On the mechanism of organic-rich sediment accumulation at the head of Tokyo bay

Jun Sasaki; Yuta Sato; Thamnoon Rasmeemasmuang; Tomoya Shibayama

On the mechanism of organic-rich sediment accumulation at the head of Tokyo bay

Jun Sasaki, Yuta Sato, Thamnoon Rasmeemasmuang, Tomoya Shibayama

School of Creative Science and Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

Extensive accumulation of soft mud at the head of Tokyo Bay, Japan, is one of the major causes of deterioration of water quality and ecosystems. We performed field observation of sediment quality and numerical simulation of sediment accumulation and grain size distribution to reveal the mechanism of its accumulation and provide suggestions for the future restoration strategy in the bay. We reveal the detailed variation in sediment quality and found that one of the causes is attributed to the lower decomposition rate of organic matter due tu the long-term exposure to hypoxic waters along with the higher rate of accumulation of very fine particles reflecting hydrodynamic properties.

Original language	English
Title of host publication	Proceedings of the 5th International Conference on Asian and Pacific Coasts, APAC 2009
Publisher	World Scientific Publishing Co. Pte Ltd
Pages	67-74
Number of pages	8
ISBN (Print)	9814287970, 9789814287975
Publication status	Published - 2010
Event	5th International Conference on Asian and Pacific Coasts, APAC 2009 - Singapore, Singapore Duration: 2009 Oct 13 → 2009 Oct 16

Publication series

Name	Proceedings of the 5th International Conference on Asian and Pacific Coasts, APAC 2009
Volume	2

Other

Other	5th International Conference on Asian and Pacific Coasts, APAC 2009
Country/Territory	Singapore
City	Singapore
Period	09/10/13 → 09/10/16

ASJC Scopus subject areas

Ocean Engineering

Cite this

Sasaki, J., Sato, Y., Rasmeemasmuang, T., & Shibayama, T. (2010). On the mechanism of organic-rich sediment accumulation at the head of Tokyo bay. In Proceedings of the 5th International Conference on Asian and Pacific Coasts, APAC 2009 (pp. 67-74). (Proceedings of the 5th International Conference on Asian and Pacific Coasts, APAC 2009; Vol. 2). World Scientific Publishing Co. Pte Ltd.

On the mechanism of organic-rich sediment accumulation at the head of Tokyo bay. / Sasaki, Jun; Sato, Yuta; Rasmeemasmuang, Thamnoon et al.
Proceedings of the 5th International Conference on Asian and Pacific Coasts, APAC 2009. World Scientific Publishing Co. Pte Ltd, 2010. p. 67-74 (Proceedings of the 5th International Conference on Asian and Pacific Coasts, APAC 2009; Vol. 2).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Sasaki, J, Sato, Y, Rasmeemasmuang, T & Shibayama, T 2010, On the mechanism of organic-rich sediment accumulation at the head of Tokyo bay. in Proceedings of the 5th International Conference on Asian and Pacific Coasts, APAC 2009. Proceedings of the 5th International Conference on Asian and Pacific Coasts, APAC 2009, vol. 2, World Scientific Publishing Co. Pte Ltd, pp. 67-74, 5th International Conference on Asian and Pacific Coasts, APAC 2009, Singapore, Singapore, 09/10/13.

Sasaki, Jun ; Sato, Yuta ; Rasmeemasmuang, Thamnoon et al. / On the mechanism of organic-rich sediment accumulation at the head of Tokyo bay. Proceedings of the 5th International Conference on Asian and Pacific Coasts, APAC 2009. World Scientific Publishing Co. Pte Ltd, 2010. pp. 67-74 (Proceedings of the 5th International Conference on Asian and Pacific Coasts, APAC 2009).

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AB - Extensive accumulation of soft mud at the head of Tokyo Bay, Japan, is one of the major causes of deterioration of water quality and ecosystems. We performed field observation of sediment quality and numerical simulation of sediment accumulation and grain size distribution to reveal the mechanism of its accumulation and provide suggestions for the future restoration strategy in the bay. We reveal the detailed variation in sediment quality and found that one of the causes is attributed to the lower decomposition rate of organic matter due tu the long-term exposure to hypoxic waters along with the higher rate of accumulation of very fine particles reflecting hydrodynamic properties.

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ER -

On the mechanism of organic-rich sediment accumulation at the head of Tokyo bay

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