NH006
Debris Flows and Floods in Mountainous Terrain I

Monday, 7 December 2020: 20:30-21:30
Virtual
Primary Convener:  Hui Tang, Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Section 4.7 Earth Surface Process Modelling, Potsdam, Germany
Conveners:  Matthew A. Thomas, USGS, Geologic Hazards Science Center, Golden, CO, United States, Brian A Ebel, USGS, Water Mission Area, Denver, CO, United States and Yan Yan, Southwest Jiaotong University, School of Civil Engineering, Chengdu, China
Primary Liaison:  Matthew A. Thomas, USGS, Geologic Hazards Science Center, Golden, CO, United States
Chairs:  Hui Tang, Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Section 4.7 Earth Surface Process Modelling, Potsdam, Germany and Matthew A. Thomas, USGS, Geologic Hazards Science Center, Golden, CO, United States
OSPA Liaison:  Matthew A. Thomas, USGS, Geologic Hazards Science Center, Golden, CO, United States
20:30
Exploring the potential of satellite data to characterize debris flow and landslide hazards within mountainous terrain (Invited) (695963)
Dalia Kirschbaum, NASA Goddard Space Flight Center, Hydrological Sciences Laboratory, Greenbelt, MD, United States, Robert Emberson, Universities Space Research Association, Greenbelt, MD, United States, Pukar Man Amatya, Universities Space Research Association, Columbia, MD, United States, Thomas Stanley, Universities Space Research Association, GESTAR, Greenbelt, MD, United States, Sana Khan, Earth System Science Interdisciplinary Center, College Park, MD, United States and Hakan Tanyas, Universities Space Research Association Greenbelt, Greenbelt, United States
20:42
Differential rock fragmentation in the Ohya-Kuzure Debris-flows (Japan): Inferences from UAV-based remote-sensing and uniaxial compression strength. (722131)
Christopher A Gomez, Kobe University, Kobe, Japan, Fumitoshi Imaizumi, Shizuoka University, Shizuoka, Japan, Norifumi Hotta, The University of Tokyo, Tokyo, Japan, Haruka Tsunetaka, University of Tsukuba, Life and Environmental Sciences, Tsukuba, Japan and Yuichi S. Hayakawa, Hokkaido University, Faculty of Environmental Earth Science, Sapporo, Japan
20:48
Reconstructing the process-chain of the 2016 Glacial Lake outburst flood (GLOF), Poiqu basin, Eastern Himalaya (765920)
Ashim Sattar1, Umesh K Haritashya1 and Jeffrey S Kargel2, (1)University of Dayton, Dayton, OH, United States, (2)Planetary Science Institute, Tucson, AZ, United States
20:54
Impact of Debris-flow sediments on the Longitudinal Profile along Min River in the Wenchuan Earthquake Region (667914)
Xudong Hu, China Three Gorges University, Yichang, China and Kaiheng Hu, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu, Sichuan Pro, China
21:00
Using D-Claw to model landslides, debris flows, water bodies, and their interactions. (Invited) (715607)
David L George, USGS Cascades Volcano Observatory, Vancouver, WA, United States, Richard M Iverson, USGS, Vancouver, WA, United States, Colton James Conroy, Lamont-Doherty Earth Observatory, Palisades, NY, United States, Charles Matthew Cannon, USGS Oregon Water Science Center, Portland, OR, United States and Mary Benage, USGS, Vancouver, United States
21:12
Post-fire Runoff Response in Northern California: Testing current models used to predict post-fire runoff magnitude and debris flow triggering thresholds. (741334)
Donald Lindsay1, David Cavagnaro2, Nathan Delgado2, Scott W McCoy3 and Jason W Kean4, (1)California Geological Survey, Redding, CA, United States, (2)University of Nevada Reno, Department of Geological Sciences and Engineering, Reno, NV, United States, (3)University of Nevada Reno, Reno, NV, United States, (4)USGS, Geologic Hazards Science Center, Golden, CO, United States
21:18
Debris-flow timing and occurrence 1 to 3 years after wildfire provides insights into how peak and triggering rainfall intensity-duration thresholds differ and change with time since fire (770137)
Ann M Youberg, Arizona Geological Survey, Tucson, AZ, United States, Luke McGuire, University of Arizona, Department of Geosciences, Tucson, AZ, United States, Carissa A Raymond, US Forest Service Coronado National Forest, Tucson, AZ, United States, Olivia Hoch, University of Arizona, Department of Geoscienes, Tucson, AZ, United States and Alexander Gorr, University of Arizona, Tucson, AZ, United States
21:24
Understanding the onset of mudflows and rainwater droplet impact dynamics on hydrophobic tilted surfaces (735733)
Mahta Movasat and Ingrid Tomac, University of California San Diego, La Jolla, CA, United States
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