OS12C:
Turbidity Current Processes: Observation, Modeling, and Geological Records I

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Session ID#: 15119

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:  Zhifei Liu, Tongji University, State Key Laboratory of Marine Geology, Shanghai, China
Co-Organized with:
Ocean Sciences, Natural Hazards, and Earth and Planetary Surface Processes

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:

Most Detailed Direct Measurements Yet of Turbidity Currents in the Deep Ocean: Monterey Coordinated Canyon Experiment (Invited) (151883)
Charles K Paull1, Krystle Anderson1, James Barry2, David W Caress1, Mark R Chaffey1, Jenny A. Gales3, Roberto Gwiazda1, Brian Kieft4, Eve M Lundsten1, Katherine L Maier5, Michael P McCann1, Mary McGann6, Thomas C O'Reilly1, Daniel R Parsons7, Kurt J Rosenberger8, Esther Sumner9, Peter J Talling10 and Jingping Xu11, (1)Monterey Bay Aquarium Research Institute, Moss Landing, CA, United States, (2)Monterey Bay Aquarium Research Institute, Research, Moss Landing, CA, United States, (3)National Oceanography Centre, Southampton, United Kingdom, (4)Monterey Bay Aquarium Research Institute, Moss Landing, United States, (5)National Institute of Water and Atmospheric Research, Wellington, New Zealand, (6)U.S. Geological Survey, Pacific Coastal and Marine Science Center Menlo Park, Menlo Park, CA, United States, (7)University of Hull, Hull, HU6, United Kingdom, (8)USGS, Coastal and Marine Geology, Baltimore, MD, United States, (9)University of Southampton, National Oceanography Centre, Southampton, United Kingdom, (10)National Oceanography Centre,, Southampton, Hamps, United Kingdom, (11)Southern University of Science and Technology, Department of Ocean Science and Engineering, Shenzhen, China
Suspended sediment dynamics in a large-scale turbidity current: Direct measurements from the deep-water Congo Canyon (175095)
Stephen Simmons1, María Azpiroz2, Matthieu Cartigny3, Michael Andrew Clare4, Daniel R Parsons5, Esther Sumner3,6 and Peter J Talling7,8, (1)University of Hull, School of Environmental Sciences, Hull, HU6, United Kingdom, (2)National Oceanography Centre, Southampton, Southampton, United Kingdom, (3)University of Southampton, National Oceanography Centre, Southampton, United Kingdom, (4)National Oceanography Centre, Southampton, United Kingdom, (5)University of Hull, Hull, HU6, United Kingdom, (6)University of Southampton, Southampton, United Kingdom, (7)National Oceanography Centre,, Southampton, Hamps, United Kingdom, (8)University of Durham, Geography, Durham, United Kingdom
Mooring Observed Sediment Transport by Turbidity Currents in the Gaoping Canyon off Taiwan (Invited) (118949)
Yanwei Zhang1, Zhifei Liu1, Kui Duan1, Yulong Zhao1, Jianru Li2 and Jingping Xu3, (1)Tongji University, State Key Laboratory of Marine Geology, Shanghai, China, (2)Tongji University, Shanghai, China, (3)Southern University of Science and Technology, Department of Ocean Science and Engineering, Shenzhen, China
Characterization of the Navy Fan Channel-to-Lobe Transition: Geomorphology, Gradient, and Structure Imaged through High-Resolution AUV Bathymetry (166002)
Cristian Carvajal1, Charles K Paull2, David W Caress2, Krystle Anderson2, Eve M Lundsten2, Roberto Gwiazda2, Andrea Fildani3, Mason Dykstra3, Mary McGann4, Katherine L Maier5 and Juan Carlos Herguera6, (1)Monterey Bay Aquarium Research Institute, Watsonville, CA, United States, (2)Monterey Bay Aquarium Research Institute, Moss Landing, CA, United States, (3)Statoil Gulf ASA, Houston, TX, United States, (4)U.S. Geological Survey, Pacific Coastal and Marine Science Center Menlo Park, Menlo Park, CA, United States, (5)National Institute of Water and Atmospheric Research, Wellington, New Zealand, (6)Centro de Investigación Científica y de Educación Superior de Ensenada, Oceanology, San Diego, CA, United States
Linking recent observations of cyclic steps from fjords to outcropping stratigraphic products, British Columbia, Canada (142903)
Stephen Michial Hubbard1, Daniel Stephen Coutts1 and Jacob A Covault2, (1)University of Calgary, Calgary, AB, Canada, (2)Bureau of Economic Geology, The University of Texas at Austin, Austin, TX, United States
Comments on the Origin and Significance of Density Stratification in Turbidity Currents (187909)
Benjamin C Kneller, Aberdeen University, Department of Geology, Aberdeen, United Kingdom
Mass Delivery and Frequency of Submarine Fan-Building Turbidity Currents (191982)
Zane R Jobe, Colorado School of Mines, Geology and Geological Engineering, Golden, CO, United States, Nick C Howes, Shell, Houston, TX, United States, Brian Romans, Virginia Tech, Geosciences, Blacksburg, United States and Jacob A Covault, Bureau of Economic Geology, The University of Texas at Austin, Austin, TX, United States
Tectonic and climatic controls on seafloor sedimentary processes from analysis of multi-beam sonar and multi-channel seismic data collected during the Galicia 3D seismic experiment. (167119)
James C Gibson1, Donna J Shillington2, Dale S Sawyer3, Julia Morgan3, Cesar R Ranero4, Reston J Tim5, Ranjan K Dash6 and Barton A Payne6, (1)Lamont -Doherty Earth Observatory, Palisades, United States, (2)Columbia University of New York, Palisades, NY, United States, (3)Rice University, Houston, TX, United States, (4)ICM-CSIC, Barcelona Center for Subsurface Imaging, ICREA at CSIC, Instituto de Ciencias del Mar, Barcelona, Spain, Barcelona, Spain, (5)University of Birmingham, School of Geography, Earth and Environmental Sciences, Birmingham, B15, United Kingdom, (6)Chevron, San Ramon, CA, United States

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