Marine Geoscience Data System

Seismic Reflection/Refraction Data at the Academic Seismic Portal

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Expeditions / Compilations

EW9803

Maurice Ewing

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Acquisition Information

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Seismic:Navigation:ShotTime

Data DOI: 10.1594/IEDA/322005

Seismic Shot Point Navigation Data from the Barbados Ridge acquired during R/V Maurice Ewing expedition EW9803 (1998)

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:MCS

Events

Line Log

Locale

File Format

ASCII:TSN

Quality

Details

This dataset, Seismic Shot Point Navigation data, provides the primary seismic navigation source for this cruise and should be used for seismic data processing.

Bangs, Nathan

UTIG

Shipley, Thomas

UTIG

Christeson, Gail

Nakamura, Yosio

UTIG

Seismic:Reflection:MCS

Data DOI: 10.1594/IEDA/322004

Multi-Channel Seismic Shot Data from the Barbados Ridge acquired during the R/V Maurice Ewing expedition EW9803 (1998)

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:MCS

Events

Line Log

Locale

File Format

SEGY

Quality

Bangs, Nathan

UTIG

Shipley, Thomas

UTIG

Christeson, Gail

Nakamura, Yosio

UTIG

Event Logs

Line (EW9803)

Device Info

Seismic:MCS

Platform: Maurice Ewing (Array)

Bangs, Nathan

UTIG

Line (EW9803)

Device Info

Seismic:MCS

Platform: Maurice Ewing (Array)

Seismic:OBS

Platform: Maurice Ewing (Array)

Bangs, Nathan

UTIG

Station:Bottom:Deployed (EW9803)

Device Info

Seismic:OBS

Platform: Maurice Ewing (Array)

Bangs, Nathan

UTIG

Seismic Acquisition Parameters

Download As Text

EW9803_ACQ001 (Lines: Sequences 1-5)

Source Information

AirGun (BOLT:1500C)

Source Number: 20

Volume (cu in): 8420

Pressure (psi): 2000

Shot Interval (m): 100

Distance to Near Channel (m): 99.9

Distance to Antenna (m): 55.6

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Recorded: 164

Group Spacing (m): 25

Cable Length (m): 4100

Cable Depth (m): 10

Near Channel Number: 164

Used Compass Birds: true

Nav System

TASMON P(Y)-code GPS

WGS84

Acquisition System

Digital

Name: DMS2000

Sample Interval (msec): 2

Record Length (sec): 18

Details

Source Depth=8-12m

Number of Channels=172 for Seq 1

Number of Channels=180 for Seq 2-5

EW9803_ACQ002 (Lines: Sequence 6)

Source Information

AirGun (BOLT:1500C)

Source Number: 20

Volume (cu in): 8420

Pressure (psi): 2000

Shot Interval (m): 50

Distance to Near Channel (m): 99.9

Distance to Antenna (m): 55.6

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 180

Channels Recorded: 164

Group Spacing (m): 25

Cable Length (m): 4100

Cable Depth (m): 10

Near Channel Number: 164

Used Compass Birds: true

Nav System

TASMON P(Y)-code GPS

WGS84

Acquisition System

Digital

Name: DMS2000

Sample Interval (msec): 2

Record Length (sec): 16

Details

Source Depth=8-12m

EW9803_ACQ003 (Lines: Sequences 7-11)

Source Information

AirGun (BOLT:1500C)

Source Number: 20

Volume (cu in): 8420

Pressure (psi): 2000

Shot Interval (m): 125

Distance to Near Channel (m): 99.9

Distance to Antenna (m): 55.6

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 184

Channels Recorded: 168

Group Spacing (m): 25

Cable Length (m): 4200

Cable Depth (m): 10

Near Channel Number: 168

Used Compass Birds: true

Nav System

TASMON P(Y)-code GPS

WGS84

Acquisition System

Digital

Name: DMS2000

Sample Interval (msec): 2

Record Length (sec): 18

Details

Source Depth=8-12m

EW9803_ACQ004 (Lines: Sequences 12-15)

Source Information

AirGun (BOLT:1500C)

Source Number: 20

Volume (cu in): 8420

Pressure (psi): 2000

Shot Interval (m): 50

Distance to Near Channel (m): 99.9

Distance to Antenna (m): 55.6

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 184

Channels Recorded: 168

Group Spacing (m): 25

Cable Length (m): 4200

Cable Depth (m): 10

Near Channel Number: 168

Used Compass Birds: true

Nav System

TASMON P(Y)-code GPS

WGS84

Acquisition System

Digital

Name: DMS2000

Sample Interval (msec): 2

Record Length (sec): 17

Details

Source Depth=8-12m

edu.utexas.ig:ew9803_acq001 (Lines: )

Source Information

AirGun

Receiver Information

NotApplicable

Used Active Tail Buoy: false

Used Compass Birds: false

Nav System

Y-Code GPS satellite navigation

WGS84

Acquisition System

Digital

Name: DSS 240

Details

Receiver Type: Hydrophone_Streamer; Seismometer_OceanBottom

Source Type: SeismicSource_Gun_Air

Acquisition System Name: DSS 240

Acquisition System Type: digital

Seismic Nav System: Y-Code GPS satellite navigation

Survey Datum: WGS84

Source to Near Channel (m): 99.9

Antenna to Source (m): 56

Number of Channels Recorded: 164; 168

Channel Length (m): 25

Cable Receiver Depth (m): 10

Source Volume (cubicInches): 8420

Source Pressure (bars): 138

Source Number: 20

Source Depth (m): 10

Shot Control: null

Shot Interval (s or m): null

Compass Birds: no

Tail Buoy Positioning: no

Recording Delay: no

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