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THE EFFECT OF TRADABLE DISCHARGE PERMIT (TDP) PROGRAMS ON THE RELIABILITY OF WATER QUALITY IN RIVERS

TZE, LING NG (2003) THE EFFECT OF TRADABLE DISCHARGE PERMIT (TDP) PROGRAMS ON THE RELIABILITY OF WATER QUALITY IN RIVERS. Masters thesis, University of Illinois at Urbana-Champaign.

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Abstract

Tradable Discharge Permit (TDP) programs have shown, both in practice and in theory, to have tremendous potential as cost-effective methods of pollution control. Nevertheless, there are still many uncertainties regarding TDP programs that if not adequately addressed, might impair their success. Concerns range from issues of market failure that prevents optimal trading, to political agendas that differ from a typical TDP program in their priorities, to modeling difficulties that might cause erroneous predictions of cost savings and environmental performance. The hopelessness of trying to overcome these concerns all at once is recognized. And therefore, apart from a brief discussion where the more common of these uncertainties are identified and discussed, attention is focused only on the uncertainty associated with environmental modeling, specifically that associated with the stochastic aquatic environment. Numerous studies have been carried out to predict the potential impacts of TDP programs, whether positive or negative, on the environment they are intended to protect. These studies have been invaluable in laying essential groundwork for the further understanding and actual implementation of such programs. However, many of these studies assumed deterministic environmental models when in reality nothing is ever constant. The environment is an open system vulnerable to, amongst many other agents, weather variations and changes in microbial behavior. It is therefore, this study's goal to attempt to advance a step forward by re-assessing those same questions asked many times before, but this time without disregarding the stochastic nature of the environment. The Willamette and Athabasca Rivers in Oregon, USA and Alberta, Canada, respectively are used as example case studies. These systems are simulated to predict how they might respond if discharge permit trading were implemented. The Mean-Value First-Order Second-Moment (MFOSM) method is used to evaluate the reliability of each system's dissolved oxygen (DO) concentration meeting set standards, as a function of its BOD wasteload distribution and environmental randomness. The results show that trading does indeed influence environment quality. For the Willamette River, trading improves the water quality reliability. For the Athabasca River, trading makes the reliability worse. However, these effects are quite minimal in that, for any target reliability to be achieved that is reasonable, trading is found not to change the reliability significantly in comparison to that attained under a policy of no trading.

Item Type: Thesis (Masters)
Academic Subject : Academic Department - Civil Engineering - Water and environment - Environmental - Wastewater
Subject: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Engineering > Civil
Depositing User: Users 2053 not found.
Date Deposited: 22 Oct 2013 09:24
Last Modified: 22 Oct 2013 09:24
URI: http://utpedia.utp.edu.my/id/eprint/8961

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