Validity of Estimating the Organic Carbon Content of Basin Sediment Using Color Measurements

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  • SASAKI Toshinori
    Department of Natural Environmental Studies, Graduate School of Frontier Sciences, The University of Tokyo
  • SUGAI Toshihiko
    Department of Natural Environmental Studies, Graduate School of Frontier Sciences, The University of Tokyo
  • OGAMI Takashi
    Department of Natural Environmental Studies, Graduate School of Frontier Sciences, The University of Tokyo
  • YANAGIDA Makoto
    Hanshin Consultants Co., Ltd.
  • YASUE Ken-ichi
    Japan Atomic Energy Agency

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  • 色相計測による閉塞盆地埋積物中の有機炭素含有率推定の試み
  • 色相計測による閉塞盆地理積物中の有機炭素含有率推定の試み
  • シキソウ ケイソク ニ ヨル ヘイソクボン チリ セキブツ チュウ ノ ユウキ タンソ ガンユウリツ スイテイ ノ ココロミ

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Abstract

 Psychometric lightness (L* value) measured by a colorimeter offers a rapid means of obtaining the organic carbon content of sediment. We measured peat and lacustrine sediments covering the past 300 ka—106 samples for L* value and 197 samples for organic carbon content. L* values are highly correlated with organic carbon contents. Therefore, L* values are a convenient alternative to measuring organic carbon contents.

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