Determination of river design discharge (Tar River case study)

Rivers are usually exposed to floods that cause significant human and financial loss, for which structures are considered in the rivers for preventing floods and reducing damage. In this way, it is necessary to acquire design discharge for building these structures. The case study was conducted on t...

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Autores principales:	Mohammad Sharifi, Mohammad Reza Majdzadeh Tabatabai, Seyed Hossein Ghoreishi Najafabadi
Formato:	article
Lenguaje:	EN
Publicado:	IWA Publishing 2021
Materias:	bankfull discharge dominant discharge effective discharge manning coefficient river, sediment measurement curve Environmental technology. Sanitary engineering TD1-1066 Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/cfc369f1af0e4b1aa11a30e69b2ac179
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spelling	oai:doaj.org-article:cfc369f1af0e4b1aa11a30e69b2ac1792021-11-05T18:31:26ZDetermination of river design discharge (Tar River case study)2040-22442408-935410.2166/wcc.2020.278https://doaj.org/article/cfc369f1af0e4b1aa11a30e69b2ac1792021-03-01T00:00:00Zhttp://jwcc.iwaponline.com/content/12/2/612https://doaj.org/toc/2040-2244https://doaj.org/toc/2408-9354Rivers are usually exposed to floods that cause significant human and financial loss, for which structures are considered in the rivers for preventing floods and reducing damage. In this way, it is necessary to acquire design discharge for building these structures. The case study was conducted on the Tar River of Ghazi Station in Tehran Province, which originates from 1 km west of Tar Lake in 13 km east of Damavand. The Tar River is one of the tributaries of Damavand River. In this study, the cross section of the river was first measured through surveying and existing maps. The design discharge of flood control structures was designed using the methods described in this study. Moreover, the stage-discharge table was used to obtain the Manning roughness coefficient. The effective discharge was calculated using the sediment rating curve and sediment frequency histogram, while the bankfull discharge was derived from the return period of 17 years discharge record and fitting of Gumbel distribution to the data. The results indicated that the average of dominant, effective, and bankfull discharges could be the appropriate design discharge for the river, as their values are significantly close to each other. However, there is no need to use flood control structures in this river, due to the occurrence of medium frequent flood events in the river.Mohammad SharifiMohammad Reza Majdzadeh TabatabaiSeyed Hossein Ghoreishi NajafabadiIWA Publishingarticlebankfull dischargedominant dischargeeffective dischargemanning coefficientriver, sediment measurement curveEnvironmental technology. Sanitary engineeringTD1-1066Environmental sciencesGE1-350ENJournal of Water and Climate Change, Vol 12, Iss 2, Pp 612-626 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	bankfull discharge dominant discharge effective discharge manning coefficient river, sediment measurement curve Environmental technology. Sanitary engineering TD1-1066 Environmental sciences GE1-350
spellingShingle	bankfull discharge dominant discharge effective discharge manning coefficient river, sediment measurement curve Environmental technology. Sanitary engineering TD1-1066 Environmental sciences GE1-350 Mohammad Sharifi Mohammad Reza Majdzadeh Tabatabai Seyed Hossein Ghoreishi Najafabadi Determination of river design discharge (Tar River case study)
description	Rivers are usually exposed to floods that cause significant human and financial loss, for which structures are considered in the rivers for preventing floods and reducing damage. In this way, it is necessary to acquire design discharge for building these structures. The case study was conducted on the Tar River of Ghazi Station in Tehran Province, which originates from 1 km west of Tar Lake in 13 km east of Damavand. The Tar River is one of the tributaries of Damavand River. In this study, the cross section of the river was first measured through surveying and existing maps. The design discharge of flood control structures was designed using the methods described in this study. Moreover, the stage-discharge table was used to obtain the Manning roughness coefficient. The effective discharge was calculated using the sediment rating curve and sediment frequency histogram, while the bankfull discharge was derived from the return period of 17 years discharge record and fitting of Gumbel distribution to the data. The results indicated that the average of dominant, effective, and bankfull discharges could be the appropriate design discharge for the river, as their values are significantly close to each other. However, there is no need to use flood control structures in this river, due to the occurrence of medium frequent flood events in the river.
format	article
author	Mohammad Sharifi Mohammad Reza Majdzadeh Tabatabai Seyed Hossein Ghoreishi Najafabadi
author_facet	Mohammad Sharifi Mohammad Reza Majdzadeh Tabatabai Seyed Hossein Ghoreishi Najafabadi
author_sort	Mohammad Sharifi
title	Determination of river design discharge (Tar River case study)
title_short	Determination of river design discharge (Tar River case study)
title_full	Determination of river design discharge (Tar River case study)
title_fullStr	Determination of river design discharge (Tar River case study)
title_full_unstemmed	Determination of river design discharge (Tar River case study)
title_sort	determination of river design discharge (tar river case study)
publisher	IWA Publishing
publishDate	2021
url	https://doaj.org/article/cfc369f1af0e4b1aa11a30e69b2ac179
work_keys_str_mv	AT mohammadsharifi determinationofriverdesigndischargetarrivercasestudy AT mohammadrezamajdzadehtabatabai determinationofriverdesigndischargetarrivercasestudy AT seyedhosseinghoreishinajafabadi determinationofriverdesigndischargetarrivercasestudy
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Determination of river design discharge (Tar River case study)

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