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  • 551  (3)
  • GeoUnion Alfred-Wegener-Stifung, Berlin  (2)
  • Geozon Science Media  (1)
  • English  (3)
  • Norwegian
  • 2015-2019  (3)
  • 1
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    Potrok Aike Maar Lake Sediment Archive Drilling Project (2017)
    GeoUnion Alfred-Wegener-Stifung, Berlin
    In:  Herausgeberexemplar
    Details
    Publication Date: 2021-08-30
    Description: This 4th International PASADO Workshop is related to the research initiative “Potrok Aike Lake Sediment Archive Drilling Project” (PASADO) within the framework of the “International Continental Scientific Drilling Programme” (ICDP). PASADO addresses challenging issues of geoscientific and socioeconomic relevance related to Earth history and climate like qualitative and quantitative climatic and environmental reconstruction as well as reconstruction of the palaeosecular variation of the Earth's magnetic field but also natural hazards like fire history, frequency of volcanic activity including tephra fallout and dust deposition. The history of volcanic activities for the last ca. 50,000 years is another interesting topic. Moreover, dust and tephra records provide links of this unique southern hemispheric terrestrial record to marine sediment archives and to ice cores from Antarctica. Finally, obtained reconstructions of climate variability will be compared statistically with the output of Global Circulation Model (GCM) simulations to improve our understanding of forcing mechanisms of the global climate.
    Description: conference
    Keywords: 551 ; Geologische Bohrungen in einzelnen Regionen ; Argentinien {Geologie} ; Sedimente bestimmter Regionen ; Paläolimnologie {Geologie} ; Argentina ; sediments ; palaeoclimate ; palaeoenvironment ; tephra ; volcanism ; FID-GEO-DE-7
    Language: English
    Type: anthology , publishedVersion
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  • 2
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    Potrok Aike Maar Lake Sediment Archive Drilling Project (2017)
    GeoUnion Alfred-Wegener-Stifung, Berlin
    In:  Herausgeberexemplar
    Details
    Publication Date: 2021-08-30
    Description: This 2nd International PASADO Workshop is based on the research initiative “Potrok Aike Lake Sediment Archive Drilling Project” (PASADO) within the framework of the “International Continental Scientific Drilling Programme” (ICDP). PASADO addresses several challenging issues of geoscientific and socioeconomic relevance related to Earth history and climate like qualitative and quantitative climatic and environmental reconstruction as well as reconstruction of the palaeosecular variation of the Earth's magnetic field and natural hazards like fire history, frequency of volcanic activity including tephra fallout or dust deposition. The history of volcanic activities for the last ca. 50,000 years is another interesting topic. Moreover, dust and tephra records will provide means to link this unique southern hemispheric terrestrial record to marine sediment archives and to ice cores from Antarctica. Finally, obtained reconstructions of climate variability will be compared statistically with the output of Global Circulation Model (GCM) simulations to improve our understanding of forcing mechanisms of the global climate.
    Description: conference
    Keywords: 551 ; Geologische Bohrungen in einzelnen Regionen ; Argentinien {Geologie} ; Sedimente bestimmter Regionen ; sediments ; Argentina ; palaeoenvironment ; palaeoclimate ; tephra ; volcanism ; FID-GEO-DE-7
    Language: English
    Type: anthology , publishedVersion
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    CITATION GEO-LEO
  • 3
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    Subaqueous conglomerates above pre-LGM basal till: Another element of the ‘classic’ interglacial mountain-flank succession (Hötting Breccia Auct.) north of Innsbruck, Austria (2016)
    Geozon Science Media
    Details
    Publication Date: 2021-03-29
    Description: The “Hötting Breccia” near Innsbruck is a classic interglacial mountain-flank succession mainly comprising lithified alluvial fans and scree slopes. Directly NW of Innsbruck, a pre-LGM (Riss?) basal till 〉20 m in thickness overlies a plucked rock surface that records eastward ice flow. The till is dominated by clasts of carbonate rocks from the Northern Calcareous Alps; index clasts of the LGM ice stream are absent. The basal till is overlain by a package of conglomerate nearly 1 km in preserved lateral extent that dip at 20–30° South and show the same clast spectrum as the underlying till. The conglomerate – hitherto assigned to the Hötting Breccia – accumulated from fan deltas and/or scree slopes shed into a standing water body; it is overlain by younger, unlithified LGM to Holocene deposits. We suggest the following scenario: During decay of the ice stream that formed the basal till, the conglomerate package was deposited by paraglacial reworking of till into a lake or ice-marginal lake. The alluvial fans of the Hötting Breccia accumulated independently from the conglomerate package, and from a distinct alluvial-fan system. The age relation of the till/conglomerate package to the main part of the Hötting Breccia is unclear. Our results demonstrate that the rocks hitherto summarized as Hötting Breccia represent a compound of lithosomes of different origins and ages.
    Description: research
    Keywords: 551 ; quaternary ; interglacial ; alps ; till ; conglomerate ; Hötting Breccia ; index clasts
    Language: English
    Type: article , Verlagsversion
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    CITATION GEO-LEO
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