Marine Geoscience Data System

Processed Data Sets

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Navigation:Primary

Shapefile of Processed ship-based Navigation Data acquired during the Maurice Ewing expedition EW9504 (1995)

Platform Info

Maurice Ewing

LDEO

Device Info

Navigation

Locale

File Format

SHP

Quality

1

Lyle, Mitchell

Boise State University

Navigation:Primary

Data DOI: 10.1594/IEDA/311512

Processed ship-based Navigation Data acquired during the Maurice Ewing expedition EW9504 (1995)

Platform Info

Maurice Ewing

LDEO

Device Info

Navigation

Locale

File Format

MGDS:Nav

Quality

1

Lyle, Mitchell

Boise State University

Event Logs

Line (EW9504)

Device Info

Seismic:SCS

Platform: Maurice Ewing (Array)

Lyle, Mitchell

Boise State University

Seismic Acquisition Parameters

Download As Text

edu.utexas.ig:ew9504_acq001 (Lines: )

Source Information

WaterGun

Receiver Information

Hydrophone:Streamer

Used Active Tail Buoy: false

Used Compass Birds: false

Nav System

P-code GPS satellite navigation

WGS84

Acquisition System

Digital

Name:

Details

Receiver Type: Hydrophone_Streamer

Source Type: SeismicSource_Gun_Water

Acquisition System Name: null

Acquisition System Type: digital

Seismic Nav System: P-code GPS satellite navigation

Survey Datum: WGS84

Source to Near Channel (m): 169.8

Antenna to Source (m): 66

Number of Channels Recorded: 4

Channel Length (m): 12.5

Cable Receiver Depth (m): null

Source Volume (cubicInches): 160

Source Pressure (bars): 138

Source Number: 2

Source Depth (m): null

Shot Control: time

Shot Interval (s or m): 10: at average ship speed was 7 knots; therefore shot interval is approximately 36 m -- see navigation files for exact shot locations

Compass Birds: no

Tail Buoy Positioning: no

Recording Delay: no