EW0007 - 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

GMRT,

Tucholke, Brian

WHOI

Holbrook, W. Steven

University of Wyoming

Bathymetry:Singlebeam, Gravity:Field, Magnetic:Field

Device Info

Gravimeter, Magnetometer, Sonar:Multibeam

Maurice Ewing

Repository

MGDS

Format

MGD77

Tucholke, Brian

WHOI

Bathymetry:Swath

(Swath)

Device Info

Sonar:Multibeam

Maurice Ewing

Repository

MGDS

Format

MBSystem

Tucholke, Brian

WHOI

Holbrook, W. Steven

University of Wyoming

Navigation:Primary

Device Info

Navigation

Maurice Ewing

Repository

MGDS

Format

MGDS:Nav, SHP

Tucholke, Brian

WHOI

Seismic Reflection/Refraction

(Image Seismic, Segy)

Device Info

Seismic:MCS

Array:Maurice Ewing

Repository

MGDS

Format

ASCII, ASCII:TSN, PDF, SEGY

Deemer, Sharon

Holbrook, W. Steven

University of Wyoming

Hopper, John

Kobenhavns Universitet

Lau, Helen

Dalhousie

Shillington, Donna

University of Wyoming

Tucholke, Brian

WHOI

Related References

Seismic Reflection/Refraction (Data not online)

Device Info

Seismic:OBS

Array:Oceanus

Holbrook, W. Steven

Tucholke, Brian

WHOI

Related References

Event Logs

Line

Device Info

Seismic:MCS

Platform: Maurice Ewing (Array)

Holbrook, W. Steven

University of Wyoming

Line

Device Info

Related Devices

Tucholke, Brian

WHOI

Seismic Acquisition Parameters

Download As Text

EW0007_ACQ001 (Lines: All lines, sequences 1-49)

Source Information

AirGun (BOLT:1500C)

Source Number: 20

Volume (cu in): 8540

Pressure (psi): 2000

Depth (m): 7.5

Distance to Near Channel (m): 181.65

Distance to Antenna (m): 55.6

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 Active Tail Buoy: true

Used Compass Birds: true

Nav System

Trimble Tasman P-code GPS

WGS84

Acquisition System

Digital

Name: Syntrak 480

Sample Interval (msec): 4

Record Length (sec): 16

Details

Cable Depth was routinely 7.5m, but lowered to 10m in rough seas

Shot Interval was 50m for Seq 02(shots 2455-8430), Seq 04(9091-10310), Seq 09(11325-14718), Seq 10-15, 17-28, Seq 29(36564-36612), Seq 32-34, Seq 35(39880-39938), Seq 37-39, 41-49

Shot Interval was 62.5m for Seq 02(shots 8431-8564), Seq 04(10311-10316), Seq 05-08, Seq 09(11193-11324), Seq 29(36613-37078), Seq 30,31, Seq 35(39939-40366), Seq 36

Shot Interval was 75m for Seq 02 (shots 8565-8852), Seq 03, Seq 04(10317-10478)

Shot Interval was 200m for Seq 01,16,40

edu.utexas.ig:ew0007_acq001 (Lines: )

Source Information

AirGun

Receiver Information

Hydrophone:Streamer

Used Active Tail Buoy: false

Used Compass Birds: false

Nav System

Tasman P-code navigation satellite

WGS84

Acquisition System

Digital

Name: Syntrack 480

Details

Receiver Type: Hydrophone_Streamer

Source Type: SeismicSource_Gun_Air

Acquisition System Name: Syntrack 480

Acquisition System Type: digital

Seismic Nav System: Tasman P-code navigation satellite

Survey Datum: WGS84

Source to Near Channel (m): 181.65

Antenna to Source (m): 55.6

Number of Channels Recorded: 480

Channel Length (m): 12.5

Cable Receiver Depth (m): 7.5: normally; 10: in rough seas

Source Volume (cubicInches): 8540

Source Pressure (bars): null

Source Number: 20

Source Depth (m): 7.5

Shot Control: null

Shot Interval (s or m): null

Compass Birds: no

Tail Buoy Positioning: no

Recording Delay: no

References

Deemer et al., 2009 Structure and development of the southeast Newfoundland continental passive margin: derived from SCREECH Transect 3 Geophys. J. Int. 178. doi: 10.1111/j.1365-246X.2009.04162.x

Deemer et al., 2010 Post-rift flood-basalt-like volcanism on the Newfoundland Basin nonvolcanic margin: The U event mapped with spectral decomposition Tectonophysics 494. doi: 10.1016/j.tecto.2010.07.019

Eddy et al., 2013 Compressional and shear-wave velocity structure of the continent-ocean transition zone at the eastern Grand Banks, Newfoundland Geophysical Research Letters 40. doi: 10.1002/grl.50511

Funck et al., 2003 Crustal structure of the ocean-continent transition at Flemish Cap: Seismic refraction results J. Geophys. Res. 108(B11). doi: 10.1029/2003JB002434

Hawken, 2003 Seismic structure of the ocean continent boundary in the Newfoundland Basin from a multichannel seismic line Thesis .

