Marine Geoscience Data System

Raw Data Sets

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Seismic:Ancillary

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:MCS

LDEO

Events

Line Log

Locale

Quality

0

Klemperer, Simon

Stanford University

Seismic:Navigation:ShotTime

Data DOI: 10.1594/IEDA/300385

Seismic Shot Point Navigation Data from the Bering Shelf and Chukchi Sea acquired during R/V Maurice Ewing expedition EW9410 (1994)

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:MCS

LDEO

Events

Line Log

Locale

File Format

ASCII:TSN

Quality

1

Details

This dataset, Seismic Shot Point Navigation data, provides the primary seismic navigation source for this cruise and should be used for seismic data processing.

Klemperer, Simon

Stanford University

Seismic:Reflection:MCS

Data DOI: 10.1594/IEDA/300386

Raw Multi-Channel Seismic Shot Data from the Bering Shelf and Chukchi Sea acquired during R/V Maurice Ewing expedition EW9410 (1994)

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:MCS

LDEO

Events

Line Log

Locale

File Format

SEGY

Quality

0

Klemperer, Simon

Stanford University

Data Set References

Seismic:WideAngle

Data DOI: 10.1594/IEDA/300393

Raw Wide Angle Shot Data (Sonobuoy) from the Bering Shelf and Chukchi Sea acquired during R/V Maurice Ewing expedition EW9410 (1994)

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:Sonobuoy

Events

Line Log

Station:Surface Log

Locale

File Format

SEGY

Quality

0

Klemperer, Simon

Stanford University

Data Set References

Event Logs

Line (EW9410)

Device Info

Related Devices

Klemperer, Simon

Stanford University

Station:Surface (EW9410)

Device Info

Seismic:Sonobuoy

Platform: Maurice Ewing (Array)

Klemperer, Simon

Stanford University

Seismic Acquisition Parameters

Download As Text

EW9410_ACQ001 (Lines: All)

Source Information

AirGun (BOLT:1500C)

Source Number: 20

Volume (cu in): 8355

Pressure (psi): 2000

Depth (m): 7.5

Distance to Near Channel (m): 200

Distance to Antenna (m): 80

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 160

Channels Recorded: 160

Group Spacing (m): 25

Cable Depth (m): 15

Near Channel Number: 160

Used Active Tail Buoy: false

Used Compass Birds: false

Nav System

Acquisition System

Digital

Name: DMS2000

Sample Interval (msec): 2

Record Length (sec): 16

Details

Shot Control Discription =Time (distance of 50 or 75 meters)

Record Length=16 or 23 seconds

edu.utexas.ig:ew9410_acq001 (Lines: )

Source Information

AirGun

Receiver Information

Hydrophone:Streamer

Used Active Tail Buoy: false

Used Compass Birds: false

Nav System

GPS (Magnavox MX-4200D and Ashtech 3D CPS) with speed log information provided by a FURUNO CI-30 three axis; doppler speed log/current profiler.

WGS84

Acquisition System

Digital

Name: DMS 2000

Details

Receiver Type: Hydrophone_Streamer

Source Type: SeismicSource_Gun_Air

Acquisition System Name: DMS 2000

Acquisition System Type: digital

Seismic Nav System: GPS (Magnavox MX-4200D and Ashtech 3D CPS) with speed log information provided by a FURUNO CI-30 three axis; doppler speed log/current profiler.

Survey Datum: WGS84

Source to Near Channel (m): 200

Antenna to Source (m): null

Number of Channels Recorded: 160

Channel Length (m): 25

Cable Receiver Depth (m): 15

Source Volume (cubicInches): 8355

Source Pressure (bars): 138

Source Number: 20

Source Depth (m): 7.5

Shot Control: time

Shot Interval (s or m): null

Compass Birds: no

Tail Buoy Positioning: no

Recording Delay: no