Marine Geoscience Data System

Processed Data Sets

Sort by:

Bathymetry:Swath

Data DOI: 10.1594/IEDA/323895

Processed Swath Bathymetry Data acquired during R/V Falkor expedition FK150523 (2015)

Platform Info

Falkor

SOI

Device Info

Sonar:Multibeam

Kongsberg:EM302

Locale

File Format

MBSystem

Quality

2

Celnick, Mollie

LDEO

Bathymetry:Swath

Data DOI: 10.1594/IEDA/322349

Processed ship-based GSF-Format Bathymetric Sonar Data (EM302) from the Sumatra-Andaman Subduction Zone acquired during Falkor expedition FK150523 (2015)

Platform Info

Falkor

SOI

Device Info

Sonar:Multibeam

Kongsberg:EM302

Locale

File Format

MBSystem

Quality

1

Sieh, Kerry

EOS

Data Set References

Event Logs

Line (FK150523)

Device Info

Seismic:MCS

Platform: Falkor (Array)

Singh, Satish

IPGP

Seismic Acquisition Parameters

Download As Text

FK150523_ACQ001 (Lines: All Lines Sequences 1-57)

Source Information

AirGun (SERCEL:G-gun)

Source Number: 2

Volume (cu in): 500

Pressure (psi): 2000

Depth (m): 3

Shot Interval (m): 25

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer (ION Geophysical Corporation:DigiStreamer)

Number of Cables: 1

Channels Per Cable: 96

Group Spacing (m): 12.5

Cable Length (m): 1200

Cable Depth (m): 4.5

Near Channel Number: 1

Used Active Tail Buoy: false

Used Compass Birds: true

Nav System

SeaPath GPS

WGS84

Acquisition System

Digital

Name: Digistreamer

Sample Interval (msec): 1

Details

Source to Near Channel=90m for Seq 01-29

Source to Near Channel=87.34m for Seq 30-57

Source to Stern=30m

Channels Recorded=96 seismic data channels and 16 aux channels

Record Length included pre-recording 50ms before each shot

Record Length=10.050s for Seq 1-18

Record Length=11.050s for Seq 19-57

Cable Depth was lowered to 5-6m due to rough seas on first half of Seq 37