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Fernandes, I., GPR investigations in support of prehistoric archeology in the area of influence of the hydroelectric Dardanelos, MT. In 2014. Thesis (Master) Institute of Astronomy, Geophysics and Atmospheric Sciences, University Of Sao Paulo, SP. In this research, GPR method was used to locate and map buried indigenous urns, aiming to guide and assist the archaeological excavations in order to guide protections acts of archaeological sites in the region directly affected by the hydroelectric of Dardanelos, near to Aripuanã, MT. A preliminary archaeological study would be necessary to investigate the presence of archaeological sites, because the area would go underwater, affecting any possible artifact present on the site. In the area of influence of the hydroelectric plant there was already a known site, the site of the Dardanelos, which is the subject of this research. The GPR data obtained with shielded antenna 200 MHz were processed and analyzed, and the results presented as 2D and 3D profiles in the form of depth-slices. After processing the GPR data anomalies were identified and interpreted to identify the targets of archeological interest and roots of trees, thus avoiding ambiguity in the characterization of targets of interest. The 3D analysis generated from the 2D reflection profiles allowed to differentiate clearly the targets of interest from the roots of trees, since they can display a more elongated pattern rather than punctual, as shown when we have an archaeological artifact. Further, by converting the travel time of the electromagnetic wave in depth, we can identify the depth of targets. This conversion also helps to clarify the ambiguities, since the roots are shallower and the artifacts are deeper.

Investigações GPR em apoio à arqueologia pré-histórica na área de influência do aproveitamento hidrelétrico de Dardanelos, MT