Modeling the impacts of climate change and flooding on sanitary sewage system using SWMM simulation: A case study

Climate change has several impacts on rainfall patterns, increasing surface runoff, leading to sewer flooding, and receiving water contamination. This study analyzed the effects of climate change and flooding on the Al-Shuhada Quarter sewer system in Samawah City, Iraq, using the Storm Water Managem...

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Autores principales:	Maryam Hassan Mohammed, Haider M. Zwain, Waqed Hammed Hassan
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Climate change Flooding Return period Samawah Sanitary sewage system SWMM Technology T
Acceso en línea:	https://doaj.org/article/fd418994a09546d394d63888048bb973
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spelling	oai:doaj.org-article:fd418994a09546d394d63888048bb9732021-11-18T04:51:23ZModeling the impacts of climate change and flooding on sanitary sewage system using SWMM simulation: A case study2590-123010.1016/j.rineng.2021.100307https://doaj.org/article/fd418994a09546d394d63888048bb9732021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2590123021001080https://doaj.org/toc/2590-1230Climate change has several impacts on rainfall patterns, increasing surface runoff, leading to sewer flooding, and receiving water contamination. This study analyzed the effects of climate change and flooding on the Al-Shuhada Quarter sewer system in Samawah City, Iraq, using the Storm Water Management Model (SWMM). The sanitary system's performance was evaluated before and after the leaking of stormwater at different return periods of two, five, ten, and twenty-five years. The SWMM model was manually calibrated by changing the influential sub-catchment characteristic using modeled and measured discharges. NMSE (0.123) and R (0.86) values were within the limits and proved that the model is valid. Evaluation results indicated that the system operated very well at dry weather flow but flooded at some locations during the leaking of stormwater at wet weather flow. As a response to climate change, changing return period from 2 to 25 years showed an increase in sanitary sewage system flooding volume and percentage of flooding manholes from 2504 m3 to 10% to 8868 m3 and 24%, respectively. By contrast, proposing the addition of extra two sewer lines has highly reduced the flooding events. To conclude, SWMM was a very powerful tool in predicting flooding volumes and locations at different rainfall intensities, and it assessed the capability of the proposed solutions to minimize flooding.Maryam Hassan MohammedHaider M. ZwainWaqed Hammed HassanElsevierarticleClimate changeFloodingReturn periodSamawahSanitary sewage systemSWMMTechnologyTENResults in Engineering, Vol 12, Iss , Pp 100307- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Climate change Flooding Return period Samawah Sanitary sewage system SWMM Technology T
spellingShingle	Climate change Flooding Return period Samawah Sanitary sewage system SWMM Technology T Maryam Hassan Mohammed Haider M. Zwain Waqed Hammed Hassan Modeling the impacts of climate change and flooding on sanitary sewage system using SWMM simulation: A case study
description	Climate change has several impacts on rainfall patterns, increasing surface runoff, leading to sewer flooding, and receiving water contamination. This study analyzed the effects of climate change and flooding on the Al-Shuhada Quarter sewer system in Samawah City, Iraq, using the Storm Water Management Model (SWMM). The sanitary system's performance was evaluated before and after the leaking of stormwater at different return periods of two, five, ten, and twenty-five years. The SWMM model was manually calibrated by changing the influential sub-catchment characteristic using modeled and measured discharges. NMSE (0.123) and R (0.86) values were within the limits and proved that the model is valid. Evaluation results indicated that the system operated very well at dry weather flow but flooded at some locations during the leaking of stormwater at wet weather flow. As a response to climate change, changing return period from 2 to 25 years showed an increase in sanitary sewage system flooding volume and percentage of flooding manholes from 2504 m3 to 10% to 8868 m3 and 24%, respectively. By contrast, proposing the addition of extra two sewer lines has highly reduced the flooding events. To conclude, SWMM was a very powerful tool in predicting flooding volumes and locations at different rainfall intensities, and it assessed the capability of the proposed solutions to minimize flooding.
format	article
author	Maryam Hassan Mohammed Haider M. Zwain Waqed Hammed Hassan
author_facet	Maryam Hassan Mohammed Haider M. Zwain Waqed Hammed Hassan
author_sort	Maryam Hassan Mohammed
title	Modeling the impacts of climate change and flooding on sanitary sewage system using SWMM simulation: A case study
title_short	Modeling the impacts of climate change and flooding on sanitary sewage system using SWMM simulation: A case study
title_full	Modeling the impacts of climate change and flooding on sanitary sewage system using SWMM simulation: A case study
title_fullStr	Modeling the impacts of climate change and flooding on sanitary sewage system using SWMM simulation: A case study
title_full_unstemmed	Modeling the impacts of climate change and flooding on sanitary sewage system using SWMM simulation: A case study
title_sort	modeling the impacts of climate change and flooding on sanitary sewage system using swmm simulation: a case study
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/fd418994a09546d394d63888048bb973
work_keys_str_mv	AT maryamhassanmohammed modelingtheimpactsofclimatechangeandfloodingonsanitarysewagesystemusingswmmsimulationacasestudy AT haidermzwain modelingtheimpactsofclimatechangeandfloodingonsanitarysewagesystemusingswmmsimulationacasestudy AT waqedhammedhassan modelingtheimpactsofclimatechangeandfloodingonsanitarysewagesystemusingswmmsimulationacasestudy
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Modeling the impacts of climate change and flooding on sanitary sewage system using SWMM simulation: A case study

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