MGL0807 - Marine Geoscience Data System

MGL0807

Field:Marine

Cruise DOI: 10.7284/902002

Locale

TICO-CAVA, 2008 Leg 2
Collaborative Research: Seismic measurements of magma flux, arc composition, and lower-plate serpentinization in the Central American subduction factory

Holbrook, W. Steven

Chief Scientist

University of Wyoming

Lizarralde, Dan

Co-Chief Scientist

WHOI

vanAvendonk, Harm

Co-Principal Investigator
(not in field)

UTIG

Cheadle, Michael

Co-Principal Investigator
(not in field)

University of Wyoming

Kelemen, Peter

Co-Principal Investigator
(not in field)

LDEO

Awards

Platform

Marcus G. Langseth

LDEO

Start Date

2008-03-20

Limon, Costa Rica

Stop Date

2008-04-16

Puerto Caldera, Costa Rica

Report Incorrect Information

Data Sets

Acquisition Information

References

Personnel

Instruments

Documents

Related Information

Sensor Data

Sort by:

Backscatter:Acoustic, Bathymetry:Swath, Sidescan

(Swath)

Device Info

Sonar:Multibeam

Marcus G. Langseth

Repository

NOAA:NCEI

Repository

MGDS

Format

MBSystem

GMRT,

Holbrook, W. Steven

University of Wyoming

Conductivity, Salinity, Temperature, Velocity:Sound

Device Info

Probe:Expendable:XCTD

Marcus G. Langseth

Repository

MGDS

Format

EDF

Holbrook, W. Steven

University of Wyoming

CurrentMeasurement

Device Info

Probe:Expendable:XCP

Marcus G. Langseth

Repository

MGDS

Format

ASCII

Holbrook, W. Steven

University of Wyoming

Navigation:Primary

Device Info

Navigation

Marcus G. Langseth

Repository

MGDS

Format

ASCII, MGDS:Nav, SHP

Holbrook, W. Steven

University of Wyoming

Seismic Reflection/Refraction

Device Info

Seismic:Seismometer

Repository

IRIS

Holbrook, W. Steven

University of Wyoming

vanAvendonk, Harm

UTIG

Related References

Seismic Reflection/Refraction

Device Info

Seismic:OBS

Array:Marcus G. Langseth

Repository

IRIS

Repository

MGDS

Format

ASCII

Holbrook, W. Steven

University of Wyoming

vanAvendonk, Harm

UTIG

Lizarralde, Dan

WHOI

Related References

Seismic Reflection/Refraction

Device Info

Seismic:MCS

Array:Marcus G. Langseth

Repository

MGDS

Format

P1, P2, SEGY

Holbrook, W. Steven

University of Wyoming

vanAvendonk, Harm

UTIG

Lizarralde, Dan

WHOI

Related References

Temperature, Velocity:Sound

Device Info

Probe:Expendable:XBT

Marcus G. Langseth

Repository

MGDS

Format

EDF

Holbrook, W. Steven

University of Wyoming

Event Logs

Line

Device Info

Related Devices

Holbrook, W. Steven

University of Wyoming

Station:Bottom (TC2NH)

Device Info

Related Devices

Gregg, Patricia

WHOI

Station:Land

vanAvendonk, Harm

UTIG

Station:WaterColumn:Released

Device Info

Probe:Expendable:XCP

Sippican

Platform: Marcus G. Langseth

Holbrook, W. Steven

University of Wyoming

Station:WaterColumn:Released

Device Info

Probe:Expendable:XCTD

Sippican:XCTD-1

Platform: Marcus G. Langseth

Holbrook, W. Steven

University of Wyoming

Station:WaterColumn:Released

Device Info

Probe:Expendable:XBT

Sippican:T-5

Platform: Marcus G. Langseth

Holbrook, W. Steven

University of Wyoming

Station:WaterColumn:Released

Device Info

Probe:Expendable:XBT

Sippican:T-7

Platform: Marcus G. Langseth

Holbrook, W. Steven

University of Wyoming

Seismic Acquisition Parameters

Download As Text

MGL0807_ACQ001 (Lines: 2, 3, 5, 7, 8, 9, 11, 13)

