EP43C:
Complex Geophysical Flows and Morphological Complexity Across Scales II Posters

Thursday, 18 December 2014: 1:40 PM-6:00 PM
Chairs:  William Anderson, University of Texas at Dallas, Mechanical Engineering, Dallas, TX, United States and Margaret L Palmsten, Naval Research Lab Stennis Space Center, Stennis Space Center, MS, United States
Primary Conveners:  Gianluca Blois, University of Illinois at Urbana Champaign, Urbana, IL, United States
Co-conveners:  William Anderson, University of Texas at Dallas, Mechanical Engineering, Dallas, TX, United States, Joseph Calantoni, Naval Research Laboratory, Stennis Space Center, MS, United States and Kimberly M Hill, University of Minnesota, Minneapolis, MN, United States
OSPA Liaisons:  Gianluca Blois, University of Illinois at Urbana Champaign, Urbana, IL, United States

Abstracts Submitted to this Session:

 
The Effects of Bed Configuration on Incipient Motion in Oscillatory Flows
Donya P Frank1, Diane L Foster2, Julian Simeonov3, In Mei Sou3 and Joseph Calantoni3, (1)Naval Research Lab Stennis Space Center, Stennis Space Center, MS, United States, (2)University of New Hampshire, Durham, NH, United States, (3)Naval Research Laboratory, Stennis Space Center, MS, United States
 
Seabed Spectra Predictions Using a Time-Dependent Seafloor Boundary Layer Model
Allison Penko1, Kyle O'donnell Olejniczak2, Joseph Calantoni1, Margaret L Palmsten3, Alexandru Sheremet4, James Michael Kaihatu5 and Robert Weiss6, (1)Naval Research Laboratory, Stennis Space Center, MS, United States, (2)California State University Monterey Bay, Seaside, CA, United States, (3)Naval Research Lab Stennis Space Center, Stennis Space Center, MS, United States, (4)University of Florida, Engineering School for Sustainable Infrastructure and Environment, Gainesville, FL, United States, (5)Texas A&M University, College Station, TX, United States, (6)Virginia Tech, Blacksburg, VA, United States
 
Laboratory Observations of Sand Ripple Evolution in a Small Oscillatory Flow Tunnel
Joseph Calantoni1, Margaret L Palmsten1, Jaclyn Chu1, Blake J Landry2 and Allison Penko1, (1)Naval Research Laboratory, Stennis Space Center, MS, United States, (2)University of Illinois at Urbana Champaign, Department of Civil and Environmental Engineering, Urbana, IL, United States
 
Bedform Morphodynamics in a Meandering Stream
Margaret L Palmsten1, Jessica L Kozarek2, Ali Khosronejad2 and Joseph Calantoni3, (1)Naval Research Lab Stennis Space Center, Stennis Space Center, MS, United States, (2)University of Minnesota, Minneapolis, MN, United States, (3)Naval Research Laboratory, Stennis Space Center, MS, United States
 
Discrete Element Method Simulations of Ice Floe Dynamics
Samuel P Bateman1, Fengyan Shi2, Mark Orzech3, Jayaram Veeramony3 and Joseph Calantoni1, (1)Naval Research Laboratory, Stennis Space Center, MS, United States, (2)University of Delaware, Center for Applied Coastal Research, Newark, DE, United States, (3)Naval Research Lab, Stennis Space Center, MS, United States
 
Experimental and numerical study of turbulent flow associated with interacting barchan dunes
Julio Manuel Barros Jr, US Naval Academy, Mechanical Engineering, Annapolis, MD, United States, Gianluca Blois, University of Illinois at Urbana Champaign, Urbana, IL, United States, William Anderson, University of Texas at Dallas, Mechanical Engineering, Dallas, TX, United States, Zhanqi Tang, University of Illinois at Urbana Champaign, Champaign, IL, United States, Jim Best, University of Illinois at Urbana Champaign, Geography, Mechanical Science and Engineering and Ven Te Chow Hydrosystems Laboratory, Urbana, IL, United States and Kenneth T Christensen, University of Notre Dame, Notre Dame, IN, United States
 
Sector-Scanning Sonar Imagery of Laboratory Bedforms
Kyle O'donnell Olejniczak1, Joseph Calantoni2, Allison Penko2, Margaret L Palmsten2, Alexandru Sheremet3, James Michael Kaihatu4 and Robert Weiss5, (1)California State University Monterey Bay, Seaside, CA, United States, (2)Naval Research Laboratory, Stennis Space Center, MS, United States, (3)University of Florida, Engineering School for Sustainable Infrastructure and Environment, Gainesville, FL, United States, (4)Texas A&M University, College Station, TX, United States, (5)Virginia Tech, Blacksburg, VA, United States
 
Hyporheic exchange induced by channel-spanning obstacles in a coarse, highly-permeable laboratory streambed
Derek Lichtner1, Jim Best2, Gianluca Blois1, Taehoon Kim1 and Kenneth T Christensen3, (1)University of Illinois at Urbana Champaign, Urbana, IL, United States, (2)University of Illinois at Urbana Champaign, Geography, Mechanical Science and Engineering and Ven Te Chow Hydrosystems Laboratory, Urbana, IL, United States, (3)University of Notre Dame, Notre Dame, IN, United States
 
