EW9903 - 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

Backscatter:Acoustic, Bathymetry:Swath, Sidescan

(Swath)

Device Info

Sonar:Multibeam

Maurice Ewing

Repository

MGDS

Format

MBSystem

GMRT,

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

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

Christeson, Gail

Harding, Alistair

SIO

Kent, Graham

UNR

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

EW9903_ACQ001 (Lines: Sequences 1-40)

Source Information

AirGun (BOLT:1500C)

Volume (cu in): 3010

Depth (m): 8

Distance to Near Channel (m): 182

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

Cable Depth (m): 10

Near Channel Number: 480

Nav System

GPS Trimble 200D P-Code primary

WGS84

Acquisition System

Digital

Name: Sercel Syntrak 480

Sample Interval (msec): 2

Details

Shot Interval varies from 15 to 20 seconds but could have been shot by distance

Record Length was 11.264 seconds for Sequence 10 and 11. Record Length for all other lines was 12.288 seconds.

edu.utexas.ig:ew9903_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: DSS-240

Details

Receiver Type: Hydrophone_Streamer

Source Type: SeismicSource_Gun_Air

Acquisition System Name: DSS-240

Acquisition System Type: digital

Seismic Nav System: GPS

Survey Datum: WGS84

Source to Near Channel (m): 182

Antenna to Source (m): 56

Number of Channels Recorded: 480

Channel Length (m): 12.5

Cable Receiver Depth (m): 10

Source Volume (cubicInches): 3010

Source Pressure (bars): not recorded

Source Number: 10 guns (tapered)

Source Depth (m): 8

Shot Control: null

Shot Interval (s or m): null

Compass Birds: no

Tail Buoy Positioning: no

Recording Delay: no

References

Christeson et al., 2016 Physical properties and seismic structure of Izu-Bonin-Mariana fore-arc crust: Results from IODP Expedition 352 and comparison with oceanic crust Geochem Geophys Geosyst 17. doi: 10.1002/2016GC006638

Hallenborg et al., 2003 Seismic structure of 15 Ma oceanic crust formed at an ultra-fast spreading East Pacific Rise: Evidence for kilometer-scale fracturing from dipping reflectors J. Geophys. Res. 108(B11), 2532. doi: 10.1029/2003JB002400

Hallenborg, 2003 The Structure of Mature Oceanic Crust: Tectonic Features Revealed in Superfast-spread Cocos Plate by Multichannel Seismic Grids and Swath Bathymetry Ph.D. Dissertation .

Wilson et al., 2003 Data report: Site survey results from cruise EW9903 Proc. ODP 206. doi: 10.2973/odp.proc.ir.206.104.2003

Scientific Personnel

Bazin, Sara

Scientist

IPGP

Christeson, Gail

Investigator
(not in field)

UTIG

GMRT,

Investigator
(not in field)

LDEO

Gans, Kate

Scientist

Hallenberg, Eric

Scientist

Harding, Alistair

Scientist:Chief

SIO

Heesom, Paul

Scientist

Henkart, Paul

Scientist

SIO

Hollinshead, Crispin

Scientist

SIO

Kent, Graham

Scientist

UNR

Sutherland, Fiona

Scientist

Wilson, Douglas

Scientist:Co-Chief

UCSB

Zimmer, Paul

Scientist

Support Personnel

Leidhold, Christopher

Technician:Science

LDEO

QaliMaiwiriwiri, Ropate

Bosun:Core

LDEO

Vsevolozhsky, Greg

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