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Projects

Dynamic Sea Level Rise Assessments of the Ability ...

We are applying coupled hydrodynamic and marsh models to evaluate the potential for natural and nature-based features to mitigate flood risk under multiple scenarios, and to quantify the economic and ...
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Ecological Impacts of Sea Level Rise on Flood Prot...

We will evaluate how restored and natural coastal wetlands buffer flooding impacts in Coos Bay (Oregon) and Grays Bay (Washington). Why We Care Increasing flood and salinity levels from sea-level ...
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Evaluating the Efficacy of Island Restoration and ...

We are assessing how the effort to restore the footprint of Swan Island in Chesapeake Bay with dunes and dredged sediments is affecting ecosystems that surround the island and the ...
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Exploring Ecosystem and Community Vulnerability to...

We will identify the roles of natural and nature-based features and conventional infrastructure in controlling coastal flood hazards in the face of sea level rise. Our project will focus on ...
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Guidance for the Successful Use of Living Shorelin...

Living shorelines are an increasingly popular shoreline stabilization strategy because they protect against shoreline erosion while also providing habitat and enhancing water quality. The widespread adoption of living shorelines is ...
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How Natural and Nature-based Features Could Enhanc...

We will simulate sea level rise and rainfall scenarios to determine how mangroves in southwest Florida will be affected in the future and what protection they will provide against flooding, ...
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How to Increase Ecosystem Services of Coastal Beac...

The project team will use long-term monitoring data along the Oregon and Washington coast to evaluate the impact of sea level rise and storms on the geomorphology and ecology of ...
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Influence of Shoreline Changes on Chesapeake and D...

We are supporting a large-scale research project to predict how shoreline development interacts with other stresses to change coastal ecosystems and the species that live in them. Research findings apply ...
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Integrated Modeling of the Effects of Sea Level Ri...

We are advancing coastal dune and marsh modeling of the barrier islands, estuary and interior marshes in the Mississippi Sound to evaluate trade-offs between coastal management strategies and proposed restoration efforts ...
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Is an Old Dune a More Resilient Dune? Assessing Ho...

We will evaluate whether naturally vegetated dunes are more resilient to storm surge and erosion than bare or planted human-made dunes. The gradual development of natural dunes over a long ...
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News

Evaluating the Long-term Effect of Nourishing Daup...

Beach nourishment is a common method for rebuilding and maintaining beaches and dunes experiencing erosion from storms and sea level rise (SLR). However, the impacts of nourishment are mostly understood ...
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Wetlands in Intermittently Closed Estuaries Can Bu...

Along the U.S. Pacific Coast, many estuaries are not permanently open to the ocean, but shift between open and closed states. A NCCOS-supported study tested the hypothesis that intermittently-closed estuary ...
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Communicating and Understanding Ecosystem Services...

NCCOS-funded researchers from six institutions report on insights and lessons learned from stakeholder engagement. The engagement was conducted during a multi-year transdisciplinary project focused on quantifying and communicating the benefits ...
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Human Influences on Beach Loss (and Growth) in Ora...

Beaches are highly dynamic and their shape and size is the product of sediment being transported to the coast by rivers and bluff erosion and then shaped by physical forces ...
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Management of Wetland Impoundments for Fish, Mosqu...

Suisun Marsh (CA) collage. Credit USDOI et al, 2011. In San Francisco Bay’s Suisun Marsh, NCCOS sponsored research compared the plant species diversity, abundance, and community composition among natural tidal ...
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Story Map Highlights Marsh Vulnerability in San Fr...

A “marsh organ,” used to study the effects of different water levels on marsh vegetation and marsh migration, is deployed at the project study site. Credit: OSU and USGS. An ...
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Predicting the Socioeconomic Impacts of Shoreline ...

The tradeoffs between protection of private property and management of the public commons along coastlines are a source of increasing conflict given the threats posed by erosion and sea-level rise ...
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New Tools Address Threats to Anchialine Pools in H...

Anchialine pools in Hawaii are culturally important brackish ecosystems with an underground connection to the ocean and are threatened by sea level rise. An NCCOS-sponsored study developed methods to assess ...
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NCCOS Helps Military with Long-term Resiliency at ...

With coastal military installations increasingly impacted by surrounding urban areas, climate change and sea level rise, the U.S. Department of Defense (DOD) is implementing ecosystem-based management (EBM) for long-term resiliency ...
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New Methodology Combines Observations from Differe...