Structural perturbations in immersed granular beds due to shear-flow-driven erosion in a laboratory flume
Julia C Salevan1, Mark D Shattuck2, Corey Ohern1 and Nicholas T Ouellette1, (1)Yale University, Mechanical Engineering and Materials Science, New Haven, CT, United States, (2)CUNY City College, New York, NY, United States
 
Dynamic Similarity and Instability in Porous Flows
Ariane Papke, Freie Universität Berlin, Dept. of Mathematics and Computer Science, Berlin, Germany and Ilenia Battiato, San Diego State University, Mechanical Engineering Dept., San Diego, CA, United States
 
Vertical Subsurface Flow Mixing and Horizontal Anisotropy in Coarse Fluvial Aquifers: Structural Aspects
Peter Huggenberger and Emanuel Huber, University of Basel, Basel, Switzerland
 
Vertical Subsurface Flow Mixing and Horizontal Anisotropy in Coarse Fluvial Aquifers: Flow Field
Emanuel Huber and Peter Huggenberger, University of Basel, Basel, Switzerland
 
Single-parameter Model of Vegetated Aquatic Flows
Ilenia Battiato, San Diego State University, Mechanical Engineering Dept., San Diego, CA, United States and Simonetta Rubol, University of Trento, Department of Civil, Environmental and Mechanical Engineering, Trento, Italy
 
Quantifying Flow Resistance of Mountain Streams Using the HHT Approach
Liguo Zhang and Xudong Fu, Tsinghua University, Beijing, China
 
Different bed surface and flow resistance characteristics for gravel and sand bed
Niannian Fan, Kejun Yang, Ruihua Nie and Xingnian Liu, Sichuan University, State Key Laboratory of Hydraulics and Mountain River Engineering, Chengdu, China
 
Flood-Derived Sand Lobes on the Shelf of the Northern Santa Barbara Channel, Southern California
Elisabeth Steel1, Alexander Simms1, Jonathan A Warrick2 and Yusuke Yokoyama3, (1)University of California Santa Barbara, Santa Barbara, CA, United States, (2)USGS, Santa Cruz, CA, United States, (3)University of Tokyo, Bunkyo-ku, Japan
 
Modeling Channelization in Coastal Wetlands with Ecological Feedbacks
Amala Mahadevan1, Zoe J Hughes2, Steven Pennings3 and Duncan FitzGerald2, (1)Woods Hole Oceanographic Institution, Woods Hole, MA, United States, (2)Boston University, Boston, MA, United States, (3)University of Houston, Department of Biology and Biochemistry, Houston, TX, United States
 

Slow Granular Dynamics in River Beds: Toward a Continuous Definition of Bed Load Transport.

Morgane Houssais1, Carlos Pompeyo Ortiz1, Douglas J. Durian1 and Douglas J Jerolmack2, (1)University of Pennsylvania, Philadelphia, PA, United States, (2)Univ of PA-Earth &Envir Scienc, Philadelphia, PA, United States
 
Two-Phase Flow Modelling Perspectives Based on Novel High-Resolution Acoustic Measurements of Uniform Steady Sheet-Flow
Julien Chauchat, Thibaud Revil-Baudard and David Hurther, University of Grenoble-Alpes, LEGI, Grenoble, France
 
Statistical Inversion of Acoustic Backscatter Profile Data with Sediment-Induced Attenuation
Greg Wilson and Alex E Hay, Dalhousie University, Halifax, NS, Canada
 
Experimental Support of Statistical Mechanics Theory of Bed Load Sediment Motions Using High-Speed Imagery
Siobhan L Fathel, Vanderbilt University, Nashville, TN, United States, David Jon Furbish, Vanderbilt Univ, Nashville, TN, United States and Mark Walter Schmeeckle, Arizona State University, Tempe, AZ, United States
 
Bedload transport flux fluctuations over a wide range of time scales
Hongbo Ma1, Xudong Fu1 and Christophe Ancey2, (1)Tsinghua University, Beijing, China, (2)EPFL Swiss Federal Institute of Technology Lausanne, Lausanne, Switzerland
 
Characterization of the intermittent behavior of sediment transport from numerical simulations on a flat bed channel
Christian González1, Cristian R Escauriaza1, David H Richter2, Joseph Calantoni3 and Diogo Bolster2, (1)Pontifical Catholic University of Chile, Santiago, Chile, (2)University of Notre Dame, Notre Dame, IN, United States, (3)Naval Research Laboratory, Stennis Space Center, MS, United States
 
Using Computational Fluid Dynamics to investigate the generation of soluble bedrock forms
Joseph M Myre and Matthew D Covington, University of Arkansas, Fayetteville, AR, United States
 
Preliminary Investigation of Momentary Bed Failure Using a Multi-dimensional Eulerian Two-phase Model
Zhen Cheng1, Tian-Jian Hsu1 and Joseph Calantoni2, (1)University of Delaware, Newark, DE, United States, (2)Naval Research Laboratory, Stennis Space Center, MS, United States
 
Meandering River Dynamics: Spatial and Temporal Wave Growth and Non-Periodic Wave Patterns
Samantha Weiss and Jonathan Higdon, University of Illinois at Urbana Champaign, Urbana, IL, United States