SURFACE TEMPERATURE AND ALBEDO IN THE ILHA SOLTEIRA REGION, SÃO PAULO
The main purpose was to perform a dynamic analysis in the fields of soil heat flux, albedo and surface temperature, with a 10-year interval, for the region of Ilha Solteira. The data used were obtained through multispectral images from TM Landsat 5’s sensor, corresponding to orbit 222, point 74, for May 13, 2000 and April 10, 2011. Using the results obtained, the surface albedo was estimated with minimum values of 3.7% and a maximum of 53.2% for May 13, 2000 and minimum values of 2.0 and a maximum of 58.4% for April 10 2011, showing an increase in the surface reflexivity of the study area. With the increase of the surface albedo, the mean surface temperature rose from 24.5°C, in 2000, to 25.2°C, in 2011, a rise of 0.7°C. For soil heat flux, the variations were of 62.9 W.m-2 in May 13, 2000, to 58.0 W.m-2 in April 10, 2011, revealing a greater heat retention in the soil.
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