Gamma ray doses in water around sea floor hydrothermal area in the Southern Mariana trough

Shin Toyoda, Debabrata Banerjee, Hidenori Kumagai, Junichi Miyazaki, Jun Ichiro Ishibashi, Nobutatsu Mochizuki, Shigeaki Kojima

研究成果: 書籍/レポート タイプへの寄稿

1 被引用数 (Scopus)

抄録

The dose rates in sea water in the Southern Mariana Trough sea floor hydrothermal area were investigated. The dose rate in sea water was less than detection limit (about 0.1 mGy/year) near the sea surface while it was around 2 mGy/year at the sea floor of hydrothermal area, where those levels of dose rates will be negligible for ESR (electron spin resonance) dating of barite of sulfide deposits. During the dive by a submarine vehicle, there were three locations at which the level of dose rate increases more than ten times as much as the usual level. One was very close to a hydrothermal vent, but no hydrothermal activities were found near the other locations.

本文言語英語
ホスト出版物のタイトルSubseafloor Biosphere Linked to Hydrothermal Systems
ホスト出版物のサブタイトルTAIGA Concept
出版社Springer Japan
ページ603-606
ページ数4
ISBN(電子版)9784431548652
ISBN(印刷版)9784431548645
DOI
出版ステータス出版済み - 1月 1 2015

!!!All Science Journal Classification (ASJC) codes

  • 地球惑星科学(全般)

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