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Projects

Eutrophication and Oyster Aquaculture in the Potom...

Eutrophication is the overabundance of nutrients in a body of water that results in harmful algal blooms, which can lead to depletion of dissolved oxygen and loss of fish and ...

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 ...

Forecasting Chesapeake Bay Fishery Resources

We are developing a model to forecast striped bass recruitment in the Chesapeake Bay and are partnering with NOAA's National Marine Fisheries Service to incorporate the model in fish stock ...

Harmful Algal Bloom (HAB) Forecasting

Our offshore HAB forecasts notify coastal managers before blooms reach the coast. Our forecasts identify harmful blooms, location, size and trajectory. Our early warnings provide health officials, managers and water ...

Histological Techniques for Marine Bivalve Mollusk...

To best manage marine resources such as bivalve mollusks (i.e., clams, oysters) and crustaceans (i.e., crabs), scientists must have access to the tools needed to study the health of these ...

How will Climate Change Affect Harmful Algal Speci...

We are supporting research that will determine how future increases in temperature and ocean acidity will affect harmful algal bloom species (HABs) and their grazers. Light micrograph of Karlodinium veneficum ...

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 ...

Integrating Cell and Toxin Cycles of the Dinoflage...

Blooms of Karlodinium veneficum can produce fish-killing toxins called karlotoxins. Toxicity varies over time, with karlotoxins increasing prior to blooms and under growth-limiting conditions. We are testing the theory that ...

Interactions between Ocean Acidification and Eutro...

We are supporting research that will determine the current state of acidification in Chesapeake Bay waters and identify areas in the bay that are most and least prone to acidification ...

Land Use and Ecosystem Health: Decision-making Too...

We are studying how land-use decisions affect the health of an area’s ecosystem. We are building models that show the consequences of land-use choices on the Chesapeake Bay health and ...
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News

NOAA Forecast Predicts Occurrence of Pathogenic Vi...

Vibrio vulnificus model results for Chesapeake Bay – June 8, 2022. Credit: NOAA. NOAA produces a forecast that tells public health officials in Maryland and Virginia when and where the ...

Modeling Shows Nitrogen Reductions Have Decreased ...

Management actions since the mid-1980s have reduced nutrient inputs to Chesapeake Bay, resulting in a smaller, annual “dead zone” — an area in the bay that lacks the oxygen needed ...

Recommendations for Conducting Fish Habitat Assess...

In response to declines in fish habitat, the 2014 Chesapeake Bay Agreement set an objective to “continually improve the effectiveness of fish habit restoration and conservation efforts” (CBP, 2014). In ...

Kiwanis Club Learns About Chesapeake Bay Oyster Aq...

Oyster growers harvest oysters from Chesapeake Bay. Credit: NOAA. Last week, NCCOS aquaculture researcher Dr. Suzanne Bricker gave the Kiwanis Club of Mt. Airy, Maryland, an overview of how oyster ...

Understanding Blooms of Dinoflagellate Margalefidi...

Margalefidinium polykrikoides (previously known as Cochlodinium polykrikoides) is a toxic dinoflagellate algae found in Chesapeake Bay. NCCOS sponsored scientists at Old Dominion University used a time-dependent model to assess environmental ...

Study Confirms Red Tide’s Self-sustaining Seasonal...

An NCCOS-sponsored study has validated a 40-year old theory that the Chesapeake Bay bloom-forming harmful alga Prorocentrum minimum has a seasonal life strategy that depends on physical transport by estuarine ...

NCCOS Expands Monitoring of More Lakes, Coastal Ba...

With harmful algal blooms (HABs) occurring in the nation’s lakes, bays and sounds, NCCOS is expanding HAB monitoring and forecasting to these smaller water bodies which can be resolved by ...

New Report Presents Framework for Advancing the Pr...

Marsh habitat on Swan Island, MD in 2020, two years post-restoration. Credit: NOAA NCCOS NCCOS and U.S. Army Corps of Engineers (USACE) scientists and engineers along with partners from Maryland ...

