Impact of water allocation oversight in irrigation systems: an agent-based model approach

Abstract As access to water is a right of all people, government agents are responsible to allocate water to guarantee its sustainable use for multiple users. However, deciding the best allocation strategy is not a straightforward task. In complex systems, which depend on a collection of individual...

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Main Authors: Yan Ranny Machado Gomes, Christopher Freire Souza, Augusto Hugo Farias da Cunha, Suzana Maria Gico Lima Montenegro
Format: Article
Language:English
Published: Associação Brasileira de Recursos Hídricos 2023-11-01
Series:Revista Brasileira de Recursos Hídricos
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2318-03312023000100237&lng=en&tlng=en
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author Yan Ranny Machado Gomes
Christopher Freire Souza
Augusto Hugo Farias da Cunha
Suzana Maria Gico Lima Montenegro
author_facet Yan Ranny Machado Gomes
Christopher Freire Souza
Augusto Hugo Farias da Cunha
Suzana Maria Gico Lima Montenegro
author_sort Yan Ranny Machado Gomes
collection DOAJ
description Abstract As access to water is a right of all people, government agents are responsible to allocate water to guarantee its sustainable use for multiple users. However, deciding the best allocation strategy is not a straightforward task. In complex systems, which depend on a collection of individual decisions by people, water policies may have unpredictable impacts. Considering the water allocation in a water canal, we present an agent-based model that allocates water and incorporates an agents’ adaptability behaviour strategy of overriding the manager's decision when water right is denied. We compared scenarios of farmers' override susceptibility and of water availability on the Canal do Sertão in the state of Alagoas, northeastern Brazil. In the scenario of reduced water capacity, agents with water rights in the last segments of the canal were unable to withdraw water due to agents who withdrew illegally. The sustainability of the system proved to be sensitive to the level of susceptibility of capturing water illegally, deserving attention and investments in the oversight sector. Besides this effect, the model can be applied to assess and compare advantages and impacts on the water levels for different water policies such as financial subsidies or different water allocation strategies.
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spelling doaj.art-c99b86f92e9d4ff89003952982056ad82023-11-28T07:47:41ZengAssociação Brasileira de Recursos HídricosRevista Brasileira de Recursos Hídricos2318-03312023-11-012810.1590/2318-0331.282320230065Impact of water allocation oversight in irrigation systems: an agent-based model approachYan Ranny Machado Gomeshttps://orcid.org/0000-0002-2375-541XChristopher Freire Souzahttps://orcid.org/0000-0001-7054-1388Augusto Hugo Farias da Cunhahttps://orcid.org/0000-0003-2042-2377Suzana Maria Gico Lima Montenegrohttps://orcid.org/0000-0002-2520-5761Abstract As access to water is a right of all people, government agents are responsible to allocate water to guarantee its sustainable use for multiple users. However, deciding the best allocation strategy is not a straightforward task. In complex systems, which depend on a collection of individual decisions by people, water policies may have unpredictable impacts. Considering the water allocation in a water canal, we present an agent-based model that allocates water and incorporates an agents’ adaptability behaviour strategy of overriding the manager's decision when water right is denied. We compared scenarios of farmers' override susceptibility and of water availability on the Canal do Sertão in the state of Alagoas, northeastern Brazil. In the scenario of reduced water capacity, agents with water rights in the last segments of the canal were unable to withdraw water due to agents who withdrew illegally. The sustainability of the system proved to be sensitive to the level of susceptibility of capturing water illegally, deserving attention and investments in the oversight sector. Besides this effect, the model can be applied to assess and compare advantages and impacts on the water levels for different water policies such as financial subsidies or different water allocation strategies.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2318-03312023000100237&lng=en&tlng=enHydrocomplexitySociohydrologyMesa
spellingShingle Yan Ranny Machado Gomes
Christopher Freire Souza
Augusto Hugo Farias da Cunha
Suzana Maria Gico Lima Montenegro
Impact of water allocation oversight in irrigation systems: an agent-based model approach
Revista Brasileira de Recursos Hídricos
Hydrocomplexity
Sociohydrology
Mesa
title Impact of water allocation oversight in irrigation systems: an agent-based model approach
title_full Impact of water allocation oversight in irrigation systems: an agent-based model approach
title_fullStr Impact of water allocation oversight in irrigation systems: an agent-based model approach
title_full_unstemmed Impact of water allocation oversight in irrigation systems: an agent-based model approach
title_short Impact of water allocation oversight in irrigation systems: an agent-based model approach
title_sort impact of water allocation oversight in irrigation systems an agent based model approach
topic Hydrocomplexity
Sociohydrology
Mesa
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2318-03312023000100237&lng=en&tlng=en
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AT christopherfreiresouza impactofwaterallocationoversightinirrigationsystemsanagentbasedmodelapproach
AT augustohugofariasdacunha impactofwaterallocationoversightinirrigationsystemsanagentbasedmodelapproach
AT suzanamariagicolimamontenegro impactofwaterallocationoversightinirrigationsystemsanagentbasedmodelapproach