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Projects

Advancing Natural Solutions to Sea Level Rise Impa...

We are advancing technical guidance to provide resource managers critical information to better prioritize and weigh trade offs among different coastal management strategies along 300 miles of the north-central California ...

Assessing Blue Carbon Storage at Sites Restored th...

To mitigate the impacts of climate change, there is a global initiative to quantify and award carbon credits for restoration and conservation of blue carbon habitats. These habitats are known ...

Assessing Nature Based Solutions to Mitigate Flood...

This research project will connect the National Water Model with coastal models to predict the performance of nature based solutions for reducing the flooding impacts of sea level rise and ...

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 ...

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 ...

Evaluating Risk of Tidal Marsh Inundation and Mone...

We are identifying the coastal wetlands in Georgia, South Carolina, and Delaware Bay that are most vulnerable to sea-level rise and quantifying the value of benefits they provide. We are ...

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 ...

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 ...

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 ...

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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News

New Research Improves Flood Modeling for Large Urb...

Coastal managers need accurate flood forecasts to protect communities from inundation. New research, funded in part by NCCOS, improves how levees are represented in flood models used to identify vulnerabilities ...

NOAA, Washington Sea Grant Assess Sea Level Rise V...

Camano Island flooding from December 2022 king tide. Credit: Washington State Department of Ecology Assessing and ranking the vulnerability of coastal habitats and infrastructure to sea level rise can provide ...

Los Angeles County Responds to NOAA-supported Floo...

Los Angeles Flood Risk - distribution of predominant race/ethnicity (left) and flood depth (right). Six weeks after the scientific study Large and inequitable flood risks in Los Angeles, California was ...

Atmospheric River Storms Threaten Communities and ...

Atmospheric rivers — also known as "rivers in the sky" — are long, narrow bands of concentrated water vapor that can produce high winds and massive amounts of snow and ...

Resilient Coastal Cities Need to Know the Five W’s...

There is growing evidence that flood risks in the United States have historically been underestimated, and will disproportionately impact individuals within low-wealth and marginalized communities. New research offers the Los ...

Drilling Holes in Alabama Roads to Learn How to Pr...

Top left: Drilling of a hole that can be used to place the instruments (moisture sensors and piezometers)Top right: Placement of a piezometer followed by three capacitance sensors to measure ...

New Study Examines the Role of Roots and Below Gro...

Dunes help protect communities from storms, and vegetation helps stabilize dunes by reducing wind and water erosion and by trapping and accumulating new sediment. While the importance of aboveground plant ...

Right Plants in Right Places Key to Island Restora...

Natural breakwaters — such as marshes, islands, and oyster reefs — help protect people and property from coastal flooding by damping wave energy and slowing storm surge. Despite these advantages, ...

Vulnerability Assessment Research Published in Nat...

Hurricane Irma damage. Credit: Paul Brennan, Pixabay. NCCOS's recent article on its community vulnerability assessment framework, published in Natural Hazards, is also featured on PreventionWeb — a global, knowledge-sharing platform ...

NCCOS Awards $11 Million for Research to Enhance C...

Motorists crossing a flooded street in a low-lying Norfolk neighborhood called Colonial Place, which floods at every high tide. Credit: Chesapeake Bay Program/Will Parson NOAA’s National Centers for Coastal Ocean ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

General Pages

Climate Change

Changes in climate and an increase in extreme events can alter coastal ecosystems and the services those ecosystems provide to support our coastal communities and economy. NCCOS’s research efforts seek ...

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 protection solutions with diverse benefits. The resilience of ...

Sea Level Rise and Inundation

We deliver improved assessments of natural resources and community vulnerability to inundation under current and future sea level rise scenarios. This is accomplished by a variety of teams of scientists ...

The Effects of Sea Level Rise Program (ESLR)

The ESLR program awarded $4 million in fiscal year 2022 to fund three new and 13 continuing research projects that will inform communities on how to best address sea level ...

NOAA Internship Opportunities

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NCCOS delivers ecosystem science solutions for stewardship of the nation’s ocean and coastal resources to sustain thriving coastal communities and economies.

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