RC1904 - Marine Geoscience Data System

Sensor Data

Sort by:

Bathymetry:Singlebeam, Gravity:Field, Magnetic:Field

Device Info

Gravimeter, Magnetometer, Sonar:Echosounder

Robert D. Conrad

Repository

MGDS

Format

MGD77

Talwani, Manik

LDEO

Navigation:Primary

Device Info

Navigation

Robert D. Conrad

Repository

MGDS

Format

MGDS:Nav, SHP

Talwani, Manik

LDEO

Seismic Reflection/Refraction

Device Info

Seismic:SCS

Array:Robert D. Conrad

Repository

MGDS

Format

ASCII

Talwani, Manik

LDEO

Seismic Reflection/Refraction

(Image Seismic, Segy)

Device Info

Seismic:MCS

Array:Robert D. Conrad

Repository

MGDS

Format

ASCII, ASCII:TSN, PDF, SEGY

Alsop, Joyce

Talwani, Manik

LDEO

Related References

Event Logs

Line

Device Info

Related Devices

Talwani, Manik

LDEO

Line

Device Info

Related Devices

Talwani, Manik

LDEO

Line

Device Info

Seismic:MCS

Platform: Robert D. Conrad (Array)

Davis, Marcy

Seismic Acquisition Parameters

Download As Text

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

(Recording Delay Used)

Details

Receiver Type: Hydrophone_Streamer

Source Type: SeismicSource_Gun_Air Bolt:1500C

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: yes

References

Talwani et al., 1977 Multichannel seismic study in the Venezuelan Basin and the Curaçao Ridge Island Arcs, Deep Sea Trenches and Back-Arc Basins (Maurice Ewing Series I) . doi: 10.1029/ME001p0083

Talwani et al., 1982 Seismic multichannel towed arrays in the exploration of the oceanic crust Tectonophysics 81(3-4). doi: 10.1016/0040-1951(82)90133-0

Scientific Personnel

Alsop, Joyce

Investigator
(not in field)

LDEO

Bunce, Elizabeth

Scientist

WHOI

O'Brien, T.

Scientist

WHOI

Sindt, John

Technician:Deck

LDEO

Talwani, Manik

Scientist:Chief

LDEO

Windisch, Charles

Scientist:Co-Chief

LDEO

Support Personnel

Bye, Matthew

Technician:Airgun

LDEO

Crowell, Bruce

Technician:Electronics

LDEO

Gavin, M.

Technician:Electronics

LDEO

Iltzsche, Martin

Technician:Airgun

LDEO

Paisley-Smith, Van

Technician:Electronics

LDEO

Robinson, William

Engineer

LDEO

Stennett, Joseph

Engineer

LDEO

VanSantford, Harry

Technician:Electronics

LDEO

Instruments

Gravimeter

Device Info

NotProvided

Magnetometer

Device Info

NotProvided

Navigation

Device Info

NotProvided

Sonar:Echosounder

Device Info

NotProvided

Seismic:MCS

Device Info

NotProvided

LDEO

Platform Info

Robert D. Conrad

Array

Seismic:MCS

Device Info

NotProvided

Platform Info

Robert D. Conrad

Array

Seismic:SCS

Device Info

NotProvided

LDEO

Platform Info

Robert D. Conrad

Array