Topology-Based Analysis for Multimodal Atmospheric Data of Volcano Eruptions

  • Alexander Kuhn
  • Wito Engelke
  • Markus Flatken
  • Hans-Christian Hege
  • Ingrid Hotz
Conference paper
Part of the Mathematics and Visualization book series (MATHVISUAL)

Abstract

Many scientific applications deal with data from a multitude of different sources, e.g., measurements, imaging and simulations. Each source provides an additional perspective on the phenomenon of interest, but also comes with specific limitations, e.g. regarding accuracy, spatial and temporal availability. Effectively combining and analyzing such multimodal and partially incomplete data of limited accuracy in an integrated way is challenging. In this work, we outline an approach for an integrated analysis and visualization of the atmospheric impact of volcano eruptions. The data sets comprise observation and imaging data from satellites as well as results from numerical particle simulations. To analyze the clouds from the volcano eruption in the spatiotemporal domain we apply topological methods. We show that topology-related extremal structures of the data support clustering and comparison. We further discuss the robustness of those methods with respect to different properties of the data and different parameter setups. Finally we outline open challenges for the effective integrated visualization using topological methods.

Notes

Acknowledgements

We would like to thank Patrick Jöckel from Inst. of Atmospheric Physics—DLR for his support and explanations of the data. This work was funded by the German Federal Ministry of Education and Research under grant number 01LK1213A and by the European Union Framework Programme FP7 under grant agreement number 607177.

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  • Alexander Kuhn
    • 1
  • Wito Engelke
    • 2
  • Markus Flatken
    • 2
  • Hans-Christian Hege
    • 1
  • Ingrid Hotz
    • 3
  1. 1.Zuse-Institute Berlin (ZIB)BerlinGermany
  2. 2.Deutsches Zentrum für Luft- und Raumfahrt (DLR)BraunschweigGermany
  3. 3.Media and Information TechnologyLinköping UniversityLinköpingSweden

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