Seismic Reflection/Refraction Data at the Academic Seismic Portal
Map View
Expeditions / Compilations
Marcus G. Langseth
Processed
Raw
Acquisition Information
Processed Data Sets
Sort by:
Filtered Acoustic Backscatter and Swath Bathymetry Data from the Aleutians GeoPRISMS Focus Site acquired during R/V Marcus G. Langseth expedition MGL1110 (2011)
Platform Info
Marcus G. Langseth
LDEO
Device Info
Sonar:
Kongsberg:EM122
Locale
Alaska:Aleutians
FocusSite:GeoPRISMS
File Format
MBSystem
Quality
1
Shillington, Donna
LDEO
Bécel, Anne
LDEO
Nedimovic, Mladen
Dalhousie
Webb, Spahr
LDEO
Li, Jiyao
LDEO
Kuehn, Harold
LDEO
Delescluse, Matthias
Dalhousie
Diebold, John
Manually Processed Acoustic Backscatter and Swath Bathymetry Data from the Alaska Aleutians Focus Site Geo PRISMS Focus Site Geo acquired during R/V Marcus G. Langseth expedition MGL1111 (2011)
Platform Info
Marcus G. Langseth
LDEO
Device Info
Sonar:
Kongsberg:EM122
Locale
Alaska:Aleutians
FocusSite:GeoPRISMS
File Format
MBSystem
Quality
2
Shillington, Donna
LDEO
Bécel, Anne
LDEO
Nedimovic, Mladen
Dalhousie
Webb, Spahr
LDEO
Li, Jiyao
LDEO
Kuehn, Harold
LDEO
Delescluse, Matthias
Dalhousie
Diebold, John
Processed Acoustic Backscatter and Swath Bathymetry Data acquired during R/V Marcus G. Langseth expedition MGL1110 (2011)
Platform Info
Marcus G. Langseth
LDEO
Device Info
Sonar:
Kongsberg:EM122
Locale
Alaska:Aleutians
FocusSite:GeoPRISMS
File Format
MBSystem
Quality
2
Martin, Tinah
LDEO
Raw Data Sets
Sort by:
Backscatter:Acoustic, Bathymetry:SwathData at NOAA:NCEI
Platform Info
Marcus G. Langseth
LDEO
Device Info
Sonar:
Kongsberg:EM122
Locale
Alaska:Aleutians
FocusSite:GeoPRISMS
File Format
MBSystem
Quality
0
Shillington, Donna
LDEO
Event Logs
Device Info
Related DevicesSeismic:
LDEO
Platform: Marcus G. Langseth (Array)
Seismic:
Platform: Marcus G. Langseth (Array)
Seismic:
Platform: Marcus G. Langseth (Array)
Shillington, Donna
LDEO
Device Info
Seismic:
Platform: Marcus G. Langseth (Array)
Shillington, Donna
LDEO
Device Info
Probe:
Sippican:T-5
Platform: Marcus G. Langseth
Shillington, Donna
LDEO
Device Info
Probe:
Sippican:XCTD-1
Platform: Marcus G. Langseth
Shillington, Donna
LDEO
Device Info
Probe:
Sippican:XSV-02
Platform: Marcus G. Langseth
Shillington, Donna
LDEO
Seismic Acquisition Parameters
MGL1110_ACQ001 (Lines: Sequence numbers 8-10)
Source Information
AirGun (BOLT:1500LL)
Source Number: 36
Volume (cu in): 6600
Pressure (psi): 2000
Depth (m): 12
Shot Interval (m): 62.5
Distance to Near Channel (m): 325.84
Distance to Antenna (m): 222.7
Number of Arrays: 1
Receiver Information
Hydrophone:Streamer
Number of Cables: 2
Channels Per Cable: 636
Channels Recorded: 1272
Group Spacing (m): 12.5
Cable Spacing (m): 450
Cable Length (m): 7950
Used Active Tail Buoy: true
Used Compass Birds: true
Nav System
CNAV 3050 - primary
WGS84
Acquisition System
Digital
Name: Syntron Syntrak 960
Sample Interval (msec): 2
Record Length (sec): 22.528
Details
Near channel numbers were 636 and 1272
Streamer 1 was towed at a depth of 9m, Streamer 2 at 12m
MGL1110_ACQ002 (Lines: Sequence numbers 11-26)
Source Information
AirGun (BOLT:1500LL)
Source Number: 36
Volume (cu in): 6600
Pressure (psi): 2000
Depth (m): 12
Shot Interval (m): 62.5
Distance to Antenna (m): 222.7
Number of Arrays: 1
Receiver Information
Hydrophone:Streamer
Number of Cables: 2
Channels Per Cable: 636
Channels Recorded: 1272
Group Spacing (m): 12.5
Cable Spacing (m): 225
Cable Length (m): 7950
Used Active Tail Buoy: true
Used Compass Birds: true
Nav System
CNAV 3050 - primary
WGS84
Acquisition System
Digital
Name: Syntron Syntrak 960
Sample Interval (msec): 2
Details
Streamer 1 was towed at a depth of 9m, Streamer 2 at 12m
Streamer 1 was towed from the stern, distance from center of source to near group was 235.68m
Streamer 2 was towed from the paravane, distance from center of source to near group was 325.84m
Near channel numbers were Streamer 1: 636 and Streamer 2 : 1272
Lines 11-26 were recorded for 22.528s except for part of Line 24 which was recorded only for 18.430s
MGL1110_ACQ003 (Lines: Sequence numbers 27-33)
Source Information
AirGun (BOLT:1500LL)
Source Number: 36
Volume (cu in): 6600
Pressure (psi): 2000
Depth (m): 12
Shot Interval (m): 62.5
Distance to Near Channel (m): 325.84
Distance to Antenna (m): 222.7
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): 12
Near Channel Number: 636
Used Active Tail Buoy: true
Used Compass Birds: true
Nav System
CNAV 3050 - primary
WGS84
Acquisition System
Digital
Name: Syntron Syntrak 960
Sample Interval (msec): 2
Details
Data was recorded by a single streamer, Streamer 2, towed from the paravane
Distance from center of source to near group was 325.84m
Lines 27-33 were recorded for 22.528s except for part of Line 29 which was recorded only for 18.430s
org.marine-geo:MGL1110_ACQ001 (Lines: )
Source Information
AirGun
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_Gun_Air
Acquisition System Name: null
Acquisition System Type: null
Seismic Nav System: null
Survey Datum: WGS84
Source to Near Channel (m): 235.68
Antenna to Source (m): 222.7
Number of Channels Recorded: null
Channel Length (m): null
Cable Receiver Depth (m): null
Source Volume (cubicInches): 6600
Source Pressure (bars): null
Source Number: 10
Source Depth (m): null
Shot Control: null
Shot Interval (s or m): null
Compass Birds: no
Tail Buoy Positioning: no
Recording Delay: no
Expand
