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Projects

Monitoring and Event Response for Harmful Algal Bl...

Monitoring and Event Response for Harmful Algal Blooms in the Lower Great Lakes (MERHAB-LGL) was the first regional, multi-institution project to examine toxic cyanobacteria in the lower Great Lakes and ...

Monitoring and Management of Lipophilic Shellfish ...

Lipid and fat soluble (lipophilic) algal toxins linked to diarrhetic shellfish poisoning and azaspiracid shellfish poisoning are emerging threats to recreational, subsistence, and commercial shellfisheries in the state of Washington ...

Multidisciplinary Approach to a Cross-Regional Pro...

Diarrhetic shellfish poisoning (DSP) has emerged as a significant and expanding seafood safety threat in coastal regions across the United States. The harmful algal species Dinophysis produces toxins known to ...

National Analytical Response to Harmful Algal Bloo...

We use extreme events to research new or changing impacts of harmful algal blooms in coastal waters. The NOAA Analytical Response Team leverages cutting-edge analytical methods and collaborative relationships with ...

New Pacific Ciguatoxins Identification and Analysi...

Ciguatoxins originate from marine algae, such as Gambierdiscus spp., enter the food web through fish, and pass to humans. To improve detection methods and better understand the production of ciguatoxins, ...

Oceanographic and Cellular Controls on Domoic Acid...

Domoic acid is a neurotoxin produced by some diatoms in the genus Pseudo-nitzschia. Domoic acid can accumulate in shellfish and fish, and cause illness or death in humans, marine mammals, ...

Portable Toxin Detection Technology to Support Gre...

This project improves the rapid detection of cyanotoxins in the field to provide managers with timely information on risk and minimize exposure to stakeholders. The team will pilot use of ...

Protecting New Yorkers from Toxic Shellfish Poison...

Since 2006, large, annual, toxic algal blooms have alarmed the New York shellfish industry. We are developing an early warning system of toxic algae in New York coastal waters and ...

RAPDALERT – Rapid Analysis of Pseudo-nitzschia and...

Through this pilot project in the coastal waters of Southern California, we demonstrated the effectiveness of adding emerging technologies to harmful algal bloom monitoring programs that focus on toxic blooms ...

News

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 ...

Report on U.S. Marine HABs: History, Current Statu...

NCCOS recently supported a review of the status of marine HAB problems in the U.S., part of a global statistical analysis of harmful algal blooms (HAB) events. The study relies ...

Harmful Algal Bloom Symposium Highlights Early Car...

Credit: 10.5 U.S. Symposium on Harmful Algae Planning Committee. The 10.5 U.S. Symposium on Harmful Algae held at the end of May showcased the work of students, postdoctoral, and early ...

Smaller Harmful Algal Bloom Predicted for Western ...

A boat cuts through an algal bloom in Saginaw Bay, as seen by aircraft during a flyover in summer of 2019. This airborne campaign is ongoing in conjunction with NOAA ...

Yessotoxins Responsible for Mass Shellfish Mortali...

Dying clams in Hood Canal (Rocky Bay, Washington, 2019). Credit: King et al, 2021. In the summers of 2018 and 2019, shellfish growers in Washington state were rocked by mass ...

Special Satellite Algorithm Used to Detect Irish H...

NCCOS collaboration with a major Irish public research university and the Irish agency responsible for marine research led to the successful adaptation of a NCCOS employed satellite ocean color processing ...

Enabled by NCCOS Response and Training, SC Respond...

Left: Visible Aphanizomenon bloom from Goose Creek Reservoir. Right: NCCOS scientist Steve Morton collects samples. Credit Karen Morton. A blue-green algae (cyanobacteria) bloom was detected in a reservoir used as ...

Research Paper Deemed One of Special Significance ...

A research paper, supported in part by NCCOS, measuring the metabolic cost to a red tide dinoflagellate to defend itself against predation (consumption) has been recommended by the prestigious Faculty ...

NOAA Lake Erie Harmful Algal Bloom Early Season Pr...

