Pollution Contribution Response in Governance and Potential Pollution Factors in Licun River
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study Area
2.2. Data Acquisition
2.3. Analytical Method
3. The Response of Water Quality and Pollution Contribution under Various Stages of Governance
3.1. The First Stage of Governance (2000–2007)
3.1.1. Emphasis and Main Measures in the Governance
3.1.2. The Response of Water Quality and Pollution Indexes
3.2. The Second Stage of Governance (2008–2016)
3.2.1. Emphasis and Main Measures in the Governance
3.2.2. The Response of Water Quality and Pollution Indices
3.3. The Third Stage of Governance (2017–2020)
3.3.1. Emphasis and Main Measures in the Governance
3.3.2. The Response of Water Quality and Pollution Indices
4. Potential Water Pollution Factors
4.1. The Contradiction between Sewage Collection and Treatment Capacity in Urban Development
4.2. Point Source Pollution Caused by Pipe Network Problems
4.2.1. Pipeline Access Rate of Low Point Source
4.2.2. Risk of the Increased Number of Point Sources
4.3. Water Shortage and Release of Silt Pollution
4.3.1. Water Shortage
4.3.2. Release of Silt Pollution
4.4. Non-Point Source Pollution
5. Conclusions
Author Contributions
Funding
Informed Consent Statement
Acknowledgments
Conflicts of Interest
Appendix A
N-2 | WP | |
---|---|---|
Significance Level (One-Sided Test) 0.05 | Significance Level (One-Sided Test) 0.1 | |
1 | 0.9969 | 0.9877 |
2 | 0.9500 | 0.9000 |
3 | 0.8783 | 0.8054 |
4 | 0.8114 | 0.7293 |
5 | 0.7445 | 0.6694 |
6 | 0.7067 | 0.6215 |
7 | 0.6664 | 0.5822 |
8 | 0.6319 | 0.5494 |
Underlying Surface Type | COD | NH3-N | TP | Area |
---|---|---|---|---|
Pavement | 200 | 1.66 | 0.21 | 30.32 |
Green space | 36 | 0.43 | 0.20 | 15.73 |
Roof | 40 | 0.55 | 0.12 | 21.83 |
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Zhang, M.; Wang, L.; Huang, X.; Zhang, X. Pollution Contribution Response in Governance and Potential Pollution Factors in Licun River. Sustainability 2022, 14, 3547. https://doi.org/10.3390/su14063547
Zhang M, Wang L, Huang X, Zhang X. Pollution Contribution Response in Governance and Potential Pollution Factors in Licun River. Sustainability. 2022; 14(6):3547. https://doi.org/10.3390/su14063547
Chicago/Turabian StyleZhang, Minghui, Lin Wang, Xuda Huang, and Xiaofeng Zhang. 2022. "Pollution Contribution Response in Governance and Potential Pollution Factors in Licun River" Sustainability 14, no. 6: 3547. https://doi.org/10.3390/su14063547