Sources of stream bed sediment in an urbanized watershed

Excessive delivery of fine-grained sediment and sediment-bound nutrients to surface waters results in water quality impairment. Information on the relative contribution of different sources contributing sediment to river systems is a prerequisite to target management practices. The overall goal of t...

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Bibliographic Details
Published in:Catena (Giessen) 2020-01, Vol.184, p.104228, Article 104228
Main Authors: Malhotra, Kritika, Lamba, Jasmeet, Shepherd, Stephanie
Format: Article
Language:English
Subjects:
In-stream sediment
Multivariate mixing model
Sediment fingerprinting
Sediment sources
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Summary:Excessive delivery of fine-grained sediment and sediment-bound nutrients to surface waters results in water quality impairment. Information on the relative contribution of different sources contributing sediment to river systems is a prerequisite to target management practices. The overall goal of this study was to determine the sources of stream bed sediment at a subwatershed scale using sediment fingerprinting approach in an urbanized, 31 km2 Moore's Mill Creek watershed in Southern Piedmont region in Alabama, USA. The relative source contribution from construction sites and stream banks was quantified for two different particle size fractions, 63–212 μm (fine sand) and
ISSN:0341-8162
1872-6887
DOI:10.1016/j.catena.2019.104228