Marine Geoscience Data System

Seismic Reflection/Refraction Data at the Academic Seismic Portal

Map View

Expeditions / Compilations

EW0404

Maurice Ewing

Raw

Acquisition Information

Raw Data Sets

Sort by:

Seismic:Ancillary

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:MCS

LDEO

Events

Line Log

Locale

Quality

Details

Seismic & Segy metadata, Gun Pressure, Gun Depths and navigation block files

Mann, Paul

UTIG

Seismic:Navigation:ShotTime

Data DOI: 10.1594/IEDA/308523

Seismic Shot Point Navigation Data from the Southeast Caribbean and Venezuela Margin acquired during the R/V Maurice Ewing expedition EW0404 (2004)

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:MCS

LDEO

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.

Mann, Paul

UTIG

Sawyer, Dale

Rice

Seismic:Reflection:MCS

Data DOI: 10.1594/IEDA/308525

Raw Multi-Channel Seismic Shot Data from the Southeast Caribbean Sea and Venezuelan Margin acquired during the R/V Maurice Ewing expedition EW0404 (2004)

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:MCS

LDEO

Events

Line Log

Locale

File Format

SEGY

Quality

Mann, Paul

UTIG

Sawyer, Dale

Rice

Data Set References

Event Logs

Line (EW0404)

Device Info

Related Devices

Mann, Paul

UTIG

Line (EW0404)

Device Info

Seismic:MCS

Platform: Maurice Ewing (Array)

Seismic:OBS

Platform: Maurice Ewing (Array)

Christeson, Gail

Station:Bottom:Deployed (EW0404)

Device Info

Seismic:OBS

Platform: Maurice Ewing (Array)

Christeson, Gail

Seismic Acquisition Parameters

Download As Text

EW0404_ACQ001 (Lines: 4,4A,4B,13,13A,20 and 27)

Source Information

AirGun (BOLT:1500C)

Source Number: 20

Volume (cu in): 6947

Pressure (psi): 2000

Depth (m): 7

Shot Interval (m): 150

Distance to Near Channel (m): 179

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): 7

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): 14.336

Details

EW0404_ACQ002 (Lines: All Other)

Source Information

AirGun (BOLT:1500C)

Source Number: 20

Volume (cu in): 6947

Pressure (psi): 2000

Depth (m): 7

Shot Interval (m): 50

Distance to Near Channel (m): 179

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): 7

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): 14.336

Details

EW0404_ACQ003 (Lines: 36)

Source Information

AirGun (BOLT:1500C)

Source Number: 20

Volume (cu in): 6947

Pressure (psi): 2000

Depth (m): 7

Shot Interval (m): 175

Distance to Near Channel (m): 179

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): 7

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): 14.336

Details

edu.utexas.ig:ew0404_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: Syntrack

Details

Receiver Type: Hydrophone_Streamer; Seismometer_OceanBottom

Source Type: SeismicSource_Gun_Air

Acquisition System Name: Syntrack

Acquisition System Type: digital

Seismic Nav System: GPS

Survey Datum: WGS84

Source to Near Channel (m): 179

Antenna to Source (m): 55.3

Number of Channels Recorded: 480

Channel Length (m): 12.5

Cable Receiver Depth (m): 7

Source Volume (cubicInches): 6947

Source Pressure (bars): 138

Source Number: 20

Source Depth (m): 7

Shot Control: distance

Shot Interval (s or m): 50: line(s) All Other.<br>150: line(s) 4; 4A; 4B; 13; 13A; 20 and 27<br>175: line(s) 36

Compass Birds: yes

Tail Buoy Positioning: yes

Recording Delay: no

Expand