Marine Geoscience Data System

Seismic Reflection/Refraction Data at the Academic Seismic Portal

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Expeditions / Compilations

RC2901

Robert D. Conrad

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Acquisition Information

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Seismic:Navigation:ShotTime

Data DOI: 10.1594/IEDA/318864

Seismic Shot Point Navigation Data from the Southern Chile Trench acquired during the R/V Robert D. Conrad expedition RC2901 (1988)

Platform Info

Array:Robert D. Conrad

LDEO

Device Info

Seismic:MCS

LDEO

Events

Line Log

Locale

File Format

ASCII:TSN

Quality

Cande, Steve

LDEO

Seismic:Reflection:MCS

Data DOI: 10.1594/IEDA/318861

Multi-Channel Seismic Shot Data from the Southern Chile Trench acquired during the R/V Robert D. Conrad expedition RC2901 (1988)

Platform Info

Array:Robert D. Conrad

LDEO

Device Info

Seismic:MCS

LDEO

Events

Line Log

Locale

File Format

SEGY

Quality

Cande, Steve

LDEO

Data Set References

Event Logs

Line (RC2901)

Device Info

Related Devices

Cande, Steve

LDEO

Line (RC2901)

Device Info

Seismic:MCS

Platform: Robert D. Conrad (Array)

Cande, Steve

LDEO

Seismic Acquisition Parameters

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RC2901_ACQ001 (Lines: 727-739)

Source Information

AirGun (BOLT:1500C)

Source Number: 10

Pressure (psi): 2000

Distance to Antenna (m): 58

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 240

Channels Recorded: 240

Group Spacing (m): 12.5

Cable Length (m): 3000

Near Channel Number: 240

Used Active Tail Buoy: false

Used Compass Birds: false

Nav System

WGS84

Acquisition System

Digital

Name: DSS240

Sample Interval (msec): 4

Record Length (sec): 12

Details

Shot interval was 27 s for lines 727-728

Shot interval was 18 s for remaining lines

Source Volume was 4991 cu in for lines 727-728

Source Volume was 3768 cu in for remaining lines

Source to Near Channel was 345m for lines 727-732

Source to Near Channel was 320m for line 733, 308m for line 734, 292m for line 735

Source to Near Channel was 320m for lines 736-739

RC2901_ACQ002 (Lines: 740-781)

Source Information

AirGun (BOLT:1500C)

Source Number: 10

Volume (cu in): 3768

Pressure (psi): 2000

Shot Interval (sec): 18

Distance to Near Channel (m): 285

Distance to Antenna (m): 58

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 236

Channels Recorded: 236

Group Spacing (m): 12.5

Cable Length (m): 2950

Near Channel Number: 236

Used Active Tail Buoy: false

Used Compass Birds: false

Nav System

US Navy Transit Satellites

WGS84

Acquisition System

Digital

Name: DSS240

Sample Interval (msec): 4

Record Length (sec): 12

Details

edu.utexas.ig:rc2901_acq001 (Lines: )

Source Information

AirGun

Receiver Information

Hydrophone:Streamer

Used Active Tail Buoy: false

Used Compass Birds: false

Nav System

US Navy Transit Satellite

WGS84

Acquisition System

Digital

Name: DSS 240

Details

Source Type: AirGun

Acquisition System Name: DSS 240

Acquisition System Type: digital

Seismic Nav System: US Navy Transit Satellite

Source to Near Channel: 345m for lines 727-732, 320m for line 733, 320m for lines 736-739, 285m for lines 740-781

Antenna to Source (m): 58

Number of Channels Recorded: 240 channels for lines 727-739, 236 channels recorded for lines 740-781

Channel Length (m): 12.5

Cable Receiver Depth (m): unknown

Source Volume: 4991 cu. in. for lines 727-728, 3768 cu. in. for lines 729-781;

Source Pressure (bars): 138

Source Number: 10

Source Depth (m): unknown

Shot Control: Time

Shot Interval: 27s for lines 727-728, 18s for lines 729-781

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