Sonia Tatumi

Datos Biográficos

ID3073491
NOMBRESonia Tatumi
NOMBRESSonia
APELLIDOTatumi
FIRMATATUMI S
AFILIACIONESSão Paulo State Technological College
ORCID0000-0002-4990-4444
VERIFICADOSí
TOTAL DE OBRAS13
TOTAL DE CITAS2
TOTAL COMO AUTOR13
TOTAL COMO EDITOR0
PRIMER AÑO DE PUBLICACIÓN1999
AÑO MÁS RECIENTE DE PUBLICACIÓN2026
ÍNDICE H1

  • Sedimentology and geochronology of aeolian deposits on the Middle Negro River, northern Amazon, Brazil

    Open AccessJefferson Jesus de Souza, Emílio Alberto Amaral Soares et al.ARTICLEQuaternary Research2026

    Fields of sandy paleodunes have been identified in Brazil, Colombia, Venezuela, and Guyana north of the South American continent. In this study, geochronological data obtained by optically stimulated luminescence (OSL) for paleodunes in the Middle Rio Negro region (Brazil) allowed the identification of two stages of dune deposition: the older from 169.74 ± 1.01 ka to 124.38 ± 0.91 ka and the younger from 18.89 ± 0.88 ka to 14.75 ± 0.77 ka. The ol…

  • Late Pleistocene lithostratigraphy and chronology of alluvial fan successions in the Tacutu graben (Boa Vista FM., Roraima, Brazil)

    Open AccessFábio Luiz Wankler, Emílio Alberto Amaral Soares et al.ARTICLEQuaternary International2026Referencias: 31

    The Boa Vista Formation covers much of the Tacutu Basin in the central portion of Roraima state, northern Brazil. The genesis of this formation has been linked to geological and paleoclimatic events in the Amazon, and its stratigraphic positioning has been controversial, mainly due to the scarcity of geochronological data. In this context, the present study focuses on the geomorphological and distributional aspects of this formation in the outcro…

  • Relative base level control on the evolution of a Holocene lagoon system and its impact on the interpretation of the relative sea level curve (southernmost Brazil)

    Open AccessVeridiana O Dos Santos, Paulo S G Paim et al.ARTICLEThe Holocene2025Referencias: 58

    Coastal lagoons occur worldwide, most common in microtidal regions. Lagoon beach ridges might be good indicators of relative sea level fluctuations as they are formed during stillstands of the closely related lagoonal base level. Therefore, the objective of this work is twofold: (1) to identify the relative base level changes throughout the Holocene in the Estreito Paleolagoon, hence shedding light on its development stages; and (2) to use the os…

  • Stratigraphy and evolution of the late Pleistocene (MIS 5) coastal Barrier III in southern Brazil

    Open AccessRenato Pereira Lopes, Jamil Corrêa Pereira et al.ARTICLEQuaternary Research2024

    The structure and origin of the Pleistocene (Marine Isotope Stage [MIS] 5) coastal Barrier III in southern Brazil were investigated through analysis of lithofacies, numerical ages, and ground-penetrating radar (GPR) data obtained in outcrops and subsurface deposits. The stratigraphic succession is characteristic of transgressive barriers, with muddy lagoon bottom facies unconformably overlying an older unit (Barrier II) and overlain by landward-d…

  • Relative sea level and wave energy changes recorded in a micro-tidal barrier in southern Brazil

    Open AccessNatália B Santos, Ernesto Luiz Corrêa Lavina et al.ARTICLEQuaternary Research2022

    Constructional sedimentary history of coastal barriers can provide insights regarding meteorological and oceanographic processes, and relative sea-level changes. We investigated the Holocene evolution of a segment of the Rio Grande do Sul Coastal Plain in southernmost Brazil. Data were obtained from ground-penetrating radargrams, optically stimulated luminescence dating, altimetry measurements, Google Earth imagery, and aerial photographs. These …

  • Firing temperature determination and thermoluminescence dating of a brick with cuneiform characters found in the ruins of Ancient Babylon

    Open AccessRodrigo P Da Silva, Diego R G Tudela et al.ARTICLERevista do Museu de Arqueologia e…2018

