FM1002 - Marine Geoscience Data System

Sensor Data

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Seismic Reflection/Refraction

Device Info

Seismic:Sonobuoy

Array:Fred Moore

Repository

MGDS

Format

SEGY

Rosencrantz, Eric

UTIG

Seismic Reflection/Refraction

(Image Seismic, Segy)

Device Info

Seismic:MCS

Array:Fred Moore

Repository

MGDS

Format

ASCII, PDF, SEGY

Alsop, Joyce

Rosencrantz, Eric

UTIG

Related References

Event Logs

Line

Device Info

Seismic:MCS

Platform: Fred Moore (Array)

Buhl, Peter

UTIG

Station:Surface

Device Info

Seismic:MCS

Platform: Fred Moore (Array)

Seismic:Sonobuoy

Platform: Fred Moore (Array)

Rosencrantz, Eric

UTIG

Seismic Acquisition Parameters

Download As Text

FM1002_ACQ001 (Lines: Recorded and/or shot by Moore: Constant Offset Profiles(COP) Lines 22,25,31,34,35, CDP (Moore only) 39,Expanding Spread Profiles(ESP) 23,26,29,33,36,38,41)

Source Information

AirGun (BOLT)

Source Number: 4

Volume (cu in): 2932

Pressure (psi): 2000

Depth (m): 13

Distance to Near Channel (m): 240

Distance to Antenna (m): 48

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 48

Channels Recorded: 48

Group Spacing (m): 70

Cable Length (m): 3360

Near Channel Number: 48

Used Active Tail Buoy: false

Used Compass Birds: true

Nav System

Northstar-6000 LORAN-C & Magnovox 1107 Satellite/Doppler Sonar

WGS72

Acquisition System

Digital

Name: DFSIV

Sample Interval (msec): 4

(Recording Delay Used)

Details

Prospekta was the lead ship during COPs for all lines.

Shot Interval = 60s each ship, alternating every 30s for COP, 60s for ESP

Record Length = 20s COP, 40s ESP

Cable Depth is unknown

Source Model = Bolt 800C

For more Source information, see the cruise report.

FM1002_ACQ002 (Lines: Recorded and/or shot by Prospekta: Constant Offset Profiles(COP) Lines 22,25,31,34,35, Expanding Spread Profiles(ESP) 23,26,29,33, 36,38,41, CDP (Prospekta only) 18-21,24,27-28,30,32,37,40)

Source Information

AirGun

Pressure (psi): 2000

Distance to Near Channel (m): 150

Distance to Antenna (m): 88

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 60

Channels Recorded: 60

Group Spacing (m): 50

Cable Length (m): 3000

Near Channel Number: 60

Nav System

Northstar-6000 LORAN-C & Magnovox 1107 Satellite/Doppler Sonar

WGS72

Acquisition System

Digital

Name: DFSV

Sample Interval (msec): 4

(Recording Delay Used)

Details

Prospekta was the lead ship during COPs for all lines.

Shot Interval = 60s each ship, alternating every 30s for COP, 60s for ESP

Record Length = 20s COP, 40s ESP

Cable Depth is unknown

Source Volume may have been 47.04 L (= 2870 cu in) or 36.54 L (= 2230 cu in) or possibly 2230 cu in plus spares

For more Source information, see the cruise report.

edu.utexas.ig:fm1002_acq001 (Lines: )

Source Information

AirGun

Receiver Information

Hydrophone:Streamer

Used Active Tail Buoy: false

Used Compass Birds: false

Nav System

Transit satellite navigation supplemented with dead reckoning between fixes.

WGS72

Acquisition System

Digital

Name: DFS IV

Details

Receiver Type: Hydrophone_Streamer

Source Type: SeismicSource_Gun_Air

Acquisition System Name: DFS IV

Acquisition System Type: digital

Seismic Nav System: Transit satellite navigation supplemented with dead reckoning between fixes.

Survey Datum: WGS72

Source to Near Channel (m): 230

Antenna to Source (m): 65

Number of Channels Recorded: 48

Channel Length (m): 70

Cable Receiver Depth (m): null

Source Volume (cubicInches): 2000; 1000; 466

Source Pressure (bars): 138

Source Number: 4

Source Depth (m): 10

Shot Control: null

Shot Interval (s or m): null

Compass Birds: no

Tail Buoy Positioning: no

Recording Delay: no

References

Buhl et al., 1985 North Atlantic Transect: A wide-apertune, two-ship multichannel seismic investigation of the oceanic crust J. Geophys. Res. 90(12).

Scientific Personnel

Alsop, Joyce

Investigator
(not in field)

LDEO

Buhl, Peter

Scientist

UTIG

Detrick, Robert

Scientist

UTIG

Diebold, John

Scientist

UTIG

Hinz, Karl

Scientist

UTIG

Ladd, John

Scientist

UTIG

Meyer, Heinrich

Scientist

UTIG

Mutter, John

Scientist

UTIG

Phillips, Joseph

Scientist

UTIG

Rosencrantz, Eric

Scientist:Chief

UTIG

Stoffa, Paul

Scientist

UTIG

Instruments

Seismic:MCS

Device Info

NotProvided

Platform Info

Fred Moore

Array

Seismic:Sonobuoy

Device Info

NotProvided

Platform Info

Fred Moore

Array