Abstract:RESUMO Este artigo descreve e discute os métodos usados, as dificuldades encontradas e os resultados obtidos em um programa de racionalização do uso da água desenvolvido por um programa de pesquisa da Universidade Federal da Bahia. Na universidade, foi alcançada redução de até 49% no consumo per capita. No aeroporto e em um shopping center de Salvador foram identificados cenários de reduções ainda maiores. Pesquisa de opinião justifica a admissão de alternativas inovadoras de grande impacto. Em um conjunto de … Show more
“…In the city of Itabuna, the conventional model of water resources' management, which is considered unsustainable, predominates [11,12,85]. This is characterized by the emphasis on water supply management, rather than demand management or a systemic approach.…”
Section: Water Resources Management Model In the Municipality Of Itabunamentioning
Humans have historically chosen to develop their cities close to rivers due to the need for water and food security. In Brazil, water security represents a growing challenge, despite advances in the National Water Resources Management System. While municipalities are responsible for integrating the various public policies that impact urban rivers, such as the environment, basic sanitation, and urban planning, only states and the federal government, along with watershed committees, have a formal role in the National Water Resources Management System. The goal of this paper is to assess the Brazilian water governance system from the perspective of municipalities. The OECD water governance framework is applied to a medium-sized Brazilian municipality (c. 200,000 inhabitants), Itabuna, Bahia state, through perception-based and objective data. Studies dealing with water governance do not address this reality, despite representing more than 90% Brazilian municipalities and approximately half of the country’s population. Several water governance failures were identified, such as connections between administrative and political failures, which highlight the tragic consequences of hydrological issues in this region. Developing integrated water resources’ management, as fixed in national and state laws, depends on the effective participation of the municipality. This study discusses the importance of water governance at the municipal scale.
“…In the city of Itabuna, the conventional model of water resources' management, which is considered unsustainable, predominates [11,12,85]. This is characterized by the emphasis on water supply management, rather than demand management or a systemic approach.…”
Section: Water Resources Management Model In the Municipality Of Itabunamentioning
Humans have historically chosen to develop their cities close to rivers due to the need for water and food security. In Brazil, water security represents a growing challenge, despite advances in the National Water Resources Management System. While municipalities are responsible for integrating the various public policies that impact urban rivers, such as the environment, basic sanitation, and urban planning, only states and the federal government, along with watershed committees, have a formal role in the National Water Resources Management System. The goal of this paper is to assess the Brazilian water governance system from the perspective of municipalities. The OECD water governance framework is applied to a medium-sized Brazilian municipality (c. 200,000 inhabitants), Itabuna, Bahia state, through perception-based and objective data. Studies dealing with water governance do not address this reality, despite representing more than 90% Brazilian municipalities and approximately half of the country’s population. Several water governance failures were identified, such as connections between administrative and political failures, which highlight the tragic consequences of hydrological issues in this region. Developing integrated water resources’ management, as fixed in national and state laws, depends on the effective participation of the municipality. This study discusses the importance of water governance at the municipal scale.
“…The adoption of essential measures to reduce water consumption rose in the most different sectors of society. Among the most used strategies is the water use monitoring with frequent analysis of variations, which allows quick detection of leaks, water-saving devices, preventive maintenance and water source substitution, such as rainwater harvesting (ABU-BAKAR et al, 2021;JAVANMARD et al, 2020;MARINHO et al, 2019;SOARES et al, 2019;WU et al, 2020). In HEIs, users' awareness (students and employees) and the commitment from top management are other important aspects with an impact on water consumption reduction.…”
Section: Introductionmentioning
confidence: 99%
“…In HEIs, users' awareness (students and employees) and the commitment from top management are other important aspects with an impact on water consumption reduction. The latter is one of the main factors of solidity and success of initiatives that aim to impact the academic community (MARINHO et al, 2019;SOARES et al, 2019).…”
In 2015, the water crisis affecting the São Paulo Metropolitan Region reached its peak. The Federal Government published an Ordinance stablishing good practices in the management and use of water and electricity. This work aimed to verify if the management actions performed at the Universidade Federal de São Paulo were effective for water consumption reduction. It was analyzed secondary data of the monthly water consumption at campuses and Rectory, from 2014 to 2016. Statistical analyses were carried out comparing the water consumption between the periods pre- and post-intervention, which occurred in February 2015. The results show that the intervention reduced per capita water consumption by 33% in 2015 and 35% in 2016, saving up more than 65,000 m3 of water. These management actions were effective, and helped the academic population to achieve a more efficiently use of water and financial resources, becoming more sustainable.
Knowing water and energy consumption patterns sets the baseline for understanding their drivers and assessing the performance of potential measures to increase efficiency and/or reliability. These patterns can vary substantially depending on the building characteristics, on the building users and use, on the cultural, social, economic, environmental context in which the building is located, among many other factors. This article presents a general methodological framework for characterizing water and energy consumption patterns in buildings based on the evaluation of the characteristics of the equipments and appliances, as well as the type of users and the activities developed in each type of room. This allows estimating water and energy use, by end use per square meter and by roomtype. The methodological framework proposed was applied to the buildings of the Paricarana Campus of Federal University of Roraima (UFRR), Brazil, providing one of the few examples in the literature reporting water and energy consumption in university buildings in tropical climates. Universities, in most cases, represent large water and energy consumers with distinctive consumption drivers and patterns which have received limited attention when compared to other types of buildings (e.g., residential). The findings have shown that teaching rooms and administration rooms are the main consumers, representing 48% and 49% of the institution's energy and water consumption, respectively. Air conditioning is the biggest energy consumption (63%), while personal use represents 72% of the total water consumption in a building. The toilets represent a large water consumption in a university building (46.40%). Comparing different building uses, the central library is the highest consumer, due to the longest operating time and the highest occupational density. The methodological proposal intends to be a useful tool to support managers and decision-makers to understand the dynamics of consumption and then propose effective practices to reduce water and energy uses, as well as providing reference data for comparison with other educational institutions.
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