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Article

Optimizing Height and Spacing of Check Dam Systems for Better Grassed Channel Infiltration Capacity

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Department of Civil Engineering, Faculty of Engineering, Universiti Putra Malaysia, UPM Serdang, Selangor 43400, Malaysia
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Department of Civil Engineering, College of Engineering, University of Diyala, Diyala Governorate, Iraq
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Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam
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Civil, Environmental and Natural Resources Engineering, Lulea University of Technology, 97187 Lulea, Sweden
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School of Civil Engineering, Faculty of Engineering, Universiti Teknologi Malaysia (UTM), Johor Bahru 81310, Malaysia
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Sustainable Developments in Civil Engineering Research Group, Faculty of Civil Engineering, Ton Duc Thang University, Ho Chi Minh City, Vietnam
*
Author to whom correspondence should be addressed.
Appl. Sci. 2020, 10(11), 3725; https://doi.org/10.3390/app10113725
Received: 15 April 2020 / Revised: 16 May 2020 / Accepted: 25 May 2020 / Published: 28 May 2020
(This article belongs to the Special Issue Hydrologic and Water Resources Investigations and Modeling)
The check dams in grassed stormwater channels enhance infiltration capacity by temporarily blocking water flow. However, the design properties of check dams, such as their height and spacing, have a significant influence on the flow regime in grassed stormwater channels and thus channel infiltration capacity. In this study, a mass-balance method was applied to a grassed channel model to investigate the effects of height and spacing of check dams on channel infiltration capacity. Moreover, an empirical infiltration model was derived by improving the modified Kostiakov model for reliable estimation of infiltration capacity of a grassed stormwater channel due to check dams from four hydraulic parameters of channels, namely, the water level, channel base width, channel side slope, and flow velocity. The result revealed that channel infiltration was increased from 12% to 20% with the increase of check dam height from 10 to 20 cm. However, the infiltration was found to decrease from 20% to 19% when a 20 cm height check dam spacing was increased from 10 to 30 m. These results indicate the effectiveness of increasing height of check dams for maximizing the infiltration capacity of grassed stormwater channels and reduction of runoff volume. View Full-Text
Keywords: grassed channels; check dam system; stormwater; infiltration capacity; water resources modelling; modified Kostiakov model grassed channels; check dam system; stormwater; infiltration capacity; water resources modelling; modified Kostiakov model
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MDPI and ACS Style

Al-Janabi, A.M.S.; Ghazali, A.H.; Yusuf, B.; Sammen, S.S.; Afan, H.A.; Al-Ansari, N.; Shahid, S.; Yaseen, Z.M. Optimizing Height and Spacing of Check Dam Systems for Better Grassed Channel Infiltration Capacity. Appl. Sci. 2020, 10, 3725. https://doi.org/10.3390/app10113725

AMA Style

Al-Janabi AMS, Ghazali AH, Yusuf B, Sammen SS, Afan HA, Al-Ansari N, Shahid S, Yaseen ZM. Optimizing Height and Spacing of Check Dam Systems for Better Grassed Channel Infiltration Capacity. Applied Sciences. 2020; 10(11):3725. https://doi.org/10.3390/app10113725

Chicago/Turabian Style

Al-Janabi, Ahmed M.S., Abdul H. Ghazali, Badronnisa Yusuf, Saad S. Sammen, Haitham A. Afan, Nadhir Al-Ansari, Shamsuddin Shahid, and Zaher M. Yaseen. 2020. "Optimizing Height and Spacing of Check Dam Systems for Better Grassed Channel Infiltration Capacity" Applied Sciences 10, no. 11: 3725. https://doi.org/10.3390/app10113725

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