EW9914 - Marine Geoscience Data System

Sensor Data

Sort by:

Backscatter:Acoustic, Bathymetry:Swath

(Swath)

Device Info

Sonar:Multibeam

Maurice Ewing

Repository

NOAA:NCEI

Repository

MGDS

Format

MBSystem

Harding, Alistair

SIO

Bathymetry:Singlebeam, Gravity:Field, Magnetic:Field

Device Info

Gravimeter, Magnetometer, Sonar:Multibeam

Maurice Ewing

Repository

MGDS

Format

MGD77

Harding, Alistair

SIO

Bathymetry:Swath

(Swath)

Device Info

Sonar:Multibeam

Maurice Ewing

Repository

MGDS

Format

MBSystem

Harding, Alistair

SIO

GMRT,

Navigation:Primary

Device Info

Navigation

Maurice Ewing

Repository

MGDS

Format

MGDS:Nav, SHP

Harding, Alistair

SIO

Seismic Reflection/Refraction

(Image Seismic, Segy)

Device Info

Seismic:MCS

Array:Maurice Ewing

Repository

MGDS

Format

ASCII, ASCII:TSN, PDF, SEGY

Harding, Alistair

SIO

Related References

Event Logs

Line

Device Info

Related Devices

Harding, Alistair

SIO

Line

Device Info

Seismic:MCS

Platform: Maurice Ewing (Array)

Harding, Alistair

SIO

Seismic Acquisition Parameters

Download As Text

EW9914_ACQ001 (Lines: 01)

Source Information

AirGun (BOLT:1500C)

Source Number: 10

Volume (cu in): 3048

Pressure (psi): 2000

Shot Interval (m): 37.5

Distance to Near Channel (m): 222.5

Distance to Antenna (m): 56

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 Length (m): 6000

Near Channel Number: 480

Used Compass Birds: true

Nav System

GPS

WGS84

Acquisition System

Digital

Name: Syntron Syntrak 480

Sample Interval (msec): 4

Record Length (sec): 10

Details

EW9914_ACQ002 (Lines: 02-61)

Source Information

AirGun (BOLT:1500C)

Source Number: 10

Volume (cu in): 3048

Pressure (psi): 2000

Shot Interval (m): 37.5

Distance to Near Channel (m): 190.6

Distance to Antenna (m): 56

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 Length (m): 6000

Near Channel Number: 480

Used Compass Birds: true

Nav System

GPS

WGS84

Acquisition System

Digital

Name: Syntron Syntrak 480

Sample Interval (msec): 4

Record Length (sec): 10

Details

edu.utexas.ig:ew9914_acq001 (Lines: )

Source Information

AirGun

Receiver Information

Hydrophone:Streamer

Used Active Tail Buoy: false

Used Compass Birds: false

Nav System

GPS

WGS84

Acquisition System

Digital

Name: Syntron

Details

Receiver Type: Hydrophone_Streamer

Source Type: SeismicSource_Gun_Air

Acquisition System Name: Syntron

Acquisition System Type: digital

Seismic Nav System: GPS

Survey Datum: WGS84

Source to Near Channel (m): 222.5: Line 1; 190.6: All other lines

Antenna to Source (m): 56

Number of Channels Recorded: 480

Channel Length (m): 12.5

Cable Receiver Depth (m): unknown

Source Volume (cubicInches): 3048

Source Pressure (bars): unknown

Source Number: 10

Source Depth (m): unknown

Shot Control: time

Shot Interval (s or m): 16.2

Compass Birds: no

Tail Buoy Positioning: no

Recording Delay: no

References

Dingler, 2007 Characteristics of the Upper Crust and Magma Chambers Along the Spreading Centers of the Lau back-arc Basin Ph.D. Dissertation .

Jacobs et al., 2007 Axial crustal structure of the Lau back-arc basin from velocity modeling of multichannel seismic data Earth and Planetary Science Letters 259(3-4). doi: 10.1016/j.epsl.2007.04.021

Scientific Personnel

Babcock, Jeffrey

Scientist

SIO

Boettcher, Margaret

Scientist

WHOI

Collins, John

Scientist

WHOI

GMRT,

Investigator
(not in field)

LDEO

Hallenberg, Eric

Scientist

Harding, Alistair

Scientist:Chief

SIO

Henkart, Paul

Scientist

SIO

Kent, Graham

Scientist

SIO

Neenan, Diann

Scientist

Support Personnel

Hagel, Karl

Technician:Electronics

LDEO

Stennett, Joseph

Technician:Science

LDEO

Turmelle, Jeff

Technician:Data

LDEO

Instruments

Gravimeter

Device Info

BGM-3

BellAerospace

Magnetometer

Device Info

G-886

Geometrics

Navigation

Device Info

NotProvided

Sonar:Multibeam

Device Info

Hydrosweep DS

Atlas

Seismic:MCS

Device Info

NotProvided

LDEO

Platform Info

Maurice Ewing

Array

Seismic:MCS

Device Info

NotProvided

Platform Info

Maurice Ewing

Array