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News

Predicting Red Tides in the Eastern Gulf of Mexico

NCCOS sponsored researchers with the University of South Florida and the Florida Fish and Wildlife Conservation Commission identified why red tide blooms of toxic Karenia brevis off the west coast ...

Outlook for Impact of HABs on 2016 Crab Season in ...

On August 11, 2016 Dr. Raphael Kudela, with theUniversity of California Santa Cruz, testified on 'Harmful Algal Blooms and Domoic Acid: Latest Forecast and a Look Ahead to the Upcoming ...

NCCOS Supported HAB Sensors Highlighted at NOAA Em...

NCCOS efforts to provide early warnings as well as effective monitoring and forecasting of harmful algal blooms through the use of the ImagingFlow Cytobot (microscope-in-a-can) and the Environmental Sample Processor ...

For Marshes Impacted by Drought and Hurricanes, Sa...

A new NCCOS sponsored study published in Geophysical Research Letters found saltwater wetlands generally more resilient than freshwater wetlands. Using remote sensing to determine how saltwater flooding and high winds ...

NCCOS Supports Environmental Cooperative Science C...

NCCOS scientists assisted with NOAA's Environmental Cooperative Science Center (ECSC) Center-wide Core Competency (CWCC) Short Course in Ocean Springs, MS, August 3-7, 2016. The goal of the ECSC's CWCC short ...

New Funding to Protect Chesapeake Bay Oyster Aquac...

Last week, NCCOS approved funding for theVirginia Institute of Marine Scienceand a Virginia commercial oyster grower to examine the impacts of harmful algal blooms on oyster aquaculture during active blooms ...

NCCOS Briefs Environmental Legislators on Harmful ...

Earlier this month, Dr. Quay Dortch (manager of the NCCOS Ecology and Oceanography of Harmful Algal Blooms Program) addressed theOceans and Coast sub-group of the National Caucus of Environmental Legislators ...

NCCOS, Partners Prepare Harmful Algal Bloom Sensor...

NCCOS scientists and their partners have completed technical preparations for the first deployment of an Environmental Sample Processor (ESP) in the Great Lakes. The ESP - already in use on ...

NOAA Student Scholars Present Summer Research With...

Ten student undergraduate scholars, most with the NOAA Educational Partnership Program and Hollings Scholarship Program, are interning this summer with the National Centers for Coastal Ocean Science (NCCOS) in Silver Spring, ...

Living Shorelines Provide Better Fish Habitats

Riprap-sill shoreline at NCCOS lab in North Carolina. Credit: NOAA. In many places, estuarine shorelines are protected from erosion by riprap—a jumble of rock and other hard materials piled along ...

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Data & Publications

The response of runoff and sediment loading in the Apalachicola River, Florida to climate and land use land cover change

The response of runoff and sediment loading in the Apalachicola River under projected climate change scenarios and land use land cover (LULC) change is evaluated. A hydrologic model using the Soil and Water Assessment Tool was developed for the Apalachicola ...

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 ...

Tidal hydrodynamics under future sea level rise and coastal morphology in the Northern Gulf of Mexico

This study examines the integrated influence of sea level rise (SLR) and future morphology on tidal hydrodynamics along the Northern Gulf of Mexico (NGOM) coast including seven embayments and three ecologically and economically significant estuaries. A large-domain hydrodynamic model was ...

Transgenerational exposure of North Atlantic bivalves to ocean acidification renders offspring more vulnerable to low pH and additional stressors

While early life-stage marine bivalves are vulnerable to ocean acidification, effects over successive generations are poorly characterized. The objective of this work was to assess the transgenerational efects of ocean acidifcation on two species of North Atlantic bivalve shellfsh, Mercenaria ...

U.S. Shrimp Market Integration

Recent supply shocks in the Gulf of Mexico—including hurricanes, the Deepwater Horizon oil spill, and the seasonal appearance of a large dead zone of low oxygen water (hypoxia)—have raised concerns about the economic viability of the U.S. shrimp fishery. The ...

Using Multiple Watershed Models to Predict Water, Nitrogen, and Phosphorus Discharges to the Patuxent Estuary

We analyzed an ensemble of watershed models that predict flow, nitrogen, and phosphorus discharges. The models differed in scope and complexity and used different input data, but all had been applied to evaluate human impacts on discharges to the Patuxent ...

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 ...

Variations in chemical speciation and reactivity of phosphorus between suspended-particles and surface-sediment in seasonal hypoxia-influenced Green Bay

Water, suspended-particles, and surface-sediment samples were collected from Green Bay, Lake Michigan, for the measurements of phosphorus (P) species, including dissolved/particulate-P, inorganic/organic-P, and five different forms of particulate-P, namely exchangeable- or labile-P (Ex-P), iron-bound-P (Fe-P), biogenic-apatite and/or CaCO3-associated-P (CFA-P), organic-P ...

Vulnerability of early life stage Northwest Atlantic forage fish to ocean acidification and low oxygen

Global oceans are undergoing acidification and deoxygenation, yet the concurrent effects of low oxygen and acidification on marine fish are unknown. This study quantified the separate and combined effects of low pH and low oxygen on 4 vital early life-history ...

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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