Marine Geoscience Data System

Processed Data Sets

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Seismic:Navigation

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:SCS

Events

Line Log

Locale

File Format

ASCII

Quality

2

Mann, Paul

University of Houston

Data Set References

Seismic:Reflection:SCS

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:SCS

Events

Line Log

Locale

File Format

SEGY

Quality

2

Mann, Paul

University of Houston

Data Set References

Seismic:Reflection:SCS

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:SCS

Events

Line Log

Locale

File Format

PDF

Quality

2

Mann, Paul

University of Houston

Data Set References

Event Logs

Line (EW9605)

Device Info

Seismic:SCS

Platform: Maurice Ewing (Array)

Appelgate, Bruce

UH

Line (EW9605)

Device Info

Seismic:SCS

Platform: Maurice Ewing (Array)

Dolan, James

USC

Seismic Acquisition Parameters

Download As Text

EW9605_ACQ001 (Lines: All Lines)

Source Information

AirGun (BOLT:1500C)

Source Number: 6

Volume (cu in): 1385

Pressure (psi): 2000

Distance to Near Channel (m): 177

Distance to Antenna (m): 83.8

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 4

Channels Recorded: 8

Cable Length (m): 137.5

Cable Depth (m): 6

Nav System

GPS

WGS84

Acquisition System

Digital

Name: DMS2000

Sample Interval (msec): 2

Details

Source Depth is unknown

Shot Interval was 14s to 16s

Group Spacing was 12.5m(near trace),25.0m,50.0m,50.0m(far trace)

Near Channel Number is unknown

Record Length varied 10s to 20s depending on water depth. Different record lengths were archived in separate files.

edu.utexas.ig:ew9605_acq001 (Lines: )

Source Information

AirGun

Receiver Information

Hydrophone:Streamer

Used Active Tail Buoy: false

Used Compass Birds: false

Nav System

GPS satellite navigation

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 satellite navigation

Survey Datum: WGS84

Source to Near Channel (m): 177

Antenna to Source (m): 83.8

Number of Channels Recorded: 1

Channel Length (m): 12.5: high frequency; 25: medium frequency; 50: low frequency; 50: low frequency

Cable Receiver Depth (m): 6

Source Volume (cubicInches): 1385

Source Pressure (bars): 138

Source Number: 6

Source Depth (m): 10

Shot Control: null

Shot Interval (s or m): 43

Compass Birds: no

Tail Buoy Positioning: no

Recording Delay: no