Soft Earth Geophysics

Presentations

• Viewing lobate patterns on Earth and Mars as climate-modulated fluid-like instabilities

  ORAL · Invited

  March 17, 2025, 3:00 PM – March 17, 2025, 3:36 PM

  Publication: Glade, R.C., **Fratkin, M., Pouragha, M., Seiphoori, A., and Rowland, J. Arctic soil patterns analogous to fluid instabilities (2021) PNAS. 118 (21) DOI: 10.1073/pnas.2101255118.
  
  **JohnPaul Sleiman, Susan Conway, Andreas Johnsson, James Wray, Rachel C. Glade. Viewing lobate patterns on Mars and Earth as climate-modulated fluid-like instabilities. In review. Preprint: https://eartharxiv.org/repository/view/8071/
  
  Rachel Glade, JohnPaul Sleiman, Hesam Askari. Exploring Possible Mechanisms for the Initiation of1
  Solifluction Patterns. In prep.

  Presenters

  • Rachel Glade

    • University of Rochester

  Authors

  • JohnPaul Sleiman

    • University of Rochester

  • Rachel Glade

    • University of Rochester

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• Characterization of particle shape using distributed curvature analyses.

  ORAL

  March 17, 2025, 3:36 PM – March 17, 2025, 3:48 PM

  Publication: Langdon Feltner, Donovan Stumpf, Paul R. Mort "On the use of the Fourier transform to determine contact curvature distributions in additive manufacturing powders.", Powder Technology, 2024, In review.

  Presenters

  • Langdon A Feltner

    • Purdue University

  Authors

  • Langdon A Feltner

    • Purdue University

  • Paul Mort

    • Purdue Univ

  • Donovan Stumpf

    • Purdue Univ.

  • Douglas R Schmitt

    • Purdue Univ.

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• How do directionally varied flows influence the development of stress history in granular beds?

  ORAL

  March 17, 2025, 3:48 PM – March 17, 2025, 4:00 PM

  Presenters

  • Sophie Bodek

    • Stanford University

  Authors

  • Sophie Bodek

    • Stanford University

  • Nicholas T Ouellette

    • Stanford University

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• Entrainment by biogenic bubbles enables long-range microbial dispersal in yield-stress environment

  ORAL

  March 17, 2025, 4:00 PM – March 17, 2025, 4:12 PM

  Presenters

  • Babak Vajdi Hokmabad

    • Princeton University

  Authors

  • Babak Vajdi Hokmabad

    • Princeton University

  • Tom Appleford

    • University of Amsterdam

  • Hao Nghi Luu

    • Massachusetts Institute of Technology

  • Meera Ramaswamy

    • Princeton University

  • Maziyar Jalaal

    • University of Amsterdam

  • Sujit S Datta

    • Princeton University
    • Caltech
    • California Institute of Technology

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• Lab-crafted glaciers: exploring ice sheet instabilities using experimental ice analogs

  ORAL

  March 17, 2025, 4:12 PM – March 17, 2025, 4:24 PM

  Presenters

  • Alex C Vargas

    • Emory University

  Authors

  • Alex C Vargas

    • Emory University

  • Alex C Vargas

    • Emory University

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• Hot soft rock on the move: how lava redefines Earth's surface

  ORAL · Invited

  March 17, 2025, 4:24 PM – March 17, 2025, 5:00 PM

  Presenters

  • Arianna Soldati

    • North Carolina State University

  Authors

  • Arianna Soldati

    • North Carolina State University

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• Unraveling the dynamics of coupled fluxes at the mineral-water interface by investigating space-time dependent response through molecular dynamics simulation

  ORAL

  March 17, 2025, 5:00 PM – March 17, 2025, 5:12 PM

  Presenters

  • Minh-The Hoang Ngoc

    • Princeton University

  Authors

  • Minh-The Hoang Ngoc

    • Princeton University

  • Ian C Bourg

    • Princeton University

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• The emergence of rigidity in desiccated granular materials.

  ORAL

  March 17, 2025, 5:12 PM – March 17, 2025, 5:24 PM

  Presenters

  • Leon Palacio Rangel

    • Emory University

  Authors

  • Leon Palacio Rangel

    • Emory University

  • Jennifer M Rieser

    • Emory University

  • Alex C Vargas

    • Emory University

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• Understanding the dependence of shear response of desert sands on the size and shape of constituent particles

  ORAL

  March 17, 2025, 5:24 PM – March 17, 2025, 5:36 PM

  Presenters

  • Deepshikha -

    • University of Michigan

  Authors

  • Deepshikha -

    • University of Michigan

  • Amir Nazemi

    • University of Michigan

  • Talia Moore

    • University of Michigan

  • Hongyi Xiao

    • University of Michigan

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• Development of a Granular Tribo-rheometer for 4D Spatiotemporal characterization of Soft Earth suspensions under shear.

  ORAL

  March 17, 2025, 5:36 PM – March 17, 2025, 5:48 PM

  Presenters

  • Eric Sigg

    • University of Pennsylvania

  Authors

  • Eric Sigg

    • University of Pennsylvania

  • Douglas J Jerolmack

    • University of Pennsylvania

  • Shravan Pradeep

    • University of Pennsylvania

  • Paulo E. Arratia

    • University of Pennsylvania

  View abstract →