同一海域における希土類元素濃度およびネオジム同位体比の経時変化と季節変化

天川 裕史; 鈴木 勝彦

doi:10.14862/geochemproc.71.0_54

Abstracts of Annual Meeting of the Geochemical Society of Japan

DOI https://doi.org/10.14862/geochemproc.71.0_54

Conference information

Host: Abstracts of Annual Meeting of the Geochemical Society of Japan

Name : Abstracts of Annual Meeting of the Geochemical Society of Japan

Number : 71

Date : September 18, 2024 - September 20, 2024

Temporal and seasonal changes of REE abundances and Nd isotopic composition in the same oceanic regions

*AMAKAWA HIROSHI, Suzuki Katsuhiko

Author information

Keywords: seawater, REE concentrations, Nd isotopic composition, temporal change, seasonal change

CONFERENCE PROCEEDINGS FREE ACCESS

Pages 54-

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Abstract

Due to the international GEOTRACES program, numbers of seawater REE concentration and Nd isotopic composition data have been drastically increasing. This indicates we can now easily compare those data obtained at the same oceanic regions at the different timings, i.e., years and seasons. In this presentation, we are going to discuss temporal and seasonal changes of REE abundances and Nd isotopic composition in the same oceanic regions of the North Pacific, North Atlantic, and South China Sea.

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