EW0501 - Marine Geoscience Data System

Sensor Data

Sort by:

Bathymetry:Singlebeam, Gravity:Field

Device Info

Gravimeter, Sonar:Multibeam

Maurice Ewing

Repository

MGDS

Format

MGD77

Gulick, Sean

UTIG

Bathymetry:Swath

(Swath)

Device Info

Sonar:Multibeam

Maurice Ewing

Repository

MGDS

Format

MBSystem

Gulick, Sean

UTIG

Barton, Penny

University of Cambridge

Navigation:Primary

Device Info

Navigation

Maurice Ewing

Repository

MGDS

Format

MGDS:Nav, SHP

Gulick, Sean

UTIG

Seismic Reflection/Refraction

(Image Seismic, Segy)

Device Info

Seismic:MCS

Array:Maurice Ewing

Repository

MGDS

Format

ASCII, ASCII:TSN, P1, P2, PDF, SEGY

Christeson, Gail

UTIG

Gulick, Sean

UTIG

Barton, Penny

University of Cambridge

Melosh, Henry

Related References

Seismic Reflection/Refraction

Device Info

Seismic:Seismometer

Repository

IRIS

Gulick, Sean

UTIG

Barton, Penny

University of Cambridge

Related References

Seismic Reflection/Refraction (Data not online)

Device Info

Seismic:OBS

Array:Maurice Ewing

Gulick, Sean

UTIG

Related References

Seismic:Velocity:Model

(Grid)

Device Info

Seismic:MCS

Array:Maurice Ewing

Repository

MGDS

Format

NetCDF:Grid

Christeson, Gail

UTIG

Event Logs

Line

Device Info

Seismic:MCS

LDEO

Platform: Maurice Ewing (Array)

Seismic:MCS

Platform: Maurice Ewing (Array)

Gulick, Sean

UTIG

Line

Device Info

Seismic:MCS

Platform: Maurice Ewing (Array)

Gulick, Sean

UTIG

Seismic Acquisition Parameters

Download As Text

EW0501_ACQ001 (Lines: 1R,2,2A(partial),2R,4A-4C,6,6A,8,10;Sequence 1-9(shotpoint 391))

Source Information

AirGun (BOLT:1500C)

Volume (cu in): 6947

Pressure (psi): 2000

Depth (m): 6

Shot Interval (m): 50

Distance to Near Channel (m): 180

Distance to Antenna (m): 55.3

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): 7

Near Channel Number: 480

Used Active Tail Buoy: true

Used Compass Birds: true

Nav System

TASMON P(Y)-code GPS

WGS84

Acquisition System

Digital

Name: Syntron Syntrak 480

Sample Interval (msec): 2

Record Length (sec): 14.336

Details

Source Number = 20

There was a 25 min source ramp up from 1 to 20 guns at the start of each window of operation. See EW0501.cruiserpt.pdf for details

EW0501_ACQ002 (Lines: 2A(partial); Sequence 9(shotpoints 421-543))

Source Information

AirGun (BOLT:1500C)

Volume (cu in): 6947

Pressure (psi): 2000

Depth (m): 6

Shot Interval (m): 50

Distance to Near Channel (m): 12

Distance to Antenna (m): 55.3

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): 7

Near Channel Number: 480

Used Active Tail Buoy: true

Used Compass Birds: true

Nav System

TASMON P(Y)-code GPS

WGS84

Acquisition System

Digital

Name: Syntron Syntrak 480

Sample Interval (msec): 2

Record Length (sec): 14.336

Details

Source Number = 20

There was a 25 min source ramp up from 1 to 20 guns at the start of each window of operation. See EW0501.cruiserpt.pdf for details.

EW0501_ACQ003 (Lines: 1,2B,3-3R,4D-4R,5-5R,6B-6RA,7R,9,11B-25,OBS; Sequences 10-40)

Source Information

AirGun (BOLT:1500C)

Volume (cu in): 6947

Pressure (psi): 2000

Depth (m): 6

Shot Interval (m): 50

Distance to Near Channel (m): 112.5

Distance to Antenna (m): 55.3

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): 7

Near Channel Number: 480

Used Active Tail Buoy: true

Used Compass Birds: true

Nav System

TASMON P(Y)-code GPS

WGS84

Acquisition System

Digital

Name: Syntron Syntrak 480

Sample Interval (msec): 2

Record Length (sec): 14.336

Details

Source Number = 20

There was a 25 min source ramp up from 1 to 20 guns at the start of each window of operation. See EW0501.cruiserpt.pdf for details.

edu.utexas.ig:ew0501_acq001 (Lines: )

Source Information

AirGun

Receiver Information

Hydrophone:Streamer

Used Active Tail Buoy: false

Used Compass Birds: false

Nav System

Tasmon P-Code GPS

WGS84

Acquisition System

Digital

Name: Syntrak

Details

Receiver Type: Hydrophone_Streamer

Source Type: SeismicSource_Gun_Air

Acquisition System Name: Syntrak

Acquisition System Type: digital

Seismic Nav System: Tasmon P-Code GPS

Survey Datum: WGS84

Source to Near Channel (m): 180: jan20-26, 15: 56 (1st part 2A); 13: for Jan 26, 16:07-16:56; 112.5: for Jan 26, 17:26-Feb 17. Note: Spectra calculated exact source receiver locations which were then recorded in UK00A format files

