Marine Geoscience Data System

Locale

Quality

Diebold, John

LDEO

Seismic:Ancillary

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:MCS

LDEO

Events

Locale

Quality

Details

Seismic & Segy metadata, Gun Pressure, Gun Depths and navigation block files

Mann, Paul

UTIG

Seismic:Reflection:MCS

Data DOI: 10.1594/IEDA/303752

Raw Multi-Channel Seismic Shot Data from the Caribbean Sea acquired during R/V Maurice Ewing expedition EW9501 (1995)

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:MCS

LDEO

Events

Locale

File Format

SEGY

Quality

Diebold, John

LDEO

Driscoll, Neal

LDEO

Seismic:Reflection:MCS

Data DOI: 10.1594/IEDA/308525

Raw Multi-Channel Seismic Shot Data from the Southeast Caribbean Sea and Venezuelan Margin acquired during the R/V Maurice Ewing expedition EW0404 (2004)

Platform Info

Array:Maurice Ewing

LDEO

Device Info

Seismic:MCS

LDEO

Events

Locale

File Format

SEGY

Quality

Mann, Paul

UTIG

Sawyer, Dale

Rice

Seismic:Reflection:MCS

Data DOI: 10.1594/IEDA/306948

Multi-Channel Seismic Shot Data from the Caribbean Sea acquired during the R/V Robert D. Conrad expedition RC2103 (1977)

Platform Info

Array:Robert D. Conrad

LDEO

Device Info

Seismic:MCS

LDEO

Events

Locale

File Format

SEGY

Quality

Buhl, Peter

LDEO

Event Logs

Line (RC1904)

Device Info

Talwani, Manik

LDEO

Line (RC1904)

Device Info

Talwani, Manik

LDEO

Line (RC1904)

Device Info

Seismic:MCS

Platform: Robert D. Conrad (Array)

Davis, Marcy

Seismic Acquisition Parameters

RC1904_ACQ001 (Lines: All)

Source Information

AirGun (BOLT:1500C)

Source Number: 4

Volume (cu in): 1864

Pressure (psi): 2000

Shot Interval (sec): 20

Distance to Near Channel (m): 300

Distance to Antenna (m): 40

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 24

Channels Recorded: 24

Group Spacing (m): 100

Near Channel Number: 24

Used Active Tail Buoy: false

Used Compass Birds: false

Nav System

Acquisition System

Digital

Name: DFSIV

Sample Interval (msec): 4

Record Length (sec): 12

(Recording Delay Used)

Details

edu.utexas.ig:rc1904_acq001 (Lines: All)

Source Information

AirGun

Receiver Information

Hydrophone:Streamer

Used Active Tail Buoy: false

Used Compass Birds: false

Nav System

US Navy Transit Satellite

WGS72

Acquisition System

Digital

Name: DSF IV

Details

Receiver Type: Hydrophone_Streamer

Source Type: SeismicSource_Gun_Air

Acquisition System Name: DSF IV

Acquisition System Type: digital

Seismic Nav System: US Navy Transit Satellite

Survey Datum: WGS72

Source to Near Channel (m): 300: (not precise but typical for the Conrad at this time)

Antenna to Source (m): 40

Number of Channels Recorded: 24

Channel Length (m): 100

Cable Receiver Depth (m): unknown

Source Volume (cubicInches): 1864

Source Pressure (bars): 138

Source Number: 4

Source Depth (m): unknown

Shot Control: time

Shot Interval (s or m): 20: seconds for approximately 50 m

Compass Birds: no

Tail Buoy Positioning: no

Recording Delay: no

Event Logs

Line (RC2103)

Device Info

Buhl, Peter

LDEO

Line (RC2103)

Device Info

Buhl, Peter

LDEO

Line (RC2103)

Device Info

Seismic:MCS

Platform: Robert D. Conrad (Array)

Buhl, Peter

LDEO

Seismic Acquisition Parameters

RC2103_ACQ001 (Lines: All)