    Este artigo tem por objetivo estudar um tijolo com inscrições em caracteres cuneiformes cujas sentenças estão praticamente completas. Estudos tipológicos correspondentes aos relatos históricos sugerem que o tijolo foi manufaturado no século VI a.C., durante a dinastia de Nabucodonosor II, grande monarca da Babilônia. A amostra foi estudada através da difração de raios X (DRX), ressonância paramagnética de elétron (RPE), termoluminescência (TL) e …

  • Dating human occupation at Toca do Serrote das Moendas, São Raimundo Nonato, Piauí-Brasil by electron spin resonance and optically stimulated luminescence

    Open AccessAngela Kinoshita, Anne R Skinner et al.ARTICLEJournal of Human Evolution2014

  • The effect of climate change on the mobility and stability of coastal sand dunes in Ceará State (NE Brazil)

    Open AccessHaim Tsoar, Noam Levin et al.ARTICLEQuaternary Research2009

    The coast of Ceará State in NE Brazil is covered by vast fields of active and stabilized coastal sand dunes. Its tropical climate is characterized by two seasons, wet and dry, with wind intensity determined by the meridional shift of the Intertropical Convergence Zone. The wind power is negatively correlated with precipitation, and precipitation is negatively correlated with the difference between sea surface temperatures of the tropical Atlantic…

  • Testes de confiabilidade dos métodos de datação por termoluminescência (TL) e luminescência oticamente estimulada (OSL)

    Open AccessShigueo Watanabe, Sonia Tatumi et al.ARTICLERevista do Museu de Arqueologia e…2006

    Para os pesquisadores de arqueologia e geologia, dentre outras ciências, a informação sobre a idade dos materiais em estudo é importante. Há várias técnicas de datação, a começar do muito conhecido método de radiocarbono, apropriado para amostras que absorveram carbono no passado, outros se baseiam no decaimento radioativo de diferentes radioisótopos com meia vida apropriada, e aqueles que se baseiam na deposição parcial de energia de uma radiaçã…

  • Amazonian Paleodunes Provide Evidence for Drier Climate Phases during the Late Pleistocene–Holocene

    Open AccessArnaldo Carneiro Filho, Dominique Schwartz et al.ARTICLEQuaternary Research2002

    Recent studies on relict eolian dunes in the Rio Negro basin, northern Amazon, Brazil (00°35′N, 63°14′W), indicate a drier climate regime during the Late Pleistocene–Holocene transition that is different from the present humid climate. The eolian sands form long chains of linear dunes bordering the Rio Negro River and some tributaries. Here, we present thermoluminescence (TL) ages spanning the period 32,000–8000 yr B.P. The final dune stabilizati…

  • Dados cronológicos relativos à arqueologia do oeste de Mato Grosso

    Open AccessGilson Martins, Gilson Rodolfo Martins et al.ARTICLERevista do Museu de Arqueologia e…2002

  • Novas dataçoes arqueológicas em Mato Grosso do Sul

    Open AccessGilson Martins, Gilson Rodolfo Martins et al.ARTICLERevista do Museu de Arqueologia e…2002

    Pesquisas arqueologicas em desenvolvimento no contexto sul-mato-grossense vem produzindo significativos resultados cronologicos referentes aos diversos horizontes culturais historicos e precoloniais presentes nesse Estado. Esta nota objetiva divulgar as novas datacoes arqueologicas obtidas a partir dos trabalhos cientificos realizados no alto curso do rio Parana (Projeto Arqueologico Porto Primavera, M S codigo 2 nas tabelas a seguir) e em outras…

  • Archaeological dating at the State of Mato Grosso do Sul

    Open AccessGilson Martins, Gilson Rodolfo Martins et al.ARTICLERevista do Museu de Arqueologia e…1999Citada por: 2

    Este artigo objetiva apresentar os resultados de datações obtidas, até o momento, com a aplicação das técnicas da termoluminescência em amostras cerâmicas e de carbono 14 em fragmentos de carvão, coletadas em sítios arqueológicos no Estado de Mato Grosso do Sul