cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.1594/pangaea.949031
title: Seismic reflection profile AWI-20080175 recorded in 2008, Southeastern Arctic Ocean

description: The data set provides unprocessed and processed seismic reflection data collected during Expedition PS72 (ARK-XXIII/3) onboard RV Polarstern in the southeastern Arctic Ocean in 2008. Detailed data acquisition parameters for the profile are documented in the expedition report (Jokat, 2015). Metadata, recording parameters, and the seismic data processing sequence are documented in the EBCDIC-Headers enclosed in the seg-y files. Navigation information is included in the seg-y headers, and in the CDP-SHOT-latitude-longitude file (see data product). A ReadMe file additionally lists the metadata and recording parameters for the seismic profile. The data set is grouped into three categories: 1. Raw data comprise (a) navigation data with date, time, and coordinates, (b) a shot list of date, time and shot-number, and (c) demultiplexed seismic data in seg-y format. Please note: for some very short consecutive profiles the demultiplexed raw data still are merged in one file. 2. Primary data consist of (a) CDP-sorted data in seg-y format, and (b) navigational data in a conventional UKOOA- file. 3. The data product is provided as (a) stacked or time-migrated version of the seismic profile in seg-y format and (b) a list with CDP and SHOT numbers as well as geographical coordinates. Please note that the low-frequency reflector running parallel to the seafloor at a depth of about 190 ms (~150 m) does not appear to be a ghost or bubble signal. It is likely an artifact created during acquisition that was not removed.
DOI: 10.1594/pangaea.949025
title: Seismic reflection profile AWI-20080155 recorded in 2008, Southeastern Arctic Ocean

description: The data set provides unprocessed and processed seismic reflection data collected during Expedition PS72 (ARK-XXIII/3) onboard RV Polarstern in the southeastern Arctic Ocean in 2008. Detailed data acquisition parameters for the profile are documented in the expedition report (Jokat, 2015). Metadata, recording parameters, and the seismic data processing sequence are documented in the EBCDIC-Headers enclosed in the seg-y files. Navigation information is included in the seg-y headers, and in the CDP-SHOT-latitude-longitude file (see data product). A ReadMe file additionally lists the metadata and recording parameters for the seismic profile. The data set is grouped into three categories: 1. Raw data comprise (a) navigation data with date, time, and coordinates, (b) a shot list of date, time and shot-number, and (c) demultiplexed seismic data in seg-y format. Please note: for some very short consecutive profiles the demultiplexed raw data still are merged in one file. 2. Primary data consist of (a) CDP-sorted data in seg-y format, and (b) navigational data in a conventional UKOOA- file. 3. The data product is provided as (a) stacked or time-migrated version of the seismic profile in seg-y format and (b) a list with CDP and SHOT numbers as well as geographical coordinates. Please note that the low-frequency reflector running parallel to the seafloor at a depth of about 190 ms (~150 m) does not appear to be a ghost or bubble signal. It is likely an artifact created during acquisition that was not removed.
DOI: 10.1594/pangaea.954017
title: Time-migrated multichannel seismic data and separated diffraction energy, sediment echosounder data and calculated grids from the Langeland Fault System, Baltic Sea

description: The understanding of the dynamics and scales of glacially induced faulting greatly benefits from an analyis using multiple geophysical datasets. By using a combination of high-resolution 2D seismic reflection data in combination with diffraction imaging, sediment echosounder data and shallow wells, we investigate a fault and graben system offshore Langeland Island in the Baltic Sea, which we term the Langeland Fault System. This approach allows to unravel the spatial character of the Langeland Fault System along an elevated basement block of the Ringkoebing-Fyn High. Our analysis shows the continuation of deep-rooted faults up to the seafloor. Imaging the shallowmost strata reveals Quaternary fault reactivation during glacial or postglacial times. This combination of imaging techniques is rarley realized in the onshore hinterland, thus, representing a unique analysis of Quaternary fault reactivation by combining onshore and offshore data and methods. Seismic data was acquired in September 2020 during a student field exercise cruise onboard R/V Alkor. The survey was organized by the University of Hamburg (Cruise AL545). Seismic data acquisition was carried out using a Mini-GI gun (true GI-mode with a 15 in³ generator and 30 in³ injector volume) and a 48-channel streamer with 4 m group spacing. The data have a dominant frequency of 250 Hz. Signal penetration is up to 1 s two-way travel time (TWT). The seismic processing routine included frequency filtering, amplitude recovery, noise reduction, surface-related multiple attenuation (SRME), Kirchhoff time migration. Innomars SES 2000 parametric sub-bottom profiler, which is hull-mounted on R/V Alkor, was used for the acquistion of the sediment echosounder data (Primary frequencies of about 100 kHz, secondary parametric frequency: 8 kHz). The diffraction imaging is based on separating the dominant reflected wavefield through a coherent summation scheme guided by a dip-based wavefront filter. In a next step, the reflection-only data is subtracted from the input data. The diffraction-only data is then focused using FD migration. By calculating the squared envelope of the focused diffractions, the diffraction energy stacks are obtained. The mapping procedure includes gridding using all available profiles in order to create time-structure maps by minimum curvature spline interpolation. Isochron maps (vertical thickness in two-way time) for the Triassic to Quaternary units were calculated by subtracting the top and bottom horizons of the specific units.
DOI: 10.1594/pangaea.925250
title: Falkland Plateau Sediment Drifts, seismic reflection profile AWI-20190002

