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Our

Research Topics

Fluviodeltaic

AutoGenic

Processes

Geomorphic Signatures of Internal Dynamics

Self-organizing sediment storage and release processes naturally occur in cycles. In experimental deltas, channelization and sheet flow alternate repeatedly and cause pulses of shoreline progradation. We aim to understand the time and event scales of the fluviodeltaic autogenic processes under different boundary conditions (e.g., base level, sediment and water discharges, grainsize, and vegetation).

Allogenic

VS.

AutoGenic Product

Decoupling Allogenic and Autoenic Stratal Records

Allogenic and autogenic processes produce unique stratigraphic signitures. The charateristic time and event scales of autogenic processes are affected by the allogenic processes. Our goal is to understand their interactions to better decouple these two components and to decipher the environmental changes in stratigraphic products.

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Mud deposition 

Mud Capture on Topset and Forest of Deltas

Mud has not been considered seriously on the delta formation. However, mud captured on the topset and foreset of delta deposition is significant more than what we expected and dynamically varying with time and space. We aim to understand the mud deposition processes on deltas to investigate how delta evolution and stratigraphic development would change by mud effects.

Temperature and Sediment Transport

Thermo-morphodynamics

With global warming driving significant increases in water temperatures, understanding how these thermal changes affect geomorphological processes is critical for predicting the future of coastal and fluvial landscapes.

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Meandering Rivers in Planetary Surfaces

On Earth and Mars over Sediment and Base-level Cycles

Meandering rivers are ubiquitous on Earth and Mars, but are neither well understood or reproduced in laboratory setting. Our goal is to reproduce a self-sustaining meandering river in a scaled experiment and investigate the response of meandering river over sediment and base-level cycles.

Experimental

Data

Management

Sediment Experimentalist Network (SEN)

SEN is a NSF funded Sediment Experimentalist Network. This group helps the community to share and discover experimental data. Our research group participates in SEN and actively shares our experimental data and knowledge (experimental setups, methods, and equipment) with the experimental community and beyond.

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Coastal Landscape

Dynamics of Coastal Landscape under Wave and Tidal Influence

Coastal landscape changes are driven by sediment transport influenced by wave and tidal dynamics. By qualifying these processes and modeling their impact on morphological evolution, we aim to better predict how coastlines respond to environmental changes.

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