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  • 1
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    Reaction of a polar gravel‐spit system to atmospheric warming and glacier retreat as reflected by morphology and internal sediment geometries (South Shetland Islands, Antarctica) (2019)
    Wiley
    In:  EPIC3Earth Surface Processes and Landforms, Wiley, 44(5), pp. 1148-1162, ISSN: 0197-9337
    Details
    Publication Date: 2019-04-29
    Description: Sedimentary architecture and morphogenetic evolution of a polar bay-mouth gravel-spit system are revealed based on topographic mapping, sedimentological data, radiocarbon dating and ground-penetrating radar investigations. Data document variable rates of spit progradation in reaction to atmospheric warming synchronous to the termination of the last glacial re-advance (LGR, 0.45–0.25 ka BP), the southern hemisphere equivalent of the Little Ice Age cooling period. Results show an interruption of spit progradation that coincides with the proposed onset of accelerated isostatic rebound in reaction to glacier retreat. Spit growth resumed in the late 19th century after the rate of isostatic rebound decreased, and continues until today. The direction of modern spit progradation, however, is rotated northwards compared with the growth axis of the early post-LGR spit. This is interpreted to reflect the shift and strengthening in the regional wind field during the last century. A new concept for the interplay of polar gravel-spit progradation and glacio-isostatic adjustment is presented, allowing for the prediction of future coastal evolution in comparable polar settings.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev , info:eu-repo/semantics/article
    Format: application/pdf
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  • 2
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    Ground-penetrating radar data from polar gravel beaches along the coasts of Potter Peninsula, King George Island, Western Antarctica (2013)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
    Type: PANGAEA Documentation , notRev
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  • 3
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    Reaction of a polar gravel‐spit system to atmospheric warming and glacier retreat as reflected by morphology and internal sediment geometries (South Shetland Islands, Antarctica) (2019)
    Wiley
    Details
    Publication Date: 2019-01-21
    Print ISSN: 0197-9337
    Electronic ISSN: 1096-9837
    Topics: Geography , Geosciences
    Published by Wiley on behalf of British Society for Geomorphology.
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  • 4
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    Periplatform drift: The combined result of contour current and off-bank transport along carbonate platforms (2014)
    Geological Society of America
    Details
    Publication Date: 2014-10-01
    Print ISSN: 0091-7613
    Electronic ISSN: 1943-2682
    Topics: Geosciences
    Published by Geological Society of America
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  • 5
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    Polar gravel beach-ridge systems: Sedimentary architecture, genesis, and implications for climate reconstructions (South Shetland Islands/Western Antarctic Peninsula) (2014)
    Elsevier
    Details
    Publication Date: 2014-09-01
    Print ISSN: 0169-555X
    Electronic ISSN: 1872-695X
    Topics: Geography , Geosciences
    Published by Elsevier
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  • 6
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    Water column raw data (Kongsberg EM 122 entire dataset) of RV METEOR during cruise M95 (2022)
    PANGAEA
    Details
    Publication Date: 2024-04-20
    Description: Water column raw data using the ship's own Kongsberg EM 122 multibeam echosounder was not continuously recorded during RV METEOR cruise M95. Data was recorded on 3 days between 2013-04-01 and 2013-04-10. This dataset contains a survey about 120 km west of the coast of the Bahamas. The data are archived at the Federal Maritime and Hydrographic Agency of Germany (Bundesamt für Seeschifffahrt und Hydrographie, BSH) and provided to PANGAEA database for data curation and publication. No ancillary sound velocity profiles (SVP) files from the cruise are archived at the BSH and therefore published at the corresponding multibeam raw dataset https://doi.org/10.1594/PANGAEA.942459. This publication is conducted within the efforts of the German Marine Research Alliance in the core area "Data management and Digitalization" (Deutsche Allianz Meeresforschung, DAM).
