publicações selecionadas Seismic architecture of the tidal channel system of Galinhos, equatorial Atlantic, Brazil Schwermineralunterschungen im palaozoikum der ost- und Zentralpirynean (Frankreich, Spanien) Late Holocene evolution of the Parnaíba River Delta (Brazilian Equatorial Margin): Evidence of lobe switching process from mineralogical analysis and age dating on sediment cores Evaluation of decadal shoreline changes along the Parnaíba Delta (NE Brazil) using satellite images and statistical methods