Encontrados 18 documentos, a visualizar página 1 de 2
An exploratory study on the influence of socio-demographic characteristics on w...
Matos, Cristina; Teixeira, Carlos A.; Bento, Ricardo; Varajão, João; Bentes, IsabelAny strategy of water demand management needs the collaboration of the population involved and so it is important to know how characteristics as residence area, number of residents, presence/absence of children/elders, income level, and educational level, among others, may influence the use of water. Empirical studies that quantify relationship between socio-demographic factors and the water end use patterns in...
Academics perception towards various water reuse options : University of Trás-o...
Matos, Cristina; Friedler, Eran; Monteiro, Ana; Rodrigues, André; Teixeira, Rita; Bentes, Isabel; Varajão, JoãoAny strategy of water reuse has to achieve social acceptance to be successful. This paper presents the results of a multiple choice survey that attempted to establish the general attitude toward water reuse by asking academics in UTAD (Portugal) a wide range of questions. The survey included 20 reuse options, which were clustered into three reuse categories, specifically: low, medium and high contact levels. Co...
Sectoral indices to evaluate the sustainability of wastewater utilities
Granja, Célia; Duarte, António A. L. Sampaio; Ramísio, Paulo J.; Ramos, Rui A. R.; Bentes, IsabelWastewater systems are a structural part of public utilities and as such are vital to the general wellbeing, public health, economic activities and environment protection. These services, with the primary objective of protecting the interests of users, shall be governed by principles of universality of access, continuity and quality of service, efficiency, equity and sustainability of price. The aim of this pap...
TV WPN : programa de cálculo automático para análise da vulnerabilidade de rede...
Varajão, João; Rodrigues, Tiago; Duarte, António A. L. Sampaio; Varum, Humberto; Pinto, Jorge; Bentes, IsabelA aplicação da teoria da vulnerabilidade a redes de abastecimento de água reais é um procedimento complexo e moroso, tornando imperativo o desenvolvimento de ferramentas informáticas que agilizem e automatizem esse processo. O programa de cálculo automático que está a ser desenvolvido, designado por TV WPN (Theory of Vulnerability of Water Pipe Networks), constitui um importante estímulo à inclusão do estudo da...
Risco de cenários de dano vulneráveis de redes de abastecimento de água
Pinto, Jorge; Varum, Humberto; Duarte, António A. L. Sampaio; Afonso, Luís; Varajão, João; Bentes, IsabelNeste trabalho propõe-se uma metodologia integrada para a quantifi cação do risco associado a cenários de dano de redes de abastecimento de água, baseada na teoria da vulnerabilidade, com quantificação das consequências associadas às perdas da rede, para cada cenário identifi cado. A identifi cação das vulnerabilidades e dos riscos inerentes a este tipo de sistemas poderão contribuir para os tornar mais robusto...
Characterization of greywater by appliance : pattern of discharge along the day
Matos, Cristina; Sampaio, Ana; Duarte, António A. L. Sampaio; Bentes, IsabelTo improve water resources sustainability it is imperative to consider different approaches of water management, such as water reuse strategies. Greywater decentralised reuse seems to be more advantageous than total wastewater reuse, since it is less polluted and so, it is easier and cheaper to treat. To guarantee the success of a greywater reuse strategy it is necessary to know in detail the available flow by ...
Study of retention-treatment basins in highways : case study of A24 (northern P...
Bentes, Isabel; Monteiro, Marisa; Duarte, António A. L. Sampaio; Pinto, Jorge; Matos, Cristina; Matos, ArlindoIn runoff water from highways are diluted several pollutants, that can affect groundwater resources, that depend on the traffic, as well as, on the automobile wear, type of road, infrastructure installed and waterproofing area. These discharges have impacts on the environment. To mitigate such impacts usually there are used retention/treatment basins. In this paper there was analyzed runoff water quality and th...
Contribution for the vulnerability assessment of water pipe network systems
Pinto, Jorge; Afonso, Luís; Varajão, João; Bentes, Isabel; Varum, Humberto; Duarte, António A. L. S.; Agarwal, JitendraWater pipe network systems are key public utilities which require being robust, protected and preserved. Knowing their weaknesses will help these processes. The theory of vulnerability of water pipe networks can contribute in this context because it is able to map the vulnerable parts of this type of system. The meaning of vulnerability has been defined as being the disproportionateness of the failure consequen...
Sustainability indicators of subsurface flow constructed wetlands in Portuguese...
Duarte, António A. L. Sampaio; Canais-Seco, Teresa; Peres, José A.; Bentes, Isabel; Pinto, JorgeThe discharge of untreated domestic wastewater in the receiving waters creates a negative and environmental impact, inversely proportional to its autodepuration ability. Conventional wastewater treatment plants involve large capital investments and operating costs, and could be economically unsustainable for small-medium communities. So, constructed wetlands as natural low-cost systems can be an appropriate alt...
Contribution for the vulnerability assessment of water pipe network
Pinto, Jorge; Afonso, Luís; Varajão, João; Bentes, Isabel; Varum, Humberto; Duarte, António A. L. Sampaio; Jitendra, AgarwalWater pipe network systems are key public utilities which require being robust, protected and preserved. Knowing their weaknesses will help these processes. The theory of vulnerability of water pipe networks can contribute in this context because it is able to map the vulnerable parts of this type of system. The meaning of vulnerability has been defined as being the disproportionateness of the failure consequen...
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