Holbrook et al., 2003 Thermohaline fine structure in an oceanographic front from seismic reflection profiling Science 301. doi: 10.1126/science.1085116

Hopper et al., 2004 Continental breakup and the onset of ultraslow seafloor spreading off Flemish Cap on the Newfoundland rifted margin Geology 32(1). doi: 10.1130/G19694.1

Hopper et al., 2006 A deep seismic investigation of the Flemish Cap margin: implications for the origin of deep reflectivity and evidence for asymmetric break-up between Newfoundland and Iberia Geophys. J. Int. 164( 3). doi: 10.1111/j.1365-246X.2006.02800.x

Lau et al., 2006 Crustal structure across the Grand Banks - Newfoundland Basin continental margin (Part I) - Results from a seismic refraction profile Geophys. J. Int. 167. doi: 10.1111/j.1365-246X.2006.02988.x

Lau et al., 2006 Crustal structure across the Grand Banks - Newfoundland Basin continental margin (Part II) - Results from a seismic reflection profile Geophys. J. Int. 167. doi: 10.1111/j.1365-246X.2006.02989.x

Lau, 2005 Structure of the Eastern Grand Banks/Newfoundland Basin Rifted Margin Ph.D. Dissertation .

Peron-Pinvidic et al., 2007 Tectonosedimentary evolution of the deep Iberia-Newfoundland margins: Evidence for a complex breakup history Tectonics 26. doi: 10.1029/2006TC001970

Peron-Pinvidic et al., 2010 Characterization of sills associated with the U reflection on the Newfoundland margin: evidence for widespread early post-rift magmatism on a magma-poor rifted margin Geophys. J. Int. 182(1). doi: 10.1111/j.1365-246X.2010.04635.x

Shillington et al., 2004 Data report: Marine geophysical data on the Newfoundland nonvolcanic rifted margin around SCREECH Transect 2 Proc. ODP 210. doi: 10.2973/odp.proc.ir.210.105.2004

Shillington et al., 2006 Evidence for asymmetric nonvolcanic rifting and slow incipient oceanic accretion from seismic reflection data on the Newfoundland margin J. Geophys. Res. 111(B9). doi: 10.1029/2005JB003981

Shillington et al., 2007 Linking core and seismic data without logs: Core-seismic correlation at Site 1276 Proc. ODP 210. doi: 10.2973/odp.proc.sr.210.110.2007

Shillington et al., 2008 Seismic signal penetration beneath post-rift sills on the Newfoundland rifted margin Geophysics 73. doi: 10.1190/1.2972131

Shillington, 2004 The Formation and Rupturing of Continents: Seismic Studies of the Aleutian Island Arc and the Newfoundland Nonvolcanic Rifted Margin Ph.D. Dissertation .

Theunissen and Huismans, 2022 Mantle exhumation at magma-poor rifted margins controlled by frictional shear zones Nat Commun 13. doi: 10.1038/s41467-022-29058-1

Van Avendonk et al., 2006 Seismic velocity variations across the rifted margin of the eastern Grand Banks J. Geophys. Res. 111. doi: 10.1029/2005JB004156

Van Avendonk et al., 2009 Extension of continental crust at the margin of the eastern Grand Banks, Newfoundland Tectonophysics 468. doi: 10.1016/j.tecto.2008.05.030

Scientific Personnel

Deemer, Sharon

Investigator
(not in field)

Memorial University

GMRT,

Investigator
(not in field)

LDEO

Hogan, Michael

Watchstander

Holbrook, W. Steven

Scientist:Co-Chief

University of Wyoming

Hopper, John

Scientist

Kobenhavns Universitet

Lang, Rasmus

Watchstander

DGF

Lau, Helen

Watchstander

Dalhousie

Nunes, Greg

Watchstander

Puckett, Jeremiah

Watchstander

Shillington, Donna

Watchstander

University of Wyoming

Tucholke, Brian

Scientist:Chief

WHOI

Volkmer, John

Watchstander

University of Wyoming

Winsor, Jonathan

Watchstander

Memorial University

vanAvendonk, Harm

Scientist

University of Wyoming

Support Personnel

Byrne, John

Technician:Airgun

LDEO

DiBernardo, John

Technician:Airgun

LDEO

QaliMaiwiriwiri, Ropate

Technician:Airgun

LDEO

Rawson, Grant

Technician:Airgun

Robinson, William

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

Platform Info

Maurice Ewing

Array

Seismic:OBS

Device Info

NotProvided

Platform Info

Oceanus

Array