2016
DOI: 10.3390/w8090390
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Phosphorus Retention in Stormwater Control Structures across Streamflow in Urban and Suburban Watersheds

Abstract: Abstract:Recent studies have shown that stormwater control measures (SCMs) are less effective at retaining phosphorus (P) than nitrogen. We compared P retention between two urban/suburban SCMs and their adjacent free-flowing stream reaches at the Baltimore Long-Term Ecological Study (LTER) site, and examined changes in P retention in SCMs across flow conditions. Results show that, when compared with free-flowing stream reaches, the SCMs had significantly lower dissolved oxygen (%DO) and higher P concentrations… Show more

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Cited by 30 publications
(32 citation statements)
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“…However, there is growing interest and effort in restoration and management of watersheds to mitigate the effects of land use and climate change, there can be unanticipated trade-offs and unintended consequences that alter water quality. For example, while previous work has shown that storm water management control structures and stream restoration can retain nitrogen due to denitrification [ 19 , 43 , 44 ], other work shows that phosphorus can be released from sediments in response to decreased oxygen availability [ 45 ]. In the special issue, Duan et al show that phosphorus can be released from sediments in storm water management control structures during low flow due to changes in redox potential, warmer temperatures, and internal loading from sediments to streams [ 45 ].…”
Section: Characterizing Interactive Stages Of Land Use and Climatementioning
confidence: 99%
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“…However, there is growing interest and effort in restoration and management of watersheds to mitigate the effects of land use and climate change, there can be unanticipated trade-offs and unintended consequences that alter water quality. For example, while previous work has shown that storm water management control structures and stream restoration can retain nitrogen due to denitrification [ 19 , 43 , 44 ], other work shows that phosphorus can be released from sediments in response to decreased oxygen availability [ 45 ]. In the special issue, Duan et al show that phosphorus can be released from sediments in storm water management control structures during low flow due to changes in redox potential, warmer temperatures, and internal loading from sediments to streams [ 45 ].…”
Section: Characterizing Interactive Stages Of Land Use and Climatementioning
confidence: 99%
“…For example, while previous work has shown that storm water management control structures and stream restoration can retain nitrogen due to denitrification [ 19 , 43 , 44 ], other work shows that phosphorus can be released from sediments in response to decreased oxygen availability [ 45 ]. In the special issue, Duan et al show that phosphorus can be released from sediments in storm water management control structures during low flow due to changes in redox potential, warmer temperatures, and internal loading from sediments to streams [ 45 ]. Duan et al suggest that planting macrophytes and/or dredging and removing sediments can potentially increase the effectiveness of storm water management controls to retain nitrogen and phosphorus.…”
Section: Characterizing Interactive Stages Of Land Use and Climatementioning
confidence: 99%
“…First, biophysical processes in SCMs vary by constituent, creating diverging patterns in effectiveness attributed to SCM size, type, age, and location (Koch et al, 2014;Liu et al, 2017;Pennington, Kaplowitz, & Witter, 2003). For example, Winston, Page, and Hunt (2013) and Line and White (2015) observed decreased total phosphorus (TP) attributed to sedimentation of particulate fractions in bioretention areas, whereas Duan, Newcomer-Johnson, Mayer, and Kaushal (2016) found that particulate P was retained only during high flows and subsequently released during low flows. Second, watershed storage and release of pollutants is also related to historical land use (Chen, Hu, Guo, & Dahlgren, 2015;Van Meter & Basu, 2015).…”
mentioning
confidence: 99%
“…In fact, one form of water quality management can exacerbate management of another due to differences in fate and transformation. For example, anoxic conditions and organic matter are needed to foster denitrification and nitrate removal in riparian zones, but anoxic conditions and low redox potential enhance desorption of P from Fe and Mn oxyhydroxides (sensu Duan et al 2016).…”
Section: Managing Multiple Chemical Cocktails and Contaminants In A Cmentioning
confidence: 99%