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News

Water Cleaning Capacity of Oysters Could Mean Extr...

Oysters are one of the most valuable fisheries in Chesapeake Bay, with annual commercial landings valued at more than $40 million. A large part of this harvest comes from aquaculture ...

Highlights of the Southeast Deep Coral Initiative ...

Andrew Shuler (NCCOS) collects samples from the Mohawk ROV bio box during NF1901 as ROV operator, Eric Glidden, looks on. Credit: NOAA NCCOS. The Southeast Deep Coral Initiative (SEDCI) completed ...

Swan Island Restoration Begins in Chesapeake Bay (...

Coastal islands and marshes in Chesapeake Bay are disappearing, along with the ecosystem services and shoreline protection benefits they provide. Within the last half century, the cumulative effects of shoreline ...

NCCOS Awards $1.5 Million to Support Coastal Commu...

NOAA’s National Centers for Coastal Ocean Science (NCCOS) is awarding over $1.5M in FY19 for research into the ability of natural coastal habitats and partially engineered or restored habitats to ...

NCCOS Awards $10.2M for New and Continuing Harmful...

NOAA’s National Centers for Coastal Ocean Science (NCCOS) are pleased to announce support for 12 new and 22 continuing harmful algal bloom (HAB) research awards. The awards, totaling $10.2M, fund ...

New Technique Shows Oyster Shell Seeding is Possib...

The calcein fluorescent dye "tag" is shown here, glowing under special light. Credit: Jason Spires, NCCOS Traditional oyster restoration strategies involve seeding oyster shells with lab-harvested oyster larvae in enclosed ...

Impacts and Solutions to Gulf of Mexico Hypoxia Hi...

Shrimp boat underway in the Gulf of Mexico. Hypoxia is impacting commercial shrimp fishing. Credit NOAA Photo Library. With a record setting dead zone predicted this summer, Illinois Public Media ...

NCCOS Oxford Lab Explores Collaboration with Unive...

Aerial view of NCCOS Cooperative Oxford Laboratory in Oxford, Maryland. Credit: NOAA. Last month, the NCCOS Cooperative Oxford Laboratory in Oxford, Maryland, hosted senior staff from the University of Maryland's ...

New Forecast Predicts Occurrence of Pathogenic Vib...

Vibrio vulnificus model results for Chesapeake Bay, May 23, 2019. Credit: NOAA. A new NOAA forecast shows public health officials in Maryland and Virginia when and where the pathogenic Vibrio ...

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Data & Publications

Potential climate-change impacts on the Chesapeake Bay

We review current understanding of the potential impact of climate change on the Chesapeake Bay. Scenarios for CO2 emissions indicate that by the end of the 21st century the Bay region will experience significant changes in climate forcings with respect ...

Sediment Flux Modeling: Calibration and application for coastal systems

Benthic–pelagic coupling in shallow estuarine and coastal environments is an important mode of particle and solute exchange and can influence lag times in the recovery of eutrophic ecosystems. Links between the water column and sediments are mediated by particulate organic ...

Synthesis in estuarine and coastal ecological research: What is it, why is it important and how do we teach it?

During the last two decades, there has been growing interest in the integration of existing ideas and data to produce new synthetic models and hypotheses leading to discovery and advancement in estuarine and coastal science. This essay offers an integrated ...

Temporal responses of coastal hypoxia to nutrient loading and physical controls

The incidence and intensity of hypoxic waters in coastal aquatic ecosystems has been expanding in recent decades coincident with eutrophication of the coastal zone. Worldwide, there is strong interest in reducing the size and duration of hypoxia in coastal waters, ...

The competing impacts of climate change and nutrient reductions on dissolved oxygen in Chesapeake Bay

The Chesapeake Bay region is projected to experience changes in temperature, sea level, and precipitation as a result of climate change. This research uses an estuarine-watershed hydrodynamic–biogeochemical modeling system along with projected mid-21st-century changes in temperature, freshwater flow, and sea ...

The metabolism of aquatic ecosystems: History, applications, and future challenges

Measurements of the production and consumption of organic material have been a focus of aquatic science for more than 80 years. Over the last century, a variety of approaches have been developed and employed for measuring rates of gross primary ...

The role of winter-spring wind and other factors controlling summer hypoxia in Chesapeake Bay

We examined the processes influencing summer hypoxia in the mainstem portion of Chesapeake Bay. The analysis was based on the Chesapeake Bay Monitoring Program data collected between 1985 and 2007. Self-organizing map (SOM) analysis indicates that bottom water dissolved oxygen ...

Two new karlotoxins found in Karlodinium veneficum (strain GM2) from the East China Sea

The dinoflagellate Karlodinium veneficum is a harmful algal bloom species with a worldwide distribution. This small athecate dinoflagellate makes a family of polyketide toxins that are hemolytic, cytotoxic and ichthyotoxic. The first chemical structure for karlotoxins from East China Sea ...

Variability of biogeochemical processes and physical transport in a partially stratified estuary: a box-modeling analysis

Regional, seasonal, and interannual variations of freshwater inputs, biogeochemical transformations, and pelagic-benthic interactions were examined in the Patuxent River estuary. Monthly rates of net biogeochemical production (or consumption) and physical transport of carbon, oxygen, and nutrients were calculated for 6 ...

Wind-driven lateral circulation in a stratified estuary and its effects on the along-channel flow

In the stratified rotating estuary of Chesapeake Bay, the Ekman transport drives a counterclockwise lateral circulation under down?estuary winds and a clockwise lateral circulation under up?estuary winds (looking into estuary). The clockwise circulation is about twice as strong as the ...

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