Wqi
Mostrando 13-21 de 21 artigos, teses e dissertações.
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13. Diagnóstico ambiental das águas do estuário Jundiaí-Potengi pela determinação dos índices de qualidade da água e toxidez
This study is an environmental diagnosis of the Jundiaí-Potengi/RN estuarine system waters, using calculations of pollution indicator indices such as the Water Quality Index (WQI) and the Toxicity Index (TI). The samples were collected at twelve points on the estuary, at high and low tide, between August and November 2007, over four campaigns. The study are
Publicado em: 2008
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14. Avaliação do efeito da piscicultura em sistemas aquáticos em Assis e Cândido Mota, São Paulo, por indicador de qualidade da água e análise estatítica multivariada
In this work, the impact of fish farming activities on the Queixada, Macuco and Pari-Veado Rivers in the Paranapanema watershed was evaluated. Physical, chemical and microbiological parameters were quantified in these aquatic systems followed by application of multivariate statistical analysis (MSA) and water quality index (WQI) tools. Watersheds where fish
Química Nova. Publicado em: 2007
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15. A construção de um indicador de qualidade de água para gestão de bacia hidrográfica usando análise fatorial
The increasing population and industrial growth of the last century has compromised the quantity and quality of water resources. Brazil has instituted a National Water Resources Policy and outlined a Water Resources Plan; therefore, there is now a necessity to procure tools and methodologies to execute these proposals. The present research applied a factoria
Publicado em: 2007
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16. Water quality assessement and water conditions for recreational use in basin of the Carrancas River - MG / AvaliaÃÃo da qualidade das Ãguas e condiÃÃes de balneabilidade na bacia do RibeirÃo de Carrancas-MG
The development of anthropogenic activities without an adequate planning has provided the degradation of waters quality, compromising the several uses of this natural resource, as its utilization for recreational use. In this context, the county of Carrancas, located in the southern area of Minas Gerais state, possesses various natural attractions, such as s
Publicado em: 2007
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17. Impacto da piscicultura sobre bacias hidrográficas de pequeno porte
The fast aquiculture expansion demands an assessment of the environment quality considering the impacts occurred on the water resources. Due to the importance of the fish farming activity in the Assis city of SP state, and the appropriate handling of the natural resources, this study intended to monitor the sub-basins of the Queixada and Macuco rivers to eva
Publicado em: 2006
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18. AvaliaÃÃo Ex â Post da Sustentabilidade HÃdrica e da ConservaÃÃo Ambiental de PerÃmetros Irrigados Implantados â O Caso do Distrito de IrrigaÃÃo Jaguaribe â Apodi â DIJA / Ex post evaluation water resorces sutentability and evanromental conservation of irrigatd projects implemented - the case of the Jaguaribe-Apodi Irrigation District (DIJA)
The Jaguaribe-Apodi Irrigation District (DIJA), in the state of the CearÃ, was founded aimed at producing food and substances cousins, to create jobs in agricultural businesses and urban-rural activities, to increase and to improve the income distribution and to create conditions for the conquest of the citizenship. This Perimeter was implanted in 1987, but
Publicado em: 2006
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19. DiagnÃstico ambiental do meio fÃsico da Bacia HidrogrÃfica do Rio JaboatÃo - PE / Ambient diagnosis of the environment of the HidrogrÃfica Basin of the River JaboatÃo - PE
The JaboatÃo hydrographic basin, located in the southern portion of Pernambuco State, encompass VitÃria de Santo AntÃo, Moreno, Jaboatao dos Guararapes, Cabo de Santo Agostinho, Recife e SÃo LourenÃo da Mata counties. Its drainage area cuts intensely occupied urban areas where several economic activities are developed. The inadequate land use and occupa
Publicado em: 2005
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20. Limonologia e qualidade ambiental de um corpo lêntico receptor de efluentes tratados da indústria de petróleo / Limnology and environmental quality of lagoon receiver petroleum effluents treated
Environmental pollution has become a subject of public interest throughout the world. Not only have developed countries been affected by environmental problems but also the developing nations have started to suffer from the serious impacts of pollution. Within this context it is necessary to collect simplified environmental data to assist in the management o
Publicado em: 2004
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21. Relações da atividade agropecuária com parâmetros físicos químicos da água
Water Quality Index (WQI) was used during summer and winter of 1994 and 1995 in the final section of Onça and Feijão streams, downstream Broa Reservoir (São Carlos/SP) to evaluate agricultural and catlleman effects. In Onça stream water quality was "acceptable" in winter and "inappropriate to conventional treatment" in the summer. In Feijão stream the w
Química Nova. Publicado em: 2000-10