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Yoko Saito-Kokubu

Dados Biográficos

ID5598765
NOMEYoko Saito-Kokubu
PRENOMESYoko
SOBRENOMESaito-Kokubu
ASSINATURASAITO-KOKUBU Y
VERIFICADONão
TOTAL DE OBRAS3
TOTAL DE CITAÇÕES2
TOTAL COMO AUTOR3
TOTAL COMO EDITOR0
PRIMEIRO ANO DE PUBLICAÇÃO2012
ANO MAIS RECENTE DE PUBLICAÇÃO2025
ÍNDICE H1
  • Evaluating sulfur-impurity removal and modern carbon contamination in different preparation methods for radiocarbon dating of soil samples by accelerator mass spectrometry

    Open Access•Jun Koarashi, Erina Takeuchi et al.•ARTICLE•Radiocarbon•2025•Citada por: 1

    Radiocarbon ( 14 C) dating of soil samples by accelerator mass spectrometry (AMS) has been proven useful for studying carbon (C) cycling in terrestrial ecosystems. However, this application has two primary difficulties in sample preparation: inhibition of graphite formation due to sulfur (S)-containing impurities and contamination of samples with modern C (MC). Herein, we evaluated these effects using three sample preparation methods (silver foil…

  • AMS Radiocarbon Dates of Pyroclastic-Flow Deposits on the Southern Slope of the Kuju Volcanic Group, Kyushu, Japan

    Open Access•Mitsuru Okuno, Shinji Nagaoka et al.•ARTICLE•Radiocarbon•2017•Citada por: 1•Referências: 7

    The Kuju volcanic group, located in central Kyushu, Japan, consists of small stratovolcanoes and lava domes. To refine the eruptive history of the group, we conducted accelerator mass spectrometry (AMS) radiocarbon dating of charcoal fragments from three pyroclastic-flow (PF) deposits on the southern slope. The obtained 14 C dates are consistent with the geomorphology, stratigraphy, and thermoluminescence (TL) ages. The Handa PF deposits, which a…

  • AMS 14 C Dates and Major Element Composition of Glass Shards of Late Pleistocene Tephras on Tanegashima Island, Southern Japan

    Open Access•Mitsuru Okuno, Masayuki Torii et al.•ARTICLE•Radiocarbon•2012•Referências: 13

    Four late Pleistocene tephra layers—Tane I (Tn1), II (Tn2), III (Tn3), and IV (Tn4) in ascending order—are intercalated between widespread tephras, Kikai-Tozurahara (K-Tz: 95 ka) and Aira-Tn (AT: 30 cal kBP), on Tanegashima Island, in southern Japan. Paleolithic ruins such as the Yokomine C and Tatikiri archaeological sites were excavated from the loam layer between the Tn4 and Tn3 tephras. To refine the chronological framework on the island, we …

  • Evaluating sulfur-impurity removal and modern carbon contamination in different preparation methods for radiocarbon dating of soil samples by accelerator mass spectrometry

    Open Access•Jun Koarashi, Erina Takeuchi et al.•ARTICLE•Radiocarbon•2025•Citada por: 1

    Radiocarbon ( 14 C) dating of soil samples by accelerator mass spectrometry (AMS) has been proven useful for studying carbon (C) cycling in terrestrial ecosystems. However, this application has two primary difficulties in sample preparation: inhibition of graphite formation due to sulfur (S)-containing impurities and contamination of samples with modern C (MC). Herein, we evaluated these effects using three sample preparation methods (silver foil…

  • AMS Radiocarbon Dates of Pyroclastic-Flow Deposits on the Southern Slope of the Kuju Volcanic Group, Kyushu, Japan

    Open Access•Mitsuru Okuno, Shinji Nagaoka et al.•ARTICLE•Radiocarbon•2017•Citada por: 1•Referências: 7

    The Kuju volcanic group, located in central Kyushu, Japan, consists of small stratovolcanoes and lava domes. To refine the eruptive history of the group, we conducted accelerator mass spectrometry (AMS) radiocarbon dating of charcoal fragments from three pyroclastic-flow (PF) deposits on the southern slope. The obtained 14 C dates are consistent with the geomorphology, stratigraphy, and thermoluminescence (TL) ages. The Handa PF deposits, which a…

  • AMS 14 C Dates and Major Element Composition of Glass Shards of Late Pleistocene Tephras on Tanegashima Island, Southern Japan

    Open Access•Mitsuru Okuno, Masayuki Torii et al.•ARTICLE•Radiocarbon•2012•Referências: 13

    Four late Pleistocene tephra layers—Tane I (Tn1), II (Tn2), III (Tn3), and IV (Tn4) in ascending order—are intercalated between widespread tephras, Kikai-Tozurahara (K-Tz: 95 ka) and Aira-Tn (AT: 30 cal kBP), on Tanegashima Island, in southern Japan. Paleolithic ruins such as the Yokomine C and Tatikiri archaeological sites were excavated from the loam layer between the Tn4 and Tn3 tephras. To refine the chronological framework on the island, we …

  • AMS Radiocarbon Dates of Pyroclastic-Flow Deposits on the Southern Slope of the Kuju Volcanic Group, Kyushu, Japan

    Open Access•Mitsuru Okuno, Shinji Nagaoka et al.•ARTICLE•Radiocarbon•2017•Citada por: 1•Referências: 7

    The Kuju volcanic group, located in central Kyushu, Japan, consists of small stratovolcanoes and lava domes. To refine the eruptive history of the group, we conducted accelerator mass spectrometry (AMS) radiocarbon dating of charcoal fragments from three pyroclastic-flow (PF) deposits on the southern slope. The obtained 14 C dates are consistent with the geomorphology, stratigraphy, and thermoluminescence (TL) ages. The Handa PF deposits, which a…

  • Evaluating sulfur-impurity removal and modern carbon contamination in different preparation methods for radiocarbon dating of soil samples by accelerator mass spectrometry

    Open Access•Jun Koarashi, Erina Takeuchi et al.•ARTICLE•Radiocarbon•2025•Citada por: 1

    Radiocarbon ( 14 C) dating of soil samples by accelerator mass spectrometry (AMS) has been proven useful for studying carbon (C) cycling in terrestrial ecosystems. However, this application has two primary difficulties in sample preparation: inhibition of graphite formation due to sulfur (S)-containing impurities and contamination of samples with modern C (MC). Herein, we evaluated these effects using three sample preparation methods (silver foil…

Archaeology and ancient environmental studies (3 obras) · Geology (3 obras) · Radiocarbon dating (3 obras) · Accelerator mass spectrometry (2 obras) · Chemistry (2 obras) · Geochemistry (2 obras) · Geology and Paleoclimatology Research (2 obras) · Isotope Analysis in Ecology (2 obras) · Paleontology (2 obras) · Rhyolite (2 obras)

Ethnos_APP • Projeto Open Source • Licença MIT • Frontend v2.0.0 • Privacidade e Cookies • Documentação da API: api.ethnos.app/docs • Código da API: GitHub • DOI: 10.5281/zenodo.17049435 • Código do Frontend: GitHub • DOI: 10.5281/zenodo.17050053 • cruz.rio.br • Expectantes Misericordiae