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Article

Developing an EFDC and Numerical Source-Apportionment Model for Nitrogen and Phosphorus Contribution Analysis in a Lake Basin

1
School of Water Resources and Environment, China University of Geosciences (Beijing), Beijing 100083, China
2
United Center for Eco-Environment in Yangtze River Economic Belt, Chinese Academy for Environmental Planning, Beijing 100012, China
3
Rays Computational Intelligence Laboratory, Beijing Inteliway Envi. Sci & Tech, Ltd., Beijing 100871, China
4
Nanjing Innowater Environmental Science & Technology, Ltd., Nanjing 210012, China
5
College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China
*
Authors to whom correspondence should be addressed.
Water 2018, 10(10), 1315; https://doi.org/10.3390/w10101315
Received: 27 August 2018 / Revised: 20 September 2018 / Accepted: 21 September 2018 / Published: 23 September 2018
(This article belongs to the Section Water Quality and Contamination)
The numerical source-apportionment model is an efficient and useful method for analyzing water-quality responses to nutrient loading in rivers and lakes. In this study, the Environmental Fluid Dynamic Code (EFDC) and numerical source-apportionment model were applied to Lake Bali in Jiujiang City, China to predict the contributions of various pollution sources to the lake at any time and position. We calibrated and validated the model by comparing its predictions with observed hydrodynamic and water-quality parameters from 2014 to 2015. Application of the calibrated model to simulate water-quality responses to a pollution source showed that the contribution of a pollution source to water quality in the lake has strong spatial heterogeneity. The results provide useful information for the optimization of pollution load reduction in Lake Bali and can be used to determine the most effective implementation of its pollution-control plan. The model built in this study can also be used for pollution source-apportionment in other urban lakes and is superior to other traditional source-apportionment models. View Full-Text
Keywords: numerical source-apportionment; EFDC; contribution analysis; Lake Bali numerical source-apportionment; EFDC; contribution analysis; Lake Bali
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MDPI and ACS Style

Bai, H.; Chen, Y.; Wang, D.; Zou, R.; Zhang, H.; Ye, R.; Ma, W.; Sun, Y. Developing an EFDC and Numerical Source-Apportionment Model for Nitrogen and Phosphorus Contribution Analysis in a Lake Basin. Water 2018, 10, 1315. https://doi.org/10.3390/w10101315

AMA Style

Bai H, Chen Y, Wang D, Zou R, Zhang H, Ye R, Ma W, Sun Y. Developing an EFDC and Numerical Source-Apportionment Model for Nitrogen and Phosphorus Contribution Analysis in a Lake Basin. Water. 2018; 10(10):1315. https://doi.org/10.3390/w10101315

Chicago/Turabian Style

Bai, Hui, Yan Chen, Dong Wang, Rui Zou, Huanzhen Zhang, Rui Ye, Wenjing Ma, and Yunhai Sun. 2018. "Developing an EFDC and Numerical Source-Apportionment Model for Nitrogen and Phosphorus Contribution Analysis in a Lake Basin" Water 10, no. 10: 1315. https://doi.org/10.3390/w10101315

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