UNCERTAINTY ESTIMATION FOR TRADING RATE SYSTEM FOR EFFLUENT TRADING IN DAGU RIVER BASIN BASED ON SWAT MODEL

XU Xiaomei; WANG Taishan; LIANG Ying; ZHANG Junlong; FENG Juan

doi:10.13205/j.hjgc.202202027

Volume 40 Issue 2

Apr. 2022

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2022 > 40(2): 177-183

XU Xiaomei, WANG Taishan, LIANG Ying, ZHANG Junlong, FENG Juan. UNCERTAINTY ESTIMATION FOR TRADING RATE SYSTEM FOR EFFLUENT TRADING IN DAGU RIVER BASIN BASED ON SWAT MODEL[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(2): 177-183. doi: 10.13205/j.hjgc.202202027

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XU Xiaomei, WANG Taishan, LIANG Ying, ZHANG Junlong, FENG Juan. UNCERTAINTY ESTIMATION FOR TRADING RATE SYSTEM FOR EFFLUENT TRADING IN DAGU RIVER BASIN BASED ON SWAT MODEL[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(2): 177-183. doi: 10.13205/j.hjgc.202202027

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UNCERTAINTY ESTIMATION FOR TRADING RATE SYSTEM FOR EFFLUENT TRADING IN DAGU RIVER BASIN BASED ON SWAT MODEL

doi: 10.13205/j.hjgc.202202027

1. College of Environmental Science and Engineering, Qingdao University, Qingdao 266071, China;
2. Science and Technology Department, Qingdao University, Qingdao 266071, China

Received Date: 2021-04-19
Available Online: 2022-04-02
Publish Date: 2022-04-02

Abstract

Abstract

Effluent trading is a cost-effective and efficient water quality management measure. Due to the physicochemical characteristics of water pollutants and stream self-purification, equity of the measure is facing huge challenges. These will seriously affect the efficiency of effluent trading and the realization of water quality objectives. Trading ratio is an effective way to solve this challenge. In this study, the SWAT model was used to simulate the hydrology and water quality of Dagu River basin. Then the response of NH₃-N(ammonia nitrogen) loading in estuary to different pollution sources was obtained. On this basis, the spatial heterogeneity of trading ratio was analyzed, and the uncertainty estimation of the trading ratio system of discharge permits for NH₃-N among different pollution sources was carried out. The results can not only lay a foundation for the establishment and improvement of the effluent trading system, but also provide support for watershed management and ecological restoration.
- trading ratio,
- effluent trading,
- uncertainty,
- SWAT,
- water quality management

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References(22)

References

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