Measurement for Transport of Trace Mercury by Highly- Frequent Water Sampling in Minamata Bay

• YANO Shinichiro

  Kyushu University

• TADA Akihide

  Nagasaki University

• TAI Akira

  Kyushu University

• YANO Kohei

  Kyushu University

• IMURA Kazuki

  Nagasaki University

• FUJIWARA Ryuji

  Nagasaki University

Bibliographic Information

Other Title

• 水俣湾における高頻度な水銀採水調査による微量水銀輸送量の測定
• ミナマタワン ニ オケル コウヒンド ナ スイギン サイスイ チョウサ ニ ヨル ビリョウ スイギン ユソウリョウ ノ ソクテイ

Abstract

We conducted highly-frequent water sampling for mercury speciation in sea water and suspended solid (SS) in Minamata Bay with continuous current and SS measurements. As a result, the followings were clarified: i) Particulate total mercury (T-Hg) in bottom layer was higher than that in surface and middle layer; ii) Dissolved T-Hg and methylmerculy (MeHg) were almost uniform vertically. Negative correlation between T-Hg and MeHg was shown; iii) Annual particulate T-Hg transport from Minamata Bay to the Yatsushiro Sea was estimated as 5-13kg. These results suggest that highly-frequent mercury measurement plays an important role in an accurate estimation of mercury mass balance.

Journal

• Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering)

  Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering) 66 (1), 961-965, 2010

  Japan Society of Civil Engineers

Keywords

• mercury
• bottom sediment
• in-site measurement
• methylmercury

Details

• CRID: 1390282680297938176
• NII Article ID: 130004956716
• NII Book ID: AA12508551
• DOI: 10.2208/kaigan.66.961
• ISSN: 18838944
• ISSN: 18842399
• NDL BIB ID: 11235571
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I11235571
• Text Lang: en
• Data Source:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
  • KAKEN
• Abstract License Flag: Disallowed