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Aeolian sediment transport in river corrid … Aeolian sediment transport in river corridors remains an underexplored process despite its significant implications for landscape evolution, ecosystem management, and cultural resource preservation. Therefore, predictive tools for forecasting and hindcasting aeolian transport dynamics can improve the management of these resources. While progress has been made in numerical models capturing aeolian dynamics in coastal environments, their application to fluvial-aeolian interactions has been limited. In this study, we adapt the AeoLiS coastal aeolian model to a dryland river corridor, where wind-driven sediment transport is closely linked to sandbar dynamics. We apply AeoLiS to a fluvial sandbar along the Colorado River corridor, through Grand Canyon National Park, where sediment exchange between fluvial sandbars and adjacent aeolian dunes is influenced by regulated flow regimes, climatic forcing, and vegetation dynamics. Using 7.5 months of field data—including meteorological measurements, river gauge records, sediment traps, and topographic surveys—we parameterize and validate the model. We compare observed and modeled estimates of topographic change and aeolian sediment flux at a sandbar-dune complex to assess model performance. Our findings demonstrate that AeoLiS effectively simulates aeolian transport dynamics in this setting, supporting its broader applicability beyond coastal systems. This research advances understanding of coupled fluvial-aeolian geomorphic processes and highlights the potential for modeling to inform management strategies in dynamic sedimentary systems.strategies in dynamic sedimentary systems. +
First Application of AeoLiS to Fluvial-Aeolian Systems +
Golden +
United States +
mmkelley@usgs.gov +
Madeline +
USGS +
Kelley +
Image: +
4) Get lazy with LLMs +
3) The Finite Element Method (FEM) +
1) Landlab’s NetworkSedimentTransporter: A Lagrangian Model for River Bed Material Transport Dynamics +
Colorado +
United States +
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17:55:37, 1 April 2025 +
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17:55:37, 1 April 2025 +
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Terrestrial Working Group +, Coastal Working Group +, Marine Working Group +, Education and Knowledge Transfer (EKT) Working Group +, Cyberinformatics and Numerics Working Group +, Hydrology Focus Research Group +, Chesapeake Focus Research Group +, Critical Zone Focus Research Group +, Human Dimensions Focus Research Group +, Geodynamics Focus Research Group + and Ecosystem Dynamics Focus Research Group +
