Marine Geoscience Data System

Raw Data Sets

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Seismic:Navigation

Data DOI: 10.1594/IEDA/324396

Processed Seismic Navigation Data (P1 format) acquired during R/V Marcus G. Langseth expedition MGL1701 (2017)

Platform Info

Array:Marcus G. Langseth

LDEO

Device Info

Seismic:MCS

LDEO

Events

Line Log

Locale

File Format

P1

Quality

1

Details

These processed (quality=1) P190 navigation files should be used for processing the MCS data.

Bangs, Nathan

UTIG

Trehu, Anne

COAS

Data Set References

Seismic:Reflection:MCS

Data DOI: 10.1594/IEDA/324399

Multi-Channel Seismic Shot Data acquired during R/V Marcus G. Langseth expedition MGL1701 (2017)

Platform Info

Array:Marcus G. Langseth

LDEO

Device Info

Seismic:MCS

LDEO

Events

Line Log

Locale

File Format

SEGD

Quality

0

Bangs, Nathan

UTIG

Trehu, Anne

COAS

Data Set References

Event Logs

Line (MGL1701)

Device Info

Seismic:MCS

LDEO

Platform: Marcus G. Langseth (Array)

Bangs, Nathan

UTIG

Seismic Acquisition Parameters

Download As Text

MGL1701_ACQ001 (Lines: Lines Sequence 1 - 7)

Source Information

AirGun (BOLT:1500LL)

Source Number: 1

Volume (cu in): 6600

Pressure (psi): 2000

Depth (m): 12

Shot Interval (m): 37.5

Distance to Near Channel (m): 226

Distance to Antenna (m): 205

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 1212

Channels Recorded: 1212

Group Spacing (m): 12.5

Cable Length (m): 15150

Cable Depth (m): 9

Near Channel Number: 1

Used Active Tail Buoy: true

Used Compass Birds: true

Nav System

C-Nav 3050 primary

WGS84

Acquisition System

Digital

Name: Sercel Seal 408

Sample Interval (msec): 2

Record Length (sec): 15

Details

Source was Bolt 1500LL and 1900LL

Sequence 1 record length 15 sec, sequence 2-7 16 sec

See MGL1701_Seal408_configuration_by_sequence.pdf for additional information

MGL1701_ACQ002 (Lines: Lines Sequence 8 - 45)

Source Information

AirGun (BOLT:1500LL)

Source Number: 1

Volume (cu in): 6600

Pressure (psi): 2000

Depth (m): 9

Shot Interval (m): 50

Distance to Near Channel (m): 196

Distance to Antenna (m): 235

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 1212

Channels Recorded: 1212

Group Spacing (m): 12.5

Cable Length (m): 15150

Cable Depth (m): 9

Near Channel Number: 1

Used Active Tail Buoy: true

Used Compass Birds: true

Nav System

C-Nav 3050 primary

WGS84

Acquisition System

Digital

Name: Sercel Seal 408

Sample Interval (msec): 2

Record Length (sec): 20

Details

Source was Bolt 1500LL and 1900LL

See MGL1701_Seal408_configuration_by_sequence.pdf for additional information