Stoltenberg, Mads Ramsgaard; Noormets, Riko; Andresen, Katrine Juul; Alstrup, Aage Kristian Olsen; Munk, Ole Lajord; Seidenkrantz, Marit-Solveig; Pearce, Christof: Sediment echosounder processed data (dataset compilation) of RV VIKING EXPLORER & RV HELMER HANSSEN during cruises in 2008-2022, Adventfjorden, Greenland Sea [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.995443 (dataset in review)
Abstract:
This submission contains shallow seismic reflection data acquired in Adventfjorden, Svalbard, during survey campaigns conducted in 2008, 2016, and 2022. The datasets comprise high-resolution sub-bottom profiler data obtained using boomer, chirp, and parametric (Innomar) acoustic systems. The 2008 boomer survey, conducted using a 136A GeoPulse sub-bottom profiler, provides fjord-wide coverage of shallow subsurface stratigraphy. The 2016 chirp survey, acquired using an EdgeTech 2000-CSS system, focuses on the inner fjord and the delta fan of the Adventelva, offering detailed imaging of sedimentary layering. The 2022 parametric survey, acquired using an Innomar deep-36 system, covers the central fjord axis and provides very high-resolution imaging of subsurface structures. All data are provided in SEG-Y format, with navigation data (UTM coordinates) stored in the trace headers, specified by byte locations in the accompanying metadata file. Acquisition parameters, file structure, and additional processing information are documented in detail in the provided metadata tables. The datasets are used in a study investigating Late Holocene sedimentary and morphodynamic responses to climatic variability in Adventfjorden, which is currently under submission in Marine Geology. The seismic data enable the identification of depositional structures, including sediment waves, and are used to investigate turbiditic flow dynamic responses in this high-Arctic fjord environment.
Keyword(s):
Supplement to:
Stoltenberg, Mads Ramsgaard; Noormets, Riko; Andresen, Katrine Juul; Alstrup, Aage Kristian Olsen; Munk, Ole Lajord; Seidenkrantz, Marit-Solveig; Pearce, Christof (submitted): Linking Late Holocene climate variations to cyclic steps formation in a Svalbard fjord delta: Understanding turbiditic flow dynamic responses to regional climatic development. Marine Geology
Funding:
European Commission (EC), grant/award no. 101136480: Blue Carbon production, export and sequestration in emerging polar ecosystems (SEA-Quester)
Horizon 2020 of the European Commission (H2020), grant/award no. 869383: Arctic biodiversity change and its consequences: Assessing, monitoring and predicting the effects of ecosystem tipping cascades on marine ecosystem services and dependent human systems (ECOTIP)
Coverage:
Median Latitude: 78.242332 * Median Longitude: 15.631337 * South-bound Latitude: 78.229280 * West-bound Longitude: 15.578520 * North-bound Latitude: 78.257880 * East-bound Longitude: 15.696040
Date/Time Start: 2008-05-01T07:33:05 * Date/Time End: 2022-10-06T10:17:54
Event(s):
AF2008_Boomer * Latitude Start: 78.229280 * Longitude Start: 15.679700 * Latitude End: 78.249320 * Longitude End: 15.585270 * Date/Time Start: 2008-05-01T07:33:05 * Date/Time End: 2008-05-01T13:48:49 * Basis: Viking Explorer * Method/Device: Sub-bottom profiler, 136A GeoPulse SBP system
AF2016_Chirp * Latitude Start: 78.248870 * Longitude Start: 15.587980 * Latitude End: 78.237130 * Longitude End: 15.696040 * Date/Time Start: 2016-08-29T14:12:58 * Date/Time End: 2016-08-29T15:35:36 * Basis: Viking Explorer * Method/Device: Sub-bottom profiler, EdgeTech 2000-CSS
AF2022_Innomar * Latitude Start: 78.257880 * Longitude Start: 15.578520 * Latitude End: 78.231510 * Longitude End: 15.660510 * Date/Time Start: 2022-10-06T08:39:23 * Date/Time End: 2022-10-06T10:17:54 * Campaign: HH2022 * Basis: Helmer Hanssen * Method/Device: Sub-bottom profiler, Innomar deep-36 system
Parameter(s):
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 1 (ProcLevel1)
Size:
380 data points