Marine Geoscience Data System

Seismic Reflection/Refraction Data at the Academic Seismic Portal

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Expeditions / Compilations

EW9914

Maurice Ewing

Raw

Acquisition Information

Raw Data Sets

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Seismic:Ancillary

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:MCS

LDEO

Events

Line Log

Locale

Lau

BackarcBasin

Quality

Details

includes streamer compass bird block,gun depths, navigation block information, segy history and shot time log status files

Harding, Alistair

SIO

Seismic:Reflection:MCS

Data DOI: 10.1594/IEDA/310225

Raw Multi-Channel Seismic Shot Data from the Lau Basin acquired during R/V Maurice Ewing expedition EW9914 (1999)

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:MCS

LDEO

Events

Line Log

Locale

Lau

BackarcBasin

File Format

SEGY

Quality

Harding, Alistair

SIO

Data Set References

Event Logs

Line (EW9914)

Device Info

Related Devices

Harding, Alistair

SIO

Line (EW9914)

Device Info

Seismic:MCS

Platform: Maurice Ewing (Array)

Harding, Alistair

SIO

Seismic Acquisition Parameters

Download As Text

EW9914_ACQ001 (Lines: 01)

Source Information

AirGun (BOLT:1500C)

Source Number: 10

Volume (cu in): 3048

Pressure (psi): 2000

Shot Interval (m): 37.5

Distance to Near Channel (m): 222.5

Distance to Antenna (m): 56

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 Compass Birds: true

Nav System

GPS

WGS84

Acquisition System

Digital

Name: Syntron Syntrak 480

Sample Interval (msec): 4

Record Length (sec): 10

Details

EW9914_ACQ002 (Lines: 02-61)

Source Information

AirGun (BOLT:1500C)

Source Number: 10

Volume (cu in): 3048

Pressure (psi): 2000

Shot Interval (m): 37.5

Distance to Near Channel (m): 190.6

Distance to Antenna (m): 56

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 Compass Birds: true

Nav System

GPS

WGS84

Acquisition System

Digital

Name: Syntron Syntrak 480

Sample Interval (msec): 4

Record Length (sec): 10

Details

edu.utexas.ig:ew9914_acq001 (Lines: )

Source Information

AirGun

Receiver Information

Hydrophone:Streamer

Used Active Tail Buoy: false

Used Compass Birds: false

Nav System

GPS

WGS84

Acquisition System

Digital

Name: Syntron

Details

Receiver Type: Hydrophone_Streamer

Source Type: SeismicSource_Gun_Air

Acquisition System Name: Syntron

Acquisition System Type: digital

Seismic Nav System: GPS

Survey Datum: WGS84

Source to Near Channel (m): 222.5: Line 1; 190.6: All other lines

Antenna to Source (m): 56

Number of Channels Recorded: 480

Channel Length (m): 12.5

Cable Receiver Depth (m): unknown

Source Volume (cubicInches): 3048

Source Pressure (bars): unknown

Source Number: 10

Source Depth (m): unknown

Shot Control: time

Shot Interval (s or m): 16.2

Compass Birds: no

Tail Buoy Positioning: no

Recording Delay: no

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