description: Field data (SEGD) of seismic reflection profile AWI-20190002 collected during project Falkland Plateau Sediment Drifts with RV Maria S. Merian cruise MSM81 in 2019. Unprocessed data collected with 3000 m digital streamer, 4 GI-guns were used as seismic source every 25 m. See cruise report of MSM81 and readme file 20190002_segd_info.txt for further details on acquisition parameters.
DOI: 10.1594/pangaea.925641
title: Falkland Plateau Sediment Drifts, seismic reflection profile AWI-20190019

description: Field data (SEGD) of seismic reflection profile AWI-20190019 collected during project Falkland Plateau Sediment Drifts with RV Maria S. Merian cruise MSM81 in 2019. Unprocessed data collected with 3000 m digital streamer, 4 GI-guns were used as seismic source every 25 m. See cruise report of MSM81 and readme file 20190019_segd_info.txt for further details on acquisition parameters.
DOI: 10.1594/pangaea.952352
title: Project ISOLDE: DEPAS ocean-bottom seismometer operations around Tristan da Cunha in 2012-2013

description: According to classic plume theory, the Tristan da Cunha mantle plume played a major role in the rifting of the South Atlantic margins by impinging at the base of the continental lithosphere shortly before or during the breakup of the South Atlantic. Onshore the Tristan mantle plume is associated with the emplacement of the Parana-Etendeka flood basalt province ~132 Ma, and offshore with the age-progressive Walvis Ridge and associated young seamount province. The global data is lacking coverage and therefore resolution around the Tristan da Cunha for shallower mantle depths.The search for deep-reaching geophysical/thermal anomalies beneath Tristan da Cunha was the starting point for a multi-disciplinary geophysical experiment to acquire passive marine electromagnetic, seismic and bathymetric data within the framework of the SPP-1375 “South Atlantic Margin Processes and Links with onshore Evolution” (SAMPLE) funded by the German Science foundation. The experiment included two expeditions with the German research vessel MARIA S. MERIAN in 2012 and 2013. Between February 2012 and January 2013, a network of 24 ocean bottom seismometers (OBS) from the German DEPAS pool (Deutscher Geräte-Pool für Amphibische Seismologie) and 26 ocean-bottom magneto-telluric stations from GEOMAR Kiel and the University of Tokyo were deployed around the archipelago of Tristan da Cunha.The seismological stations are equipped with a Güralp CMG-40T wideband seismometer (60 s) incorporated in a titanium pressure housing, a hydrophone, and a GEOLON MCS (Marine Compact Seismocorder) data logger from SEND GmbH Hamburg, Germany. Each sensor channel is sampled at 50 Hz (2 OBS at 100 Hz), preamplifier gain of the hydrophone channel is 4 and 1 for the three seismometer components. The seismometers are connected to a cardanic levelling mechanism, which was activated every 21 days to level the sensors. Based on previous experiments and triangulation of some stations, the accuracy of the positions is estimated to 500 m.To complement the ocean-bottom network and the existing observatory on Tristan da Cunha (TRIS), two land seismometers and one magnetotelluric station were installed on Nightingale Island located southwest of the main island each of which was equipped with a Güralp-3ESP seismometer (60 s) and an EarthData data logger. As recording parameters, we chose 100 Hz sampling rate and low preamplifier gain (0.4). One of the stations (NIG01) recorded earthquake data for the entire year, while the second station failed after few days due to water damage. Unfortunately, the permanent station TRIS failed also during the experiment.
DOI: 10.1594/pangaea.922556
title: Kerguelen Plateau sediment Drift, seismic reflection profile AWI-20200001

