MONITORING OF THE DOSAGE TEMPERATURE OF THE VEGETATION OF THE NATIONAL PARK OF ITATIAIA, RJ, BRAZIL
Atlantic forest, continental surface temperature, flow tower.
Forest canopies are responsible for a significant portion of the gaseous and vapor exchange of atmospheric water, having important influence on the global climate balance. The canopy temperature analysis gives an indication of the physiological behavior of the vegetation in relation to climatic variations. Orbital surface temperature data, such as the Moderate Resolution Imaging Spectroradiometer sensor products, can be used to measure canopy temperature in agricultural and forest ecosystems. However, uncertainties related to the accuracy of orbital data make validation of these products an essential step in establishing their applicability. In view of the above, this research project aims to validate the data of temperature of the terrestrial surface, through the infrared sensor installed at 27.5 meters in the flow tower with the data of products derived from the Moderate Resolution Imaging Spectroradiometer sensor for the National Park of Itatiaia, and to analyze the spatial and temporal variation of the surface temperature in different classes of vegetation cover. It is expected that this study will indicate the applicability of the surface temperature data obtained by orbital data to the Itatiaia National Park area, the understanding of the vegetation behavior in relation to the canopy temperature variations, the optimization of the environmental monitoring of the park and in stimulating future research on fires and climate changes in forest ecosystems, especially the Atlantic Forest.