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31

The Least NRCS NRCS Dam: Using HEC-RAS to Evaluate a Unique NRCS Dam.

Crabtree Creek Dam No. 5A (CC5A) is a Natural Resource Conservation Service (NRCS) dam located in Wake County, North Carolina. The dam was constructed in 1973 along Interstate 40 (I-40). I-40 is a major interstate highway along the southeastern and southwestern portions of the United States. I-40 was constructed prior to the construction of CC5A, […]

32

Oakdale Drainage Improvement Project: Overcoming Flood Mitigation Challenges in a Century Old Neighborhood

The Oakdale drainage area is located in the South Norfolk Historic District in the City of Chesapeake. This stormwater basin is primarily comprised of residential properties that were developed in the first half of the 20th century. In recent years, this area has begun to experience a higher frequency of flooding events, likely due to […]

33

Compound Urban Flooding: The Emerging Hazard for Large Metropolitan Areas Located Along Tidal Rivers

Compound floods from the co-occurrence of multiple flood drivers like riverine flow, storm surges, sea-level rise, and extreme rainfall have impacted several cities across the United States (US) in recent years. Metropolitan areas located in the coastal regions of the US have become increasingly vulnerable to such flooding conditions due to their exposure to multiple […]

34

Urban Stream Design for Interactivity

At the root of much debate surrounding ecosystem restoration projects is whether we are restoring to a condition solely for natural habitat or whether the restoration should be designed for human interaction.  Considering these perspective, as well as the future needs at the project site,  are important when determining site-specific design objectives.  Many streams throughout […]

35

Beyond Rainfall: Advanced Modeling for Resilient Stormwater Solutions in Aberdeen Gardens

Aberdeen Gardens is a residential neighborhood and National Historic District located in Hampton, VA with a history of flooding given its proximity to both Aberdeen Creek, which bisects the neighborhood, and Newmarket Creek which abuts the southern end of the neighborhood. Many of the homes were built near both tidally influenced creeks and within the […]

36

Show Me the Value! Virginia Beach’s Flood Model Visualization and Exposure Tool

The City of Virginia Beach is faced with the challenge of providing flood control and stormwater drainage services while complying with stormwater management regulations, surface water quality requirements, and climate stressors that are increasing the intensity and frequency of large storms and sea level rise. These conditions have led to increased occurrences of moderate to […]

37

Developing Comprehensive Neighborhood Solutions in Southern Virginia Beach Feels Like Chasing Your Tailwater

The City of Virginia Beach has completed the Upper West Neck Creek Drainage Basin Stormwater Master Plan (UWNC DB SWMP) which encompasses approximately 20 square miles and includes over 100 simulated flood areas (SFAs). This is the first large drainage basin completed since the Linkhorn Bay Drainage Basin Stormwater Master Plan case study (approximately 3 […]

38

Spring Creek Coastal Resiliency Hazard Mitigation Project

The New York State Department of Environmental Conservation (NYSDEC) has been awarded a grant from the Department of Homeland Security’s Federal Emergency Management Agency (FEMA) Hazard Mitigation Grant Program (HMGP) (application 4085-0005) for the implementation of Coastal Storm Risk Management (CSRM) measures at Spring Creek South.  NYSDEC, U.S. Army Corps of Engineers (DEC’s Management Contractor), […]

39

Climate Change Adaptation Strategies for Stream Restoration and Asset Protection

Riverine ecosystems are dynamic landscape features that provide essential functions such as cycling nutrients, filtering contaminants from runoff, absorbing and gradually releasing floodwaters, maintaining fish and wildlife habitats, recharging ground water, and maintaining stream flow.   Human-induced changes to the landscape, primarily agricultural activities and urbanization are known to impact stream ecosystems.  Progress has been made […]

40

Developing an Actionable Stormwater Platform

The City of Portsmouth is currently developing a flood resilience strategy to protect the community from flood hazards, reduce risks like street flooding, and enhance safety services during storm events. It is also building a citywide stormwater model using the USEPA Storm Water Management Model (SWMM) to analyze existing drainage systems and develop potential mitigation […]