High quality satellite imagery is available for use at no cost, offering scientists an inexpensive opportunity to monitor changes to coastal wetlands throughout the year. However, cloud cover can prevent ...
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Products

Maps, Tools & Applications

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Data & Publications

An Earth’s Future Special Collection: Impacts of the coastal dynamics of sea level rise on low-gradient coastal landscapes

Rising sea level represents a significant threat to coastal communities and ecosystems, including altered habitats and increased vulnerability to coastal storms and recurrent inundation. This threat is exemplified in the northern Gulf of Mexico, where low topography, marshes, and a ...
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Biotic resistance, disturbance, and mode of colonization impact the invasion of a widespread, introduced wetland grass

Disturbance and biotic resistance are important factors driving plant invasions, but how these factors interact for plants with different modes of colonization (i.e., sexual and asexual) is unclear. We evaluated factors influencing the invasion of nonnative Phragmites australis, which has ...
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Coastal wetland response to sea-level rise in a fluvial estuarine system

Coastal wetlands are likely to lose productivity under increasing rates of sea-level rise (SLR). This study assessed a fluvial estuarine salt marsh system using the Hydro-MEM model under four SLR scenarios. The Hydro-MEM model was developed to apply the dynamics ...
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Contributions of organic and inorganic matter to sediment volume and accretion in tidal wetlands at steady state

A mixing model derived from first principles describes the bulk density (BD) of intertidal wetland sediments as a function of loss on ignition (LOI). The model assumes that the bulk volume of sediment equates to the sum of self-packing volumes ...
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Coupling centennial-scale shoreline change to sea-level rise and coastal morphology in the Gulf of Mexico using a Bayesian network

Predictions of coastal evolution driven by episodic and persistent processes associated with storms and relative sea-level rise (SLR) are required to test our understanding, evaluate our predictive capability, and to provide guidance for coastal management decisions. Previous work demonstrated that ...
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Developing and managing transdisciplinary and transformative research on the coastal dynamics of sea level rise: Experiences and lessons learned

There is increasing emphasis from funding agencies on transdisciplinary approaches to integrate science and end-users. However, transdisciplinary research can be laborious and costly and knowledge of effective collaborative processes in these endeavors is incomplete. More guidance grounded in actual project ...
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Diel differences in abundance and diversity of fish species and blue crab (Callinectes sapidus) in the sandy beach shore zone of lower Delaware Bay

Diel sampling was conducted during June–September 2013, in the shore zone and adjacent nearshore zone of Delaware Bay, Delaware, to identify day and night changes in nekton density, species richness, and the species assemblage. Mean species richness and total nekton ...
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Direct and indirect impacts of shoreline development on shallow-water benthic communities in a depauperate estuarine system

Modification of natural coastlines is prevalent as human coastal populations swell and effects of global climate change become clearer. We investigated effects of shoreline hardening and environmental factors on benthic infauna and trophic structure in the Patuxent River, Maryland, a ...
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Dynamic responses and implications to coastal wetlands and the surrounding regions under sea level rise

Two distinct microtidal estuarine systems were assessed to advance the understanding of the coastal dynamics of sea level rise in salt marshes. A coupled hydrodynamic-marsh model (Hydro-MEM) was applied to both a marine-dominated (Grand Bay, Mississippi) and a mixed fluvial/marine ...
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Dynamic simulation and numerical analysis of hurricane storm surge under sea level rise with geomorphologic changes along the northern Gulf of Mexico

This work outlines a dynamic modeling framework to examine the effects of global climate change, and sea level rise (SLR) in particular, on tropical cyclone-driven storm surge inundation. The methodology, applied across the northern Gulf of Mexico, adapts a present ...
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General Pages

Coastal Change

Coastal ChangeVulnerability, Mitigation, and RestorationVulnerability and Risk AssessmentCoastal decision makers need to understand the risks and vulnerabilities facing their communities and ecosystems in order to help them become resilient. Coastal ...
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ESLR Event Response Program

Effects of Sea Level Rise (ESLR) Event Response Program The pursuit of more resilient coastal communities and ecosystems has led to international efforts to better quantify environmental resilience and realize flood ...
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The Effects of Sea Level Rise Program (ESLR)

The Effects of Sea Level Rise Program (ESLR)Fiscal Year 2021 ESLR Federal Funding OpportunityAn informational webinar on the FY21 ESLR funding opportunity occurred at 3:30 PM ET on Tuesday September ...
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NOAA Internship Opportunities

Water Level Decision Support Geospatial Analysis

CO-OPS has developed a geospatial inventory tool to evaluate its National Water Level Observation Network (NWLON). The tool was developed to assist planners in modernizing the NWLON network. The tool ...
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Understanding Sea Level Rise Impacts to Wetlands a...

The South Slough National Estuarine Research Reserve (Reserve) established Sentinel Sites in the reserve to understand the local effects of sea level rise on tidal wetland plant communities, including emergent ...
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Climate and Anthropogenic Impacts on Critical Rese...

The Chesapeake Bay National Estuarine Research Reserve in Virginia (CBNERRVA; www.vims.edu/cbnerr) is engaged in understanding the vulnerability of critical emergent wetland habitats and submerged aquatic vegetation within the York River ...
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