Seismic:Ancillary
McNutt, Marcia
Investigator
MIT
Quality
0
Data have not been processed or modified since acquisition (e.g. Realtime navigation or sonar data, raw images etc.).
Data Files
Acquisition Information
Documents
Related Data Sets
ISO/XML Metadata
Download Data Set Metadata Report
XML
MGDS formatted data set xml report containing verbose file and data set level metadata
Related Acquisition Information
Seismic Acquisition Parameters
Download as Text: EW9103
EW9103_ACQ001 (Lines: All lines 1153-1166)
Source Information
AirGun (BOLT:1500C)
Source Number: 20
Volume (cu in): 8385
Pressure (psi): 2000
Shot Interval (sec): 20
Distance to Near Channel (m): 263
Distance to Antenna (m): 95
Number of Arrays: 1
Receiver Information
Hydrophone:Streamer
Number of Cables: 1
Channels Per Cable: 148
Channels Recorded: 148
Group Spacing (m): 25
Cable Length (m): 3700
Near Channel Number: 148
Used Active Tail Buoy: false
Used Compass Birds: false
Nav System
GPS
WGS84
Acquisition System
Digital
Name: DSS240
Sample Interval (msec): 4
Details
Cable Depth is typically 7-8m
Source Depth is typically 7-8m
Shots were timed every 20s, about 50m
Record Length was 16s for Line 1153
Record Length was 15s for Lines 1154-1166
edu.utexas.ig:ew9103_acq001 (Lines: )
Source Information
AirGun
Receiver Information
Hydrophone:Streamer
Used Active Tail Buoy: false
Used Compass Birds: false
Nav System
GPS
WGS84
Acquisition System
Digital
Name: DSS 240
Details
Receiver Type: Hydrophone_Streamer
Source Type: SeismicSource_Gun_Air
Acquisition System Name: DSS 240
Acquisition System Type: digital
Seismic Nav System: GPS
Survey Datum: WGS84
Source to Near Channel (m): 263
Antenna to Source (m): 95
Number of Channels Recorded: 148
Channel Length (m): 25
Cable Receiver Depth (m): unknown: probably 7-8 m
Source Volume (cubicInches): 8385
Source Pressure (bars): 138
Source Number: 20
Source Depth (m): unknown: probably 7-8
Shot Control: time
Shot Interval (s or m): 20: seconds Interval for ~50 m
Compass Birds: no
Tail Buoy Positioning: no
Recording Delay: no
EW9103 Documents
Cruise
EW9103.cruiserpt.pdf (15.6MB)
PDF
Cruise
e9103.pdf (36.0kB)
PDF
Sonobuoy Information
EW9103.sb.README (1.0kB)
ASCII
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Seismic Shot Point Navigation Data from the Central Equatorial Pacific Ocean acquired during R/V Maurice Ewing expedition EW9103 (1991)
Locale
File Format
ASCII:TSN
Quality
1
Details
This dataset, Seismic Shot Point Navigation data, provides the primary seismic navigation source for this cruise and should be used for seismic data processing.
McNutt, Marcia
MIT
Mutter, John
LDEO

Data DOI:
10.1594/IEDA/303745
Raw Multi-Channel Seismic Shot Data from the Central Equatorial Pacific Ocean acquired during R/V Maurice Ewing expedition EW9103 (1991)
Locale
File Format
SEGY
Quality
0
McNutt, Marcia
MIT
Mutter, John
LDEO
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