MGL1407 - Marine Geoscience Data System

Sensor Data

Sort by:

Backscatter:Acoustic, Bathymetry:Swath, Sidescan

(Swath)

Device Info

Sonar:Multibeam

Marcus G. Langseth

Repository

MGDS

Format

MBSystem

Boza, Ximena

UNH

Ferrini, Vicki

LDEO

Bathymetry:Swath

Device Info

Sonar:Multibeam

Marcus G. Langseth

Repository

R2R

Format

MBSystem

Hutchinson, Deborah

USGS

Gravity:Field

Device Info

Gravimeter

Marcus G. Langseth

Repository

R2R

Format

ASCII

Hutchinson, Deborah

USGS

Magnetic:Field

Device Info

Magnetometer

Marcus G. Langseth

Repository

R2R

Format

ASCII

Hutchinson, Deborah

USGS

Navigation:Primary

Device Info

Navigation

Marcus G. Langseth

Repository

R2R

Format

R2R:Nav

Hutchinson, Deborah

USGS

Seismic Reflection/Refraction

Device Info

Seismic:Sonobuoy

Array:Marcus G. Langseth

Repository

MGDS

Format

SEGY

Hutchinson, Deborah

USGS

Miller, Nathan C.

USGS

Seismic Reflection/Refraction

Device Info

Seismic:MCS

Array:Marcus G. Langseth

Repository

MGDS

Format

ASCII, P1, P2, SEGD

Hutchinson, Deborah

USGS

Miller, Nathan C.

USGS

Related References

Seismic:Active:Subbottom

Device Info

Seismic:Subbottom

Marcus G. Langseth

Repository

R2R

Format

KEB

Hutchinson, Deborah

USGS

Temperature, Velocity:Sound

Device Info

Probe:Expendable:XBT

Marcus G. Langseth

Repository

R2R

Format

ASCII

Hutchinson, Deborah

USGS

Event Logs

Line

Device Info

Related Devices

Hutchinson, Deborah

USGS

Station:Surface

Device Info

Related Devices

Hutchinson, Deborah

USGS

Seismic Acquisition Parameters

Download As Text

MGL1407_ACQ001 (Lines: Sequences 1,18,19,20)

Source Information

AirGun (BOLT:1500LL)

Volume (cu in): 6600

Pressure (psi): 2000

Depth (m): 9

Distance to Near Channel (m): 225

Distance to Antenna (m): 213

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 468

Channels Recorded: 468

Group Spacing (m): 12.5

Cable Length (m): 6000

Cable Depth (m): 9

Near Channel Number: 468

Used Active Tail Buoy: true

Used Compass Birds: true

Nav System

CNAV 3050 - Primary

WGS84

Acquisition System

Digital

Name: Sercel Syntrak 960

Sample Interval (msec): 1

Details

Shot Interval is 25m for Seq 1

Shot Interval is 50m for Seq 18,19,20

Record Length is 9.5s for Seq 1

Record Length is 18s for Seq 18,19,20

Source Number was not provided, but likely 36 airguns

MGL1407_ACQ002 (Lines: Sequences 2-17)

Source Information

AirGun (BOLT:1500LL)

Volume (cu in): 6600

Pressure (psi): 2000

Depth (m): 9

Shot Interval (m): 50

Distance to Near Channel (m): 225

Distance to Antenna (m): 213

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 636

Channels Recorded: 636

Group Spacing (m): 12.5

Cable Length (m): 8000

Near Channel Number: 636

Used Active Tail Buoy: true

Used Compass Birds: true

Nav System

CNAV 3050 - Primary

WGS84

Acquisition System

Digital

Name: Sercel Syntrak 960

Sample Interval (msec): 2

Details

Record Length is 20s for Seq 2-7

Record Length is 18s for Seq 8-17

Streamer Depth is 9.5m for Seq 2,3,4

Streamer Depth is 9.0m for Seq 5-17

Source Number was not provided, but likely was 36 airguns

References

Ruppel et al., 2022 US Atlantic Margin Gas Hydrates . In book: World Atlas of Submarine Gas Hydrates in Continental Margins. doi: 10.1007/978-3-030-81186-0_24

Scientific Personnel

Arsenault, Matthew

Scientist

USGS

Baldwin, Wayne

Scientist

USGS

Boza, Ximena

Investigator
(not in field)

UNH

Ferrini, Vicki

Investigator
(not in field)

LDEO

Fortin, William

Scientist

USGS

Foster, David

Scientist

USGS

Hutchinson, Deborah

Scientist:Chief

USGS

Meyer, Brian

Scientist

USGS

Miller, Nathan C.

Scientist:Co-Chief

USGS

Moore, Eric

Scientist

USGS

O'Brien, Thomas

Scientist

USGS

VanPay, Brian

Scientist

DOS

Support Personnel

Curran, Leslie

Observer:MarineMammal

RPS

Curtis, Klayton

Navigator

NCS SubSea

Dugan, Laurie

Observer:MarineMammal

RPS

Frey, Cassandra

Observer:MarineMammal

RPS

Gutierrez, Carlos

Technician:Airgun:Chief

LDEO:Office of Marine Operations

Ingram, Heidi

Observer:MarineMammal

RPS

Kasinger, Josh

Technician:Airgun

NCS SubSea

Koprowski, Robert

Technician

LDEO:Office of Marine Operations

Marcella, Laura

Observer:MarineMammal

RPS

Martello, Michael

Navigator

Geomotive

Martinson, David

Technician:Science:Chief

LDEO:Office of Marine Operations

Rich, Chadwick

Technician:Airgun

NCS SubSea

Slagle, Angela

Technician:Science

LDEO:Office of Marine Operations

Thompson, Alan

Technician

LDEO:Office of Marine Operations

Instruments

Gravimeter

Device Info

BGM-3

BellAerospace

Magnetometer

Device Info

G-882

Geometrics

Navigation

Device Info

NotProvided

Probe:Expendable:XBT

Device Info

MK21

Sippican

Seismic:Subbottom

Device Info

3260

Knudsen

Sonar:Multibeam

Device Info

EM122

Kongsberg

Seismic:MCS

Device Info

NotProvided

Platform Info

Marcus G. Langseth

Array

Seismic:Sonobuoy

Device Info

NotProvided

Platform Info

Marcus G. Langseth

Array