Seismic Reflection/Refraction Data at the Academic Seismic Portal
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Expeditions / Compilations
Maurice Ewing
Processed
Acquisition Information
Processed Data Sets
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Seismic layer 2A thickness from EPR 17°S
Device Info
Seismic:
Locale
File Format
NetCDF:Grid
Quality
1
Carbotte, Suzanne
LDEO
Event Logs
Device Info
Related DevicesSeismic:
LDEO
Platform: Maurice Ewing (Array)
Seismic:
Platform: Maurice Ewing (Array)
Detrick, Robert
URI
Device Info
Seismic:
LDEO
Platform: Maurice Ewing (Array)
Seismic:
Platform: Maurice Ewing (Array)
Detrick, Robert
URI
Seismic Acquisition Parameters
EW9102_ACQ001 (Lines: 1081-1090, 1111, 1114, 1126, 1137)
Source Information
AirGun (BOLT:1500C)
Source Number: 10
Volume (cu in): 4193
Pressure (psi): 2000
Shot Interval (sec): 10
Distance to Near Channel (m): 358
Distance to Antenna (m): 95
Number of Arrays: 1
Receiver Information
Hydrophone:Streamer
Number of Cables: 1
Channels Per Cable: 160
Channels Recorded: 160
Group Spacing (m): 25
Near Channel Number: 160
Used Active Tail Buoy: false
Used Compass Birds: false
Nav System
Acquisition System
Digital
Name: DSS240
Sample Interval (msec): 4
Record Length (sec): 8.8
Details
See the additional descriptive acquisition information in the Report:Technical:Seismic:AcquisitionParameters file
This was a two ship cruise. See additional information for the cruise TERA01WT at http://www.marine-geo.org/tools/search/entry.php?id=TERA01WT
EW9102_ACQ002 (Lines: 1091, 1106-1110, 1112-1113, 1115-1125, 1136, 1139-1144)
Source Information
AirGun (BOLT:1500C)
Source Number: 20
Volume (cu in): 8385
Pressure (psi): 2000
Shot Interval (sec): 20
Distance to Near Channel (m): 358
Distance to Antenna (m): 95
Number of Arrays: 1
Receiver Information
Hydrophone:Streamer
Number of Cables: 1
Channels Per Cable: 160
Channels Recorded: 160
Group Spacing (m): 25
Near Channel Number: 160
Used Active Tail Buoy: false
Used Compass Birds: false
Nav System
Acquisition System
Digital
Name: DSS240
Sample Interval (msec): 4
Record Length (sec): 18.75
Details
See the additional descriptive acquisition information in the Report:Technical:Seismic:AcquisitionParameters file
This was a two ship cruise. See additional information for the cruise TERA01WT at http://www.marine-geo.org/tools/search/entry.php?id=TERA01WT
EW9102_ACQ003 (Lines: 1149,1151)
Source Information
AirGun (BOLT:1500C)
Source Number: 10
Volume (cu in): 4193
Pressure (psi): 2000
Shot Interval (sec): 10
Distance to Near Channel (m): 358
Distance to Antenna (m): 95
Number of Arrays: 1
Receiver Information
Hydrophone:Streamer
Number of Cables: 1
Channels Per Cable: 160
Channels Recorded: 160
Group Spacing (m): 25
Near Channel Number: 160
Used Active Tail Buoy: false
Used Compass Birds: false
Nav System
Acquisition System
Digital
Name: DSS240
Sample Interval (msec): 4
Record Length (sec): 8.7
Details
See the additional descriptive acquisition information in the Seismic:Ancillary file
This was a two ship cruise. See additional information for the cruise TERA01WT at http://www.marine-geo.org/tools/search/entry.php?id=TERA01WT
EW9102_ACQ004 (Lines: 1092-1105, 1127-1135)
Source Information
AirGun (BOLT:1500C)
Source Number: 20
Volume (cu in): 8385
Pressure (psi): 2000
Shot Interval (sec): 60
Distance to Near Channel (m): 358
Distance to Antenna (m): 95
Number of Arrays: 1
Receiver Information
