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Mixing and transport in river confluences, lakes, and deltas
Confluence of Nakdong-Hwang rivers (South Korea), meandering channel (KICT river experimental center, South Korea), and Wax Lake Delta (Louisiana, USA; AVIRIS-NG image obtained from Delta-X project)
Confluence mixing
Delta mixing
Related papers
Kwon, S., Seo, I.W., Lyu. S., Investigating mixing patterns of suspended sediment in a river confluence using high-resolution hyperspectral imagery. Journal of Hydrology. 620PB, 129505. https://doi.org/10.1016/j.jhydrol.2023.129505
Kwon, S., Seo, I.W., Kim., D., Effects of hydropeaking by an upstream dam on thermal mixing in a riverine lake. Journal of Hydrology. 633, 130992. https://doi.org/10.1016/j.jhydrol.2024.130992.
Kwon, S., Passalacqua, P., Nghiem, J., Lamb, M., Mixing patterns of river deltas obtained from remotely-sensed Rouse number. Journal of Geophysical Research: Earth Surface (under review).
Remote sensing for sediment transport in rivers and deltas
Drone remote sensing
Related papers
Kwon, S., Shin, J., Seo, I.W., Noh, H., Jung, S.H., You, H., Measurement of suspended sediment concentration in open channel flows based on hyperspectral imagery from UAVs. Advances in Water Resources 159, 104076. https://doi.org/10.1016/j.advwatres.2021.104076
Kwon, S., Seo, I.W., Noh, H., Kim, B., Hyperspectral retrievals of suspended sediment using cluster-based machine learning regression in shallow waters. Science of the Total Environment 833, 155168. https://doi.org/10.1016/j.scitotenv.2022.155168
Kwon, S., Gwon, Y., Kim., D., Seo, I.W., You, H., Unsupervised classification of bottom materials for bathymetry estimation using UAV-based hyperspectral imagery in shallow rivers. Remote Sensing. 15(11), 2803. https://doi.org/10.3390/rs15112803
Airborne remote sensing
Related papers
Kwon, S., Passalacqua, P., Soloy, A., Jensen, D., Simard, M. Depth mapping in turbid and deep waters using AVIRIS-NG imagery: a study in Wax Lake Delta, Louisiana, USA. Water Resources Research. 60(11). https://doi.org/10.1029/2023WR036875
Kwon, S., Passalacqua, P., Nghiem, J., Lamb, M., Mixing patterns of river deltas obtained from remotely-sensed Rouse number. Journal of Geophysical Research: Earth Surface (under review).
Numerical modeling for mixing and transport
Hydropower release-driven thermal mixing at a confluence
Analysis of particle behavior under hydropeaking using a Lagrangian Particle Tracking (LPT) model
Related papers
Kwon, S., Seo, I. W.*, Park, I., Kim, J. S., Suspended material retention in riverine reservoirs: role of hydropeaking, density currents, and settling velocity. Journal of Hydrology-Regional Studies. 61, 102706. https://doi.org/10.1016/j.ejrh.2025.102706
Kwon, S., Seo, I.W.*, Kim., D., Effects of hydropeaking by an upstream dam on thermal mixing in a riverine lake. Journal of Hydrology. 633, 130992. https://doi.org/10.1016/j.jhydrol.2024.130992.
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