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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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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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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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Improving Application of Marsh Predictions under S...

Coastal marshes support communities and economies by providing protection from storm surge and habitat for valuable species and recreation. To preserve these benefits, managers need short- and long-term estimates of ...
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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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Keeping it in the System: Beneficial Use of Dredge...

We are developing a framework and process for matching dredging needs with opportunities for beneficial use of the sediment at local marshes, to help marshes keep up with sea level ...
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Quantifying the Benefits of Natural and Nature-bas...

We will analyze how marshes, submerged aquatic vegetation, and other natural features reduce wave energy and flood risks along Maryland’s Chesapeake Bay and Atlantic coastal bays. Our findings will inform ...
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News

Researchers Evaluate Long-term Effect of Adding Sa...

NCCOS-sponsored research assessed the effectiveness of beach and dune nourishment on the morphological resilience of Dauphin Island, Alabama, for a 30-year period of beach management. Overall, the researchers found that ...
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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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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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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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Past, Present, and Future High Tide Flooding in Ch...

To aid in coastal planning, an NCCOS-sponsored study has developed a forecast of high tide flooding for the City of Charleston, South Carolina's historic peninsula section. In 1950, Charleston experienced ...
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Study Identifies Barriers, Opportunities for Benef...

A new NOAA-funded study outlines systemic changes that could be made in Southern California to encourage beneficial reuse of sediment to support coastal resilience. Sediment management is increasingly important as ...
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Products

Maps, Tools & Applications

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Data & Publications

A Scenario and Forecast Model for Gulf of Mexico Hypoxic Area and Volume

For almost three decades, the relative size of the hypoxic region on the Louisiana-Texas continental shelf has drawn scientific and policy attention. During that time, both simple and complex models have been used to explore hypoxia dynamics and to provide ...
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Carbon Dynamics on the Louisiana Continental Shelf and Cross-Shelf Feeding of Hypoxia

Large-scale hypoxia regularly develops during the summer on the Louisiana continental shelf. Traditionally, hypoxia has been linked to the vast winter and spring nutrient inputs from the Mississippi River and its distributary, the Atchafalaya River. However, recent studies indicate that ...
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Changes in Mississippi River Water Quality this Century: Implications for Coastal Food Webs

In this article, we quantify some important changes in water quality for the Lower Mississippi River for this century and then suggest their causes and possible impact ...
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Coastal eutrophication near the Mississippi river delta

Changes in delivery of river-borne nutrients such as dissolved phosphate, nitrate and silicate, owing to land-use changes and anthropogenic emissions, are known to result in eutrophication1— enhanced phytoplankton blooms—and more severe hypoxic events2–1 in many enclosed bays and seas. Although ...
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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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Dynamics and distribution of natural and human-caused coastal hypoxia

Water masses can become undersaturated with oxygen when natural processes alone or in combination with anthropogenic processes produce enough organic carbon that is aerobically decomposed faster than the rate of oxygen re-aeration. The dominant natural processes usually involved are photosynthetic ...
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Eutrophication-Driven Deoxygenation in the Coastal Ocean

Human activities, especially increased nutrient loads that set in motion a cascading chain of events related to eutrophication, accelerate development of hypoxia (lower oxygen concentration) in many areas of the world’s coastal ocean. Climate changes and extreme weather events may ...
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Gulf of Mexico Hypoxia: Exploring Increasing Sensitivity to Nitrogen Loads

Hypoxia is a critical issue in the Gulf of Mexico that has challenged management efforts in recent years by an increase in hypoxia sensitivity to nitrogen loads. Several mechanisms have been proposed to explain the recent increase in sensitivity. Two ...
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Hydrographic and chemical water parameters collected by CTD and other instruments from the Pelican and the Tommy Munro in coastal waters of Louisiana from 1994-07-24 to 1997-07-29 (NCEI Accession 0164298)

Hydrographic and chemical data were collected for a week in late July between 1994-1997 in order to survey the coastal hypoxia on Louisiana continental shelf. Nutrient, pigment, suspended sediment and station information data were also acquired. Data files provided in ...
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Louisiana Hypoxia Survey 2009: Biological, chemical, and physical data collected off the coast of Louisiana as part of the Hypoxia Studies in the Northern Gulf of Mexico project in 2009 (NODC Accession 0099531)

CTD data were taken during the 2009 surveys of the Louisiana continental shelf. Hydrographic data were obtained with the LUMCON SeaBird 911+ CTD system and a YSI 6820. Nutrient, pigment, suspended sediment, surface salinity, secchi depth, and station information data ...
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General Pages

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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Hypoxia Program

Hypoxia Research ProgramsWe investigate the relationship between nutrient pollution and downstream impacts to aquatic ecosystems. The figure below depicts the influence of nutrient pollution that drains into the Mississippi River ...
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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

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