3 Works

New constraints on the Ivrea Geophysical Body at intra-crustal scales: a combination of gravimetry with passive seismology and rock’s physical properties

Matteo Scarponi , György Hetényi & IvreaArray Team
We present a high-resolution investigation of the Ivrea Geophysical Body (IGB) at intra-crustal scales in the Western Alps. The IGB is a sliver of Adriatic lower lithosphere, located at anomalously shallow depths, and presenting positive gravity and fast seismic anomalies. Despite comprehensive information from previous studies, structural questions persist on the IGB and on its structural relation with the Ivrea-Verbano zone (IVZ), which exposes lower-to-middle crustal composition outcrops at the surface. Therefore, we measured 207...

Recent headwall deglaciation and retreat from cosmogenic 10Be in medial moraine debris of a Swiss valley glacier

Katharina Wetterauer, Dirk Scherler , Leif S. Anderson & Hella Wittmann
Debris-covered glaciers are fed from steep bedrock hillslopes that tower above the ice, so-called headwalls. Recent observations in high-alpine glacial environments suggest that rock walls are increasingly destabilized due to climate warming. An increase in debris delivery to glacier surfaces will modify glacial mass balances, as surface debris cover impacts on the melt behavior of the ice underneath. Consequently, we expect that the response of debris-covered glaciers to climate change is likely linked to how...

The compilation of the new Alpine gravity maps - from the work of the AlpArray Gravity Research Group

Pavol Zahorec , Juraj Papco , Roman Pasteka , Miroslav Bielik , Sylvain Bonvalot , Carla Braitenberg, Jörg Ebbing , Gerald Gabriel , Andrej Gosar , Adam Grand , Hans-Jürgen Götze & György Hetényi
The international networking initiative AlpArray Gravity Research Group (AAGRG) focused on the compiling homogeneous surface-based gravity datasets across the Alps and adjacent areas, on creating digital data sets for Bouguer and Free Air anomalies. In 2016/17 all ten countries around the Alps have agreed to contribute with point or gridded gravity data and data processing techniques to a recompilation of the Alpine gravity field in an area which is limited by 2° to 23° East...

Registration Year

  • 2022
    3

Resource Types

  • Text
    3

Affiliations

  • University of Lausanne
    3
  • University of Trieste
    1
  • Paul Sabatier University
    1
  • Leibniz University Hannover
    1
  • Slovak Academy of Sciences
    1
  • Freie Universität Berlin
    1
  • Kiel University
    1
  • Helmholtz Centre Potsdam - GFZ German Research Centre for Geosciences
    1
  • Slovak University of Technology in Bratislava
    1
  • Comenius University
    1