Comparative study of fecal bacterial decay models for the simulation of plumes of submarine sewage outfalls

In the literature, analytical models have been shown to be extremely useful for estimating the decay rates of coliform as fecal indicator microorganisms, providing reliable predictions of bathing conditions in coastal and continental waters. Although a number of different formulations have been deve...

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Veröffentlicht in:Water science and technology : a journal of the International Association on Water Pollution Research. - 1986. - 68(2013), 3 vom: 11., Seite 622-31
1. Verfasser: Feitosa, Renato C (VerfasserIn)
Weitere Verfasser: Rosman, Paulo C C, Carvalho, João L B, Côrtes, Myriam B V, Wasserman, Julio C
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2013
Zugriff auf das übergeordnete Werk:Water science and technology : a journal of the International Association on Water Pollution Research
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Sewage
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245 1 0 |a Comparative study of fecal bacterial decay models for the simulation of plumes of submarine sewage outfalls 
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520 |a In the literature, analytical models have been shown to be extremely useful for estimating the decay rates of coliform as fecal indicator microorganisms, providing reliable predictions of bathing conditions in coastal and continental waters. Although a number of different formulations have been developed in the literature, each one may only be suitable for specific environments, and no comparison between these methods has ever been carried out. In the present article, a comparative analysis of bacterial decay models, calculated by eight different formulations, was performed in coastal outfall plumes, considering identical environmental conditions of solar radiation, temperature and salinity. A statistical approach was applied to identify the differences in means and in behaviors of the results obtained in the various simulations. The results indicate good agreement between bacterial decay rates calculated with at least four methods that were considered more reliable, and at least one of the models was shown to be suitable for estimating bacterial decay rates under night-time conditions, considering only the combined influences of temperature and salinity. Moreover, under daytime conditions, it provides consistent decay rates when compared with measurements taken in the field 
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700 1 |a Rosman, Paulo C C  |e verfasserin  |4 aut 
700 1 |a Carvalho, João L B  |e verfasserin  |4 aut 
700 1 |a Côrtes, Myriam B V  |e verfasserin  |4 aut 
700 1 |a Wasserman, Julio C  |e verfasserin  |4 aut 
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