Marine Geoscience Data System

Seismic Reflection/Refraction Data at the Academic Seismic Portal

Expeditions / Compilations

NH1323

New Horizon

Raw

Acquisition Information

Raw Data Sets

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Seismic:Navigation

Data on Hold Until: 2022-01-01

Seismic Navigation Data from offshore southern California acquired during R/V New Horizon expedition NH1323 (2013)

Platform Info

Array:New Horizon

SIO

Device Info

Seismic:MCS

Events

Line Log

Locale

File Format

Quality

Details

These processed P190 navigation files should be used for processing MCS data.

Driscoll, Neal

SIO

Kent, Graham

Seismic:Reflection:MCS

Data on Hold Until: 2022-01-01

Raw Multi-Channel Seismic Shot Data from offshore southern California, between San Clemente and Oceanside, acquired during the R/V New Horizon expedition NH1323 (2013)

Platform Info

Array:New Horizon

SIO

Device Info

Seismic:MCS

Events

Line Log

Locale

File Format

SEGY

Quality

Details

There are no shotpoints in the headers of these files; FFIDs are shown for each file.

Driscoll, Neal

SIO

Kent, Graham

Data Set References

Event Logs

Line (NH1323)

Device Info

Seismic:MCS

Platform: New Horizon (Array)

Driscoll, Neal

SIO

Line (NH1323)

Device Info

Seismic:MCS

Platform: New Horizon (Array)

Kent, Graham

Seismic Acquisition Parameters

Download As Text

NH1323_ACQ001 (Lines: All Boomer Sequences 001 - 140)

Source Information

Boomer

Source Number: 1

Depth (m): 0.5

Shot Interval (m): 3.125

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 14

Channels Per Cable: 8

Channels Recorded: 112

Group Spacing (m): 6.25

Cable Spacing (m): 6.25

Cable Length (m): 50

Cable Depth (m): 2

Used Compass Birds: true

Nav System

NCS-SubSea nav & position DGPS, Final nav processing done on board using NavPoint Processing which converts the P2/94 file into a processed P1/90 file.

WGS84

Acquisition System

Digital

Name: Geometrics

Sample Interval (msec): 0.25

Details

Source = triple plate AP3000 boomer system

Record Length = 0.9 seconds for Seq 1-3

Record Length = 0.8 seconds for Seq 4-140

See Cruise Report for geometry details

Receiver = Subsea Systems 3D P-cables

UTM Zone 11 North - meters

NH1323_ACQ002 (Lines: All Sparker Sequences 141 - 334)

Source Information

Sparker

Source Number: 1

Depth (m): 2

Shot Interval (m): 6.25

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 14

Channels Per Cable: 8

Channels Recorded: 112

Group Spacing (m): 6.25

Cable Spacing (m): 6.25

Cable Length (m): 50

Cable Depth (m): 2

Used Compass Birds: true

Nav System

NCS-SubSea nav & position DGPS, Final nav processing done on board using NavPoint Processing which converts the P2/94 file into a processed P1/90 file.

WGS84

Acquisition System

Digital

Name: Geometrics

Sample Interval (msec): 0.5

Record Length (sec): 2

Details

Source = 3-tip sparker array of 2000 joules or higher

See Cruise Report for geometry details

Receiver = Subsea Systems 3D P-cables

UTM Zone 11 North - meters

edu.utexas.ig:nh1323_acq001 (Lines: )

Source Information

NotApplicable

Receiver Information

Hydrophone:Streamer

Used Active Tail Buoy: false

Used Compass Birds: false

Nav System

WGS84

Acquisition System

Digital

Name:

Details

Receiver Type: Hydrophone_Streamer

Source Type: SeismicSource_Sparker; SeismicSource_Boomer

Acquisition System Name: null

Acquisition System Type: digital

Seismic Nav System: null

Survey Datum: WGS84

Source to Near Channel (m): null

Antenna to Source (m): null

Number of Channels Recorded: 112

Channel Length (m): 6.25

Cable Receiver Depth (m): 2

Source Volume (): null

Source Pressure (bars): null

Source Number: 1

Source Depth (m): sparker: 2; boomer: 0.5

Shot Control: distance

Shot Interval (s or m): sparker: 6.25; boomer: 3.125

Compass Birds: no

Tail Buoy Positioning: no

Recording Delay: no

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