    Keywords: Bathymetry; Binary Object; Binary Object (File Size); Binary Object (Media Type); CICARB; DAM_Underway; DAM Underway Research Data; Data file recording distance; Data file recording duration; DATE/TIME; ELEVATION; File content; Kongsberg datagram raw file name; LATITUDE; LONGITUDE; M95; M95_0_Underway-1; Meteor (1986); Multibeam Echosounder; Number of pings; Ship speed; Start of data file, depth; Start of data file, heading; Start of data file recording, date/time; Start of data file recording, latitude; Start of data file recording, longitude; Stop of data file, depth; Stop of data file, heading; Stop of data file recording, date/time; Stop of data file recording, latitude; Stop of data file recording, longitude; Swath-mapping system Simrad EM122 (Kongsberg Maritime AS); Water Column Data
    Type: Dataset
    Format: text/tab-separated-values, 442 data points
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    DATA PANGAEA
  • 7
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    Multibeam bathymetry raw data (Kongsberg EM710 entire dataset) of RV METEOR during cruise M95 (2022)
    PANGAEA
    Details
    Publication Date: 2024-04-20
    Description: Multibeam bathymetry raw data using the ship's own Kongsberg EM 710 multibeam echosounder was mostly continuously recorded during RV METEOR cruise M95. Data was recorded on 19 days between 2013-04-01 and 2013-04-19. This dataset contains a survey about 120 km west of the coast of the Bahamas. The approximate average depth of the entire dataset is around 600m. The data are archived at the Federal Maritime and Hydrographic Agency of Germany (Bundesamt für Seeschifffahrt und Hydrographie, BSH) and provided to PANGAEA database for data curation and publication. Ancillary sound velocity profiles (SVP) files from the cruise are not archived at the BSH, thus no SVP files are added to this dataset. However, data analysis of the multibeam raw data revealed that SVP has been changed several times during the survey. This publication is conducted within the efforts of the German Marine Research Alliance in the core area "Data management and Digitalization" (Deutsche Allianz Meeresforschung, DAM). Data are unprocessed and therefore contains incorrect depth measurements (artifacts) without further processing. Overall, it appears that the data quality is rather poor since the gridded hillshade data showed relatively many obstacles (artifacts). It appears, that the Kongsberg EM 122 multibeam echosounder was simultaneously running during data acquisition since the data coverage is nearly the same (https://doi.org/10.1594/PANGAEA.942459). However whether this was affecting the data quality is unknown. The data quality of corresponding dataset from the Kongsberg EM 122 multibeam echosounder is comparably a little bit better (having less artifacts). Data can be processed e.g. with the open source software package MB-System (Caress, D. W., and D. N. Chayes, MB-System: Mapping the Seafloor, http://www.mbari.org/products/research-software/mb-system/, 2022).
    Keywords: Bathymetry; Binary Object; Binary Object (File Size); Binary Object (Media Type); CICARB; DAM_Underway; DAM Underway Research Data; Data file recording distance; Data file recording duration; DATE/TIME; ELEVATION; File content; Kongsberg datagram raw file name; LATITUDE; LONGITUDE; M95; M95_0_Underway-2; Meteor (1986); Multibeam Echosounder; Number of pings; Ship speed; Start of data file, depth; Start of data file, heading; Start of data file recording, date/time; Start of data file recording, latitude; Start of data file recording, longitude; Stop of data file, depth; Stop of data file, heading; Stop of data file recording, date/time; Stop of data file recording, latitude; Stop of data file recording, longitude; Swath-mapping system Simrad EM710 (Kongsberg Maritime AS)
    Type: Dataset
    Format: text/tab-separated-values, 10914 data points
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    DATA PANGAEA
  • 8
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    Radar profiles from South Shetland Islands/Western Antarctic Peninsula (2014)
    PANGAEA
    In:  Supplement to: Lindhorst, Sebastian; Schutter, Ilona (2014): Polar gravel beach-ridge systems: Sedimentary architecture, genesis, and implications for climate reconstructions (South Shetland Islands/Western Antarctic Peninsula). Geomorphology, 221, 187-203, https://doi.org/10.1016/j.geomorph.2014.06.013
    Details
    Publication Date: 2024-04-16
    Description: The sedimentary architecture of polar gravel-beach ridges is presented and it is shown that ridge internal geometries reflect past wave-climate conditions. Ground-penetrating radar (GPR) data obtained along the coasts of Potter Peninsula (King George Island) show that beach ridges unconformably overlie the prograding strand plain. Development of individual ridges is seen to result from multiple storms in periods of increased storm-wave impact on the coast. Strand-plain progradation, by contrast, is the result of swash sedimentation at the beach-face under persistent calm conditions. The sedimentary architecture of beach ridges in sheltered parts of the coast is characterized by seaward-dipping prograding beds, being the result of swash deposition under stormy conditions, or aggrading beds formed by wave overtopping. By contrast, ridges exposed to high-energy waves are composed of seaward- as well as landward-dipping strata, bundled by numerous erosional unconformities. These erosional unconformities are the result of sediment starvation or partial reworking of ridge material during exceptional strong storms. The number of individual ridges which are preserved from a given time interval varies along the coast depending on the morphodynamic setting: sheltered coasts are characterized by numerous small ridges, whereas fewer but larger ridges develop on exposed beaches. The frequency of ridge building ranges from decades in the low-energy settings up to 1600 years under high-energy conditions. Beach ridges in the study area cluster at 9.5, 7.5, 5.5, and below 3.5 m above the present-day storm beach. Based on radiocarbon data, this is interpreted to reflect distinct periods of increased storminess and/or shortened annual sea-ice coverage in the area of the South Shetland Islands for the times around 4.3, c. 3.1, 1.9 ka cal BP, and after 0.65 ka cal BP. Ages further indicate that even ridges at higher elevations can be subject to later reactivation and reworking. A careful investigation of the stratigraphic architecture is therefore essential prior to sampling for dating purposes.
