Hydrological Research Letters
Online ISSN : 1882-3416
ISSN-L : 1882-3416
Suspended sediment transport in a river basin estimated by chemical composition analysis
Tetsuya IshidaKeisuke NakayamaTomonari OkadaYasuyuki MaruyaKiyofumi OnishiMio Omori
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Supplementary material

2010 Volume 4 Pages 55-59

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Abstract

Production and transportation of suspended sediment was investigated by sampling surface soils in 18 domains over an entire river basin. Particle size distributions alone suggested that all domains were a source of suspended sediment. Chemical composition analysis however showed that the transport rate of suspended sediment was more closely related to the type of surface soil than to land use. A method was developed which enables estimation of the relative suspended sediment transport rates from each domain of a river basin to its downstream end. The model’s validity was verified through good agreement with field sampling results.

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© 2010 Japan Society of Hydrology and Water Resources
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