: 345m for lines 727-732, 320m for line 733, 320m for lines 736-739, 285m for lines 740-781
Antenna to Source (m): 58
Number of Channels Recorded: 240 channels for lines 727-739, 236 channels recorded for lines 740-781
Channel Length (m): 12.5
Cable Receiver Depth (m): unknown
Source Volume: 4991 cu. in. for lines 727-728, 3768 cu. in. for lines 729-781;
Source Pressure (bars): 138
Source Number: 10
Source Depth (m): unknown
Shot Control: Time
Shot Interval: 27s for lines 727-728, 18s for lines 729-781
Data Set Documents
Cruise
rc2901.cruiserpt.pdf (2.0MB)
PDF
RC2901 Documents
Cruise
RC2901_science_cruise_report001.pdf (258.0kB)
PDF
Seismic observer log
RC2901_seismic_observer_log.pdf (3.7MB)
PDF
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