Anastasia Piliouras's research utilizes physical experiments, modeling, fieldwork, and remote sensing to better understand (1) the morphodynamics of fluvial, deltaic, and coastal systems; and (2) interactions between vegetation, hydrology, climate, and surface processes. Understanding these complex interactions is essential for predicting landscape change, especially in a changing climate, and requires investigation across a broad range of temporal and spatial scales using a mixture of observational and modeling techniques. The goal is to understand not only how landscapes evolve but also how the processes and process interactions that shape landscapes change under different conditions. Given the rapid warming in the Arctic, much of Piliouras's work is focused on high-latitude landscapes, but she is also interested in morphodynamics, ecogeomorphology, hydrologic connectivity, and coastal change at all latitudes.
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Projects
Recent Publications
Seasonal and Morphological Controls on Nitrate Retention in Arctic Deltas
Knights, D., Piliouras, A., Schwenk, J., Hariharan, J. & Russoniello, C., Apr 16 2023, In: Geophysical Research Letters. 50, 7, e2022GL102201.Research output: Contribution to journal › Article › peer-review
Variability in terrestrial characteristics and erosion rates on the Alaskan Beaufort Sea coast
Piliouras, A., Jones, B. M., Clevenger, T., Gibbs, A. E. & Rowland, J. C., Nov 1 2023, In: Environmental Research Letters. 18, 11, 114050.Research output: Contribution to journal › Article › peer-review
The thermal response of permafrost to coastal floodplain flooding
Zhang, Y., Jafarov, E., Piliouras, A., Jones, B., Rowland, J. C. & Moulton, J. D., Mar 1 2023, In: Environmental Research Letters. 18, 3, 035004.Research output: Contribution to journal › Article › peer-review
Organic carbon burial by river meandering partially offsets bank erosion carbon fluxes in a discontinuous permafrost floodplain
Douglas, M. M., Li, G. K., Fischer, W. W., Rowland, J. C., Kemeny, P. C., West, A. J., Schwenk, J., Piliouras, A. P., Chadwick, A. J. & Lamb, M. P., May 10 2022, In: Earth Surface Dynamics. 10, 3, p. 421-435 15 p.Research output: Contribution to journal › Article › peer-review
Assessing the Potential Impact of River Chemistry on Arctic Coastal Production
Gibson, G. A., Elliot, S., Clement Kinney, J., Piliouras, A. & Jeffery, N., May 18 2022, In: Frontiers in Marine Science. 9, 738363.Research output: Contribution to journal › Article › peer-review
Width-Based Discharge Partitioning in Distributary Networks: How Right We Are
Hariharan, J., Piliouras, A., Schwenk, J. & Passalacqua, P., Jul 28 2022, In: Geophysical Research Letters. 49, 14, e2022GL097897.Research output: Contribution to journal › Article › peer-review
Ice-dominated Arctic deltas
Overeem, I., Nienhuis, J. H. & Piliouras, A., Apr 2022, In: Nature Reviews Earth and Environment. 3, 4, p. 225-240 16 p.Research output: Contribution to journal › Review article › peer-review
Impact of River Channel Lateral Migration on Microbial Communities across a Discontinuous Permafrost Floodplain
Douglas, M. M., Lingappa, U. F., Lamb, M. P., Rowland, J. C., West, A. J., Li, G., Kemeny, P. C., Chadwick, A. J., Piliouras, A., Schwenk, J. & Fischer, W. W., Sep 2021, In: Applied and environmental microbiology. 87, 20, p. 1-20 20 p.Research output: Contribution to journal › Article › peer-review
The effects of storms and a transient sandy veneer on the interannual planform evolution of a low-relief coastal cliff and shore platform at Sargent Beach, Texas, USA
Palermo, R. V., Piliouras, A., Swanson, T. E., Ashton, A. D. & Mohrig, D., Sep 8 2021, In: Earth Surface Dynamics. 9, 5, p. 1111-1123 13 p.Research output: Contribution to journal › Article › peer-review
Unraveling the Combined Effects of Ice and Permafrost on Arctic Delta Morphodynamics
Piliouras, A., Lauzon, R. & Rowland, J. C., Apr 2021, In: Journal of Geophysical Research: Earth Surface. 126, 4, e2020JF005706.Research output: Contribution to journal › Article › peer-review
Modeling functional organic chemistry in arctic rivers: An idealized siberian system
Jayasinghe, A., Elliott, S., Piliouras, A., Kinney, J. C., Gibson, G., Jeffery, N., Hoffman, F., Kumar, J. & Wingenter, O., Oct 2020, In: Atmosphere. 11, 10, 1090.Research output: Contribution to journal › Article › peer-review
Nitrate Removal Across Ecogeomorphic Zones in Wax Lake Delta, Louisiana (USA)
Knights, D., Sawyer, A. H., Barnes, R. T., Piliouras, A., Schwenk, J., Edmonds, D. A. & Brown, A. M., Aug 1 2020, In: Water Resources Research. 56, 8, e2019WR026867.Research output: Contribution to journal › Article › peer-review
Arctic River Delta Morphologic Variability and Implications for Riverine Fluxes to the Coast
Piliouras, A. & Rowland, J. C., Jan 1 2020, In: Journal of Geophysical Research: Earth Surface. 125, 1, e2019JF005250.Research output: Contribution to journal › Article › peer-review
Determining flow directions in river channel networks using planform morphology and topology
Schwenk, J., Piliouras, A. & Rowland, J. C., Feb 12 2020, In: Earth Surface Dynamics. 8, 1, p. 87-102 16 p.Research output: Contribution to journal › Article › peer-review
Channel Network Control on Seasonal Lake Area Dynamics in Arctic Deltas
Vulis, L., Tejedor, A., Schwenk, J., Piliouras, A., Rowland, J. & Foufoula-Georgiou, E., Apr 16 2020, In: Geophysical Research Letters. 47, 7, e2019GL086710.Research output: Contribution to journal › Article › peer-review