Utilização de software livre na ánalise de temperatura e uso do solo, para região de Ribeirão Preto

Abstract

The use of remote sensing techniques in recent years has become increasingly constant in the research on a vegetation cover, directing as more varied applications, especially when analyzing and identifying patterns of change not studied locally in a clear and objective way, aiming to acquire knowledge in areas of difficult access. The efficiency of data collection is essentially based on low-cost meteorological data. The present work had as objective to analyze an influence of the different uses and occupation of soil in the surface of the municipality of Ribeirão Preto (21 ° 10'39 "S, 47 ° 48'37" W, 546 m), through images of Do Landsat 8 satellite captured on 10/26/2013, 9/11/2014 and 10/16/2015. For the geoprocessing of the images, the Qgiz software was used. The thermal module used for transforming gray levels into degrees Celsius. Six classes of use were analyzed: Native Forest, Sugar Cane Agriculture, Mining Area, Water Body, Urban Loop and Riparian Forest. As different classes of land use and occupation directly influence the apparent temperature observed, evidencing that the areas with greater availability of water and vegetation can influence the mitigation of the effects of thermal anomalies.