I study rivers and the ways they transport sediment to understand flood hazard in the Pacific Northwest. I use data analysis, remote sensing and models to investigate how rivers are changing in shape and hydrologic regime.



  • Ahrendt, S., Blom A., Van Denderen, R. P., Schielen, R. M. J., Horner-Devine, A. R., (in review) Geometric floodplain controls on riverbed elevation change within and between flood events

  • Ahrendt, S., Horner-Devine, A. R., Collins, B., Morgan, J., Istanbulluoglu, E., (2022) Channel Conveyance variability can influence flood risk as much as streamflow variaibility in western Washington State, Water Resources Research. https://doi.org/10.1029/2021WR031890

  • Morgan, J. A., Kumar, N., Horner-Devine, A. R., Ahrendt, S., Istanbullouglu,
    E., Bandargoda, C., (2020), Simulating large-scale and long-term fluvial morphodynamics: The efficacy of using a morphological acceleration factor. Geomorphology, 356, p. 107088, https://doi.org/10.1016/j.geomorph.2020.107088


AGU 2020 Virtual Presentation

CSDMS Summer Series 2020, Virtual Presentation




Observing Sediment Transport Processes in Northern Minnesota:

Field Exercise for Hillslope Geomorphology with Dr. Alison Duvall

Map of Study Sites: Magnetic Rock Trail, MN

Digital Field Notes:

© Shelby Ahrendt 2022