description: Field data (SEGD) of seismic reflection profile AWI-20200001 collected during project Kerguelen Plateau Sediment Drifts with RV Sonne cruise SO272 in 2020. Unprocessed data collected with 3000 m digital streamer, 4 GI-guns were used as seismic source every 25 m. See cruise report of SO272 and readme file 20200001_segd_info for further details on acquisition parameters.
DOI: 10.1594/pangaea.925643
title: Falkland Plateau Sediment Drifts, seismic reflection profile AWI-20190021

description: Field data (SEGD) of seismic reflection profile AWI-20190021 collected during project Falkland Plateau Sediment Drifts with RV Maria S. Merian cruise MSM81 in 2019. Unprocessed data collected with 3000 m digital streamer, 4 GI-guns were used as seismic source every 25 m. See cruise report of MSM81 and readme file 20190021_segd_info.txt for further details on acquisition parameters.
DOI: 10.1594/pangaea.925644
title: Falkland Plateau Sediment Drifts, seismic reflection profile AWI-20190022

description: Field data (SEGD) of seismic reflection profile AWI-20190022 collected during project Falkland Plateau Sediment Drifts with RV Maria S. Merian cruise MSM81 in 2019. Unprocessed data collected with 3000 m digital streamer, 4 GI-guns were used as seismic source every 25 m. See cruise report of MSM81 and readme file 20190022_segd_info.txt for further details on acquisition parameters.
DOI: 10.1594/pangaea.925481
title: Falkland Plateau Sediment Drifts, seismic reflection profile AWI-20190015

description: Field data (SEGD) of seismic reflection profile AWI-20190015 collected during project Falkland Plateau Sediment Drifts with RV Maria S. Merian cruise MSM81 in 2019. Unprocessed data collected with 3000 m digital streamer, 4 GI-guns were used as seismic source every 25 m. See cruise report of MSM81 and readme file 20190015_segd_info.txt for further details on acquisition parameters.
DOI: 10.1594/pangaea.925462
title: Falkland Plateau Sediment Drifts, seismic reflection profile AWI-20190001

description: Field data (SEGD) of seismic reflection profile AWI-20190001 collected during project Falkland Plateau Sediment Drifts with RV Maria S. Merian cruise MSM81 in 2019. Unprocessed data collected with 3000 m digital streamer, 4 GI-guns were used as seismic source every 25 m. See cruise report of MSM81 and readme file 20190001_segd_info.txt for further details on acquisition parameters.
DOI: 10.1594/pangaea.925473
title: Falkland Plateau Sediment Drifts, seismic reflection profile AWI-20190008

description: Field data (SEGD) of seismic reflection profile AWI-20190008 collected during project Falkland Plateau Sediment Drifts with RV Maria S. Merian cruise MSM81 in 2019. Unprocessed data collected with 3000 m digital streamer, 4 GI-guns were used as seismic source every 25 m. See cruise report of MSM81 and readme file 20190008_segd_info.txt for further details on acquisition parameters.
DOI: 10.1594/pangaea.925474
title: Falkland Plateau Sediment Drifts, seismic reflection profile AWI-20190009

description: Field data (SEGD) of seismic reflection profile AWI-20190009 collected during project Falkland Plateau Sediment Drifts with RV Maria S. Merian cruise MSM81 in 2019. Unprocessed data collected with 3000 m digital streamer, 4 GI-guns were used as seismic source every 25 m. See cruise report of MSM81 and readme file 20190009_segd_info.txt for further details on acquisition parameters.
DOI: 10.60656/06a57e84d80544ee
title: Custom collection of radar data from Chilbolton on 3 Aug 2023
DOI: 10.1594/pangaea.925486
title: Falkland Plateau Sediment Drifts, seismic reflection profile AWI-20190017

description: Field data (SEGD) of seismic reflection profile AWI-20190017 collected during project Falkland Plateau Sediment Drifts with RV Maria S. Merian cruise MSM81 in 2019. Unprocessed data collected with 3000 m digital streamer, 4 GI-guns were used as seismic source every 25 m. See cruise report of MSM81 and readme file 20190017_segd_info.txt for further details on acquisition parameters.
DOI: 10.1594/pangaea.947204
title: Seismic reflection profile AWI-20080180 recorded in 2008, Southeastern Arctic Ocean

