Considering Bacteria-Sediment Associations in Microbial Fate and Transport Modeling

Russo, Stephen A.; Hunn, Joshua; Characklis, Gregory W.

doi:10.1061/(asce)ee.1943-7870.0000363

Cited by 32 publications

(38 citation statements)

References 36 publications

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“…Disagreement also exists among the methods used to mathematically represent bacterial attachment: Bai and Lung () and more recently Russo et al . () assumed attachment occurs as a linear and reversible adsorption process based on previous studies (Scholl and Harvey ; Chapra ), while Jamieson et al . () argued that irreversible adsorption is more representative of attachment in low‐ionic strength freshwater systems.…”

Section: Attachmentmentioning

confidence: 99%

“…Existing models generally perform poorly when predicting environmental fate and transport of micro‐organisms, and one reason is the lack of understanding regarding the movement of organisms and interactions with environmental particles (Russo et al . ). Previous researchers have provided comprehensive reviews of the presence of pathogens in a range of water systems (Pandey et al .…”

Section: Introductionmentioning

confidence: 97%

See 1 more Smart Citation

Cellular, particle and environmental parameters influencing attachment in surface waters: a review

et al. 2015

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SummaryEffective modelling of the fate and transport of water-borne pathogens is needed to support federally required pollution-reduction plans, for water quality improvement planning, and to protect public health. Lack of understanding of microbial-particle interactions in water bodies has sometimes led to the assumption that bacteria move in surface waters not associated with suspended mineral and organic particles, despite a growing body of evidence suggesting otherwise. Limited information exists regarding the factors driving interactions between micro-organisms and particles in surface waters. This review discusses cellular, particle and environmental factors potentially influencing interactions and in-stream transport. Bacterial attachment in the aquatic environment can be influenced by properties of the cell such as genetic predisposition and physiological state, surface structures such as flagella and fimbriae, the hydrophobicity and electrostatic charge of the cell surface, and the presence of outer-membrane proteins and extracellular polymeric substances. The mechanisms and degree of attachment are also affected by characteristics of mineral and organic particles including the size, surface area, charge and hydrophobicity. Environmental conditions such as the solution chemistry and temperature are also known to play an important role. Just as the size and surface of chemical particles can be highly variable, bacterial attachment mechanisms are also diverse.

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Section: Attachmentmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 97%

Cellular, particle and environmental parameters influencing attachment in surface waters: a review

et al. 2015

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“…Russo et al (2011) observed a minor influence of resuspension on waterborne coliforms in a slow-moving stream and speculated that waterborne E. coli was dominated by catchment sources. At Stn6, E. coli strains from fecal sources in the catchment averaged 2% of the waterborne E. coli population, while E. coli observed in the tile drainage effluents from the adjacent field comprised 14% of the waterborne E. coli.…”

Section: Comparative Contribution Of Sediment Versus Catchment Sourcementioning

confidence: 99%

“…Most water quality modeling studies assume that the exchange of E. coli at the sediment-water interface results from the suspension and transport of sediment particles, where FIB are irreversibly attached (Cho et al, 2010;Gao et al, 2011;Pandey et al, 2012;Russo et al, 2011). Pachepsky and Shelton (2011) recognized that sole reliance on sediment transport relationships to waterborne E. coli is a deficiency in such watershed models.…”

Section: Introductionmentioning

confidence: 99%

Reach specificity in sediment E. coli population turnover and interaction with waterborne populations

Piorkowski

Jamieson

Bezanson

et al. 2014

Science of The Total Environment

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“…For instance, there has been an increased effort to understand the effects of environmental changes on sediment yield [BORAH et al 2001;DE VENTE et al 2008;GUZMAN et al 2017;KUMAR et al 2014;PAK et al 2015;ZEINIVAND, SMEDT 2009;ZHANG et al 2013]. Some studies linked sediment yield with climate change [ZHANG et al 2016], water quality [BAI, WU--SENG 2005;RUSSO et al 2011], wildfire [CANFIELD et al 2005], aquatic life [PAPANICOLAOU, ABACI 2005], soil condition [FOX, MARTIN 2014;ZHANG et al 2016], and type of climate [MEKONNEN et al 2016]. However, recent Studies have shown that a planned land-use can be an effective management tool for soil conservation and reduction of sediment at a watershed scale [XIAO et al 2016;ZHAO et al 2017].…”

Section: Introductionmentioning

confidence: 99%

Impact of urbanization on the sediment yield in tropical watershed using temporal land-use changes and a GIS-based model

Bello

Hashim

Haniffah

2017

Journal of Water and Land Development

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Abundant rainfall areas promote sediment yield at both sub-watershed and watershed scale due to soil erosion and increase siltation of river channel, but it can be curtailed through planned urbanization. The urbanization of Skudai watershed is analysed from historical and future perspective. A GIS-based model (Hydrological Simulation Programme-FORTRAN-HSPF) is used to modelled sediment flow using basin-wide simulation, and the output result is utilized in evaluating sediment yield reduction due to increased urbanization by swapping multiple temporal land-use of decadent time-steps. The analysis indicates that sediment yield reduces with increase urban built-up and decrease forest and agricultural land. An estimated 12 400 tons of sediment will be reduced for every 27% increase in built-up areas under high rainfall condition and 1 490 tons at low rainfall. The sensitivity analysis of land-use classes shows that built-up, forest and barren are more sensitive to sediment yield reduction compared to wetland and agricultural land at both high and low rainfall. The result of the study suggests that increased urbanization reduced sediment yield in proportion to the rainfall condition and can be used as an alternative approach for soil conservation at watershed scale independent of climate condition.

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Considering Bacteria-Sediment Associations in Microbial Fate and Transport Modeling

Cited by 32 publications

References 36 publications

Cellular, particle and environmental parameters influencing attachment in surface waters: a review

Cellular, particle and environmental parameters influencing attachment in surface waters: a review

Reach specificity in sediment E. coli population turnover and interaction with waterborne populations

Impact of urbanization on the sediment yield in tropical watershed using temporal land-use changes and a GIS-based model

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