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News

Scientists Expect Slightly Below Average Chesapeak...

Low river flow and nutrient loading reason for smaller predicted size Scientists are expecting that this year's Chesapeake Bay hypoxic low-oxygen zone, also called the "dead zone," will be approximately ...

NCCOS Research in Today's Rapidly Changing Global ...

Two national science conferences recently highlighted NCCOS research: The theme at the 7th Symposium on Harmful Algae in the United States (Oct. 27–31, 2013; Sarasota, FL) was harmful algal blooms ...

Managing America's Corn Belt to Restore the Gulf o...

NCCOS is participating in a public-private program to reduce nutrient inputs to the Gulf of Mexico hypoxic ('dead') zone that managers expect to simultaneously benefit threatened native grassland bird species ...

NCCOS-sponsored Research Paper Receives Annual Awa...

An NCCOS-sponsored project publication was selected for the 2012 "Chandler-Misener Award" by the Journal of Great Lakes Research. Titled ' Historical pattern of phosphorus loading to Lake Erie watersheds,' the ...

Great Lakes Restoration Assembly Features NOAA-fun...

A session in Great Lakes Week 2012, an annual gathering of the diverse groups leading the fight to restore the Great Lakes, centers on a research project funded by NOAA's ...

Toxic Algae Maps Aid Galveston Fish Kill Response

A scientist will map the extent of ared tide bloom during the course of a hypoxia-mapping project cruise funded by the National Centers for Coastal Ocean Science's Gulf of Mexico ...

Associate Wins Heinz Award

Dr. Nancy N. Rabalais, long-time NCCOS-sponsored scientist, has been awarded the distinguished Heinz Award for her research and leadership identifying and characterizing the dynamics of the Gulf of Mexico dead ...

Study Shows Smaller Late Summer Dead Zone in the C...

Sixty years of monitoring data analyzed by scientists sponsored by the National Centers for Coastal Ocean Science has revealed a smaller dead zone in late summer in the Chesapeake Bay ...

Threat to Common Gulf of Mexico Fish Stir Fears of...

Atlantic croaker, one of the most abundant fish in the Gulf of Mexico, are starting to exhibit changes that appear to be related to the massive summer "Dead Zone." A ...

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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 ...

Quantifying the Impacts of Stratification and Nutrient Loading on Hypoxia in the Northern Gulf of Mexico

Stratification and nutrient loading are two primary factors leading to hypoxia in coastal systems. However, where these factors are temporally correlated, it can be difficult to isolate and quantify their individual impacts. This study provides a novel solution to this ...

Quantifying the influence of cold water intrusions in a shallow, coastal system across contrasting years: Green Bay, Lake Michigan

We present water column thermal structure for two climatically different years: 2012, which experienced abnormally warm spring and summer air temperatures preceded by a relatively low ice winter and 2013, which experienced cooler than average spring and average summer air ...

Reassessing Hypoxia Forecasts for the Gulf of Mexico

Gulf of Mexico hypoxia has received considerable scientific and policy attention because of its potential ecological and economic impacts and implications for agriculture within its massive watershed. A 2000 assessment concluded that increased nitrate load to the Gulf since the ...

Retrospective Analysis of Midsummer Hypoxic Area and Volume in the Northern Gulf of Mexico, 1985-2011

Robust estimates of hypoxic extent (both area and volume) are important for assessing the impacts of low dissolved oxygen on aquatic ecosystems at large spatial scales. Such estimates are also important for calibrating models linking hypoxia to causal factors, such ...

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 ...

Size-dependent top-down control on phytoplankton growth by microzooplankton in eutrophic lakes

We hypothesized that the grazing on phytoplankton by the microzooplankton community is size-dependent and, therefore, the top-down control on phytoplankton by microzooplankton community could be one possible mechanism explaining why small phytoplankton become less abundant than large phytoplankton in eutrophic ...

Space-Time Geostatistical Assessment of Hypoxia in the Northern Gulf of Mexico

Nearly every summer, a large hypoxic zone forms in the northern Gulf of Mexico. Research on the causes and consequences of hypoxia requires reliable estimates of hypoxic extent, which can vary at sub-monthly time scales due to hydro-meteorological variability. Here, ...

Spatial analysis of toxic or otherwise bioactive cyanobacterial peptides in Green Bay, Lake Michigan

Cyanobacterial harmful algal blooms (cyanoHABs) are a growing problem in freshwater systems worldwide. CyanoHABs are well documented in Green Bay, Lake Michigan but little is known about cyanoHAB toxicity. This study characterized the diversity and spatial distribution of toxic or ...

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 ...

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