Development of Natural Purification Technology Considering Material Cycle in River Reaches

Lim, Hyun Man; Park, Jaeroh

doi:10.17820/eri.2016.3.4.213

Cited by 2 publications

(1 citation statement)

References 7 publications

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“…Since the flow and water quality in upstream areas of a watershed are highly correlated to those in downstream areas, the end of a watershed is directly affected by the change in pollution or materials in upstream areas [22]. Rivers have the ability to purify water through selfpurification, but that becomes dysfunctional if the introduction of pollutants, such as point sources and NPSs, increases [23]. Thus, it cannot be expected that water quality will be improved at the end of a river.…”

Section: Analysis Of the Nps Improvement Effect Through The Applicati...mentioning

confidence: 99%

A Study on Identifying Priority Management Areas and Implementing Best Management Practice for Effective Management of Nonpoint Source Pollution in a Rural Watershed, Korea

et al. 2022

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It is difficult to accurately identify and manage the paths of nonpoint source (NPS) pollution in rural watersheds because their discharge patterns vary depending on season, region, and agricultural characteristics. In this study, flow and water quality during rainfall events were monitored in Songya watershed, an impaired, rural area in South Korea. A method of identifying priority management areas was proposed through scientific objectification and quantification of key factors controlling NPS, such as land use, agricultural type, and load. For the load calculation, a watershed model was developed using Hydrological Simulation Program Fortran (HSPF). Three priority management areas—Mulhan Stream, Osan Stream, and the upstream area of Songya Stream—were selected. Using the developed model, constructed wetlands with the capacity of 1000 m3 were applied at the lower reach of each priority management subbasin and the impacts on NPS pollution reduction were tested. The simulated results showed that BOD and TP concentrations at the outlet of Songya watershed were lowered by 9.2% and 6.0%, respectively. It is expected that the method proposed in this study for identifying priority management areas and implementing best management practice in agricultural watersheds can be applied to similar areas which struggled with NPS pollution.

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Section: Analysis Of the Nps Improvement Effect Through The Applicati...mentioning

confidence: 99%

A Study on Identifying Priority Management Areas and Implementing Best Management Practice for Effective Management of Nonpoint Source Pollution in a Rural Watershed, Korea

et al. 2022

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show abstract

Design and operating parameters of multi-functional floating island determined by basic experiments of unit processes

Lim¹,

Jang²,

Jung³

et al. 2018

J. Korean Soc. Water Wastewater

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Development of Natural Purification Technology Considering Material Cycle in River Reaches

Cited by 2 publications

References 7 publications

A Study on Identifying Priority Management Areas and Implementing Best Management Practice for Effective Management of Nonpoint Source Pollution in a Rural Watershed, Korea

A Study on Identifying Priority Management Areas and Implementing Best Management Practice for Effective Management of Nonpoint Source Pollution in a Rural Watershed, Korea

Design and operating parameters of multi-functional floating island determined by basic experiments of unit processes

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