Marine Geoscience Data System

Seismic Reflection/Refraction Data at the Academic Seismic Portal

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Expeditions / Compilations

EW0410

Maurice Ewing

Processed

Acquisition Information

Processed Data Sets

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Seismic:WideAngle:OBS

Data DOI: 10.1594/IEDA/500011

Ocean bottom seismometer data at the Blanco Transform in the Pacific Ocean, acquired during R/V Maurice Ewing expedition EW0410 (2004)

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:OBS

Events

Line Log

Station:Bottom:Deployed Log

Locale

File Format

SEGY

Quality

Christeson, Gail

UTIG

Data Set References

Seismic:WideAngle:OBS

Ocean bottom seismometer data at the Blanco Transform in the Pacific Ocean, acquired during R/V Maurice Ewing expedition EW0410 (2004)

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:OBS

Events

Line Log

Station:Bottom:Deployed Log

Locale

File Format

PDF

Quality

Christeson, Gail

UTIG

Data Set References

Event Logs

Line (EW0410)

Device Info

Related Devices

Christeson, Gail

UTIG

Line (EW0410)

Device Info

Seismic:MCS

Platform: Maurice Ewing (Array)

Seismic:OBS

Platform: Maurice Ewing (Array)

Christeson, Gail

UTIG

Station:Bottom:Deployed (EW0410)

Device Info

Seismic:OBS

Platform: Maurice Ewing (Array)

Christeson, Gail

UTIG

Seismic Acquisition Parameters

Download As Text

EW0410_ACQ001 (Lines: BL102-105,BL107-110,BL112-204)

Source Information

AirGun (BOLT:1500C)

Source Number: 10

Volume (cu in): 3050

Pressure (psi): 2000

Depth (m): 7.5

Shot Interval (m): 37.5

Distance to Near Channel (m): 183.5

Distance to Antenna (m): 88.6

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 Depth (m): 9

Near Channel Number: 480

Used Active Tail Buoy: true

Used Compass Birds: true

Nav System

Acquisition System

Digital

Name: Syntron Syntrak 480

Sample Interval (msec): 4

Record Length (sec): 12

Details

EW0410_ACQ002 (Lines: BL106,BL111)

Source Information

AirGun (BOLT:1500C)

Source Number: 10

Volume (cu in): 3050

Pressure (psi): 2000

Depth (m): 7.5

Shot Interval (m): 37.5

Distance to Near Channel (m): 183.5

Distance to Antenna (m): 88.6

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 Depth (m): 8

Near Channel Number: 480

Used Active Tail Buoy: true

Used Compass Birds: true

Nav System

Acquisition System

Digital

Name: Syntron Syntrak 480

Sample Interval (msec): 4

Record Length (sec): 12

Details

EW0410_ACQ003 (Lines: BL302,BL309)

Source Information

AirGun (BOLT:1500C)

Source Number: 12

Volume (cu in): 3705

Pressure (psi): 2000

Depth (m): 7.5

Shot Interval (m): 200

Distance to Near Channel (m): 183.5

Distance to Antenna (m): 88.6

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 Depth (m): 9

Near Channel Number: 480

Used Active Tail Buoy: true

Used Compass Birds: true

Nav System

Acquisition System

Digital

Name: Syntron Syntrak 480

Sample Interval (msec): 4

Record Length (sec): 12

Details

edu.utexas.ig:ew0410_acq001 (Lines: )

Source Information

AirGun

Receiver Information

NotApplicable

Used Active Tail Buoy: true

Used Compass Birds: true

Nav System

GPS

WGS84

Acquisition System

Digital

Name: Syntrak

Details

Receiver Type: Hydrophone_Streamer; Seismometer_OceanBottom

Source Type: SeismicSource_Gun_Air

Acquisition System Name: Syntrak

Acquisition System Type: digital

Seismic Nav System: GPS

Survey Datum: WGS84

Source to Near Channel (m): 183.5

Antenna to Source (m): 88.6

Number of Channels Recorded: 480

Channel Length (m): 12.5

Cable Receiver Depth (m): 8: lines BOL111 and BOL106: 9: all other lines

Source Volume (cubicInches): 3050

Source Pressure (bars): 138

Source Number: 10

Source Depth (m): 7.5

Shot Control: distance

Shot Interval (s or m): 37.5: 100 and 200 lines; 200: 300 lines

Compass Birds: yes

Tail Buoy Positioning: yes

Recording Delay: no

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