Seismic Reflection/Refraction Data at the Academic Seismic Portal
Expeditions / Compilations
Robert D. Conrad
Processed
Raw
Acquisition Information
Processed Data Sets
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Bathymetry:Swath
Data DOI:
10.26022/IEDA/316981
Processed ship-based Multibeam Sonar Data (version 2) acquired off the coast of Chile during the Robert D. Conrad expedition RC2901 (1988)
Platform Info
Robert D. Conrad
LDEO
Device Info
Sonar: Multibeam
SeaBeam:Classic
Locale
File Format
MBSystem
Quality
2
GMRT,
Raw Data Sets
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Platform Info
Robert D. Conrad
LDEO
Device Info
Sonar: Multibeam
SeaBeam:Classic
Locale
File Format
MBSystem
Quality
0
Cande, Steve
LDEO
Event Logs
Device Info
Seismic: MCS
LDEO
Platform: Robert D. Conrad (Array)
Cande, Steve
LDEO
Seismic Acquisition Parameters
RC2901_ACQ001 (Lines: 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 345 m for lines 727-732
Source to Near Channel varied 320m/308m/292m for lines 733-735
Source to Near Channel was 320 m for lines 736-739
RC2901_ACQ002 (Lines: 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): 3000
Near Channel Number: 236
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
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
Receiver Type: Hydrophone_Streamer
Source Type: SeismicSource_Gun_Air
Acquisition System Name: DSS 240
Acquisition System Type: digital
Seismic Nav System: US Navy Transit Satellite
Survey Datum: WGS84
Source to Near Channel (m): 240: 345, 320, 308, 292; 236: 320, 285
Antenna to Source (m): 58
Number of Channels Recorded: 236: line(s) 740-781; 240: line(s) 727; 728; 729-739
Channel Length (m): 12.5
Cable Receiver Depth (m): unknown
Source Volume (cubicInches): 3768: line(s) 729-739; 740-781; 4991: line(s) 727; 728
Source Pressure (bars): 138
Source Number: 10
Source Depth (m): unknown
Shot Control: time
Shot Interval (s or m): 18: line(s) 729-739; 740-781; 27: line(s) 727; 728
Compass Birds: no
Tail Buoy Positioning: no
Recording Delay: no
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