Arsenic behavior in deep-sea sediments from Nankai trough

H. Masuda, H. Yoshinishi, E. Even, S. Fuchida

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Arsenic (As) behavior in between interstitial water and sediments of deep-sea cores from Nankai Trough, located at off-shore Japan, were studied to understand the relation to biological activity at the early stage of diagenesis. High As concentration of sediments was recorded at about 350 m depth, where the most of As would be originated from detrital minerals supplied via turibidite from Honshu Island. Pelagic sediments in accretionary prism contained rather smaller As compared with the turbidite layers. Those facts indicate that the subareal insoluble materials are the major source of As in the marine sediments. While, the peak maximum of interstitial water As was at 200 meters below seafloor probably due to decomposition of algae/plant, suggesting that the biogenic As is mobile in the sediments.

Original languageEnglish
Title of host publicationArsenic Research and Global Sustainability - Proceedings of the 6th International Congress on Arsenic in the Environment, AS 2016
EditorsProsun Bhattacharya, Gunnar Jacks, Jochen Bundschuh, Prosun Bhattacharya, Marie Vahter, Jerker Jarsjo, Jerker Jarsjo, Jurate Kumpiene, Arslan Ahmad, Charlotte Sparrenbom, Marinus Eric Donselaar, Jochen Bundschuh, Ravi Naidu, Ravi Naidu
PublisherCRC Press/Balkema
Pages179-180
Number of pages2
ISBN (Print)9781138029415
DOIs
Publication statusPublished - 2016
Externally publishedYes
Event6th International Congress on Arsenic in the Environment, AS 2016 - Stockholm, Sweden
Duration: 2016 Jun 192016 Jun 23

Publication series

NameArsenic Research and Global Sustainability - Proceedings of the 6th International Congress on Arsenic in the Environment, AS 2016

Conference

Conference6th International Congress on Arsenic in the Environment, AS 2016
Country/TerritorySweden
CityStockholm
Period16/6/1916/6/23

ASJC Scopus subject areas

  • Pollution
  • Environmental Chemistry

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