Effect of wind waves on distribution of muddy bottom sediments in Baltimore Harbor, USA

Yasuyuki Nakagawa, Lawrence P. Sanford, Jeffrey P. Halka

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

3 被引用数 (Scopus)

抄録

Muddy bottom sediments in industrialized coastal areas are often quite enriched in contaminants and organic matter. It is important to study the processes that control fine sediment accumulation in these areas. In order to examine the relationship between hydrodynamic forcing and sediment characteristics in Baltimore Harbor, MD, USA, estimated wave-induced bottom shear stresses were compared with sediment mud content distributions. Wave fields in the harbor were simulated with a numerical wave hindcasting model, HISWA. Spatial distributions of expected wave-induced bottom shear stresses in four wind speed ranges were obtained by directionally averaging wave-induced bottom shear stress predictions, weighting each direction by its probability of occurrence based on wind statistics from a long term data set collected near the harbor. A negative relationship between mud content and wave-induced shear stress was clear only for the stronger wind cases that occurred less than 5% of the time. The results suggest that the distribution of muddy bottom sediments in the mainstem of Baltimore Harbor is controlled largely by high wind wave events that occur infrequently.

本文言語英語
ホスト出版物のタイトルCoastal Engineering 2000 - Proceedings of the 27th International Conference on Coastal Engineering, ICCE 2000
ページ3516-3524
ページ数9
出版ステータス出版済み - 12 1 2000
外部発表はい
イベントCoastal Engineering 2000 - 27th International Conference on Coastal Engineering, ICCE 2000 - Sydney, NSW, オーストラリア
継続期間: 7 16 20007 21 2000

出版物シリーズ

名前Coastal Engineering 2000 - Proceedings of the 27th International Conference on Coastal Engineering, ICCE 2000
276

その他

その他Coastal Engineering 2000 - 27th International Conference on Coastal Engineering, ICCE 2000
Countryオーストラリア
CitySydney, NSW
Period7/16/007/21/00

All Science Journal Classification (ASJC) codes

  • Ocean Engineering

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