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Complexity Of Numerical Modeling For Predicting The Mechanisms Of Toxic Algae Bloom In Lake, Dr. Md. Nazrul Islam, Dr. Daisuke Kitazawa
Complexity Of Numerical Modeling For Predicting The Mechanisms Of Toxic Algae Bloom In Lake, Dr. Md. Nazrul Islam, Dr. Daisuke Kitazawa
International Congress on Environmental Modelling and Software
A three dimensional hydrodynamic ecosystem coupled model was employed to simulate algae transition and toxin produced ability under the nutrients limited conditions in eutrophic Lake Kasumigaura, Japan. Numerical simulation was carried out for the four years of the period 2005–2009. Algae have shifted seasonally and annually between 2005 and 2009, among three major algal: Microcystis, Planktothrix and Cyclotella. The mathematical model reproduced well the transitions of dominant algae in the four years by calibrating ecological parameters. The biomass of Planktothrix suddenly increased in the summer of 2008, and Planktothrix became the dominant species. Longer periods of stratification, lower …
Numerical Modeling On The Pollutant Effects In The Ecosystem Of Kamaishi Bay (Japan) By Coupling Mec And Ecopath Model, Dr. Md. Nazrul Islam, Dr. Daisuke Kitazawa
Numerical Modeling On The Pollutant Effects In The Ecosystem Of Kamaishi Bay (Japan) By Coupling Mec And Ecopath Model, Dr. Md. Nazrul Islam, Dr. Daisuke Kitazawa
International Congress on Environmental Modelling and Software
A three dimensional Marine Environmental Committee (MEC) model was conducted to describe the specific circulation patterns of currents, temperature, and salinity driven by wind and tide forcing in Kamaishi Bay at Miyagi Prefecture in the Great East Japan. The major concern of this study is the diffusion of pollutants caused by 2011 Earthquake and Tsunami disaster impacts on marine ecosystem. In this study, we also simulate the changes of water quality and ecosystems structure from January 2009 to December 2012. The MEC model has been used to predict the distributions of various key water quality indicators and tide flow in …