Marine Geoscience Data System

Seismic Reflection/Refraction Data at the Academic Seismic Portal

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Expeditions / Compilations

EW0114

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

Quality

Cochran, James

LDEO

Seismic:Navigation

Raw Seismic Navigation Data from the Southern Ocean and Southeast Indian Ridge acquired during R/V Maurice Ewing expedition EW0114 (2001)

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:MCS

LDEO

Events

Line Log

Locale

File Format

Quality

Details

These UKOOA P2/94 files have not been processed. For this cruise, the Seismic Shot Point Navigation data provide the primary seismic navigation source for seismic data processing.

Cochran, James

LDEO

Data Set References

Seismic:Reflection:MCS

Data DOI: 10.1594/IEDA/303703

Raw Multi-Channel Seismic Shot Data from the Southern Ocean and Southeast Indian Ridge acquired during R/V Maurice Ewing expedition EW0114 (2001)

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:MCS

LDEO

Events

Line Log

Locale

File Format

SEGY

Quality

Cochran, James

LDEO

Baran, Janet

LDEO

Carbotte, Suzanne

LDEO

Data Set References

Event Logs

Line (EW0114)

Device Info

Related Devices

Cochran, James

LDEO

Line (EW0114)

Device Info

Seismic:MCS

Platform: Maurice Ewing (Array)

Cochran, James

LDEO

Station:Bottom (EW0114)

Device Info

Seismic:MCS

LDEO

Platform: Maurice Ewing (Array)

Seismic:OBS

Platform: Maurice Ewing (Array)

Cochran, James

LDEO

Seismic Acquisition Parameters

Download As Text

EW0114_ACQ001 (Lines: 1-25)

Source Information

AirGun (BOLT:1500C)

Source Number: 10

Volume (cu in): 3050

Pressure (psi): 2000

Depth (m): 8

Shot Interval (m): 50

Distance to Near Channel (m): 210

Distance to Antenna (m): 55

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): 2

Record Length (sec): 12.288

Details

EW0114_ACQ002 (Lines: 26-38)

Source Information

AirGun (BOLT:1500C)

Source Number: 10

Volume (cu in): 3050

Pressure (psi): 2000

Depth (m): 8

Shot Interval (m): 37.5

Distance to Near Channel (m): 210

Distance to Antenna (m): 55

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): 2

Record Length (sec): 12.288

Details

edu.utexas.ig:ew0114_acq001 (Lines: )

Source Information

AirGun

Receiver Information

Hydrophone:Streamer

Used Active Tail Buoy: true

Used Compass Birds: true

Nav System

Tasmon GPS

WGS84

Acquisition System

Digital

Name: Syntron Syntrak 480

Details

Receiver Type: Hydrophone_Streamer

Source Type: SeismicSource_Gun_Air

Acquisition System Name: Syntron Syntrak 480

Acquisition System Type: digital

Seismic Nav System: Tasmon GPS

Survey Datum: WGS84

Source to Near Channel (m): 210

Antenna to Source (m): 55

Number of Channels Recorded: 480

Channel Length (m): 12.5

Cable Receiver Depth (m): 8

Source Volume (cubicInches): 3050

Source Pressure (bars): 138

Source Number: 10

Source Depth (m): 8

Shot Control: distance

Shot Interval (s or m): 50.0: Lines 1-25; 37.5: Lines 26-38

Compass Birds: yes

Tail Buoy Positioning: yes

Recording Delay: no

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