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Provedor de dados:  70
País:  Brazil
Título:  Potential of utilization of rain water excess for irrigation of green roofs in Mato Grosso, Brasil
Autores:  Vieira,Nathan L.
Queiroz,Tadeu M. de
Fagundes,Minéia C.
Data:  2013-08-01
Ano:  2013
Palavras-chave:  Water balance
Rainfall and sustainability
Resumo:  The aim of this study was to identify the relation between the evapotranspirometer demand and the supply of water from local rainfall, evaluating the possibility of using water excess for irrigation of Green Roofs in the State of Mato Grosso, in Brazil. The study was done using a series of historical data provided by the National Institute of Meteorology (INMET - Instituto Nacional de Meteorologia) which has official climatological stations in 12 cities and regions of the State. The evapotranspiration values were obtained by the Penman-Monteith method and by the Climatic Water Balance (CWB) by the Thornthwaite and Mather method using Available Water Capacity (AWC) of 12mm. With the CWB the excess and deficit were calculated, which were used for the estimative of the volume and area of a reservoir as a function of a collector area of a roof of 100m² and the volume of supplementary water for irrigation. With the obtained results, it was found that in most investigated regions of the State the use of green roofs is not compromised by the water deficiency. On the other hand, the use of a reservoir to accumulate the rain water excess may be impractical, because it requires a considerable area for installation and also because of the high cost of the land.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Editor:  Associação Brasileira de Engenharia Agrícola
Relação:  10.1590/S0100-69162013000400024
Formato:  text/html
Fonte:  Engenharia Agrícola v.33 n.4 2013
Direitos:  info:eu-repo/semantics/openAccess

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