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|Type:||Artigo de periódico|
|Title:||Definition Of Homogeneous Areas For The Availability Of Water Resources Based On The Landscape Ecology Approach [definição De áreas Homogêneas Para A Disponibilidade De Recursos Hídricos Baseada Na Abordagem Da Ecologia Da Paisagem]|
Valerio Filho M.
|Abstract:||The current work aims to define potential areas to water resources availability. In this matter it is important to understand the water cycle and its interactions. This understanding regards a group of different elements which composes the landscape, as relief, vegetal covertures, rainfall, soil and rocks. These elements are found in nature with different aspects and behaviors. A methodological proposal was developed in this paper based on Landscape Ecology approach. It was given qualitative values and relative weights according to the potential participation in the infiltration processes. Right after the suggested values had jointed in "vertical" form, and the results were divided in classes. Space analysis, storage and data integration were made by Geographical Information System (GIS). The proposed method allows evaluating local water availability subsiding action in certain potential areas, which may be reforested and controlled. The studied area presents a portion of Paraíba do Sul river basin, Sao Paulo - Brazil. Results present good areas for water infiltration; however the landuse occupation (as pasture and sparse vegetation areas) of these potential areas does not contribute to reservoir groundwater storage and to maintenance of rivers base flow in dry seasons. This kind of landuse provokes also superficial flow and erosion in the region. These studies detected yet strong trend to occupy these potential of infiltration areas by eucalyptus plantation.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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