Research on IFP Method for Water Quality Management

2013 ◽  
Vol 848 ◽  
pp. 259-262
Author(s):  
Yao Ji ◽  
Guo He Huang ◽  
Wei Sun
Keyword(s):  
Water Quality ◽  
Quality Management ◽  
Water Quality Management ◽  
Fuzzy Programming ◽  
Environmental Issues ◽  
Management Problem ◽  
Interval Numbers ◽  
Fuzzy Variables ◽  
Fuzzy Parameters ◽  
Management Issues

In this paper, an inexact fuzzy programming (IFP) method has been proposed to deal with nonpoint-resource pollution water quality management issues with interval and fuzzy parameters. In IFP method, parameters presented as interval numbers and fuzzy variables can be reflected simultaneously. This study introduced IFP into water quality management problem, and is also significant to other environmental issues under the similar situation.

scholarly journals Mathematical Modeling for Water Quality Management under Interval and Fuzzy Uncertainties

2013 ◽  
Vol 2013 ◽  
pp. 1-14 ◽  
Author(s):  
J. Liu ◽  
Y. P. Li ◽  
G. H. Huang
Keyword(s):  
Water Quality ◽  
Quality Management ◽  
Water Quality Management ◽  
Treatment Plant ◽  
Oxygen Demand ◽  
Interval Numbers ◽  
Nonpoint Sources ◽  
Xiangxi River ◽  
Constrained Programming ◽  
System Benefit

In this study, an interval fuzzy credibility-constrained programming (IFCP) method is developed for river water quality management. IFCP is derived from incorporating techniques of fuzzy credibility-constrained programming (FCP) and interval-parameter programming (IPP) within a general optimization framework. IFCP is capable of tackling uncertainties presented as interval numbers and possibility distributions as well as analyzing the reliability of satisfying (or the risk of violating) system’s constraints. A real-world case for water quality management planning of the Xiangxi River in the Three Gorges Reservoir Region (which faces severe water quality problems due to pollution from point and nonpoint sources) is then conducted for demonstrating the applicability of the developed method. The results demonstrate that high biological oxygen demand (BOD) discharge is observed at the Baishahe chemical plant and Gufu wastewater treatment plant. For nonpoint sources, crop farming generates large amounts of total phosphorus (TP) and total nitrogen (TN). The results are helpful for managers in not only making decisions of effluent discharges from point and nonpoint sources but also gaining insight into the tradeoff between system benefit and environmental requirement.

scholarly journals Water Nutrition and Quality Considerations for Cattle

EDIS ◽  
2008 ◽  
Vol 2008 (2) ◽  
Author(s):  
Matt Hersom ◽  
Sonja Crawford
Keyword(s):  
Water Quality ◽  
Quality Management ◽  
Water Intake ◽  
Toxic Elements ◽  
Water Quality Management ◽  
Quality Factors ◽  
Animal Sciences ◽  
Management Issues

AN-195, a 4-page factsheet by Matt Hersom and Sonja Crawford, discusses water quality management issues for cattle, how to estimate water intake, quality factors such as pH, salinity, nitrates and nitrites, and contaminants and toxic elements. Includes references. Published by UF Department of Animal Sciences, February 2008. AN195/AN195: Water Nutrition and Quality Considerations for Cattle (ufl.edu)

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