NDLI: Development of fine sediment transport model considering characteristics of deposited muddy sediments off Haneda in Tokyo Bay

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Development of fine sediment transport model considering characteristics of deposited muddy sediments off Haneda in Tokyo Bay

Content Provider	Semantic Scholar
Author	Nakagawa, Yasuyuki Nadaoka, Kazuo Yagi, Hiroshi Nihei, Yasuo Kimura, Akihiro Kubota, Youji Yoshida, Yukihide
Copyright Year	2013
Abstract	これに対し,本研究では東京湾奥部の多摩川河口沖周辺における,水域環境の変動把握を目的としたモニタリング調査(羽田周辺水域調査研究委員会,2010)を通じて,同海域における底質環境の動態について解明を進めてきた.これまでの調査により,対象海域での底泥堆積に関する基本的な空間分布特性(中川ら,2007)をはじめ,東京湾へのSS負荷が通常時の6.6年分相当と推定される大規模な出水(二瓶ら,2008)と高波浪を伴った台風イベント時における,底泥移動の実態を観測データに基づき明らかとした(中川ら,2010).さらに,このような底泥移動に起因する台風前後の底質性状の変化と底生生物相の変化との関係も明らかとなった(有路ら, 2010,2011). 一方,水質・生態系モデルへの応用も見据えた底泥挙動の予測を可能とするシミュレーション・モデルの開発も進めつつある.本論文では,高含水比底泥の特徴を考慮して導出された泥の輸送量評価式(中川ら,2011; Nakagawaら,2012)を用いて,さらに3次元流動モデルならびに波浪推算モデルにより得られる外力場の時空間分布を考慮して,東京湾における台風擾乱時を想定した湾内の底泥輸送計算を試みた.
File Format	PDF HTM / HTML
DOI	10.2208/kaigan.69.I_571
Volume Number	69
Alternate Webpage(s)	https://www.jstage.jst.go.jp/article/kaigan/69/2/69_I_571/_pdf/-char/en
Alternate Webpage(s)	https://doi.org/10.2208/kaigan.69.I_571
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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