A three-dimensional numerical model of hydrodynamics and water quality in Hakata Bay

The hydrodynamics and water quality in Hakata Bay, Japan, are strongly affected by the seasonal variations in both the gravitational circulation and the stratification in the bay. The three-dimensional hydrodynamics and water quality model has been developed to simulate the long-term transport and f...

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Bibliographic Details
Published inOcean engineering Vol. 29; no. 4; pp. 461 - 473
Main Authors Shen, Yongming, Zheng, Yonghong, Komatsu, Toshimitsu, Kohashi, Naoko
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier Ltd 01.04.2002
Elsevier
Subjects
Coastal areas
Dynamics of the ocean (upper and deep oceans)
Earth, ocean, space
Ecosystem
Exact sciences and technology
External geophysics
Japan, Kyushu, Fukuoka Prefect., Hakata Bay
Marine
Numerical simulation
Physics of the oceans
Turbulence model
Water quality
INW, Japan, Kyushu, Fukuoka Prefect., Hakata Bay
Numerical simulation
Turbulence model
Coastal areas
Ecosystem
Water quality
Temperature distribution
Turbulence
Ocean dynamics
Nitrogen
Oxygen content
Coastal zone
Chlorophyll a
Salinity
Three dimensional model
Hydrodynamic model
Bay
Mathematical model
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Summary:The hydrodynamics and water quality in Hakata Bay, Japan, are strongly affected by the seasonal variations in both the gravitational circulation and the stratification in the bay. The three-dimensional hydrodynamics and water quality model has been developed to simulate the long-term transport and fate of pollutants in the system. The model is unique in that it completely integrates the refined modelling of the hydrodynamics, biochemical reactions and the ecosystem in the coastal areas. It is a 3-dimensional segmented model which is capable of resolving mean daily variations in all the parameters relevant to pollution control. It predicts daily fluctuations in the oxygen content at different depths in water throughout the year. It takes into account transport and settling of pollutant particles. It predicts light penetration from computed turbidity variations. It includes interactions between the ecosystem and water quality, through nutrient cycling and photosynthesis. The model has been calibrated well against the data set of historical water quality observations in Hakata Bay.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:0029-8018
1873-5258
DOI:10.1016/S0029-8018(01)00019-1