Kühn, Michel; Berndt, Christian; Krastel, Sebastian (2023): 3D multichannel seismic reflection processed data (P-Cable system with GI Gun) of RV METEOR during cruise M154/1, Montserrat, Lesser Antilles [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.963076
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Published: 2023-11-24 • DOI registered: 2023-12-26
Abstract:
Included here are 3D post-stack time migrated data from Montserrat, Lesser Antilles. The data were collected aboard RV METEOR in 2019 during Research Cruise M154/1 using GEOMAR's P-Cable seismic system. Seismic source were two Generator-Injector airguns fired in TRUE GI mode with generator and injector volumes of 105 cubic inches. The source was towed at a nominal depth of 2 m beneath the sea surface. Shot interval was 5 seconds at a ship speed of ~3.5 knots. Gun pressure was set at 160 bar. The receiver geometry consisted of 14 to 16 streamer sections attached to a 199 m long cross cable. Processing included: 3D geometry application, trace editing, static time corrections, anomalous amplitude attenuation, FK filtering, pre-stack trace interpolation, adaptive subtraction multiple suppression, sorting to common midpoint gathers, normal moveout correction (1580 m/s to 1725 m/s gradient velocity model), stacking, trace interpolation, 3D FK coherency filtering, 3D finite difference migration (1580 m/s to 1725 m/s gradient velocity model; first inline, then crossline). The dataset has a horizontal resolution of 3.125 m (bin size) and a dominant frequency of ~100 Hz.
Related to:
Berndt, Christian; Böttner, Christoph; Elger, Judith; Kontradowitz, Stefan; Kühn, Michel; Müller, Sebastian; Schramm, Bettina; Stelzner, Martin (2019): Sector collapse kinematics and tsunami implications - SEKT, Cruise No. M154/1, April 3 - April 25, 2019, Mindelo (Cape Verde) - Point-á-Pitre (Guadeloupe). METEOR-Berichte, Gutachterpanel Forschungsschiffe, M154/1, 47 pp, https://doi.org/10.2312/cr_m154_1
Funding:
Deutsche Forschungsgemeinschaft, Bonn (DFG), grant/award no. 453685300: Sector collapse kinematics and tsunami implications (SEKT)
Coverage:
Median Latitude: 16.634153 * Median Longitude: -61.995363 * South-bound Latitude: 16.589670 * West-bound Longitude: -62.037930 * North-bound Latitude: 16.661570 * East-bound Longitude: -61.938770
Date/Time Start: 2019-04-11T21:55:00 * Date/Time End: 2019-04-23T16:40:00
Minimum Elevation: -1108.0 m * Maximum Elevation: -769.0 m
Event(s):
M154/1_14-1 * Latitude Start: 16.589670 * Longitude Start: -61.938770 * Latitude End: 16.649270 * Longitude End: -62.037930 * Date/Time Start: 2019-04-11T21:55:00 * Date/Time End: 2019-04-13T04:33:00 * Elevation Start: -1000.0 m * Elevation End: -1108.0 m * Campaign: M154/1 * Basis: Meteor (1986) * Method/Device: Seismic (SEIS)
M154/1_16-1 * Latitude Start: 16.633470 * Longitude Start: -61.979530 * Latitude End: 16.610270 * Longitude End: -61.942730 * Date/Time Start: 2019-04-16T00:58:00 * Date/Time End: 2019-04-18T02:54:00 * Elevation Start: -977.0 m * Elevation End: -769.0 m * Campaign: M154/1 * Basis: Meteor (1986) * Method/Device: Seismic (SEIS)
M154/1_18-1 * Latitude Start: 16.660670 * Longitude Start: -62.036820 * Latitude End: 16.661570 * Longitude End: -62.036400 * Date/Time Start: 2019-04-19T06:00:00 * Date/Time End: 2019-04-23T16:40:00 * Elevation Start: -1104.0 m * Elevation End: -1102.0 m * Campaign: M154/1 * Basis: Meteor (1986) * Method/Device: Seismic (SEIS)
Comment:
Information required for loading the data:
Data corners:
Corner 1: Inline=1058, Crossline=1041, X=613125.00 m Y=1834222.00 m
Corner 2: Inline=1058, Crossline=5244, X=601750.00 m Y=1840789.20 m
Corner 3: Inline=2105, Crossline=5244, X=603386.00 m Y=1843623.00 m
Corner 4: Inline=2105, Crossline=1041, X= 614760.60 m Y=1837055.60 m
Coordinate system: WGS 84 UTM zone 20N: EPSG 32620
Inline and Crossline headers: Bytes 193 (inlines) and 189 (crosslines)
Coordinate headers: Bytes 181-184 (X coord) and Bytes 185-188 (Y coord). Coordinates in centimetres (COORD_SCALE = -100)
Trace length=3000 ms, Sample rate=1 ms, Total traces=4405792 (935 inlines x 4204 xlines)
Further additional funding:
- Cruise financed by DFG (MerMet 14-104)
- Data research financed by Program-Oriented Funding IV (PoF IV) of the Helmholtz Association
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Binary Object | Binary | Berndt, Christian | P-Cable 3D Seismic | ||
| 2 | Binary Object (Media Type) | Binary (Type) | Berndt, Christian | P-Cable 3D Seismic | ||
| 3 | Binary Object (File Size) | Binary (Size) | Bytes | Berndt, Christian | P-Cable 3D Seismic | |
| 4 | Binary Object (MD5 Hash) | Binary (Hash) | Berndt, Christian | P-Cable 3D Seismic | ||
| 5 | File content | Content | Berndt, Christian |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC) * Processing Level: PANGAEA data processing level 3 (ProcLevel3)
Size:
2 data points