scholarly journals Water quality improvement through five constructed serial wetland cells and its implications on nonpoint-source pollution control

2016 ◽  
Vol 61 (16) ◽  
pp. 2946-2956 ◽  
Author(s):  
Z. Jia ◽  
S. Tang ◽  
W. Luo ◽  
Y. Hai
Keyword(s):  
Water Quality ◽  
Quality Improvement ◽  
Nonpoint Source Pollution ◽  
Pollution Control ◽  
Nonpoint Source ◽  
Water Quality Improvement

scholarly journals Water balance computation and water quality improvement evaluation for Yanghe Basin in semiarid area of North China using coupled MIKE SHE/MIKE 11 modeling

2021 ◽  
Author(s):  
Ruifen Liu ◽  
Zeshi Li ◽  
Xiaokang Xin ◽  
Defu Liu ◽  
Jialei Zhang ◽  
...  
Keyword(s):  
Water Quality ◽  
Quality Improvement ◽  
Pollution Control ◽  
North China ◽  
Hydrological Cycle ◽  
Control Measures ◽  
Semiarid Area ◽  
Mike She ◽  
Water Quality Improvement ◽  
Mike 11

Abstract Water shortage and water pollution are two prominent issues in North China. Understanding hydrological cycle and water-quality changes in response to pollution control measures is fundamental for a better water management there. Using coupled MIKE SHE/MIKE 11 modeling, various hydrological components in Yanghe Basin in semiarid area of North China were quantified for three typical hydrological years and concentrations of COD and TP in a national monitoring section of Yanghe were evaluated with/without pollution control measures. The modeling results show that the underground water storage of Yanghe Basin gets depleted due to evapotranspiration compensation and groundwater utilization regardless of hydrological condition, indicating an unsustainable in-situ water resource utilization. Water quality goals set for Yanghe (COD ≤ 20 mg/L and TP ≤ 0.2 mg/L) can hardly be achieved if pollution control measures are not taken, especially for a dry hydrological year. Depending on hydrological conditions, non-point source control technology-related projects in a 109-km2 village and a 7-km river-channel wetland in mainstream of Yanghe will have a positive effect or negligible effect on water quality improvement. To meet water quality goals, implementation of three wetlands is an effective and economic way.

Integrating Water Quality Modeling with Ecological Risk Assessment for Nonpoint Source Pollution Control: A Conceptual Framework

1993 ◽  
Vol 28 (3-5) ◽  
pp. 431-440 ◽  
Author(s):  
Y. David Chen ◽  
Steve C. McCutcheon ◽  
Todd C. Rasmussen ◽  
Wade L. Nutter ◽  
Robert F. Carsel
Keyword(s):  
Water Quality ◽  
Risk Assessment ◽  
Ecological Risk ◽  
Nonpoint Source Pollution ◽  
Ecological Risk Assessment ◽  
Pollution Control ◽  
Nonpoint Source ◽  
Water Quality Modeling ◽  
Management Framework ◽  
Quality Modeling

The historical development of water quality protection goals and strategies in the United States is reviewed. This review leads to the identification and discussion of three components (i.e., management mechanism, environmental investigation approaches, and environmental assessment and criteria) for establishing a management framework for nonpoint source pollution control. Water quality modeling and ecological risk assessment are the two most important and promising approaches to the operation of the proposed management framework. A conceptual framework that shows the general integrative relationships between water quality modeling and ecological risk assessment is presented.

OIL POLLUTION CONTROL LEGISLATION AND THE WATER QUALITY IMPROVEMENT ACT OF 1970, THE FEDERAL VIEWPOINT

1971 ◽  
Vol 1971 (1) ◽  
pp. 11-15
Author(s):  
K.E. Biglane ◽  
R.H. Wyer
Keyword(s):  
Water Quality ◽  
Quality Improvement ◽  
Pollution Control ◽  
Oil Pollution ◽  
Point Of View ◽  
Oil Removal ◽  
Water Quality Improvement ◽  
The Impact

ABSTRACT The Water Quality Improvement Act of 1970 was enacted and signed into law on April 3, 1970. This Act provides the mechanism for strong Federal actions relating to oil removal, prevention and enforcement. This paper discusses the most significant provisions of the Act and describes the Federal point of view relating to key provisions. Emphasis is placed on the rationale behind the designation of a harmful quantity of oil, the impact of the notification requirement, adequacy of oil removal procedures, prevention of spills, and enforcement provisions.

Management of agricultural nonpoint source pollution in China: current status and challenges

2006 ◽  
Vol 53 (2) ◽  
pp. 1-9 ◽  
Author(s):  
Xiaoyan Wang
Keyword(s):  
Water Pollution ◽  
Water Quality ◽  
Nonpoint Source Pollution ◽  
Pollution Control ◽  
Rural Areas ◽  
Nonpoint Source ◽  
Policy Framework ◽  
Current Status ◽  
Agricultural Nonpoint Source Pollution ◽  
Agricultural Nonpoint Source

Water quality in China shows an overall trend of deterioration in recent years. Nonpoint source pollution from agricultural and rural regions is the leading source of water pollution. The agricultural nonpoint source pollutants are mainly from fertilization of cropland, excessive livestock and poultry breeding and undefined disposal of daily living wastes in rural areas. Agricultural nonpoint sources contribute the main source of pollution to most watersheds in China, but they are ignored in management strategy and policy. Due to the lack of full understanding of water pollution control and management and the lack of perfect water quality standard systems and practical legislative regulations, agricultural nonpoint source pollution will become one of the biggest challenges to the sustainable development of rural areas and to society as a whole. The system for agricultural nonpoint source pollution control in China should include an appropriate legislation and policy framework, financing mechanisms, monitoring system, and technical guidelines and standards. The management of agricultural nonpoint source pollution requires multidisciplinary approaches that will involve a range of government departments, institutions and the public.

Sign in / Sign up

Export Citation Format

Share Document