Seismic:Navigation
Alsop, Joyce
Investigator
Quality
2
The data have been processed/modified to a level beyond that of basic quality control (e.g. final processed sonar data, photo-mosaics).
Data Files
References
Acquisition Information
Documents
Related Data Sets
ISO/XML Metadata
References
Watts and Torne, 1992 Subsidence history, crustal structure, and thermal evolution of the Valencia Trough: Young extensional basin in the western Mediterranean J. Geophys. Res. 97(B13). doi: 10.1029/92JB00583
Torne et al., 1992 Crustal and velocity structure of the Valencia Trough (western Mediterranean): Part I, A combined refraction/wide-angle reflection and near-vertical reflection study Tectonophysics 203(1-4). doi: 10.1016/0040-1951(92)90212-O
Maillard et al., 1992 Tertiary sedimentary history and structure of the Valencia Trough (western Mediterranean) Tectonophysics 203(1-4). doi: 10.1016/0040-1951(92)90215-R
Watts et al., 1990 Evidence for reflectors in the lower continental crust before rifting in the Valencia Trough Nature London 348(6302). doi: 10.1038/348631a0
Collier et al., 1994 Moho and Lower Crustal Reflectivity beneath a Young Rift Basin - Results from a 2-Ship, Wide-Aperture Seismic-Reflection Experiment in the Valencia Trough (Western Mediterranean) Geophys. J. Int. 118.
Watts et al., 1993 Tectonic evolution of the Alboran Sea basin Basin Research 5. doi: 10.1111/j.1365-2117.1993.tb00063.x
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: RC2911
RC2911_ACQ001 (Lines: Recorded by Conrad (C_C): VALSIS COP lines 805,806,808,818-822; VALSIS ESP lines 807,809,814,816 recorded as CDP lines by Conrad; VALSIS CDP-only lines 813,815,817)
Source Information
AirGun (BOLT:1500C)
Source Number: 10
Volume (cu in): 5821
Pressure (psi): 2000
Distance to Near Channel (m): 280
Distance to Antenna (m): 58
Number of Arrays: 1
Receiver Information
Hydrophone:Streamer
Number of Cables: 1
Channels Per Cable: 96
Channels Recorded: 96
Group Spacing (m): 25
Cable Length (m): 2400
Near Channel Number: 96
Used Compass Birds: true
Nav System
GPS and Transit Satellite
WGS84
Acquisition System
Digital
Name: Digicon DSS240
Sample Interval (msec): 4
Record Length (sec): 20
Details
Most Gulf of Valencia (VALSIS) lines were shot and recorded by Conrad
Lines 810,811,812 were shot by Conrad but not recorded by Conrad
Shot Interval was 60s for ESP lines 807,809,814,816
Shot Interval was 30s for COP and CDP lines 805,806,808,818,819,820,821,822
Source Depth and Cable Depth are unknown
Shot Interval was 60s for Line 811 (recorded only on land)
RC2911_ACQ002 (Lines: Recorded by Charcot (C_CH): VALSIS COP lines 805,806,808,818-822; VALSIS ESP lines 807,809,810,812,814,816)
Source Information
AirGun (BOLT:1500C)
Source Number: 10
Volume (cu in): 5821
Pressure (psi): 2000
Distance to Antenna (m): 58
Number of Arrays: 1
Receiver Information
Hydrophone:Streamer
Number of Cables: 1
Channels Per Cable: 96
Channels Recorded: 96
Group Spacing (m): 25.25
Cable Length (m): 2400
Near Channel Number: 96
Used Compass Birds: true
Nav System
GPS and Transit Satellite
WGS84
Acquisition System
Digital
Name: Sercel SN-348
Sample Interval (msec): 4
Details
Conrad was the shooting ship
Jean Charcot was the recording ship
Source to Near Channel for COP lines was nominally 5400m
Source to Near Channel for ESP lines was continually increasing or decreasing
Shot Interval was 60 seconds for ESP lines
Record Length was 32 seconds for ESP lines
Shot Interval was 30 seconds for COP lines
Record Length was 20 seconds for COP lines
Source Depth and Cable Depth are unknown
RC2911_ACQ003 (Lines: Recorded by Conrad (C_C): Alboran Sea CDP-only lines 823-829)
Source Information
AirGun (BOLT:1500C)
Source Number: 10
Volume (cu in): 5821
Pressure (psi): 2000
Shot Interval (sec): 23
Distance to Near Channel (m): 280
Distance to Antenna (m): 58
Number of Arrays: 1
Receiver Information
Hydrophone:Streamer
Number of Cables: 1
Channels Per Cable: 96
Channels Recorded: 96
Group Spacing (m): 25
Cable Length (m): 2400
Near Channel Number: 96
Used Compass Birds: true
Nav System
GPS and Transit Satellite
WGS84
Acquisition System
Digital
Name: Digicon DSS240
Sample Interval (msec): 4
Record Length (sec): 20
Details
All Alboran Sea lines were shot and recorded by Conrad
Source Depth and Cable Depth are unknown
Data Set Documents
README
RC2911.LDEO.README (15.0kB)
ASCII
Cruise
rc2911.cruiserpt.pdf (1.6MB)
PDF
RC2911 Documents
Cruise
RC2911_science_rpt_AlboranSea.pdf (727.0kB)
PDF
Cruise
RC2911_science_rpt_Proj_Valsis.pdf (929.0kB)
PDF
Data Reduction
RC2911_technical_rpt.pdf (2.0MB)
PDF
Seismic observer log
RC2911_mcs_line_and_observer_log.pdf (3.3MB)
PDF
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Collier et al., 1994
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