Marine Geoscience Data System

Processed Data Sets

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Navigation:Primary

Shapefile of Processed ship-based Navigation Data acquired during the Vema expedition V3614 (1980)

Platform Info

Vema

LDEO

Device Info

Navigation

Locale

File Format

SHP

Quality

1

Leyden, Robert

Navigation:Primary

Data DOI: 10.1594/IEDA/313455

Processed ship-based Navigation Data acquired during the Vema expedition V3614 (1980)

Platform Info

Vema

LDEO

Device Info

Navigation

Locale

File Format

MGDS:Nav

Quality

1

Leyden, Robert

Event Logs

Line (V3614)

Device Info

Related Devices

Leyden, Robert

Line (V3614)

Device Info

Seismic:MCS

Platform: Vema (Array)

Davis, Marcy

Station:Surface (V3614)

Device Info

Seismic:Sonobuoy

Platform: Vema (Array)

Leyden, Robert

Seismic Acquisition Parameters

Download As Text

V3614_ACQ001 (Lines: All MCS Lines)

Source Information

AirGun (BOLT:1500C)

Source Number: 2

Volume (cu in): 932

Pressure (psi): 2000

Distance to Near Channel (m): 140

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 12

Channels Recorded: 12

Group Spacing (m): 100

Cable Length (m): 1200

Cable Depth (m): 10

Near Channel Number: 12

Used Active Tail Buoy: false

Used Compass Birds: false

Nav System

Likely transit satellites and dead reckoning, possibly loran

WGS72

Acquisition System

Digital

Name: DFSIV

Sample Interval (msec): 4

Record Length (sec): 12.288

(Recording Delay Used)

Details

Geometry and source information based on other Vema MCS cruises

Source to Antenna is unknown, but source to stern = 53m

Source Depth is unknown

Shot Interval was every 17-30 seconds for approximately 50 meters