Marine Geoscience Data System

Seismic Reflection/Refraction Data at the Academic Seismic Portal

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Expeditions / Compilations

EW9410

Maurice Ewing

Processed

Raw

Acquisition Information

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

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

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

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

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

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