期刊
HYDROLOGICAL SCIENCES JOURNAL-JOURNAL DES SCIENCES HYDROLOGIQUES
卷 53, 期 1, 页码 224-235出版社
IAHS PRESS, INST HYDROLOGY
DOI: 10.1623/hysj.53.1.224
关键词
hysteresis; Rybarik basin; Slovakia; sediment availability; suspended sediment dynamics
Suspended sediment dynamics influenced by rainstorms and factors controlling changes in suspended sediment concentrations, were investigated during hydrological events in a small scale, since small agricultural drainage basins can be considered as one of the most important sediment sources. Suspended sediment concentrations were measured during discharge waves in the years 1987-1990, 1992, 2000 and 2001. Positive and anti-clockwise hysteresis was observed at Rybarik basin. A procedure of isolating factors controlling suspended sediment concentrations and dynamics has given a more realistic view on production and transport of suspended sediment. It is confirmed that spatial and temporal variability of sediment availability and suspended sediment dilution by the baseflow, mainly in the case of two or more waves immediately following one after another, significantly control suspended sediment concentrations and dynamics.
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