Marine Geoscience Data System

Raw Data Sets

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Backscatter:Acoustic, Bathymetry:Swath

Data at NOAA:NCEI

Platform Info

Maurice Ewing

LDEO

Device Info

Sonar:Multibeam

Atlas:Hydrosweep DS

Locale

CentralAmerica

SubductionZone

File Format

MBSystem

Quality

0

Fisher, Andrew

UCSC

Backscatter:Acoustic, Bathymetry:Swath

Data DOI: 10.1594/IEDA/303122

Raw ship-based Multibeam Sonar Data from the Central America Subduction Zone acquired during R/V Maurice Ewing expedition EW0104 (2001)

Platform Info

Maurice Ewing

LDEO

Device Info

Sonar:Multibeam

Atlas:Hydrosweep DS

Locale

CentralAmerica

SubductionZone

File Format

MBSystem

Quality

0

Fisher, Andrew

UCSC

Data Set References

Event Logs

Line (EW0104)

Device Info

Related Devices

Fisher, Andrew

UCSC

Line (EW0104)

Device Info

Seismic:MCS

Platform: Maurice Ewing (Array)

Harris, Robert

University of Utah

Seismic Acquisition Parameters

Download As Text

EW0104_ACQ001 (Lines: All)

Source Information

AirGun (BOLT:1500C)

Source Number: 10

Volume (cu in): 3050

Pressure (psi): 2000

Depth (m): 6

Shot Interval (m): 38

Distance to Near Channel (m): 181.7

Distance to Antenna (m): 53.4

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 480

Channels Recorded: 480

Group Spacing (m): 12.5

Cable Depth (m): 6

Near Channel Number: 480

Used Active Tail Buoy: true

Used Compass Birds: true

Nav System

Acquisition System

Digital

Name: Syntron Syntrak 480

Sample Interval (msec): 4

Record Length (sec): 10.24

Details

edu.utexas.ig:ew0104_acq001 (Lines: )

Source Information

AirGun

Receiver Information

Hydrophone:Streamer

Used Active Tail Buoy: false

Used Compass Birds: false

Nav System

Tasman P-code

WGS84

Acquisition System

Digital

Name: Syntron Syntrak 480

Details

Receiver Type: Hydrophone_Streamer

Source Type: SeismicSource_Gun_Air

Acquisition System Name: Syntron Syntrak 480

Acquisition System Type: digital

Seismic Nav System: Tasman P-code

Survey Datum: WGS84

Source to Near Channel (m): 181.7

Antenna to Source (m): 53.4

Number of Channels Recorded: 480

Channel Length (m): 12.5

Cable Receiver Depth (m): 9-Jun

Source Volume (cubicInches): 3050

Source Pressure (bars): 138

Source Number: 10

Source Depth (m): 9-Jun

Shot Control: distance

Shot Interval (s or m): 37.5

Compass Birds: no

Tail Buoy Positioning: no

Recording Delay: no