Seismic Reflection/Refraction Data at the Academic Seismic Portal
Expeditions / Compilations
Processed
Raw
Acquisition Information
Processed Data Sets
Sort by:
Processed multichannel seismic data (brute stacks) in the Gulf of California, acquired during the R/V Maurice Ewing survey EW0210 (2002)
Locale
File Format
ASCII
Quality
2
Lizarralde, Dan
WHOI
Paramo, 2006
Sutherland, 2006
Nealon, 2006
Seismic:Reflection:MCS
Data DOI:
10.1594/IEDA/500101
Processed multichannel seismic data (brute stacks) in the Gulf of California, acquired during the R/V Maurice Ewing survey EW0210 (2002)
Locale
File Format
SEGY
Quality
2
Lizarralde, Dan
WHOI
Paramo, 2006
Sutherland, 2006
Nealon, 2006
Processed multichannel seismic data (brute stacks) in the Gulf of California, acquired during the R/V Maurice Ewing survey EW0210 (2002)
Locale
File Format
PDF
Quality
2
Lizarralde, Dan
WHOI
Paramo, 2006
Sutherland, 2006
Nealon, 2006
Raw Data Sets
Sort by:
Seismic:WideAngle:OBS
Data at IRIS
Device Info
Seismic: OBS
Events
Locale
GulfOfCalifornia
FocusSite:MARGINS
File Format
NotProvided
Quality
0
Gorman, Andrew
Paramo, 2006
Sutherland, 2006
Brothers, 2009
Event Logs
Device Info
Seismic: MCS
Platform: Maurice Ewing (Array)
Lizarralde, Dan
Georgia Institute of Technology
Lizarralde, Dan
Georgia Institute of Technology
Device Info
Seismic: MCS
Platform: Maurice Ewing (Array)
Gorman, Andrew
Seismic Acquisition Parameters
EW0210_ACQ001 (Lines: All lines (sequences) 1-39)
Source Information
AirGun (BOLT:1500C)
Source Number: 20
Pressure (psi): 2000
Distance to Antenna (m): 55.3
Number of Arrays: 1
Receiver Information
Hydrophone:Streamer
Number of Cables: 1
Channels Per Cable: 480
Channels Recorded: 480
Group Spacing (m): 12.5
Cable Length (m): 6000
Near Channel Number: 480
Used Active Tail Buoy: true
Used Compass Birds: true
Nav System
p-code GPS used early in cruise, then WAAS GPS
WGS84
Acquisition System
Digital
Name: SYNTRAK 480
Sample Interval (msec): 4
Record Length (sec): 16.384
Details
Source Volume for Sequences 1-13 was 8490cu.in.
Source Volume for Sequences 14-39 was 7610cu.in.(from diagram)
Source Depth is unknown
Source to Near Channel was 179.25 meters for Sequences 1-25, 25-39
Source to Near Channel for Line 26 was -20m when no tow/stretch section was available
Shot Interval was 50m for Sequences 01,04-10,13,14.001-14.002(shots 17661-22203),16,27,28,29,30,38,39
Shot Interval was 100m for Sequences 19,20,21,24,25.26,31,32,33
Shot Interval was 150m for Sequences 02,03,11,12,14.003(shots 23725-24985),15,17,18,34,35,36,37
Shot Interval was likely 37.5m for Sequences 22,23
edu.utexas.ig:ew0210_acq001 (Lines: )
Source Information
AirGun
Receiver Information
Hydrophone:Streamer
Used Active Tail Buoy: false
Used Compass Birds: false
Nav System
WGS84
Acquisition System
Digital
Name:
Details
Receiver Type: Hydrophone_Streamer
Source Type: SeismicSource_Gun_Air
Acquisition System Name: null
Acquisition System Type: digital
Seismic Nav System: null
Survey Datum: WGS84
Source to Near Channel (m): null
Antenna to Source (m): null
Number of Channels Recorded: 480
Channel Length (m): 12.5
Cable Receiver Depth (m): null
Source Volume (cubicInches): 7860
Source Pressure (bars): null
Source Number: 20
Source Depth (m): null
Shot Control: distance
Shot Interval (s or m): 50: Northwest of Alarcón Rise; 60-fold data with 6.25 m CMP spacing; 150: South of Alarcón Rise; CMP spacing doubled to 12.5 m; yielding 40 fold data (Sutherland; 2006).
Compass Birds: no
Tail Buoy Positioning: no
Recording Delay: no
Expand