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Sediment deposition within rainwater: case study comparison of four different sites in Ikorodu, Nigeria
John, Chukwuemeka K. Pu, Jaan H. Pandey, M. Hanmaiahgari, P.R.
John, Chukwuemeka K.
Pu, Jaan H.
Pandey, M.
Hanmaiahgari, P.R.
Publication Date
2021-03
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© 2021 by the Authors.
Licensee MDPI, Basel, Switzerland.
This article is an open access article
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Attribution (CC BY) license (https://
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4.0/).
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Gold
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2021-03-17
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Abstract
Building roofs represents a critical pathway for sediment mixing with rainwater. This study aims to explore the correlation between roof-top deposited sediment matter in the different areas of the Ikorodu Local Government Area in Lagos, Nigeria. The deposition rate on the roof was studied for 34 weeks in total (i.e., 17 weekly analyses in the rainy season and 17 weekly analyses in the dry season). The total deposition was collected by a 10 inch funnel and directed into a 5 L container, which was partially filled with sterilised water. The roof-top deposition in four different areas was inspected and analysed. The four areas were selected based on the levels of sanitation and vege-tation. The experimental results showed that the enumerated total depositions in different areas were higher in the dry season than the rainy season, with the highest deposition occurring in the Harmattan period. The data obtained from this study have evidenced that the contamination from roof-harvested rainwater can mainly be attributed to atmospheric deposition. Another key factor was the hygiene and sanitation of the harvesting areas, including the gutter, pipes and proximity to animal faeces.
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Citation
John CK, Pu JH, Pandey M et al (2021) Sediment deposition within rainwater: case study comparison of four different sites in Ikorodu, Nigeria. Fluids. 6(3): 124.
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