Are the Water Quality Improvement Measures of China’s South-to-North Water Diversion Project Effective? A Case Study of Xuzhou Section in the East Route
Bibliographic Data
| ID | 15501800 |
|---|---|
| Authors | Ye Pan (0000-0002-8408-2060, Fudan University), Yuan Yuan (0000-0001-7440-8939, Fudan University), Ting Sun (0000-0002-9320-8921, Fudan University), Yuxin Wang (0000-0002-0305-9820, Fudan University), Yujing Xie (0000-0001-9857-2661, Fudan University), Zhengqiu Fan (0000-0002-2908-811X, Fudan University, corresponding author) |
| Year | 2020 |
| Volume | 17 |
| Issue | 17 |
| Pages | 6388-6388 |
| Publication date | 2020-09-02 |
| Peer Reviewed | Yes |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | International Journal of Environmental Research and Public Health (JOURNAL) |
| Journal identifiers | ISSN: 1661-7827 • E-ISSN: 1660-4601 |
| Publisher | Multidisciplinary Digital Publishing Institute (PUBLISHER • CH) |
| DOI | 10.3390/ijerph17176388 |
| PMID | 32887294 |
| OpenAlex | W3082444211 |
| Language | EN |
| Citations received | 1 |
| References cited | 55 |
Xuzhou is the hub city of the east route of China's South-to-North Water Diversion (SNWD) project and implemented dozens of measures to ensure the water quality security of the water transmission line. In order to detect the effectiveness of water quality improvement measures, the monthly water quality data of five water quality parameters from 2005 to 2015 of six state-controlled monitoring sites in Xuzhou section were selected for analysis. The results showed that the water quality improved from 2.95 in 2005 to 2.74 in 2015, as assessed by the comprehensive water quality identification index (CWQII), and basically reached the Class III standards of China's Environmental Quality Standard for Surface Water (GB3838-2002) from 2011 to 2015. The trend analysis showed that the decline of ammonia nitrogen (NH 3 -N) was the most obvious among the five water quality parameters. However, the concentrations of phosphorus (TP) showed significant upward trends at three sites. The positive abrupt change of time series of water quality occurred in 2009-2011. The identification of influencing factors of water quality changes by multivariate statistical methods found that the urbanization factor accompanied by a decrease in agricultural nonpoint source pollution emissions and the enhancement of wastewater treatment capacity, the closure of factories with substandard emissions and precipitation were the major influencing factors of most water quality parameters, which confirmed the effectiveness of measures for water quality improvement in Xuzhou
Hydrology (agriculture · Surface water · Water quality · Water resource management · Water resources · Water security · Xuzhou · Engineering · Environmental Science · Hydrology and Watershed Management Studies · Urban Stormwater Management Solutions · Water Quality and Pollution Assessment · Environmental Engineering
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| Unique citing works | 1 |
|---|---|
| Citations per year | 0,2 |
| Citation span | 2021 - 2021 (1) |
| Citation velocity | historical |
| Highly cited | No |
| Citation types | Neutral: 1 |