description: The data set provides unprocessed and processed seismic reflection data collected during Expedition PS72 (ARK-XXIII/3) onboard RV Polarstern in the southeastern Arctic Ocean in 2008. Detailed data acquisition parameters for the profile are documented in the expedition report (Jokat, 2015). Metadata, recording parameters, and the seismic data processing sequence are documented in the EBCDIC-Headers enclosed in the seg-y files. Navigation information is included in the seg-y headers, and in the CDP-SHOT-latitude-longitude file (see data product). A ReadMe file additionally lists the metadata and recording parameters for the seismic profile. The data set is grouped into three categories: 1. Raw data comprise (a) navigation data with date, time, and coordinates, (b) a shot list of date, time and shot-number, and (c) demultiplexed seismic data in seg-y format. Please note: for some very short consecutive profiles the demultiplexed raw data still are merged in one file. 2. Primary data consist of (a) CDP-sorted data in seg-y format, and (b) navigational data in a conventional UKOOA- file. 3. The data product is provided as (a) stacked or time-migrated version of the seismic profile in seg-y format and (b) a list with CDP and SHOT numbers as well as geographical coordinates. Please note that the low-frequency reflector running parallel to the seafloor at a depth of about 190 ms (~150 m) does not appear to be a ghost or bubble signal. It is likely an artifact created during acquisition that was not removed.
DOI: 10.1594/pangaea.948986
title: Seismic reflection profile AWI-20080060 recorded in 2008, Southeastern Arctic Ocean

description: The data set provides unprocessed and processed seismic reflection data collected during Expedition PS72 (ARK-XXIII/3) onboard RV Polarstern in the southeastern Arctic Ocean in 2008. Detailed data acquisition parameters for the profile are documented in the expedition report (Jokat, 2015). Metadata, recording parameters, and the seismic data processing sequence are documented in the EBCDIC-Headers enclosed in the seg-y files. Navigation information is included in the seg-y headers, and in the CDP-SHOT-latitude-longitude file (see data product). A ReadMe file additionally lists the metadata and recording parameters for the seismic profile. The data set is grouped into three categories: 1. Raw data comprise (a) navigation data with date, time, and coordinates, (b) a shot list of date, time and shot-number, and (c) demultiplexed seismic data in seg-y format. Please note: for some very short consecutive profiles the demultiplexed raw data still are merged in one file. 2. Primary data consist of (a) CDP-sorted data in seg-y format, and (b) navigational data in a conventional UKOOA- file. 3. The data product is provided as (a) stacked or time-migrated version of the seismic profile in seg-y format and (b) a list with CDP and SHOT numbers as well as geographical coordinates. Please note that the low-frequency reflector running parallel to the seafloor at a depth of about 190 ms (~150 m) does not appear to be a ghost or bubble signal. It is likely an artifact created during acquisition that was not removed.
DOI: 10.1594/pangaea.948906
title: Seismic reflection profile AWI-20080001 recorded in 2008, Southeastern Arctic Ocean

description: The data set provides unprocessed and processed seismic reflection data collected during Expedition PS72 (ARK-XXIII/3) onboard RV Polarstern in the southeastern Arctic Ocean in 2008. Detailed data acquisition parameters for the profile are documented in the expedition report (Jokat, 2015). Metadata, recording parameters, and the seismic data processing sequence are documented in the EBCDIC-Headers enclosed in the seg-y files. Navigation information is included in the seg-y headers, and in the CDP-SHOT-latitude-longitude file (see data product). A ReadMe file additionally lists the metadata and recording parameters for the seismic profile. The data set is grouped into three categories: 1. Raw data comprise (a) navigation data with date, time, and coordinates, (b) a shot list of date, time and shot-number, and (c) demultiplexed seismic data in seg-y format. Please note: for some very short consecutive profiles the demultiplexed raw data still are merged in one file. 2. Primary data consist of (a) CDP-sorted data in seg-y format, and (b) navigational data in a conventional UKOOA- file. 3. The data product is provided as (a) stacked or time-migrated version of the seismic profile in seg-y format and (b) a list with CDP and SHOT numbers as well as geographical coordinates. Please note that the low-frequency reflector running parallel to the seafloor at a depth of about 190 ms (~150 m) does not appear to be a ghost or bubble signal. It is likely an artifact created during acquisition that was not removed.
DOI: 10.1594/pangaea.949017
title: Seismic reflection profile AWI-20080177 recorded in 2008, Southeastern Arctic Ocean

