Seismic Reflection/Refraction Data at the Academic Seismic Portal
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Ocean bottom seismometer data off the Nicoya and Osa peninsulas of Costa Rica, acquired during R/V Maurice Ewing expedition EW9502 (1995)
Platform Info
Array:Maurice Ewing
LDEO
Device Info
Seismic:
Locale
File Format
PDF
Quality
2
Christeson, Gail
McIntosh et al., 2000
Stavenhagen et al., 1998
Seismic:WideAngle:OBS
Data DOI:
10.1594/IEDA/500015
Ocean bottom seismometer data off the Nicoya and Osa peninsulas of Costa Rica, acquired during R/V Maurice Ewing expedition EW9502 (1995)
Platform Info
Array:Maurice Ewing
LDEO
Device Info
Seismic:
Locale
File Format
SEGY
Quality
2
Christeson, Gail
McIntosh et al., 2000
Stavenhagen et al., 1998
Raw Data Sets
Sort by:
Seismic:WideAngle:OBS (Repository unknown)
Data on Hold Until:
Platform Info
Array:Maurice Ewing
LDEO
Device Info
Seismic:
Locale
File Format
NotProvided
Quality
0
McIntosh, Kirk
UTIG
Event Logs
Device Info
Related DevicesSeismic:
LDEO
Platform: Maurice Ewing (Array)
Seismic:
Platform: Maurice Ewing (Array)
McIntosh, Kirk
UTIG
Device Info
Seismic:
Platform: Maurice Ewing (Array)
Seismic:
Platform: Maurice Ewing (Array)
McIntosh, Kirk
UTIG
Device Info
Seismic:
Platform: Maurice Ewing (Array)
McIntosh, Kirk
UTIG
Seismic Acquisition Parameters
EW9502_ACQ001 (Lines: All EXP1, EXP3 lines: 103,100,101,102,104,105,303,305,301,302)
Source Information
AirGun (BOLT:1500C)
Source Number: 20
Volume (cu in): 8430
Pressure (psi): 2000
Distance to Near Channel (m): 137
Distance to Antenna (m): 87.4
Number of Arrays: 1
Receiver Information
Hydrophone:Streamer
Number of Cables: 1
Channels Per Cable: 2
Group Spacing (m): 50
Cable Length (m): 100
Cable Depth (m): 10
Nav System
ship: DGPS Magnavox 4200D, scientists: RAYCAL Multifix DGPS Service provided DGPS corrections via Inmarsat to 3 separate receivers
WGS84
Acquisition System
Digital
Name: DMS2000 with French AMG Analog streamer
Sample Interval (msec): 2
Details
Source Depth is unknown
Near Channel Number is unknown
Shot Interval was varied to give 50m for lines 103,101
Shot Interval was varied to give 75m for line 100
Shot Interval was varied to give 125m for lines 102,104,105
Shot Interval was varied to give 50m for all EXP3 lines
Record Length was 20s for EXP1 shots 5-630
Record Length was 16s for EXP1 shots 637-5318
Record Length was 10s for EXP3
Number of Channels: 8 channels were recorded, channels 1-2 contained MCS data, channels 3-8 believed to be empty
EW9502_ACQ002 (Lines: EXP2 lines from 201 through 235R: 201,211,202,213,205,215,207,217,209,219,229,221,231,223,233,225,235,227,237,228,236,226,234,224,232,222,230,220,210,218,208,216,206,214,204,212,203,220R,226R,235R)
Source Information
AirGun (BOLT:1500C)
Source Number: 16
Volume (cu in): 5895
Pressure (psi): 2000
Shot Interval (sec): 19
Distance to Near Channel (m): 137
Distance to Antenna (m): 87.4
Number of Arrays: 1
Receiver Information
Hydrophone:Streamer
Number of Cables: 1
Group Spacing (m): 50
Cable Length (m): 100
Cable Depth (m): 10
Nav System
ship: DGPS Magnavox 4200D, scientists: RAYCAL Multifix DGPS Service provided DGPS corrections via Inmarsat to 3 separate receivers
WGS84
Acquisition System
Digital
Name: DMS2000 with French AMG Analog streamer
Sample Interval (msec): 2
Record Length (sec): 10
Details
Source Depth is unknown
Near Channel Number is unknown
Number of Channels: 8 channels were recorded, channels 1-2 contained MCS data, channels 3-8 believed to be empty
EW9502_ACQ003 (Lines: EXP2 lines 239,238,242,241,240)
Source Information
AirGun (BOLT:1500C)
Source Number: 20
Volume (cu in): 8355
Pressure (psi): 2000
Shot Interval (sec): 19
Distance to Near Channel (m): 137
Distance to Antenna (m): 87.4
Number of Arrays: 1
Receiver Information
Hydrophone:Streamer
Number of Cables: 1
Group Spacing (m): 50
Cable Length (m): 100
Cable Depth (m): 10
Nav System
ship: DGPS Magnavox 4200D, scientists: RAYCAL Multifix DGPS Service provided DGPS corrections via Inmarsat to 3 separate receivers
WGS84
Acquisition System
Digital
Name: DMS2000 with French AMG Analog streamer
Sample Interval (msec): 2
Record Length (sec): 10
Details
Source Depth is unknown
Near Channel Number is unknown
Number of Channels: 8 channels were recorded, channels 1-2 contained MCS data, channels 3-8 believed to be empty
Use of compass birds and active tailbuoy is unknown
edu.utexas.ig:ew9502_acq001 (Lines: )
Source Information
AirGun
Receiver Information
NotApplicable
Used Active Tail Buoy: false
Used Compass Birds: false
Nav System
Differential GPS satellite navigation
WGS84
Acquisition System
Digital
Name: DSS 240
Details
Receiver Type: Hydrophone_Streamer; Seismometer_OceanBottom
Source Type: SeismicSource_Gun_Air
Acquisition System Name: DSS 240
Acquisition System Type: digital
Seismic Nav System: Differential GPS satellite navigation
Survey Datum: WGS84
Source to Near Channel (m): null
Antenna to Source (m): 87.4
Number of Channels Recorded: 2
Channel Length (m): null
Cable Receiver Depth (m): null
Source Volume (cubicInches): 5895-8420
Source Pressure (bars): 138
Source Number: 16-20
Source Depth (m): 10-Jun
Shot Control: null
Shot Interval (s or m): null
Compass Birds: no
Tail Buoy Positioning: no
Recording Delay: no
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