MUSLE Evaluation of Soil Loss on a Construction Site by Using Gauging Weirs

Siti Isma Hani Ismail; Hooi Min Yee

doi:10.4028/www.scientific.net/AMR.446-449.2718

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 446-449MUSLE Evaluation of Soil Loss on a Construction...

MUSLE Evaluation of Soil Loss on a Construction Site by Using Gauging Weirs

Abstract:

During urbanization, large areas of soil are exposed to the risk of soil erosion due to extensive earthworks and construction activities. Runoff from construction sites is known by far the largest source of sediment clogging our waterways. Erosion occurred from the study area due to removal of vegetation, high rainfall intensity, alteration of existing topography, and the covering of previously vegetated surfaces with impervious cover such as roads, driveways and buildings. The main objective of this study is to evaluate the soil loss due to storm rainfall and runoff on a construction site located at Sungai Ara, Penang State of Malaysia. A purpose-built hydraulic structure namely Sharp Crested Rectangular Weir was constructed and installed on site for more reliable estimates of flow during storms. The soil loss was then evaluated by using an empirical modeling known as the Modified Universal Soil Loss Equation (MUSLE). Results showed that large amount of sediment has being eroded from the study area during these activities. The highest soil loss rate was estimated was 64 ton/ha during a storm event.

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Periodical:

Advanced Materials Research (Volumes 446-449)

Pages:

2718-2721

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.446-449.2718

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Online since:

January 2012

Authors:

Siti Isma Hani Ismail, Hooi Min Yee

Keywords:

Construction, Sediment, Soil Erosion and MUSLE, Soil Loss

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References

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