Volume reduction outweighs biogeochemical processes in controlling phosphorus treatment in aged detention systems

Shukla, Asmita; Shukla, Sanjay Kumar; Annable, Michael D.; Hodges, Alan W.

doi:10.1016/j.jconhyd.2017.05.005

Cited by 9 publications

(2 citation statements)

References 59 publications

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“…This physical mechanism was also highlighted for a series of CSPs designed for agricultural runoff. Calculated P removal efficiencies were high due to infiltration of phosphorus laden runoff resulting in volume reduction not nutrient removal as confirmed by soil tests (Shukla et al, 2017). This behavior has the potential to create nutrient rich plumes that may reenter the surface water elsewhere and must be accounted for.…”

Section: Constructed Stormwater Pondsmentioning

confidence: 70%

Urban Stormwater Characterization, Control and Treatment

Moore

Rodak

Ahmed

et al. 2018

Water Environment Research

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A review of literature related to stormwater runoff characterization and its subsequent management and treatment from 2017 was conducted. The 250 articles summarized herein are organized along three central themes: (1) stormwater quality and quantity characteristics, (2) site-scale stormwater management practices, with a focus on low impact development (LID) and green infrastructure (GI), and (3) watershed-scale performance of stormwater controls. Within each section, common research themes and future work are highlighted.

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Section: Constructed Stormwater Pondsmentioning

confidence: 70%

Urban Stormwater Characterization, Control and Treatment

Moore

Rodak

Ahmed

et al. 2018

Water Environment Research

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“…Year 1 (2009-2010) received 25% more rainfall than year 2 (table 1). Furthermore, the January-May period of year 1 was categorized as the wettest spring in south Florida since 1932 (Shukla et al, 2017) after receiving 42% more rainfall than the historic average of 37.4 cm (Ali et al, 2000). The drainage requirements for a farm are a function of the magnitude and temporal distribution of rainfall.…”

Section: Water Dynamicsmentioning

confidence: 99%

Recovering Nitrogen from Farm-Scale Drainage: Mechanism and Economics

Shukla¹,

Shukla²,

Hodges³

2018

Transactions of the ASABE

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A two-year study evaluated the nitrogen (N) fluxes, processing, and treatment efficiency (TE) of a 14.85 ha stormwater detention area (SDA) receiving drainage from a vegetable farm in subtropical Florida. The TE was 62% and 89% in years 1 and 2, respectively. Seepage N losses are often ignored in estimating stormwater treatment. Approximately 11% and 20% of the incoming N left the SDA through seepage, reducing the TE to 51% and 67% in years 1 and 2, respectively, indicating the importance of subsurface N losses for downstream water quality. Rainfall variability controlled the timing and volume of the inflow drainage and surface water levels inside the SDA. Variable water levels controlled the aerobic and anoxic conditions inside the SDA, thus controlling the N processing and treatment. Coupled nitrification-denitrification, as a result of frequent wetting-drying cycles, was the main N treatment pathway during year 1. Drought conditions in year 2 led to 89% less surface outflow compared to year 1, resulting in water volume retention being the main process for N retention. The N TE could be increased from 68% to 86% if about two-thirds (63%) of aboveground biomass in the SDA area is harvested annually during the dry season. A payment for environmental services (PES) framework, with the state as buyer and the SDA owner as seller of N treatment services, was evaluated with a 20-year net present worth (NPW) of biomass harvesting for enhanced N treatment. The economic analysis included the benefit from composting the harvested biomass for on-farm use. A positive NPW ($835,000) indicated the economic feasibility of the project, predicting an annual benefit of $42,000 year -1 for the 112 ha farm. Scale-up of the PES approach can offer additional N treatment and C sequestration services as well as increased farm productivity.

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Sediment oxygen demand enhancement at the sediment/water interface of a shallow pond induced by pressure fluctuations from raindrop impact at the water surface

Higashino

Stefan

2021

Agricultural and Forest Meteorology

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Volume reduction outweighs biogeochemical processes in controlling phosphorus treatment in aged detention systems

Cited by 9 publications

References 59 publications

Urban Stormwater Characterization, Control and Treatment

Urban Stormwater Characterization, Control and Treatment

Recovering Nitrogen from Farm-Scale Drainage: Mechanism and Economics

Sediment oxygen demand enhancement at the sediment/water interface of a shallow pond induced by pressure fluctuations from raindrop impact at the water surface

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