OS13C:
Turbidity Current Processes: Observation, Modeling, and Geological Records II Posters

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Session ID#: 12983

Session Description:
Turbidity currents are sediment-laden, gravity-driven underflows that usually rapidly move down a slope or through a submarine canyon. Turbidity currents are considered the volumetrically most important sediment transport process, and they form the largest sediment accumulations on Earth. However, because the turbidity currents are extremely rapid and mostly unpredictable deepwater events, observing and understanding their occurrence processes are challenging. Consequently, our understanding of turbidity processes is still limited, and the suspended concentration has never been measured directly in the deep ocean. Numerical modeling is also needed in order to understand field observations and the geological past. This session calls for new approaches on the initiatives of direct monitoring observation, numerical modeling, geological reconstruction, and all other aspects of turbidity current processes.
Primary Convener:  Zhifei Liu, Tongji University, State Key Laboratory of Marine Geology, Shanghai, China
Conveners:  Benjamin C Kneller, University of Aberdeen, Aberdeen, United Kingdom, Jingping Xu, Southern University of Science and Technology, Department of Ocean Science and Engineering, Shenzhen, China and Peter J Talling, National Oceanography Centre, Southampton, United Kingdom
Chairs:  Jingping Xu, Southern University of Science and Technology, Department of Ocean Science and Engineering, Shenzhen, China, Zhifei Liu, Tongji University, State Key Laboratory of Marine Geology, Shanghai, China, Peter J Talling, National Oceanography Centre, Southampton, United Kingdom and Benjamin C Kneller, University of Aberdeen, Aberdeen, United Kingdom
OSPA Liaison:  Benjamin C Kneller, University of Aberdeen, Aberdeen, United Kingdom
Co-Organized with:
Ocean Sciences, Earth and Planetary Surface Processes, and Natural Hazards

Cross-Listed:
  • EP - Earth and Planetary Surface Processes
  • GC - Global Environmental Change
  • NH - Natural Hazards
  • T - Tectonophysics

Proposed Co-Organized Session with:
  • EP - Earth and Planetary Surface Processes
  • NH - Natural Hazards
Index Terms:

3022 Marine sediments: processes and transport [MARINE GEOLOGY AND GEOPHYSICS]
4262 Ocean observing systems [OCEANOGRAPHY: GENERAL]
4313 Extreme events [NATURAL HAZARDS]
4512 Currents [OCEANOGRAPHY: PHYSICAL]

Abstracts Submitted to this Session:

