Transport of reactive materials in the Sea of Japan: Implications from fine-resolution surface distribution of 228Th/228Ra ratio

This study aimed to explore the transport patterns of reactive materials under the Tsushima Warm Current (TWC) in the Sea of Japan. Fine-resolution seasonal and lateral variations in 228Th/228Ra activity ratio were examined along with 228Ra/226Ra ratio in surface seawater samples from the Sea of Jap...

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Bibliographic Details
Published in:Continental shelf research 2022-05, Vol.241, p.104749, Article 104749
Main Authors: Inoue, Mutsuo, Shirotani, Yuhei, Morokado, Toshiki, Hanaki, Shotaro, Kameyama, Hiroaki, Kofuji, Hisaki, Okino, Akira, Yoshida, Masa-aki, Miki, Shizuho, Shikata, Takafumi, Honda, Naoto, Takikawa, Tetsutaro, Morita, Masaya, Nagao, Seiya
Format: Article
Language:English
Subjects:
228Ra/226Ra ratio
228Th/228Ra ratio
Ocean scavenging
Reactive materials
Sea of Japan
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Summary:This study aimed to explore the transport patterns of reactive materials under the Tsushima Warm Current (TWC) in the Sea of Japan. Fine-resolution seasonal and lateral variations in 228Th/228Ra activity ratio were examined along with 228Ra/226Ra ratio in surface seawater samples from the Sea of Japan, East China Sea (ECS), and Pacific Ocean in 2015–2020. Significant 228Th/228Ra ratio variations were observed in surface seawaters (
ISSN:0278-4343
1873-6955
DOI:10.1016/j.csr.2022.104749