Source Information

AirGun (BOLT:1500LL)

Source Number: 36

Volume (cu in): 6600

Pressure (psi): 2000

Depth (m): 9.6

Distance to Near Channel (m): 141.6

Distance to Antenna (m): 98.3

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 636

Channels Recorded: 636

Group Spacing (m): 12.5

Cable Length (m): 7950

Cable Depth (m): 9

Near Channel Number: 636

Used Active Tail Buoy: true

Used Compass Birds: true

Nav System

C-Nav Primary

WGS84

Acquisition System

Digital

Name: Syntron Syntrak 960

Sample Interval (msec): 2

Details

Shot Spacing: 37.5m for sequence lines 02,07

50m for sequence line 02,03,05,08,09

100m for sequence line 11,13

Record Length: 10 secs for sequence line 07

14 secs for sequence line 08,09

15 secs for sequence line 02 (from shot 1276),03

16 secs for sequence line 02 (until shot 1270),05

20 secs for sequence line 11,13

MGL0807_ACQ002 (Lines: 14, 16, 18, 20, 22, 24, 26, 27, 29, 31, 32, 34-38, 40, 42-49)

Source Information

AirGun (BOLT:1500LL)

Source Number: 36

Volume (cu in): 6600

Pressure (psi): 2000

Depth (m): 9.6

Distance to Near Channel (m): 139.3

Distance to Antenna (m): 100.6

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 636

Group Spacing (m): 12.5

Cable Length (m): 7950

Cable Depth (m): 6

Near Channel Number: 636

Used Active Tail Buoy: true

Used Compass Birds: true

Nav System

C-Nav Primary

WGS84

Acquisition System

Digital

Name: Syntron Syntrak 960

Details

Shot Spacing: 25m for sequence line 14

37.5m for sequence lines 34-38,40

50m for sequence lines 29,31,32,42-49

100m for sequence line 20

150m for sequence lines 22,24,26,27

Sample Interval: 500 microsecs for sequence lines 34-38,40

2000 microsecs for sequence lines 16,18,20,22,24,26,27,29,31,32,42-49

Record Length: 8 secs for sequence line 14

10 secs for sequence lines 34-38,40

15 secs for sequence line 49

16 secs for sequence lines 22,24,26,27,29,31,32,42-48

20 secs for sequence lines 16,18,20

240 channels recorded for sequence lines 34-38,40

480 channels recorded for sequence line 14

636 channels recorded for sequence lines 16,18,20,22,24,26,27,29,31,32,42-49

MGL0807_ACQ003 (Lines: 51-56, 58, 59, 71-73,75-81)

Source Information

AirGun (BOLT:1500LL)

Source Number: 36

Volume (cu in): 6600

Pressure (psi): 2000

Depth (m): 9.6

Distance to Near Channel (m): 139.3

Distance to Antenna (m): 150.6

Number of Arrays: 1

Receiver Information

Hydrophone:Streamer

Number of Cables: 1

Channels Per Cable: 636

Group Spacing (m): 12.5

Cable Length (m): 7950

Cable Depth (m): 6

Near Channel Number: 636

Used Active Tail Buoy: true

Used Compass Birds: true

Nav System

C-Nav Primary

WGS84

Acquisition System

Digital

Name: Syntron Syntrak 960

Details

Shot Spacing: 25m for sequence lines 53-56,58,59,77-79

50m for sequence lines 52,64,73,76,80,81

150m for sequence lines 67,68,70,71,75

200m for sequence lines 61,65,69

250m for sequence lines 60,62,63,66

500m for sequence line 51

Sample Interval: 500 microsecs for sequence lines 77-79

1000 microsecs for sequence lines 52-59

2000 microsecs for sequence lines 51, 60-71,73-75,76,80,81

240 channels recorded for sequence lines 77-79

480 channels recorded for sequence lines 52-59

636 channels recorded for sequence lines 51,60-71,73-75,76,80,81

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