2023 Early Hearing Detection & Intervention Conference
March 5-7, 2023 • Cincinnati, OH
5/24/2018 | 2:00 PM - 2:15 PM | 1997-2017: TWENTY YEARS OF RIPARIAN ZONE RESEARCH: WHERE TO NEXT? | 310 A
1997-2017: TWENTY YEARS OF RIPARIAN ZONE RESEARCH: WHERE TO NEXT?
Riparian zones have been used for water quality management with respect to nitrate (NO3-) in subsurface flow and total phosphorus (TP), sediments, and pesticides in overland flow for decades. Only recently has the dynamics of soluble reactive phosphorus (SRP), mercury (Hg), emerging contaminants, and greenhouse gas fluxes (GHG: N2O, CO2, CH4) been examined in riparian zones. For this talk, we show that riparian zones are overall efficient at reducing emerging contaminants in subsurface flow and only function as hot spots of methylmercury production in the landscape when dominated by Hg rich wet organic soils. However, riparian zones do not provide consistent benefits with respect to SRP removal or GHG emissions. More research should be conducted on how various practices, including stream restoration, subsurface drainage, two-stage ditches, beaver dam analogues, denitrification bioreactors and permeable reactive barriers, artificial wetlands, or short rotation forestry crops impact riparian water and air quality functions. Riparian zone benefits should also be discussed not only with respect to water and air quality, but also with respect to water quality or air quality tradeoffs associated with riparian zone management in a multi-contaminants / multi-use landscape context.
- Groundwater
- Management
- Water Quality
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Presenters/Authors
Philippe Vidon
(), The State University of New York College of Environmental Science and Forestry, pgvidon@esf.edu;
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Molly Welsh
(), The State University of New York College of Environmental Science and Forestry, mkwelsh@syr.edu;
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Yasaman Hassanzadeh
(), SUNY-ESF, ythassan@syr.edu;
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