Seismic:Reflection:MCS
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Alsop, Joyce
Investigator
Quality
2
The data have been processed/modified to a level beyond that of basic quality control (e.g. final processed sonar data, photo-mosaics).
Data Files
References
Acquisition Information
Documents
Related Data Sets
ISO/XML Metadata
References
Westbrook et al., 1988 Cross section of an accretionary wedge: Barbados Ridge Complex Geology 16(7). doi: 10.1130/0091-7613(1988)016<0631:CSOAAW>2.3.CO;2
Ladd et al., 1990 Wide-aperture seismic reflection profiles across the Barbados Ridge Complex Proc. ODP 110. doi: 10.2973/odp.proc.sr.110.168.1990
Bangs et al., 1990 Seismic velocities from the Barbados Ridge Complex: Indicators of high pore fluid pressures in an accretionary complex J. Geophys. Res. 95(B). doi: 10.1029/JB095iB06p08767
Bangs, 1991 Seismic velocity variations in the Barbados Ridge Complex and hydrogeologic influences on accretionary wedge tectonics Ph.D. Dissertation .
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: RC2604
RC2604_ACQ001 (Lines: All)
Source Information
AirGun (BOLT:1500C)
Source Number: 4
Pressure (psi): 1800
Distance to Near Channel (m): 300
Number of Arrays: 1
Receiver Information
Hydrophone:Streamer
Number of Cables: 1
Channels Per Cable: 48
Channels Recorded: 48
Group Spacing (m): 50
Cable Length (m): 2400
Near Channel Number: 48
Used Active Tail Buoy: false
Used Compass Birds: false
Nav System
Transit satellites likely, GPS possible
Acquisition System
Digital
Name: DFSIV
Sample Interval (msec): 4
(Recording Delay Used)
Details
Radist Antenna to Source (Darwin)=47 meters
Antenna to Source (Conrad)=48 meters
Source Depth Airguns: unknown
Source: Darwin also shot explosives for ESP lines 467, 478, maybe others.
Shot Interval for CDP lines: 20-25 seconds
Shot Interval or COP lines: 40 seconds
Shot Interval for Explosive ESP lines: ~7 minutes
Shot Interval for Airgun ESP lines: 1 minute
Record Length for CDP lines: 12 seconds
Record Length for COP lines: 20 seconds
Record Length for ESP lines: 40 seconds
Source Volume(Airguns): 2466 cu. in. (Darwin), 2791 cu. in. (Conrad)
Cable Depth: 30-50 feet
edu.utexas.ig:rc2604_acq001 (Lines: All)
Source Information
AirGun
Number of Arrays: 1
Receiver Information
Hydrophone:Streamer
Number of Cables: 1
Channels Per Cable: 48
Channels Recorded: 48
Group Spacing (m): 50
Cable Length (m): 2400
Near Channel Number: 48
Used Active Tail Buoy: false
Used Compass Birds: false
Nav System
possibly GPS; Transit Satellites logged
WGS72
Acquisition System
Digital
Name: DFS IV
Sample Interval (msec): 4
(Recording Delay Used)
Details
Receiver Type: Hydrophone_Streamer
Source Type: AirGun
Acquisition System Name: DFS IV
Acquisition System Type: digital
Seismic Nav System: GPS possible; Transit Satellites logged
Survey Datum: WGS72
Source to Near Channel (m): 300
Antenna to Source (m): 48 (Conrad)
Radist Antenna to Source (m): 47 (Darwin)
Cable Receiver Depth (m): 9.1-15.2 (30-50 feet)
Source Volume: 2791 cu. in.(Conrad), 2466 cu. in.(Darwin)
Source Pressure (bars): 124
Source Number: 4
Source Depth (m): unknown
Shot Control: Time
Shot Interval: 20-25s for CDP lines, 40s for COP lines, 1 minute for ESPs
Shot Interval: ~7 minutes for Explosives ESPs
Data Set Documents
README
RC2604.LDEO.README (14.0kB)
ASCII
Cruise
rc2604.cruiserpt.pdf (844.0kB)
PDF
RC2604 Documents
Cruise
RC2604_science_cruise_report001.pdf (48.0kB)
PDF
Seismic recording and seismic line log
RC2604_mcs_line_and_recording_log.pdf (2.6MB)
PDF
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