Hydrophone:Streamer
Number of Cables: 1
Channels Per Cable: 160
Channels Recorded: 160
Group Spacing (m): 25
Near Channel Number: 160
Used Active Tail Buoy: false
Used Compass Birds: false
Nav System
Acquisition System
Digital
Name: DSS240
Sample Interval (msec): 4
Record Length (sec): 18.75
Details
See the additional descriptive acquisition information in the Report:Technical:Seismic:AcquisitionParameters file
This was a two ship cruise. See additional information for the cruise TERA01WT at http://www.marine-geo.org/tools/search/entry.php?id=TERA01WT
EW9102_ACQ005 (Lines: 1138)
Source Information
AirGun (BOLT:1500C)
Source Number: 6
Volume (cu in): 2620
Pressure (psi): 2000
Shot Interval (sec): 40
Distance to Near Channel (m): 358
Distance to Antenna (m): 95
Number of Arrays: 1
Receiver Information
Hydrophone:Streamer
Number of Cables: 1
Channels Per Cable: 160
Channels Recorded: 160
Group Spacing (m): 25
Near Channel Number: 160
Used Active Tail Buoy: false
Used Compass Birds: false
Nav System
Acquisition System
Digital
Name: DSS240
Sample Interval (msec): 4
Record Length (sec): 18.75
Details
See the additional descriptive acquisition information in the Report:Technical:Seismic:AcquisitionParameters file
This was a two ship cruise. See additional information for the cruise TERA01WT at http://www.marine-geo.org/tools/search/entry.php?id=TERA01WT
EW9102_ACQ006 (Lines: 1145-1148,1150,1152)
Source Information
AirGun (BOLT:1500C)
Source Number: 20
Volume (cu in): 8385
Pressure (psi): 2000
Shot Interval (sec): 20
Distance to Near Channel (m): 358
Distance to Antenna (m): 95
Number of Arrays: 1
Receiver Information
Hydrophone:Streamer
Number of Cables: 1
Channels Per Cable: 160
Channels Recorded: 160
Group Spacing (m): 25
Near Channel Number: 160
Used Active Tail Buoy: false
Used Compass Birds: false
Nav System
Acquisition System
Digital
Name: DSS240
Sample Interval (msec): 4
Record Length (sec): 18
Details
See the additional descriptive acquisition information in the Report:Technical:Seismic:AcquisitionParameters file
This was a two ship cruise. See additional information for the cruise TERA01WT at http://www.marine-geo.org/tools/search/entry.php?id=TERA01WT
edu.utexas.ig:ew9102_acq001 (Lines: )
Source Information
AirGun
Receiver Information
Hydrophone:Streamer
Used Active Tail Buoy: false
Used Compass Birds: false
Nav System
GPS, 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: GPS, transit satellite
Survey Datum: WGS84
Source to Near Channel (m): 358
Antenna to Source (m): 95
Number of Channels Recorded: 160
Channel Length (m): 25
Cable Receiver Depth (m): unknown meters
Source Volume (cubicInches): 2620: line(s) 1138.<br>4193: line(s) 1081-1090; 1111;1114.1126;1137; 1149; 1152; 1149;1152.<br>8385s: line(s) 1091; 1106-1110; 1112-1113; 1115-1125; 1136;1139-1144; 1092-1105; 1145-1148;1150;1152.
Source Pressure (bars): 138
Source Number: 6: line(s) 1138.<br>10: line(s) 1081-1090; 1111;1114.1126;1137; 1149; 1152.<br>20: line(s) 1091; 1106-1110; 1112-1113; 1115-1125; 1136;1139-1144; 1092-1105; 1145-1148;1150;1152
Source Depth (m): unknown meters
Shot Control: time
Shot Interval (s or m): 10: line(s) 1081-1090; 1111;1114.1126;1137; 1149; 1152; 20: line(s) 1091; 1106-1110; 1112-1113; 1115-1125; 1136; 1139-1144; 1145-1148; 1150;1152; 40: line(s) 1138; >60: line(s) 1092-1105.
Compass Birds: no
Tail Buoy Positioning: no
Recording Delay: no
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