Nutrients in Urban Stormwater Runoff: Current State of the Science and Potential Mitigation Options

Yang, Yun-Ya; Lusk, Mary G.

doi:10.1007/s40726-018-0087-7

Cited by 76 publications

(26 citation statements)

References 107 publications

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“…The mean 15 N for grass clippings, acorns, and oak leaves was -0.46 ‰ (range: -1.93 to 0.68), 1.58‰ (range: 1.55 to 1.60), and -1.24‰ (range: -1.70 to -0.83), respectively (Fig 7 and S3 Table). Whereas the mean 13 , respectively. This data was modeled using the IsoError mixing model (Phillips et al, 2005), which estimated that acorns (41%), followed by grass clippings (32%), and oak leaves (27%) were the dominant contributor of PON in stormwater runoff (Fig 7).…”

Section: Sources Of Particulate Organic Nitrogen In Stormwater Runoffmentioning

confidence: 94%

“…These were washed with deionized water and oven-dried at~80 o C before grinding to a fine powder. Both filter paper and the powder were then analyzed for 13…”

Section: Particulate Organic Nitrogen Sources Analysismentioning

confidence: 99%

“…The transport of N-both organic and inorganic-via urban stormwater runoff may be altered by changes in hydrology in watersheds [12,13]. Changes in hydrology can be related to weather (e.g., rainfall, temperature) and/or land use changes (e.g., urbanization, dam and reservoir release), which influence the hydrological pathways [14][15][16].…”

Section: Introductionmentioning

confidence: 99%

“…In addition to considering all N forms, including organic forms, and relating their transport to rainfall variables, it is also important to elucidate sources of N to watersheds. Sources of N in urban landscapes include atmospheric deposition, anthropogenic (e.g., fertilizers, automotive detergent, pet waste), and organic materials (e.g., throughfall from the urban tree canopy, leaf litter, grass clippings) [12,13,23,24]. A study in Pittsburgh, US, showed that NO 3 -N sources in an urban stream included atmospheric deposition (6 to 34%), sewage (72 to 94%), and denitrification processes (7 to 22%) [24].…”

Section: Introductionmentioning

confidence: 99%

“…The study also showed that organic N concentration, which was the primary N form (mean: 71% of TN across all sites), was strongly correlated with street canopy (r = 0.71, p<0.001). For source tracking of PON sources, dual isotopes of 13 C and 15 N have been reported as a useful tool [30][31][32].…”

Section: Introductionmentioning

confidence: 99%

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Composition of nitrogen in urban residential stormwater runoff: Concentrations, loads, and source characterization of nitrate and organic nitrogen

et al. 2020

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Stormwater runoff is a leading cause of nitrogen (N) transport to water bodies and hence one means of water quality deterioration. Stormwater runoff was monitored in an urban residential catchment (drainage area: 3.89 hectares) in Florida, United States to investigate the concentrations, forms, and sources of N. Runoff samples were collected over 22 storm events (May to September 2016) at the end of a stormwater pipe that delivers runoff from the catchment to the stormwater pond. Various N forms such as ammonium (NH 4-N), nitrate (NO x-N), dissolved organic nitrogen (DON), and particulate organic nitrogen (PON) were determined and isotopic characterization tools were used to infer sources of NO 3-N and PON in collected runoff samples. The DON was the dominant N form in runoff (47%) followed by PON (22%), NO x-N (17%), and NH 4-N (14%). Three N forms (NO x-N, NH 4-N, and PON) were positively correlated with total rainfall and antecedent dry period, suggesting longer dry periods and higher rainfall amounts are significant drivers for transport of these N forms. Whereas DON was positively correlated to only rainfall intensity indicating that higher intensity rain may flush out DON from soils and cause leaching of DON from particulates present in the residential catchment. We discovered, using stable isotopes of NO 3-, a shifting pattern of NO 3 sources from atmospheric deposition to inorganic N fertilizers in events with higher and longer duration of rainfall. The stable isotopes of PON confirmed that plant material (oak detritus, grass clippings) were the primary sources of PON in stormwater runoff. Our results demonstrate that practices targeting both inorganic and organic N are needed to control N transport from residential catchments to receiving waters.

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Section: Sources Of Particulate Organic Nitrogen In Stormwater Runoffmentioning

confidence: 94%

“…These were washed with deionized water and oven-dried at~80 o C before grinding to a fine powder. Both filter paper and the powder were then analyzed for 13…”

Section: Particulate Organic Nitrogen Sources Analysismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Composition of nitrogen in urban residential stormwater runoff: Concentrations, loads, and source characterization of nitrate and organic nitrogen

et al. 2020

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Analyzing long‐term water quality of lakes in Rhode Island and the northeastern United States with an anomaly approach

et al. 2021

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Addressing anthropogenic impacts on aquatic ecosystems is a focus of lake management. Controlling phosphorus and nitrogen can mitigate these impacts, but determining management effectiveness requires long-term datasets. Recent analysis of the LAke multi-scaled GeOSpatial and temporal database for the Northeast (LAGOS-NE) United States found stable water quality in the northeastern and midwestern United States; however, sub-regional trends may be obscured. We used the University of Rhode Island's Watershed Watch Volunteer Monitoring Program (URIWW) dataset to determine if there were sub-regional (i.e., 3000 km 2 ) water quality trends. URIWW has collected water quality data on Rhode Island lakes and reservoirs for over 25 yr. The LAGOS-NE and URIWW datasets allowed for comparison of water quality trends at regional and sub-regional scales, respectively. We assessed regional (LAGOS-NE) and sub-regional (URIWW) trends with yearly median anomalies calculated on a per-station basis. Subregionally, temperature and chlorophyll a increased from 1993 to 2016. Total nitrogen, total phosphorus, and the nitrogen:phosphorus ratio (N:P) were stable. At the regional scale, the LAGOS-NE dataset showed similar trends to prior studies of the LAGOS-NE with chlorophyll a, total nitrogen, and N:P all stable over time. Total phosphorus did show a very slight increase. In short, algal biomass, as measured by chlorophyll a in Rhode Island lakes and reservoirs increased, despite stability in total nitrogen, total phosphorus, and the nitrogen to phosphorus ratio. Additionally, we demonstrated both the value of long-term monitoring programs, like URIWW, for identifying trends in environmental condition, and the utility of site-specific anomalies for analyzing for long-term water quality trends.

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A stormwater management framework for predicting first flush intensity and quantifying its influential factors

Russo

Castro

Gioia

et al. 2022

Preprint

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Nutrients in Urban Stormwater Runoff: Current State of the Science and Potential Mitigation Options

Cited by 76 publications

References 107 publications

Composition of nitrogen in urban residential stormwater runoff: Concentrations, loads, and source characterization of nitrate and organic nitrogen

Composition of nitrogen in urban residential stormwater runoff: Concentrations, loads, and source characterization of nitrate and organic nitrogen

Analyzing long‐term water quality of lakes in Rhode Island and the northeastern United States with an anomaly approach

A stormwater management framework for predicting first flush intensity and quantifying its influential factors

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