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71

Assessment of Sources Affecting and Prediction of Event Mean Concentrations (EMCs) of Nutrients and Sediment in Urban Runoff Using Supervised Machine Learning Approaches

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Urbanization results in higher runoff, sediment, and nutrients loadings, causing degraded water quality downstream. Event mean concentration (EMC) is a common method used in most watershed models for estimating nutrients and sediment loads in urban runoff. Land use and antecedent dry period (ADP) are known factors affecting water quality (WQ) EMCs; however, several studies have shown […]

73

Flood Forecast Alerting based on NOAA’s National Water Model

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In 2018, Wood kicked-off a project with the Maryland Department of the Environment (MDE), Maryland Environmental Service (MES), the US Army Corps of Engineers (USACE) to research the use of NOAA’s National Water Model (NWM) for riverine flood forecasting.  The National Water Model (NWM) “is a hydrologic model that simulates observed and forecast streamflow over […]

74

Vertebrate Community Trajectory in Regenerative Stream Conveyance (RSC) Restoration

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This study assessed the trade-offs inherent in stream restorations using the Regenerative Stream Conveyance (RSC) or restored stream-wetland technique. Specifically, it quantifies the aquatic vertebrate community trajectories that should be expected from RSC restorations implemented in lowland Coastal Plain streams with nutrient-rich waters. We defined the reference conditions (minimally-disturbed) for Coastal Plain aquatic vertebrate communities […]

75

Current Best Design Practices Using Articulating Concrete Blocks (ACBs) in Super Critical Flow Conditions

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This presentation will cover a brief history of the technology development relating to ACB design and applications leading up to the current design guidance considered the best practice for the industry. The evolution of the Factor of Safety calculations (FOS) has evolved over the last 30 years, culminating in 2010 with the PhD dissertation of […]