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Avaliação do impacto da variação da renda no consumo domiciliar de água / Evaluation of the income variation impact on household water consumption
Dias, David Montero; Martinez, Carlos Barreira; Libânio, Marcelo.
  • Dias, David Montero; s.af
  • Martinez, Carlos Barreira; s.af
  • Libânio, Marcelo; s.af
Eng. sanit. ambient ; 15(2): 155-166, jun. 2010. graf, tab
Article in Portuguese | LILACS | ID: lil-561320
RESUMO
Este trabalho objetivou avaliar o impacto que a alteração da renda das famílias exerce sobre o consumo de água tratada fornecida pela concessionária (no caso, a Companhia de Saneamento de Minas Gerias - Copasa) no município de Belo Horizonte, ao longo de um histórico de 35 meses, abrangendo o período de agosto de 2003 a junho de 2006. Para tal, utilizaram-se dados da Pesquisa Mensal de Emprego (PME) do Instituto Brasileiro de Geografia e Estatística (IBGE), englobando 3.100 domicílios e 10.200 moradores, e os consumos residenciais micromedidos dos 6 distritos operacionais da Copasa. Os dados foram observados em seus períodos de forma que houvesse a compatibilização cronológica entre os mesmos. Os resultados mostraram relação intrínseca entre o consumo per capita e a renda mensal, balizados pelos gráficos de dispersão e pelos significativos coeficientes de determinação obtidos (superiores a 0,8), além do prognóstico de saturação do consumo demonstrado para classes sociais economicamente mais favorecidas.
ABSTRACT
This work aimed to investigate the role of income variation on household water consumption supplied by the dealership (in this case, the water supply and sanitation services of Minas Gerais, Brazil - Copasa) in the urban area of Belo Horizonte, based on data spanning a period of 35 months (from August 2003 to June 2006). For this, data of the Monthly Employment Survey (PME, acronym in Portuguese) of the Brazilian Institute of Geography and Statistics (IBGE, acronym in Portuguese) were used, comprising 3,100 households with their 10,200 dwellers, and the household water consumption of the 6 operatinal districts of the Copasa. The household water consumption data were defined in order to allow the water consumption observation period to coincide with the social economic data. The results pointed out clearly that the household water consumption is strongly linked with the economical condition of the served population. This aspect was evident by means of the observation of spatial distribution and water consumption scattered related to the social economic characteristics and was supported by the highest coefficients of determination (R² > 0.8) obtained and the predictable water consumption saturation for the more prosperous social economic classes.

Full text: Available Index: LILACS (Americas) Type of study: Prognostic study Language: Portuguese Journal: Eng. sanit. ambient Journal subject: Environmental Health / Public Health Year: 2010 Type: Article / Project document

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Full text: Available Index: LILACS (Americas) Type of study: Prognostic study Language: Portuguese Journal: Eng. sanit. ambient Journal subject: Environmental Health / Public Health Year: 2010 Type: Article / Project document