#lammoc

[umifani]

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[priscillanovello]

Surface Layer Study

The objective of this study is the validation of the Boundary Layer (BL) classic theory over Antarctica and study the patterns in the Antarctic region. Another point is to improve the Surface Layer (SL) equations for the Polar Regions in order to have a better representation of the wind fields in the SL of this region. The SL has a turbulent behavior and the major significant variations of momentum, heat and mass occur in the surface layer; hence their great influence on the entire structure of BL. In order to describe and predict the BL, fluid mechanics equations simulate the atmospheric gases dynamics. However, the equations present closure problems. Thereby, solutions were developed based on theories of similarity by Paulson (1970) that, afterwards, had their constants adjusted due to experimental data by Bisunger et. al (1971) and Dyer (1975). This set of solution is known as Businger-Dyer relations. However, the relationship studied do not represent BL in polar regions; Therefore, the models that use the parametrizations based on the theory of similiarity may not represent the global reality, since they are not applicable to the polar regions. In this way, many errors are added to the global climate prediction models that concern economies and policies across the world.