Marine Geoscience Data System

Seismic Reflection/Refraction Data at the Academic Seismic Portal

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Expeditions / Compilations

EW0305

Maurice Ewing

Processed

Acquisition Information

Processed Data Sets

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Seismic:Velocity:Model

Data DOI: 10.60521/331943

Seismic P-wave velocity models (netCDF format) for Hess Deep from a 2003 MCS survey (EW0305)

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:MCS

LDEO

Events

Line Log

Locale

HessDeep

Rift

File Format

NetCDF:Grid

Quality

Christeson, Gail

UTIG

Morgan, Joanna

Imperial College London

Warner, Michael

Imperial College London

Data Set References

Seismic:Velocity:Model

Data DOI: 10.60521/331944

Velocity model navigation files (ASCII format) for Hess Deep from a 2003 MCS survey (EW0305)

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:MCS

LDEO

Events

Line Log

Locale

HessDeep

Rift

File Format

ASCII

Quality

Christeson, Gail

UTIG

Morgan, Joanna

Imperial College London

Warner, Michael

Imperial College London

Data Set References

Event Logs

Line (EW0305)

Device Info

Related Devices

Christeson, Gail

UTIG

Line (EW0305)

Device Info

Seismic:MCS

LDEO

Platform: Maurice Ewing (Array)

Seismic:MCS

Platform: Maurice Ewing (Array)

Seismic:OBS

Platform: Maurice Ewing (Array)

Christeson, Gail

UTIG

Station:Bottom:Deployed (EW0305)

Device Info

Seismic:OBS

Platform: Maurice Ewing (Array)

Christeson, Gail

UTIG

Seismic Acquisition Parameters

Download As Text

EW0305_ACQ001 (Lines: 101-104,107-108,111-206, 208-315)

Source Information

AirGun (BOLT:1500C)

Source Number: 10

Volume (cu in): 3050

Pressure (psi): 2000

Depth (m): 7

Shot Interval (m): 38

Distance to Near Channel (m): 185.5

Distance to Antenna (m): 88.6

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 240

Channels Recorded: 240

Group Spacing (m): 25

Cable Depth (m): 10

Near Channel Number: 240

Used Active Tail Buoy: false

Nav System

Acquisition System

Digital

Name: Syntron Syntrak 480

Sample Interval (msec): 4

Record Length (sec): 11

Details

EW0305_ACQ002 (Lines: 105-106,109-110,207)

Source Information

AirGun (BOLT:1500C)

Source Number: 10

Volume (cu in): 3050

Pressure (psi): 2000

Depth (m): 7

Shot Interval (m): 38

Distance to Near Channel (m): 185.5

Distance to Antenna (m): 88.6

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 240

Channels Recorded: 240

Group Spacing (m): 25

Cable Depth (m): 10

Near Channel Number: 240

Used Active Tail Buoy: false

Nav System

Acquisition System

Digital

Name: Syntron Syntrak 480

Sample Interval (msec): 4

Record Length (sec): 12

Details

edu.utexas.ig:ew0305_acq001 (Lines: )

Source Information

AirGun

Receiver Information

NotApplicable

Used Active Tail Buoy: false

Used Compass Birds: false

Nav System

GPS

WGS84

Acquisition System

Digital

Name: Syntron Syntrak 480

Details

Receiver Type: Hydrophone_Streamer; Seismometer_OceanBottom

Source Type: SeismicSource_Gun_Air

Acquisition System Name: Syntron Syntrak 480

Acquisition System Type: digital

Seismic Nav System: GPS

Survey Datum: WGS84

Source to Near Channel (m): 185.5

Antenna to Source (m): 88.6

Number of Channels Recorded: 240

Channel Length (m): 25

Cable Receiver Depth (m): 10

Source Volume (cubicInches): 3050

Source Pressure (bars): 138

Source Number: 10

Source Depth (m): 7

Shot Control: distance

Shot Interval (s or m): 37.5

Compass Birds: no

Tail Buoy Positioning: no

Recording Delay: no

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