A multi-objective mathematical model of a water management problem with environmental impacts: An application in an irrigation project.

The study proposes applying an efficient but straightforward multi-objective constrained optimization model for optimal water allocation among irrigation and environmental sectors. The model has been implemented in the Muhuri Irrigation Project (MIP), Bangladesh, where the irrigation systems lead to...

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Autores principales:	G M Wali Ullah, Micah Nehring
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/5f8bbe79040143d7aca518d1ba162756
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spelling	oai:doaj.org-article:5f8bbe79040143d7aca518d1ba1627562021-12-02T20:15:19ZA multi-objective mathematical model of a water management problem with environmental impacts: An application in an irrigation project.1932-620310.1371/journal.pone.0255441https://doaj.org/article/5f8bbe79040143d7aca518d1ba1627562021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0255441https://doaj.org/toc/1932-6203The study proposes applying an efficient but straightforward multi-objective constrained optimization model for optimal water allocation among irrigation and environmental sectors. The model has been implemented in the Muhuri Irrigation Project (MIP), Bangladesh, where the irrigation systems lead to unjustifiable use of groundwater. This study explores how water can be optimised to increase agricultural production and sustain the local environment in the MIP. Hence, the paper has two objectives-to maximise the net return and minimise the deficit in environmental flow. The study uses a Non-Dominating Sorting Genetic Algorithm, NSGA-II, to solve the research problem. Results indicate that crops more profitable to trade should be cultivated. Furthermore, the rainfall has more impact on the net return and environmental flow deficit than water inflow. The findings of this study can help plan irrigation water and cropland resources and be a reference for further studies.G M Wali UllahMicah NehringPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 8, p e0255441 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q G M Wali Ullah Micah Nehring A multi-objective mathematical model of a water management problem with environmental impacts: An application in an irrigation project.
description	The study proposes applying an efficient but straightforward multi-objective constrained optimization model for optimal water allocation among irrigation and environmental sectors. The model has been implemented in the Muhuri Irrigation Project (MIP), Bangladesh, where the irrigation systems lead to unjustifiable use of groundwater. This study explores how water can be optimised to increase agricultural production and sustain the local environment in the MIP. Hence, the paper has two objectives-to maximise the net return and minimise the deficit in environmental flow. The study uses a Non-Dominating Sorting Genetic Algorithm, NSGA-II, to solve the research problem. Results indicate that crops more profitable to trade should be cultivated. Furthermore, the rainfall has more impact on the net return and environmental flow deficit than water inflow. The findings of this study can help plan irrigation water and cropland resources and be a reference for further studies.
format	article
author	G M Wali Ullah Micah Nehring
author_facet	G M Wali Ullah Micah Nehring
author_sort	G M Wali Ullah
title	A multi-objective mathematical model of a water management problem with environmental impacts: An application in an irrigation project.
title_short	A multi-objective mathematical model of a water management problem with environmental impacts: An application in an irrigation project.
title_full	A multi-objective mathematical model of a water management problem with environmental impacts: An application in an irrigation project.
title_fullStr	A multi-objective mathematical model of a water management problem with environmental impacts: An application in an irrigation project.
title_full_unstemmed	A multi-objective mathematical model of a water management problem with environmental impacts: An application in an irrigation project.
title_sort	multi-objective mathematical model of a water management problem with environmental impacts: an application in an irrigation project.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/5f8bbe79040143d7aca518d1ba162756
work_keys_str_mv	AT gmwaliullah amultiobjectivemathematicalmodelofawatermanagementproblemwithenvironmentalimpactsanapplicationinanirrigationproject AT micahnehring amultiobjectivemathematicalmodelofawatermanagementproblemwithenvironmentalimpactsanapplicationinanirrigationproject AT gmwaliullah multiobjectivemathematicalmodelofawatermanagementproblemwithenvironmentalimpactsanapplicationinanirrigationproject AT micahnehring multiobjectivemathematicalmodelofawatermanagementproblemwithenvironmentalimpactsanapplicationinanirrigationproject
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A multi-objective mathematical model of a water management problem with environmental impacts: An application in an irrigation project.

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