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Surface coverings in low terraces marine and fluviomarine on coastal plain of River Paraíba do Sul: geochronology and the impacts resulting of Açu port construction

Grant number: 17/26876-0
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): November 01, 2018
Status:Discontinued
Field of knowledge:Physical Sciences and Mathematics - Geosciences - Physical Geography
Principal researcher:Archimedes Perez Filho
Grantee:Luca Lammle
Home Institution: Instituto de Geociências (IG). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Associated scholarship(s):21/09333-9 - Geotechnologies usage in paleoenvironmental studies: comparison between natural and anthropic aspects of Brazil and Italy, BE.EP.DR

Abstract

The research project contemplates studies developed in the elaboration of the doctoral production to the graduate measure of the State University of Campinas, under the guidance of Prof. Dr. Arquimedes Perez Filho, a series of projects with project APR 2016/053276. The general objective of this work is to obtain absolute ages of surface coverings by means of LOE - Optically Stimulated Luminescence data on low terraces Marine and Fluviomarine, located on the coastal plain of the Paraíba do Sul river, correlating with Holocene climatic pulsations resulting from change in the base level and its relationship with the construction of the Açu Port. The specific objectives are to identify and analyze the surface coverings at different levels of low terraces Marine and Fluvialmarine in the holocene from a geomorphological and geochronological approach; to elaborate environmental scenarios from absolute ages obtained through LOE and to correlate with possible changes as of the implementation of Açu Port; and to project the consequences of the implementation of the enterprise in the changes of the coastline and sedimentary dynamics.The hypothesis is that the spatialization of different levels of low marine and fluvial terraces present in the coastal plain of the Paraíba do Sul/Rio River are the result of changes in the base level related to transgressions and marine regressions due to Holocene climatic pulsations. The construction of the Açu Port will alter the natural process of sedimentary circulation and compartmentalization of the coastal plain of the Paraíba do Sul River in the long term. To achieve the objectives, the identified and spatialized low through the analysis of orbital and non-orbital images and field work. Morphometric indentified methodologies, absolute sedimentological and informative studies of surface coverings on terraces through Optically Stimulated Luminescence (OSL). Finally, it is mentioned that the results of this research, associated to other works related to the theme, will allow a better understanding of the geomorphological dynamics, especially regarding the evidences of Holocene climatic pulses. (AU)

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