Source Information

AirGun (BOLT:1500C)

Source Number: 4

Volume (cu in): 1864

Pressure (psi): 2000

Shot Interval (sec): 18

Distance to Near Channel (m): 300

Distance to Antenna (m): 40

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 24

Channels Recorded: 24

Group Spacing (m): 100

Near Channel Number: 24

Used Active Tail Buoy: false

Used Compass Birds: false

Nav System

Acquisition System

Digital

Name: DFSIV

Sample Interval (msec): 4

Record Length (sec): 12

(Recording Delay Used)

Details

Shot Control Description=Time (every 18-23 seconds for approximately 50 meters)

edu.utexas.ig:rc2103_acq001 (Lines: )

Source Information

AirGun

Receiver Information

Hydrophone:Streamer

Used Active Tail Buoy: false

Used Compass Birds: false

Nav System

US Navy Transit Satellit

WGS72

Acquisition System

Digital

Name: DSF IV

Details

Receiver Type: Hydrophone_Streamer

Source Type: SeismicSource_Gun_Air

Acquisition System Name: DSF IV

Acquisition System Type: digital

Seismic Nav System: US Navy Transit Satellit

Survey Datum: WGS72

Source to Near Channel (m): 300: (not precise but typical for Conrad at this time)

Antenna to Source (m): 40 m

Number of Channels Recorded: 24

Channel Length (m): 100

Cable Receiver Depth (m): unknown

Source Volume (cubicInches): 1864

Source Pressure (bars): 138

Source Number: 4

Source Depth (m): unknown

Shot Control: time

Shot Interval (s or m): 18-23: seconds for approximately 50 meters

Compass Birds: no

Tail Buoy Positioning: no

Recording Delay: no

Event Logs

Line (EW9501)

Device Info

Diebold, John

LDEO

Line (EW9501)

Device Info

Seismic:MCS

Platform: Maurice Ewing (Array)

Diebold, John

LDEO

Seismic Acquisition Parameters

EW9501_ACQ001 (Lines: 1293-1330)

Source Information

AirGun (BOLT:1500C)

Source Number: 20

Volume (cu in): 8470

Pressure (psi): 2000

Depth (m): 8

Shot Interval (sec): 20

Distance to Near Channel (m): 188

Distance to Antenna (m): 87

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): 8

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

EW9501_ACQ002 (Lines: 1288-1292)

Source Information

AirGun (BOLT:1500C)

Source Number: 20

Volume (cu in): 8470

Pressure (psi): 2000

Depth (m): 8

Shot Interval (sec): 30

Distance to Near Channel (m): 188

Distance to Antenna (m): 87

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): 8

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): 25

Details

edu.utexas.ig:ew9501_acq001 (Lines: )

Source Information

AirGun

Receiver Information

Hydrophone:Streamer

Used Active Tail Buoy: false

Used Compass Birds: false

Nav System

GPS; Transit Satellite

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; Transit Satellite

Survey Datum: WGS84

Source to Near Channel (m): 187.5

Antenna to Source (m): 87.4

Number of Channels Recorded: 160

Channel Length (m): 25

Cable Receiver Depth (m): 8-12 m

Source Volume (cubicInches): 8470

Source Pressure (bars): 138

Source Number: 20

Source Depth (m): 8

Shot Control: time

Shot Interval (s or m): 30: Lines 1288-1292 (changed 053/18:22z); 20: Lines 1293-1330

Compass Birds: no

Tail Buoy Positioning: no

Recording Delay: no

Event Logs

Line (EW0404)

Device Info

Mann, Paul

UTIG

Line (EW0404)

Device Info

Seismic:MCS

Platform: Maurice Ewing (Array)

Seismic:OBS

Platform: Maurice Ewing (Array)

Christeson, Gail

Station:Bottom:Deployed (EW0404)

Device Info

Seismic:OBS

Platform: Maurice Ewing (Array)

Christeson, Gail

Seismic Acquisition Parameters