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Journal of cleaner production v.184, 2018년, pp.160 - 167   SCIE
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

Factors influencing water consumption in buildings in southern Brazil

Dias, Talita Flores (Santa Catarina State University (UDESC), Civil Engineering Department, 89219-710, Joinville, SC, Brazil ) ; Kalbusch, Andreza (Santa Catarina State University (UDESC), Civil Engineering Department, 89219-710, Joinville, SC, Brazil ) ; Henning, Elisa (Santa Catarina State University (UDESC), Mathematics Department, 89219-710, Joinville, SC, Brazil ) ;
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    Abstract This study aims to identify the factors influencing water consumption in residential buildings in the city of Joinville, in southern Brazil, through an analysis of socioeconomic variables of users and constructive variables of the building. Data were collected on water consumption, socioeconomic characteristics of the users and constructive characteristics of the buildings, from a sample dataset of 89 buildings including 3171 housing units. Two models describing consumption were identified from a multiple linear regression analysis by means of the stepwise method. The analysis showed there were several variables related to constructive aspects, including the alternative water supply system that were statistically significant in explaining both water consumption in buildings (in m³/month) and per capita water consumption (in liters per person per day). The model explains 87.41% of the water consumption in buildings in Joinville and 79.68% of the per capita consumption. After obtaining the models, water consumption was estimated on eight buildings that were not included in the sample dataset using two equations for water consumption in buildings and per capita water consumption. Leave-one-out cross validation complements the analysis. The two models feature reasonable explanatory and predictive capacity, displaying adjusted and predicted R 2 higher than 70%. The obtained results contribute to enhanced understanding of variables related to water consumption in residential buildings in southern Brazil, and may be useful to the authorities in developing sustainable policies. Highlights Water consumption in buildings of a southern Brazilian city was estimated using a statistical model. Validation was performed and the actual water consumption adheres to the prediction interval. Water consumption increases as the building ages and the further it is from the center of the city. Water consumption increases based on the size, occupation and the assessment value of the building. Per capita water consumption decreases based on water conservation measures.


  • 주제어

    Per capita water consumption .   Building water consumption .   Modelling.  

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