Predictable and powerful unconfined turbidity currents examined by a custom cabled platform (199415)
David Gwyn Lintern, Geological Survey of Canada Pacific, Vancouver, BC, Canada and Martin Scherwath, University of Victoria, Ocean Networks Canada, Victoria, BC, Canada
A Low Salinity Mystery in a Turbidity Current Measured During the Monterey Coordinated Canyon Experiment (155753)
Jingping Xu1, Zhiwen Wang2, Chenghao Wang3, Jianru Li4, Roberto Gwiazda5, Charles K Paull5, Katherine L Maier6 and Monterey Coordinated Canyon Experiment Team, (1)Southern University of Science and Technology, Department of Ocean Science and Engineering, Shenzhen, China, (2)Ocean University of China, Qingdao, China, (3)Stanford University, Department of Earth System Science, Stanford, United States, (4)Tongji University, Shanghai, China, (5)Monterey Bay Aquarium Research Institute, Moss Landing, CA, United States, (6)National Institute of Water and Atmospheric Research, Wellington, New Zealand
Repeat mapping surveys capture changes in seafloor morphology after a well-documented sediment gravity flow event in Monterey Canyon (162479)
Eve M Lundsten1, David W Caress1, Hans J Thomas1, Krystle Anderson1, Charles K Paull1, Katherine L Maier2 and Roberto Gwiazda1, (1)Monterey Bay Aquarium Research Institute, Moss Landing, CA, United States, (2)National Institute of Water and Atmospheric Research, Wellington, New Zealand
Sediment Gravity Flows Triggered by Remotely Generated Earthquake Waves on the Cascadia Margin (193120)
Marie Salmi1, Harlan Paul Johnson1, Joan S Gomberg2 and Susan L Hautala3, (1)University of Washington, Seattle, WA, United States, (2)USGS, Seattle, United States, (3)Univ Washington, Seattle, WA, United States
Water turbidity monitoring from Landsat data before and after the 2016 El Niño in the Mekong and Bassac Rivers, Vietnam (154198)
Khin Va Lau1,2, Chi-Farn Chen1, Son Thanh Nguyen1, Nguyen Dao Lam3 and Cheng-Ru Chen1, (1)NCU National Central University of Taiwan, Center for Space and Remote Sensing Research, Jhongli, Taiwan, (2)Vietnam Academy of Science and Technology, Nha Trang Institute of Oceanography, Nha Trang, Vietnam, (3)Vietnam Academy of Science and Technology, Vietnam Southern Satellite Technology Application Center, Ho Chi Minh City, Vietnam
Formation of Cyclic Steps due to the Surge-type Turbidity Currents in a Flume Experiment (199210)
Miwa Yokokawa, Osaka Institute of Technology, Information Science & Technology, Hirakata, Japan
Occurrence of Quaternary turbidite deposits in the central South China Sea: Response to global sea-level changes (146998)
Zhifei Liu1, Xiaodong Zhang1, Colin Christophe2, Alyssa Peleo-Alampay3, Jose Dominick S Guballa4, Pingyuan Li5 and Chuanlian Liu5, (1)Tongji University, State Key Laboratory of Marine Geology, Shanghai, China, (2)University of Paris-Sud, Orsay, France, (3)National Institute of Geological Sciences, University of the Philippines, Quezon City, Philippines, (4)University of the Philippines, Diliman, Philippines, (5)Tongji University, Shanghai, China
Significance of the model considering mixed grain-size for inverse analysis of turbidites (157851)
Kento Nakao, Kyoto University, Kyoto, Japan, Hajime Naruse, Kyoto University, Division of Earth and Planetary Sciences, Kyoto, Japan and Shuichi Tokuhashi Sr., AIST - National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan
Deep-Water Resedimented Carbonate Exploration Play Types: Controls and Models (199610)
Marcello Minzoni, University of Alabama, Department of Geological Sciences, Tuscaloosa, AL, United States, Xavier Janson, Bureau of Economic Geology, The University of Texas at Austin, Austin, TX, United States, Charles Kerans, University of Texas at Austin, Jackson School of Geosciences, Austin, TX, United States, Ted Playton, Chevron Corporation Houston, Houston, TX, United States, Peter Winefield, Sarawak Shell Bhd, Sarawak, Malaysia and Peter Mark Burgess, University of Liverpool, Liverpool, L69, United Kingdom
Break-of-slope linked to unexpected downstream grain size coarsening in experimental and natural turbidites (121993)
Florian Pohl1, Joris T Eggenhuisen1, Matthieu Cartigny2, Jan de Leeuw1, Guus P. Sypkens1 and Navid Hermidas3, (1)Utrecht University, Utrecht, Netherlands, (2)University of Southampton, National Oceanography Centre, Southampton, United Kingdom, (3)Delft University of Technology, Delft, Netherlands
Experiments on Transitional Subaqueous Density Flows and Resulting Sediment Deposits (145878)
Zachary David Barnaal, Organization Not Listed, Washington, DC, United States and Gary Parker, University of Illinois at Urbana Champaign, Earth Science and Environmental Change & Civil and Environmental Engineering, Urbana, United States
Investigating Deep-Marine Sediment Waves in the Northern Gulf of Mexico Using 3D Seismic Data (153397)
Zexuan Wang and M Royhan Gani, Western Kentucky University, Department of Geography and Geology, Bowling Green, KY, United States

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