Hübscher, Christian; Lüdmann, Thomas; Betzler, Christian (2024): 2D multichannel seismic reflection processed data (GI Gun working area dataset) of RV SONNE during cruise SO292, Queensland Plateau, Coral Sea [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.965100
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Abstract:
The seismic data were collected on the Queensland Plateau during RV SONNE expedition SO292 in spring 2022 (Betzler et al., 2022). The seismic signals were generated by two simultaneously released GI-Gun (true GI-Modus; primary volume of 45 in3) and a Mini-GI source (true GI-Modus; primary volume of 15 in3), towed 41 m behind the ship's stern and in a water depth of ca. 2.5 m. Sources were released by a GPS-controlled PC every 18.75 m at 160 bar. To synchronize seismic sources and trigger the recording system, a SureShot trigger system was used. This system allowed to display and adjust the source signatures measured by hydrophones attached to the seismic sources for each shot and therefore enabled an online quality control during the watchkeeping. The streamer was a Hydroscience Technologies SeaMUX 144-channel system with an active length of 600 m and symmetric group interval. The recording length was set to 4 s, the sample interval was 1 ms. Raw data were stored in SEG-Y format.
All seismic profiles were processed on board with the 2021 VISTA® desktop seismic data processing software by Schlumberger. The main processing steps were Bandpass filtering (18/25 – 350/450 Hz), velocity analysis (every 25-500 CMP), spherical divergence correction, NMO-correction and stack, FD migration, topmute, data enhancement (white noise removal, fx deco), scaling. Processed data contained in this dataset are stored as SEG-Y. UTM coordinates (UTM zone 55) are stored at trace header position 181 (4-byte) and 185 (4-byte).
Related to:
Betzler, Christian; Artschwager, Maike; Becking, Johanna; Bialik, Or M; Eggers, Dirk; Eisermann, Jan Oliver; Falkenberg, Pauline; Häcker, Tobias; Hübscher, Christian; Hincke, Carola; Lahajnar, Niko; Lindhorst, Sebastian; Lüdmann, Thomas; Maak, Joely Marie; Maul, Jacob; Petrovic, Alexander; Reolid, Jesus; Saitz, Yannick; Schmidt, Maryse Charlotte; Schönbeck, Frederik; Schwarz, Tom; Strehse, Victoria; Wasilewski, Thomas; Welsch, Andreas (2022): Towards an understanding of carbonate platforms in the icehouse world, Cruise No. SO292, 15.05.2022 - 21.06.2022, Nouméa (New Caledonia) - Nouméa (New Caledonia). SONNE-Berichte, Begutachtungspanel Forschungsschiffe, SO292, 58 pp, https://doi.org/10.48433/cr_so292
Coverage:
Median Latitude: -17.636800 * Median Longitude: 150.350458 * South-bound Latitude: -18.114983 * West-bound Longitude: 150.047983 * North-bound Latitude: -17.158617 * East-bound Longitude: 150.652933
Date/Time Start: 2022-05-28T23:52:00 * Date/Time End: 2022-06-01T07:45:00
Minimum Elevation: -851.0 m * Maximum Elevation: -608.5 m
Event(s):
SO292_43-1 * Latitude Start: -18.114983 * Longitude Start: 150.047983 * Latitude End: -17.158617 * Longitude End: 150.652933 * Date/Time Start: 2022-05-28T23:52:00 * Date/Time End: 2022-06-01T07:45:00 * Elevation Start: -851.0 m * Elevation End: -608.5 m * Location: Coral Sea * Campaign: SO292 (ICECARB) * Basis: Sonne_2 * Method/Device: Seismic (SEIS)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Binary Object | Binary | Hübscher, Christian | |||
| 2 | Binary Object (Media Type) | Binary (Type) | Hübscher, Christian | |||
| 3 | Binary Object (File Size) | Binary (Size) | Bytes | Hübscher, Christian | ||
| 4 | Binary Object (MD5 Hash) | Binary (Hash) | Hübscher, Christian | |||
| 5 | Profile | Profile | Hübscher, Christian | Seismic reflection profile (SEISREFL) | ||
| 6 | Start of data file recording, latitude | File start latitude | Hübscher, Christian | |||
| 7 | Start of data file recording, longitude | File start longitude | Hübscher, Christian | |||
| 8 | Stop of data file recording, latitude | File stop latitude | Hübscher, Christian | |||
| 9 | Stop of data file recording, longitude | File stop longitude | Hübscher, Christian |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0) (License comes into effect after moratorium ends)
Status:
Curation Level: Enhanced curation (CurationLevelC) * Processing Level: PANGAEA data processing level 3 (ProcLevel3)
Size:
42 data points