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Int. J. Environ. Res. Public Health 2015, 12(10), 12212-12224; doi:10.3390/ijerph121012212

Water Environmental Capacity Analysis of Taihu Lake and Parameter Estimation Based on the Integration of the Inverse Method and Bayesian Modeling

School of Economics and Management, Beihang University, Beijing 100191, China
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Author to whom correspondence should be addressed.
Academic Editors: Rao Bhamidiammarri and Kiran Tota-Maharaj
Received: 23 May 2015 / Revised: 11 September 2015 / Accepted: 22 September 2015 / Published: 29 September 2015
(This article belongs to the Special Issue Environmental Systems Engineering)
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Abstract

An integrated approach using the inverse method and Bayesian approach, combined with a lake eutrophication water quality model, was developed for parameter estimation and water environmental capacity (WEC) analysis. The model was used to support load reduction and effective water quality management in the Taihu Lake system in eastern China. Water quality was surveyed yearly from 1987 to 2010. Total nitrogen (TN) and total phosphorus (TP) were selected as water quality model variables. Decay rates of TN and TP were estimated using the proposed approach. WECs of TN and TP in 2011 were determined based on the estimated decay rates. Results showed that the historical loading was beyond the WEC, thus, reduction of nitrogen and phosphorus input is necessary to meet water quality goals. Then WEC and allowable discharge capacity (ADC) in 2015 and 2020 were predicted. The reduction ratios of ADC during these years were also provided. All of these enable decision makers to assess the influence of each loading and visualize potential load reductions under different water quality goals, and then to formulate a reasonable water quality management strategy. View Full-Text
Keywords: water environmental capacity; Bayesian approach; inverse method; eutrophication water environmental capacity; Bayesian approach; inverse method; eutrophication
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Li, R.; Zou, Z. Water Environmental Capacity Analysis of Taihu Lake and Parameter Estimation Based on the Integration of the Inverse Method and Bayesian Modeling. Int. J. Environ. Res. Public Health 2015, 12, 12212-12224.

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