Antenna to Source (m): 55.3

Number of Channels Recorded: 480

Channel Length (m): 12.5

Cable Receiver Depth (m): 7

Source Volume (cubicInches): 6947

Source Pressure (bars): 138

Source Number: 20

Source Depth (m): 6

Shot Control: distance

Shot Interval (s or m): 50

Compass Birds: no

Tail Buoy Positioning: no

Recording Delay: no

References

Barton et al., 2010 Seismic images of Chicxulub impact melt sheet and comparison with the Sudbury structure Geol. Soc. Am. Special Paper 465. In book: Large Meteorite Impacts and Planetary Evolution IV. doi: 10.1130/2010.2465(07)

Christeson et al., 2009 Mantle deformation beneath the Chicxulub impact crater Earth and Planetary Science Letters 284. doi: 10.1016/j.epsl.2009.04.033

Collins et al., 2008 Dynamic modeling suggests terrace zone asymmetry in the Chicxulub crater is caused by target heterogeneity Earth and Planetary Science Letters 270. doi: 10.1016/j.epsl.2008.03.032

Gulick et al., 2008 Importance of pre-impact crustal structure for the asymmetry of the Chicxulub impact crater Nat. Geosci. 1. doi: 10.1038/ngeo103

Gulick et al., 2013 Geophysical characterization of the Chicxulub impact crater Rev. of Geophys. 51. doi: 10.1002/rog.20007

Guzman-Hidalgo et al., 2021 Seismic stratigraphic evidence of a pre-impact basin in the Yucatan Platform: morphology of the Chicxulub crater and K/Pg boundary deposits Marine Geology 441. doi: 10.1016/j.margeo.2021.106594

McDonald, 2006 The Chicxulub Impact Crater and Oblique Impact M.S. Thesis .

McDonald, 2006 The Chicxulub Impact Crater and Oblique Impact: Appendix A: Seismic reflection data processing M.S. Thesis .

Morgan et al., 2005 Chicxulub Crater Seismic Survey prepares way for future drilling Eos Trans. AGU 86. doi: 10.1029/2005EO360001

Morgan et al., 2011 Full waveform tomographic images of the peak ring at the Chicxulub impact crater J. Geophys. Res. 116. doi: 10.1029/2010JB008015

Vermeesch and Morgan, 2008 Structural uplift beneath the Chicxulub impact structure J. Geophys. Res. 113. doi: 10.1029/2007JB005393

Vermeesch et al., 2009 Three-dimensional joint inversion of traveltime and gravity data across the Chicxulub impact crater J. Geophys. Res. 114. doi: 10.1029/2008JB005776

Scientific Personnel

Antochiw, Diana

Observer

Barton, Penny

Scientist:Co-Chief

University of Cambridge

Burchell, Alan

Scientist

Durham University

Christeson, Gail

Scientist

UTIG

Coevas, Eduardo

Observer

Goldin, Tamara

Scientist

University of Arizona

Gonzalez, Gabriel

Observer

Gulick, Sean

Scientist:Chief

UTIG

MacDonald, Matthew

Scientist

Martinez, Oscar

Scientist

University of Arizona

McIntosh, James

Technician

SOC

Melosh, Henry

Scientist

Mendoza, Karen

Scientist

Portilla, Gabriella

Observer

Reyes, Elizabeth

Observer

Reyes, Manuel

Observer

Rojas, Ruben Romero

Observer

Salinas, Juan Carlos

Observer

Sears, Timothy

Technician

Surendra, Anusha

Scientist

University of Cambridge

Vasquez, Ernesto

Observer

Vermeesh, Peggy

Scientist

Imperial College London

Support Personnel

DiBernardo, John

Technician:Airgun

LDEO

Fossati, Claudio

Observer:MarineMammal

Goldstein, Howard

Observer:MarineMammal

Holst, Meike

Observer:MarineMammal

LDEO:Office of Marine Operations

Johnson, Anthony

Technician:Data

LDEO

Kathmann, Dietmar

Technician:Electronics

LDEO

Koczynski, Ted

Technician:Science

LDEO

Zapata, Maria Theresa

Observer:MarineMammal

Instruments

Gravimeter

Device Info

BGM-3

BellAerospace

Navigation

Device Info

NotProvided

Seismic:Seismometer

Device Info

NotProvided

Sonar:Multibeam

Device Info

Hydrosweep DS2

Atlas

Seismic:MCS

Device Info

NotProvided

LDEO

Platform Info

Maurice Ewing

Array

Seismic:MCS

Device Info

NotProvided

Platform Info

Maurice Ewing

Array

Seismic:OBS

Device Info

NotProvided

Platform Info

Maurice Ewing

Array