Quantifying channel bank erosion of a small mountain river in Russian wet subtropics using erosion pins

Авторы: Yulia Kuznetsova, Valentin Golosov, Anatoly Tsyplenkov, Nadezhda Ivanova
Сборник: Proceedings IAHS “Land use and climate change impacts on erosion and sediment transport"
Том: 381
Год издания: 2019
Первая страница: 79
Последняя страница: 86
DOI: 10.5194/piahs-381-79-2019
Аннотация: Channel bank erosion was monitored using erosion pin arrays in a small mountain stream located in the Tsanyk River basin near the Caucasian Black sea coast. The study area is characterized by high precipitation, low mountainous topography, and flysch bedrock. Erosion pins arrays were installed at six key sections each with different bank lithology and morphology. Bank lithology (bedrock or alluvial deposits), morphology (vertical or concave) and orientation towards the local flow direction were the dominant factors controlling the rate of bank retreat and/or collapse. In contrast to alluvial banks, bedrock slopes are predominantly affected by chemical weathering processes in a wet subtropical climate. Results on sediment mobilization and volume removed are presented for different bank types. Variability in channel bank recessional dynamics is discussed in the context of hydrometeorological data (2016–2018) and an extreme flood.
Добавил в систему: Цыпленков Анатолий Сергеевич

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