Island Creation and Stabilization Review and AdH Modeling to Develop Best Practices, Design Criteria, and Recommendations for Large Navigable River Island and Secondary Channel Management

Large navigable rivers have been modified in ways that channelize main channels and isolate off-channel aquatic areas to concentrate flow to create safe and efficient navigation channels.  Channelization eliminates natural island forming processes and degrades existing island and secondary channel habitat.   Concurrent levee building to reduce flood risks to agriculture and urban areas isolates seasonal […]

Utilizing EWN for Water, Sediment, and Contaminant Management in Agricultural Areas in the Midwest and Great Plains Regions

Extensive modifications of the landscape in the continental U.S. Great Plains and Midwest for agriculture has completely changed the hydrologic, sediment transport, and water quality characteristics of watersheds and streams in the regions. This has had profound effects on receiving water bodies downstream of extensively farmed areas: streams, rivers, lakes, and reservoirs, with erosion/sedimentation, water […]

Operational Beach Management Practices to Encourage Resilient Dune Development

Operational Beach Management Practices to Encourage Resilient Dune Development is a project designed to encourage consistent communication between the scientific community and coastal regulatory agencies to ensure that best-performing methods of beach management are being executed. Given the variability in beach management practices and regulations from coastline to coastline, this study aims to consolidate this […]

Removing “Artificial” from Artificial Habitats: 3D Printing Natural Materials to Unlock Complex Nature-Inspired Infrastructure

Infrastructure design focusing solely on engineering functionality misses opportunities to realize natural resource enhancements to achieve additional economic, environmental, and social benefits. Traditional manufacturing generates geometrically simple structures that do not mimic natural geometries.  The design freedom unlocked by 3D Printing (3DP) diverse synthetic and natural materials is ideal for mimicking natural aesthetics and rapidly […]

Big River Confluence Hydraulic and Ecosystem Dynamics

The pallid sturgeon is a federally endangered big-river fish species. It is the position of the U.S. Fish and Wildlife (U.S. FWS) that over time, river training structures have adversely affected pallid sturgeon by impacting the quality and quantity of habitats to which the species is adapted (e.g., braided channels, irregular flow patterns, flood cycles, […]

Linking Stream Mechanics and Engineering Design with Aquatic Biosystems: the Complete Ecological Puzzle

Maintaining a natural channel within a normal range of geomorphic dimensions and biological conditions with engineered, hydraulic structures is important for several reasons including sediment transport, depth variation, bedform and aquatic habitat maintenance, and aquatic faunal access to biocomplex habitats. By integrating engineered structures with aquatic biosystems, a holistic and complete stream corridor is achievable. […]

Using EWN to Create Habitat for Threatened and Endangered Species in the Gulf of Mexico: Demonstration of Conservation Planning with the USFWS

This research will complement and build on a DOTS Activity funded in FY21. The DOTS project assessed breeding bird phenology on six dredged material islands and two open disposal areas in Baptiste Collette Bayou, Louisiana. DOTS is funding the USGS to monitor these areas during the migratory and over-wintering seasons in fall-winter 2021-2022 to gather […]

Acequias as a Paradigm of Direct Community Involvement in Tribal Nation Water Resource Infrastructure and Watershed Management

Acequias are small irrigation diversions and earthen conveyances utilized by the tribal communities, among others, predominantly in northern New Mexico.  Communal irrigation practices have been utilized by Indigenous communities since before colonization of the region, and there is a strong cultural tradition that involves rural disparate communities cooperating to maintain main channels and diversions.  Recent […]

Investigation of Long-term Variations of Restored Shoreline and Marsh on Deer Island

Deer Island, a spindle-shaped 4.5-mile long island, is an extension of the Mississippi coastal mainland (Figure 1). The island suffers severe erosion from high waves and turbulent currents induced by hurricanes. Restoration of Deer Island’s ecosystem is a multi-phase initiative for which the dredged sediment from the Federal channel is being used to restore and […]