EP010
Granular and Fluid Physics in Geomorphology I

Tuesday, 8 December 2020: 04:00-05:00
Virtual
Primary Convener:  Andrew Gunn, University of Pennsylvania, Department of Earth & Environmental Science, Philadelphia, PA, United States
Conveners:  Nakul Deshpande, University of Pennsylvania, Earth and Environmental Science, Philadelphia, PA, United States and Amelia Winner, University of Oregon, Eugene, OR, United States
Primary Liaison:  Andrew Gunn, University of Pennsylvania, Department of Earth & Environmental Science, Philadelphia, PA, United States
Chairs:  Andrew Gunn, University of Pennsylvania, Department of Earth & Environmental Science, Philadelphia, PA, United States, Nakul Deshpande, University of Pennsylvania, Earth and Environmental Science, Philadelphia, PA, United States and Amelia Winner, University of Oregon, Eugene, OR, United States
OSPA Liaison:  Andrew Gunn, University of Pennsylvania, Department of Earth & Environmental Science, Philadelphia, PA, United States
04:00
Soil drips and droplets: Solifluction patterns analogous to classic fluid instabilities (Invited) (673285)
Rachel Glade1, Mulu Mulugetta Fratkin1, Mehdi Pouragha2, Ali Seiphoori3 and Joel C Rowland1, (1)Los Alamos National Laboratory, Los Alamos, NM, United States, (2)Carleton University, Department of Civil and Environmental Engineering, Ottawa, Canada, (3)Massachusetts Institute of Technology, Department of Earth, Atmospheric & Planetary Sciences, Cambridge, MA, United States
04:04
The emergence of proto-bedforms in a bimodal wind regime (Invited) (665716)
Pauline Delorme1, Giles Wiggs2, Matthew C Baddock3, Philippe Claudin4, Joanna M Nield1 and Andrew Valdez5, (1)University of Southampton, Southampton, SO14, United Kingdom, (2)University of Oxford, Oxford, United Kingdom, (3)Loughborough University, Geography, Loughborough, United Kingdom, (4)Laboratoire de Physique, ENS - PSL Research University, Université de Paris, CNRS, Sorbonne Université, Paris, France, Paris Cedex 05, France, (5)Great Sand Dunes National Park and Preserve, Resource Management Division, Mosca, CO, United States
04:08
Explaining the History of Threshold on Sediment Transport by the Presence of Strain-hardening in Granular Beds (686175)
Fernando Cúñez1, Erick Franklin1, Morgane Houssais2, Paulo E. Arratia3 and Douglas J Jerolmack4, (1)UNICAMP State University of Campinas, School of Mechanical Engineering, Campinas, Brazil, (2)CUNY City College of New York, New York, NY, United States, (3)University of Pennsylvania, Department of Mechanical Engineering & Applied Mechanics, Philadelphia, PA, United States, (4)University of Pennsylvania, Department of Earth & Environmental Science, Philadelphia, PA, United States
04:12
Sediment Flux of Deformable Glacier Beds (736509)
Dougal Hansen, University of Wisconsin Madison, Madison, WI, United States and Lucas Zoet, University of Wisconsin Madison, Geoscience, Madison, WI, United States
04:16
Stability of Aggregates Under Two-Dimensional Time-Periodic Flow (748822)
Cacey Stevens Bester1, K. Lawrence Galloway2, Dylan Bentley Lee3, Paulo E. Arratia2 and Douglas J Jerolmack3, (1)Swarthmore College, Swarthmore, PA, United States, (2)University of Pennsylvania, Department of Mechanical Engineering & Applied Mechanics, Philadelphia, PA, United States, (3)University of Pennsylvania, Department of Earth & Environmental Science, Philadelphia, PA, United States
04:20
Nonlocal rheology of dense granular flows (734069)
Karen Daniels1, Ted Brzinski III2, Farnaz Fazelpour1, Michael Shearer1 and Zhu Tang1, (1)North Carolina State University Raleigh, Raleigh, NC, United States, (2)Haverford College, Haverford, PA, United States
04:24
Granular decoherence precedes failure of ice mélange (669649)
Justin C Burton1, Ryan Cassotto2, Joshua Mendez Harper1, Jason M Amundson3, Mark A Fahnestock4, Martin Truffer4 and Marc Guasch1, (1)Emory University, Physics, Atlanta, GA, United States, (2)Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States, (3)University of Alaska Southeast, Juneau, AK, United States, (4)University of Alaska Fairbanks, Geophysical Institute, Fairbanks, AK, United States
04:28
How Are Diamond-Shaped Asteroids Sculpted (681658)
Tapan Sabuwala1, Pinaki Chakraborty1 and Troy Shinbrot2, (1)Okinawa Institute of Science and Technology, Onna-son, Japan, (2)Rutgers University, Piscataway, United States
04:32
Discussion