The development of scour holes in lowland rivers: a review on the hydrodynamic and geotechnical conditions

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Abstract

Scour holes are common features in lowland rivers. They can have significant depths and steep slopes which may threaten the stability of infrastructure. Therefore, understand-ing the dominant conditions that control the development of scour holes is essential. Previous studies mainly focused on the hydrodynamic conditions (i.e., flood events, channel geometry, and presence of a structure) that induce the formation of a scour hole. However, more recent research illustrated that the formation of a large group of scour holes cannot be explained by hydrodynamic conditions solely. The geotechnical conditions (i.e., the subsurface composition) significantly in-fluence the location of a scour hole, as it reflects the local susceptibility of the bed to erosion. Yet, the hydrodynamic and geotechnical conditions are mainly isolated in scour hole analysis. This review provides an overview of the drivers of the formation and migration of scour holes focusing on the interplay of hydrodynamic and geotechnical conditions.
Original languageEnglish
Title of host publicationProceedings of the 12th International conference on Fluvial Hydraulics, River Flow 2024
PublisherCRC Press/Balkema
Number of pages8
Publication statusPublished - 2025
Event12th International conference on Fluvial Hydraulics, River Flow 2024 - Liverpool John Moores University , Liverpool, United Kingdom
Duration: 2 Sept 20246 Sept 2024
Conference number: 12
https://www.ljmu.ac.uk/conferences/river-flow

Conference

Conference12th International conference on Fluvial Hydraulics, River Flow 2024
Abbreviated titleRiver Flow 2024
Country/TerritoryUnited Kingdom
CityLiverpool
Period2/09/246/09/24
Internet address

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