Silting Up
Mostrando 1-6 de 6 artigos, teses e dissertações.
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1. Impacto de condicionantes hidrológicas na definição de traçados rodoviários : aplicação na rodovia TO-247
The contribution of this research is given by the design of effective impacts of highways, through the expansion of the influence areas beyond the linear tracks, adding the assessment of the environmental sensitivity of watersheds in order to optimize the layout of road projects. It was produced an orderly and systematic approach of the cause and consequence
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 2011
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2. Estuário do rio Acaraú: Impactos ambientais e implicações na qualidade dos recursos hídricos. / Acaraú River Estuary: Environmental impacts and implications for the quality of water resources.
Estuaries are environments of transition between the continents and the oceans. They shelter great diversity of aquatic fauna and significant mangrove ecosystem. However they are especially frail environments, being more vulnerable than other environments In this sense, the place of this research is the region that encloses Acarau river estuary and its outsk
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 25/04/2008
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3. Urban expansion and geomorfological expansion in backwater of reservatories: comparative analisis of two drainage basins that are in the source of Guarapiranga, São Paulo / Expansão urbana e evolução geomorfológica em remansos de reservatórios: análise comparativa de duas bacias hidrográficas em guarapiranga, São Paulo
The environmental problems created by the accelerated urban growth in the last fifty years have brought severe consequences to the group of people living in big urban centers. For this reason many scientists, mainly in the field of Earth sciences, have searched the development of new techniques, methodologies and parameters to measure, recognize and attenuat
Publicado em: 2006
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4. A influÃncia do uso, da ocupaÃÃo e da conservaÃÃo do solo na qualidade da Ãgua de abastecimento: o caso da bacia hidrogrÃfica do Lago Descoberto
The objective of this study was to demonstrate the direct relation of the use, occupation and inadequate handling of the soil with the degradation of the quality of water and the silting up of the most important reservoir for the public supplying of the Federal District, that is the Lago Descoberto. The intensive use of the soil in the cultivation of vegetab
Publicado em: 2004
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5. Diagnose of water use on irrigation of crops in hydrological basin of Jundiai-Mirim river / SP / Diagnostico do uso da agua na irrigação de culturas na bacia do Rio Jundiai-Mirim / SP
Recent researches demonstrate that the use of water for agriculture represents 60% of total consumption of freshwater in Brazil and that many irrigation systems do not have any control of the use of water for this activity. Also, it is estimated that 40% of the water applied in irrigation is misused by percolation and superficial drainage, what generates a g
Publicado em: 2004
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6. Tolerancia a inundação e aspectos demograficos de Inga affinis Dc
Although protected by legislation since 1934 the forests along river margins, i.e. Gallery Forests, are still being cut and/or burnt in the interior of the State of São Paulo. The destriction of these forests result in irreversible environmentaI damages, such as soil erosion and silting UP the rivers and water reservoirs. The preservation and management of
Publicado em: 1990