description: The data set provides unprocessed and processed seismic reflection data collected during Expedition PS72 (ARK-XXIII/3) onboard RV Polarstern in the southeastern Arctic Ocean in 2008. Detailed data acquisition parameters for the profile are documented in the expedition report (Jokat, 2015). Metadata, recording parameters, and the seismic data processing sequence are documented in the EBCDIC-Headers enclosed in the seg-y files. Navigation information is included in the seg-y headers, and in the CDP-SHOT-latitude-longitude file (see data product). A ReadMe file additionally lists the metadata and recording parameters for the seismic profile. The data set is grouped into three categories: 1. Raw data comprise (a) navigation data with date, time, and coordinates, (b) a shot list of date, time and shot-number, and (c) demultiplexed seismic data in seg-y format. Please note: for some very short consecutive profiles the demultiplexed raw data still are merged in one file. 2. Primary data consist of (a) CDP-sorted data in seg-y format, and (b) navigational data in a conventional UKOOA- file. 3. The data product is provided as (a) stacked or time-migrated version of the seismic profile in seg-y format and (b) a list with CDP and SHOT numbers as well as geographical coordinates. Please note that the low-frequency reflector running parallel to the seafloor at a depth of about 190 ms (~150 m) does not appear to be a ghost or bubble signal. It is likely an artifact created during acquisition that was not removed.
DOI: 10.1594/pangaea.948988
title: Seismic reflection profile AWI-20080050 recorded in 2008, Southeastern Arctic Ocean

description: The data set provides unprocessed and processed seismic reflection data collected during Expedition PS72 (ARK-XXIII/3) onboard RV Polarstern in the southeastern Arctic Ocean in 2008. Detailed data acquisition parameters for the profile are documented in the expedition report (Jokat, 2015). Metadata, recording parameters, and the seismic data processing sequence are documented in the EBCDIC-Headers enclosed in the seg-y files. Navigation information is included in the seg-y headers, and in the CDP-SHOT-latitude-longitude file (see data product). A ReadMe file additionally lists the metadata and recording parameters for the seismic profile. The data set is grouped into three categories: 1. Raw data comprise (a) navigation data with date, time, and coordinates, (b) a shot list of date, time and shot-number, and (c) demultiplexed seismic data in seg-y format. Please note: for some very short consecutive profiles the demultiplexed raw data still are merged in one file. 2. Primary data consist of (a) CDP-sorted data in seg-y format, and (b) navigational data in a conventional UKOOA- file. 3. The data product is provided as (a) stacked or time-migrated version of the seismic profile in seg-y format and (b) a list with CDP and SHOT numbers as well as geographical coordinates. Please note that the low-frequency reflector running parallel to the seafloor at a depth of about 190 ms (~150 m) does not appear to be a ghost or bubble signal. It is likely an artifact created during acquisition that was not removed.
DOI: 10.1594/pangaea.948993
title: Seismic reflection profile AWI-20080061 recorded in 2008, Southeastern Arctic Ocean

description: The data set provides unprocessed and processed seismic reflection data collected during Expedition PS72 (ARK-XXIII/3) onboard RV Polarstern in the southeastern Arctic Ocean in 2008. Detailed data acquisition parameters for the profile are documented in the expedition report (Jokat, 2015). Metadata, recording parameters, and the seismic data processing sequence are documented in the EBCDIC-Headers enclosed in the seg-y files. Navigation information is included in the seg-y headers, and in the CDP-SHOT-latitude-longitude file (see data product). A ReadMe file additionally lists the metadata and recording parameters for the seismic profile. The data set is grouped into three categories: 1. Raw data comprise (a) navigation data with date, time, and coordinates, (b) a shot list of date, time and shot-number, and (c) demultiplexed seismic data in seg-y format. Please note: for some very short consecutive profiles the demultiplexed raw data still are merged in one file. 2. Primary data consist of (a) CDP-sorted data in seg-y format, and (b) navigational data in a conventional UKOOA- file. 3. The data product is provided as (a) stacked or time-migrated version of the seismic profile in seg-y format and (b) a list with CDP and SHOT numbers as well as geographical coordinates. Please note that the low-frequency reflector running parallel to the seafloor at a depth of about 190 ms (~150 m) does not appear to be a ghost or bubble signal. It is likely an artifact created during acquisition that was not removed.