Marine Geoscience Data System

Processed Data Sets

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Data DOI: 10.1594/IEDA/324716

Two-dimensional (2-D) tomographic P-wave velocity structure of the upper crust between the Mid-Atlantic Ridge and the Rio Grande Rise

Platform Info

Marcus G. Langseth

LDEO

Device Info

NotApplicable

Locale

AtlanticOcean:South

Ocean

File Format

NetCDF:Grid

Quality

2

Kardell, Dominik

UTIG

Christeson, Gail

UTIG

Estep, Justin

TAMU

Reece, Robert

TAMU

Carlson, Richard

TAMU

Data Set References

Raw Data Sets

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Seismic:WideAngle:OBS

Data at IRIS

Platform Info

Array:Marcus G. Langseth

LDEO

Device Info

Seismic:OBS

Events

Line Log

Station:Bottom Log

Locale

AtlanticOcean:South

Ocean

File Format

NotProvided

Quality

0

Reece, Robert

TAMU

Data Set References

Event Logs

Line (MGL1601)

Device Info

Seismic:MCS

LDEO

Platform: Marcus G. Langseth (Array)

Seismic:OBS

Platform: Marcus G. Langseth (Array)

Reece, Robert

TAMU

Line (MGL1601)

Device Info

Seismic:MCS

LDEO

Platform: Marcus G. Langseth (Array)

Seismic:MCS

Platform: Marcus G. Langseth (Array)

Christeson, Gail

UTIG

Station:Bottom (MGL1601)

Device Info

Related Devices

Reece, Robert

TAMU

Seismic Acquisition Parameters

Download As Text

MGL1601_ACQ001 (Lines: Lines Sequence 1-7, all OBS lines)

Source Information

AirGun (BOLT:1500LL)

Source Number: 1

Volume (cu in): 6600

Pressure (psi): 6600

Depth (m): 9

Shot Interval (m): 150

Distance to Antenna (m): 205

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Nav System

C-Nav 3050

WGS84

Acquisition System

Digital

Details

Shots recorded only by WHOI Ocean Bottom Seismometers

Source models were Bolt 1500LL and 1900LL

MGL1601_ACQ002 (Lines: Lines Sequence 7-30 (all MCS lines))

Source Information

AirGun (BOLT:1500LL)

Source Number: 36

Volume (cu in): 6600

Pressure (psi): 2000

Depth (m): 9

Shot Interval (m): 37.5

Distance to Near Channel (m): 217.7

Distance to Antenna (m): 205

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer (SERCEL:Sentinel Solid Streamer)

Number of Cables: 1

Channels Per Cable: 1008

Channels Recorded: 1008

Group Spacing (m): 12.5

Cable Length (m): 12600

Cable Depth (m): 9

Near Channel Number: 1

Used Active Tail Buoy: true

Used Compass Birds: true

Nav System

C-Nav 3050 primary, a global satellite-based differential receiver

WGS84

Acquisition System

Digital

Name: SERCEL SEAL 408

Sample Interval (msec): 2

Details

Record Length for Seq 7-28 was 15s

Record Length for Seq 29 was 14s

Record Length for Seq 30 was 12s

Source models were Bolt 1500LL and 1900LL