Study Reviews Causes of Acidification in Large Est...

With ocean acidification threatening the health of aquatic organisms, a study funded by NCCOS, NOAA's Ocean Acidification Program, and the National Science Foundation reviewed a variety of processes that influence ...

Products

Maps, Tools & Applications

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Data & Publications

Effects of Winds on stratification and circulation in a partially mixed estuary

Numerical experiments are conducted to investigate how axial winds affect stratification and circulation in the partially mixed estuary of Chesapeake Bay. In the absence of rotational effects, stratification in the estuary decreases following both down?estuary and up?estuary winds, but stratification ...

Environmental factors influencing d13C and d15N in three Chesapeake Bay fishes

Stable isotope analysis has become a common tool for mapping trophic relationships, describing foodweb changes, and assessing ecosystem health. Clear interpretation of stable isotopes is facilitated by understanding how environmental factors can affect isotopic values; in estuarine systems, these factors ...

Environmental toxicology data collected by the National Status and Trends Program for monitoring contaminants in coastal United States marine water bodies from 01 Jan 1960 to 05 May 2010 (NODC Accession 0074376)

The National Status and Trends Program is comprised of three nationwide programs: Benthic Surveillance, Mussel Watch, and Bioeffects. These programs are in place to observe estuarine and coastal waters nationwide to describe the current status and detect changes in the ...

Erratum to: Synthesis in estuarine and coastal ecological research

A caveat in the concluding section of our paper states that it would be impossible to provide a comprehensive sample of synthesis case studies that reflects all the major research areas in estuarine and coastal science. In retrospect, however, we ...

Estuarine Living Marine Resources: Mid-Atlantic regional distribution and abundance (NCEI Accession 0162403)

This is the Mid-Atlantic regional component of NOAA?s Estuarine Living Marine Resources (ELMR) Project, a national database of ecologically and economically important fishes and invertebrates in the Nation's estuaries. The distribution and relative abundance are depicted in a consistent format ...

Estuarine salinity zones in US East Coast, Gulf of Mexico, and US West Coast from 1999-01-01 to 1999-12-31 (NCEI Accession 0127396)

These unprojected (geographic coordinates) 3-Zone Average Annual Salinity Digital Geographies are based on analysis of long-term salinity data for 147 estuaries of the contiguous United States. Each estuary is subdivided into three zones between the head(s) of tide, and the ...

Evaluating confidence in the impact of regulatory nutrient reduction on Chesapeake Bay water quality

Excess nutrients derived from anthropogenic activity have resulted in the degradation of coastal water quality and an increase in low-oxygen and hypoxic events worldwide. In an effort to curb these impacts and restore water quality in the Chesapeake Bay, a ...

Feeding by Bluefish and Weakfish along Riprap-Hardened Shorelines: Comparisons with Adjacent Sandy Beach in Delaware Bay, USA

Shoreline hardening alters the morphology of the intertidal zone and has been shown to impact various measures of shore zone habitat quality. Diet composition and stomach fullness of two predatory fishes, the Bluefish Pomatomus saltatrix and Weakfish Cynoscion regalis, were ...

Fish and Blue Crab Density along a Riprap-Sill-Hardened Shoreline: Comparisons with Spartina Marsh and Riprap

Wetland managers have historically considered riprap-sill structures (a type of “living shoreline” consisting of a rock sill that is placed low in the intertidal zone, with native vegetation planted between the sill and the shore) to be more ecologically sound ...

Growth and Movements of Mummichogs (Fundulus heteroclitus) Along Armored and Vegetated Estuarine Shorelines

Alteration of estuarine shorelines associated with increased urbanization can significantly impact biota and food webs. This study determined the impact of shoreline alteration on growth and movement of the estuarine fish Fundulus heteroclitus in a tributary of the Delaware Coastal ...

General Pages

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NOAA Internship Opportunities

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