Marine Geoscience Data System

Processed Data Sets

Sort by:

Backscatter:Acoustic, Bathymetry:Swath, Sidescan

Platform Info

Marcus G. Langseth

LDEO

Device Info

Sonar:Multibeam

Kongsberg:EM122

Locale

PacificOcean

Ocean

File Format

MBSystem

Quality

2

Details

Files 0198_20111201_043120_Langseth_p.mb59 and 1155_20111224_122221_Langseth_p.mb59 deleted due to potential corruption - they have reasonable file size but do not appear to contain any valid pings.

Gaherty, James

LDEO

Lizarralde, Dan

WHOI

Collins, John

WHOI

Evans, Robert

WHOI

Hirth, Gregory

Brown University

Backscatter:Acoustic, Bathymetry:Swath, Sidescan

Data DOI: 10.26022/IEDA/320553

Processed ship-based Multibeam Sonar Data (version 2) acquired in the Pacific Ocean during the Marcus G. Langseth expedition MGL1115 (2011)

Platform Info

Marcus G. Langseth

LDEO

Device Info

Sonar:Multibeam

Kongsberg:EM122

Locale

PacificOcean

Ocean

File Format

MBSystem

Quality

2

Hosseini, Pariskeh

LDEO

Raw Data Sets

Sort by:

Backscatter:Acoustic, Bathymetry:Swath, Sidescan

Data at NOAA:NCEI

Platform Info

Marcus G. Langseth

LDEO

Device Info

Sonar:Multibeam

Kongsberg:EM122

Locale

PacificOcean

Ocean

File Format

MBSystem

Quality

0

Gaherty, James

LDEO

Event Logs

Line (MGL1115)

Device Info

Related Devices

Gaherty, James

LDEO

Station:Bottom (MGL1115)

Evans, Robert

WHOI

Station:Bottom (MGL1115)

Device Info

Seismic:OBS

Platform: Marcus G. Langseth

Seismic:OBS

Platform: Marcus G. Langseth (Array)

Gaherty, James

LDEO

Station:Bottom:Deployed (MGL1115)

Evans, Robert

WHOI

Station:WaterColumn:Released (MGL1115)

Device Info

Probe:Expendable:XBT

Sippican:T-5

Platform: Marcus G. Langseth

Gaherty, James

LDEO

Station:WaterColumn:Released (MGL1115)

Device Info

Probe:Expendable:XBT

Sippican:T-7

Platform: Marcus G. Langseth

Gaherty, James

LDEO

Seismic Acquisition Parameters

Download As Text

MGL1115_ACQ001 (Lines: Lines sequence 1-13, MCS and OBS)

Source Information

AirGun (BOLT:1500LL)

Source Number: 1

Volume (cu in): 6600

Pressure (psi): 2000

Depth (m): 9

Shot Interval (m): 600

Distance to Near Channel (m): 166.3

Distance to Antenna (m): 232

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): 5850

Cable Depth (m): 9

Near Channel Number: 468

Used Active Tail Buoy: true

Used Compass Birds: true

Nav System

C-Nav 3050 - primary

WGS84

Acquisition System

Digital

Name: Sercel Syntrak 960

Sample Interval (msec): 2

Record Length (sec): 16

Details