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Article

Water Quality Trading Framework with Uncertainty for River Systems Due to Climate and Population Characteristics

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Department of Civil and Environmental Engineering, University of Utah, Salt Lake City, UT 84112, USA
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Department of Civil, Construction, and Environmental Engineering, University of Alabama, Tuscaloosa, AL 35487, USA
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Department of City and Metropolitan Planning, University of Utah, Salt Lake City, UT 84112, USA
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Department of Atmospheric Sciences, University of Utah, Salt Lake City, UT 84112, USA
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Author to whom correspondence should be addressed.
Academic Editors: Arnaud Reynaud and Luís Filipe Sanches Fernandes
Water 2021, 13(13), 1738; https://doi.org/10.3390/w13131738
Received: 27 May 2021 / Revised: 18 June 2021 / Accepted: 21 June 2021 / Published: 23 June 2021
(This article belongs to the Section Water Resources Management, Policy and Governance)
Climate change and population growth serve as fundamental problems in assessing potential impacts on future surface water quality. In addition to uncertainties in climate depicted in various representative concentration pathway (RCP) scenarios, futuristic population growth mimicking historical conditions is subject to uncertainties related to changing development patterns. The combination of climate change and population characteristics exacerbates concerns regarding the future water quality performance of river systems. Previous studies have established linkages among future climate, population impacts and watershed water quality performance. However, these linkages have not been specifically incorporated into water quality trading programs. Rather than temporally-variant adjustment factors, WQT programs use constant margins of safety for pollutant reduction credits resulting in trade ratios that do not explicitly account for futuristic climate and population uncertainties. Hence, this study proposes a conceptual framework for water quality trading establishing adjustment factors as margins of safety on trade ratios for pollutant reduction credits examining climate and population characteristics separately followed by evaluating them combined. This new framework is demonstrated using a programming script that calculates the margins of safety based on simulation results conducted through a water quality model of the Jordan River in Salt Lake City, UT, USA over a 3-year timeframe. With margins of safety over magnitudes of ±2 over the Jordan River simulations, this research introduces the framework as a foundation for developing adjustment factors for addressing climatic and population characteristics upon river systems. View Full-Text
Keywords: water temperature; flow quantity; climate change; nitrogen; phosphorus; biochemical oxygen demand (BOD); water quality trading; water quality analysis simulation program (WASP) water temperature; flow quantity; climate change; nitrogen; phosphorus; biochemical oxygen demand (BOD); water quality trading; water quality analysis simulation program (WASP)
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MDPI and ACS Style

Su, J.-Y.; Goel, R.; Burian, S.; Hinners, S.J.; Kochanski, A.; Strong, C.; Barber, M.E. Water Quality Trading Framework with Uncertainty for River Systems Due to Climate and Population Characteristics. Water 2021, 13, 1738. https://doi.org/10.3390/w13131738

AMA Style

Su J-Y, Goel R, Burian S, Hinners SJ, Kochanski A, Strong C, Barber ME. Water Quality Trading Framework with Uncertainty for River Systems Due to Climate and Population Characteristics. Water. 2021; 13(13):1738. https://doi.org/10.3390/w13131738

Chicago/Turabian Style

Su, Juhn-Yuan, Ramesh Goel, Steven Burian, Sarah J. Hinners, Adam Kochanski, Courtenay Strong, and Michael E. Barber 2021. "Water Quality Trading Framework with Uncertainty for River Systems Due to Climate and Population Characteristics" Water 13, no. 13: 1738. https://doi.org/10.3390/w13131738

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