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Projects

A Cost-benefit Analysis of Green-gray Infrastructu...

Locations of the two estuaries, Grays River and Coos Bay, that are the focus of this project. Credit: Oregon State University. We are evaluating the tradeoffs between gray and green ...

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 ...

Coastal Resilience Through Actionable Science: Eva...

We are using a coupled groundwater–surface water modeling system to evaluate the site-specific performance of proposed shoreline adaptation actions with sea level rise and storms. This will inform the design ...

Coastal Subsurface Water Table and Saltwater Intru...

In Southeast Florida we are developing an early warning system that tracks saltwater intrusion and water table changes to help decision makers and managers plan, adapt, and avoid potentially catastrophic ...

Defining Nationally Consistent Coastal Flood Sever...

We are using machine learning to determine more accurate flood severity thresholds along U.S. coastlines, particularly in places where tide gauge data is sparse, which will inform coastal flooding adaptation ...

Development of Adjusted Digital Elevation Models t...

We are developing historical digital elevation models (DEMs) that will help improve predictions of marsh extent under future sea level rise. Land managers can use this information to determine where ...

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 ...

News

Publication Describes How to Effectively Communica...

January 2024 storm brings flood waters to Acadia National Park's historic Blue Duck Ships Store on Little Cranberry Island in Maine. Credit: Melissa Amuso, National Park Service. NCCOS-funded researchers have ...

Hardening Shorelines to Reduce Saltwater Intrusion...

Many coastal communities consider building above- or below-ground seawalls to avoid the risk of saltwater mixing with the freshwater aquifers that they rely on for drinking water. NCCOS-funded scientists recently ...

NOS Leadership Visits New Hampshire to Discuss Pav...

In early August, leadership from NOAA’s National Ocean Service (NOS) visited NCCOS-funded project sites in New Hampshire to discuss ongoing coastal pavement resilience research.  Coastal communities rely almost exclusively on ...

Identifying Pathways to Match Dredged Material wit...

Researchers collecting elevation data during an initial site visit. Source: Keeping it in the System Story Map For many coastal communities, marshes help reduce coastal flooding by absorbing wave energy ...

Model Predicts Resilience of Roads After Flood Eve...

With coastal flooding becoming more common, roadway resilience to such events is top of mind for many communities. Pavements are highly susceptible to water infiltration during floods, resulting in damage ...

Scientists Attend the Network for Engineering with...

Trevor Meckley, NCCOS ESLR Program Manager, presenting as part of a discussion on hydrodynamic modeling needs for nature-based solutions. Credit: Olivia Allen, University of Georgia In late May, NCCOS scientists ...

Collaboratively Identifying Nature-Based Solutions...

Meeting attendees visited Mugu Point while discussing potential nature-based solution options. Credit: USACE NCCOS scientists recently visited the Navy Base Ventura County (NBVC) to explore the use of nature-based solutions ...

North Carolina Wetlands Not Keeping Up with Sea Le...

NCCOS researcher uses a surface elevation table to monitor elevation changes in a North Carolina salt marsh. Credit: NOAA. A new report from the North Carolina Surface Elevation Table Community ...

New Research Describes Performance of Nature-based...

One of the more significant impediments to the widespread adoption of Nature-based Solutions (NBS) for coastal protection is a lack of empirical evidence about how NBS perform. NBS involves the ...

Sediment Management Guide Supports Coastal Resilie...

Doran Beach, California, helps protect wetlands and a key harbor from storm surge and rising sea levels, but the dunes are gradually eroding and need to adapt to future changes ...

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)

FY24 Federal Funding Opportunity Key Dates October 6, 2023 at 3:00 - 4:00 p.m. ET - Webinar. October 24, 2023 at 3:30 - 5:30 p.m. ET - Office Hours. November ...

NOAA Internship Opportunities

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