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iDEA: DREXEL LIBRARIES E-REPOSITORY AND ARCHIVES

iDEA: DREXEL LIBRARIES E-REPOSITORY AND ARCHIVES

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Numerical simulation of tidal current and nutrient distribution in Maizuru Bay by multi-level baroclinic model

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Title
Numerical simulation of tidal current and nutrient distribution in Maizuru Bay by multi-level baroclinic model
Author(s)
Ikeno, Hidetoshi; Miwa, Hiroshi
Keywords
Nutrient concentrations; Pollutant fate and transport; Tidal currents; Coastal hydrodynamics; Water quality
Date
2006-09-11
Abstract
In order to understand current condition of water environment and investigate improvement methods for water quality in inner bays, it is important to clarify characteristics of the flow field and the circulation process of nutrients. Maizuru Bay has complex shape that the Northern part with baymouth is quite narrow, and the Southern part is separated into West and East bays. Due to this complex structure, the tidal exchange with the Japan Sea is not always enough, and a deterioration of the water quality in the Bay has been concerned. In particular, COD, T-N (total nitrogen) and T-P (total phosphorus) have not shown continuous achievement of the environmental standards according to the development of industries and high-consumption human lifestyles. In this study, we investigated characteristics of tidal current and distributions of nutrients in Maizuru Bay by the multi-level baroclinic model, which can consider the water density distribution caused by spatiotemporal changes of temperature and salinity. The flow field of tidal current and the distributions of temperature, salinity and nutrients were simulated in case of the summer with temperature stratification.
Citation
Proceedings of the Seventh International Conference on Hydroscience and Engineering, Philadelphia, PA, September 2006. http://hdl.handle.net/1860/732
URI
http://hdl.handle.net/1860/1390
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Drexel Research

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