    Keywords: Maxwell Bay, King George Island, Antarctic Peninsula; PB-026; PB-027; PB-028; PB-029; PB-030; PB-031; PB-032; PB-033; PB-034; PB-035; PB-036; PB-037; PB-038; PB-039; PB-040; PB-041; PB-042; PB-043; PB-044; PB-045; PB-046; PB-047; PB-048; PB-049; PB-050; PB-051; PB-052; PB-054; PB-055; PB-056; PB-057; PB-058; PB-059; PB-060; PB-061; PB-062; PB-063; PB-064; PB-065; PB-066; PB-067; PB-068; PB-069; PB-070; PB-071; PB-072; PB-073; PB-074; PB-075; PB-076; PB-077; PB-078; PB-102; PB-103; PB-104; PB-105; PB-106; PB-107; PB-108; PB-109; PB-110; PB-111; PB-112; PB-113; PB-114; PB-115; PB-116; PB-117; PB-118; PB-119; PB-120; PB-121; PB-122; PB-123; PB-124; PB-125; PB-126; PB-127; PB-128; PB-129; PB-130; PB-131; PB-132; PB-133; PB-134; PB-135; PB-136; PB-137; PB-138; PB-139; PB-140; PB-141; PB-142; PB-144; PB-145; PB-146; PB-147; PB-148; PB-149; PB-150; PB-151; PB-170; PB-171; PB-174; PB-175; PB-176; PB-177; PB-178; PB-179; PB-180; PB-181; PB-182; PB-183; PB-184; PB-185; Potter Cove, King George Island, Antarctic Peninsula; Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas; RADAR; Radar profile; SPP1158
    Type: Dataset
    Format: application/zip, 3 datasets
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    DATA PANGAEA
  • 9
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    14 ground-penetrating radar lines of Area 5 - Periglacial outwash plain from Potter Cove, King George Island, Antarctic Peninsula (2014)
    PANGAEA
    Details
    Publication Date: 2024-04-16
    Description: During a field campaign in the Austral spring 2012 the sedimentary architecture of a periglacial flood plain at the northeastern coast of Potter Peninsula (Area 5) was revealed using ground-penetrating radar (GPR, Geophysical Survey Systems, Inc. SIR-3000). 14 profiles were collected using a mono-static 200 MHz antenna operated in common offset mode. Trace increment was set to 0.05 m. A differential global-positioning system (dGPS, Leica GS09) was used to obtain topographical information along the GPR lines. GPR data are provided in RADAN-Format, dGPS coordinates are provided in ascii format; projection is UTM (WGS 84, zone 21S).
    Keywords: Date/Time of event; Date/Time of event 2; Event label; File name; Frequency; Latitude of event; Latitude of event 2; Longitude of event; Longitude of event 2; PB-170; PB-171; PB-174; PB-175; PB-176; PB-177; PB-178; PB-179; PB-180; PB-181; PB-182; PB-183; PB-184; PB-185; Potter Cove, King George Island, Antarctic Peninsula; RADAR; Radar profile; Uniform resource locator/link to file
    Type: Dataset
    Format: text/tab-separated-values, 70 data points
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    DATA PANGAEA
  • 10
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    21 ground-penetrating radar lines of Area 1 - Beach ridge plain (low wave energy) from Potter Cove, King George Island, Antarctic Peninsula (2014)
    PANGAEA
    Details
    Publication Date: 2024-04-16
    Description: During two field campaigns (Austral springs 2011 and 2012) the sedimentary architecture of a polar gravel-beach system at the western coast of Potter Peninsula (Area 1) was revealed using ground-penetrating radar (GPR, Geophysical Survey Systems, Inc. SIR-3000). 21 profiles were collected using a mono-static 200 MHz antenna operated in common offset mode. Trace increment was set to 0.05 m. A differential global-positioning system (dGPS, Leica GS09) was used to obtain topographical information along the GPR lines. GPR data are provided in RADAN-Format, dGPS coordinates are provided in ascii format; projection is UTM (WGS 84, zone 21S).
    Keywords: Date/Time of event; Date/Time of event 2; Event label; File name; Frequency; Latitude of event; Latitude of event 2; Longitude of event; Longitude of event 2; PB-026; PB-027; PB-028; PB-029; PB-030; PB-031; PB-032; PB-033; PB-034; PB-035; PB-036; PB-037; PB-038; PB-039; PB-040; PB-041; PB-147; PB-148; PB-149; PB-150; PB-151; Potter Cove, King George Island, Antarctic Peninsula; RADAR; Radar profile; Uniform resource locator/link to file
    Type: Dataset
    Format: text/tab-separated-values, 105 data points
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    DATA PANGAEA
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