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Modeling Mae Gustin (PI); Keith Dennett (co-PI); Susan Donaldson (co-PI); Eric Marchand (co-PI); Laurel Saito (co-PI) Funded by: USDA-CSREES and City of Reno
* 2003-2005 * The overall objective of the project is to determine the management criteria for an optimum wetland design that maximizes nutrient removal while minimizing methylmercury (MeHg) production. This objective is a critical need for watershed management decisions made regarding wetland construction in the Steamboat Creek-Truckee River System and could significantly improve water quality if done properly. However, management methods need to be based on sound scientific data so that the mercury contamination issue associated with the watershed is not exacerbated, and nutrient and sediment removal efficiency are optimized. The project involves monitoring, experimental manipulations in the pilot constructed wetlands, development of a numerical model for wetland management, development of an educational curriculum on wastewater treatment and the importance of wetland ecosystems for contaminant removal, and community outreach. Dr. Saito and her graduate student, Scott Brown, are developing the numerical model for wetland management based on water quality, sediment and wetland characteristics that fits this hydrologic system in support of this overall objective. This model may be applied to address watershed management issues in the Steamboat Creek watershed, and will also be adaptable for other watersheds. Publications: Brown S*, Saito L, Knightes C, Gustin M. 2007. Calibration and evaluation of a mercury model for a western stream and constructed wetland. Water, Air, and Soil Pollution 182(1-4):275-290. Brown S*, Gustin MS, Saito L. 2006. Characterization of mercury behavior in Steamboat Creek and wetland mesocosm. Journal of the Nevada Water Resources Association 3(1):41-63. For further information contact Dr. Saito, lsaito@cabnr.unr.edu
Photos of the constructed wetlands
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