Western Lake Erie is expected to experience a lower than average harmful algal bloom (HAB) this summer, according to the first 2021 Lake Erie Harmful Algal Bloom Early Season Projection ...

Low, Gulf-Wide Bloom Predicted for Gulf of Maine R...

Researchers with NOAA’s National Centers for Coastal Ocean Science (NCCOS) are expecting a low, gulf-wide red tide for the Gulf of Maine this spring and summer, continuing the pattern of ...

Products

Maps, Tools & Applications

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Data & Publications

Skill assessment for coupled biological/physical models of marine systems

Simulation models coupling physics to biological processes in the ocean are central to many current programs. Ocean physical models have approached a high level of sophistication; the physical relationships are canonical, and modern computational technology for fluid mechanics has advanced ...

Skill Assessment for Coupled Biological/Physical Models of Marine Systems

Coupled biological/physical models of marine systems serve many purposes including the synthesis of information, hypothesis generation, and as a tool for numerical experimentation. However, marine system models are increasingly used for prediction to support high-stakes decision-making. In such applications it ...

Skill assessment of NOAA's Chesapeake Bay Vibrio vulnificus model

Since 2012, NOAA has generated model guidance for the probability of occurrence of the harmful marine bacteria Vibrio vulnificus in Chesapeake Bay. The system employs NOAAs Operational Forecast System for Chesapeake Bay (CBOFS) to force a statistical model developed by ...

Status, Causes and Controls of Cyanobacterial Blooms in Lake Erie

The Laurentian Great Lakes are among the most prominent sources of fresh water in the world. Lake Erie's infamous cyanobacterial blooms have, however, threatened the health of this valuable freshwater resource for decades. Toxic blooms dominated by the cyanobacterium Microcystis ...

Subsurface seeding of surface harmful algal blooms observed through the integration of autonomous gliders, moored environmental sample processors, and satellite remote sensing in southern California

An observational study was performed in the central Southern California Bight in Spring 2010 to understand the relationship between seasonal spring phytoplankton blooms and coastal processes that included nutrient input from upwelling, wastewater effluent plumes, and other processes. Multi-month Webb ...

Suppression of the 2010 Alexandrium fundyense bloom by changes in physical, biological, and chemical properties of the Gulf of Maine

For the period 2005–2009, the abundance of resting cysts in bottom sediments from the preceding autumn was a first-order predictor of the overall severity of spring–summer blooms of Alexandrium fundyense in the western Gulf of Maine and southern New England ...

The contribution of inorganic and organic nutrients to the growth of a North American isolate of the mixotrophic dinoflagellate, Dinophysis acuminata

Diarrhetic Shellfish Poisoning (DSP) is a globally significant human health syndrome most commonly caused by dinoflagellates of the genus Dinophysis. While ecosystem studies suggest that blooms of this mixotrophic dinoflagellate can be promoted by excessive nitrogen (N) loading, it is ...

The emergence of Dinophysis acuminata blooms and DSP toxins in shellfish in New York waters

The dynamics of Dinophysis acuminata and its associated diarrhetic shellfish poisoning (DSP) toxins, okadaic acid (OA) and dinophysistoxin-1 (DTX1) as well as pectenotoxins (PTXs), were investigated within plankton and shellfish in Northport Bay, NY, USA, over a four year period ...

The Fate of Microcystins in the Environment and Challenges for Monitoring

Microcystins are secondary metabolites produced by cyanobacteria that act as hepatotoxins in higher organisms. These toxins can be altered through abiotic processes, such as photodegradation and adsorption, as well as through biological processes via metabolism and bacterial degradation. Some species ...

The globally distributed genus Alexandrium: Multifaceted roles in marine ecosystems and impacts on human health

The dinoflagellate genus Alexandrium is one of the major harmful algal bloom (HAB) genera with respect to the diversity, magnitude and consequences of blooms. The ability of Alexandrium to colonize multiple habitats and to persist over large regions through time ...

General Pages

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NOAA Internship Opportunities

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