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Identify the seasonal differences in water quality and pollution sources between river-connected and gate-controlled lakes in the Yangtze River basin.
Bai, Yang; Wang, Yinuo; Wu, Daishe; Zhu, Jie; Zou, Binchun; Ma, Zhifei; Xu, Jinying; Li, Liangzhong.
Afiliación
  • Bai Y; School of Resources & Environment, Nanchang University, Nanchang 330031, PR China.
  • Wang Y; Information Center of Ministry of Ecology and Environment, Beijing 100029, PR China.
  • Wu D; School of Materials and Chemical Engineering, Pingxiang University, Pingxiang 337000, PR China.
  • Zhu J; Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, PR China.
  • Zou B; School of Resources & Environment, Nanchang University, Nanchang 330031, PR China.
  • Ma Z; School of Resources & Environment, Nanchang University, Nanchang 330031, PR China. Electronic address: zfma@ncu.edu.cn.
  • Xu J; School of Resources & Environment, Nanchang University, Nanchang 330031, PR China.
  • Li L; CAS Key Laboratory of Renewable Energy, Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, PR China. Electronic address: lilz@ms.giec.ac.cn.
Mar Pollut Bull ; 206: 116760, 2024 Sep.
Article en En | MEDLINE | ID: mdl-39079476
ABSTRACT
The river-connected Dongting Lake (DT) and Poyang Lake (PY), and the gate-controlled Taihu Lake (TH) and Chaohu Lake (CH) are the four important lakes in the Yangtze River Basin. The comprehensive Water Quality Index (WQI), the Eutrophication Integrated Index (TLI(Σ)), and the Positive Matrix Factorization (PMF) model were employed to evaluate water quality and the contribution of pollution sources for these lakes. The results show that WQI for all lakes indicated generally good water quality, with DT scoring 73.52-86.18, the highest among them. During the wet season, the eutrophication degree of river-connected lake was medium, and that of gate-controlled lakes was high. The surface runoff and agricultural non-point sources are the main pollution sources for both types of lakes, but their impact is more pronounced in gate-controlled lakes during the wet season. The study provides evidence support for scientific understanding of water quality problems and management strategies in these areas.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Estaciones del Año / Contaminantes Químicos del Agua / Calidad del Agua / Lagos / Monitoreo del Ambiente / Ríos / Eutrofización País/Región como asunto: Asia Idioma: En Revista: Mar Pollut Bull Año: 2024 Tipo del documento: Article Pais de publicación: Reino Unido
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Estaciones del Año / Contaminantes Químicos del Agua / Calidad del Agua / Lagos / Monitoreo del Ambiente / Ríos / Eutrofización País/Región como asunto: Asia Idioma: En Revista: Mar Pollut Bull Año: 2024 Tipo del documento: Article Pais de publicación: Reino Unido