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Technical Support for Inception of Florida DEP Cor...

Eutrophication is the over-abundance of nutrients in a body of water that results in harmful algal blooms, fish kills, and in some cases ecosystem collapse. In coral reef ecosystems, excess ...

Biological Effects of Contaminants and Nutrients, Stressor Impacts and Mitigation, Florida, U.S. States and Territories, dave.whitall@noaa.gov

The Columbia River Plume and Harmful Algal Blooms ...

We identified the oceanographic causes and transport routes for the harmful alga Pseudo-nitzschia in the offshore waters of the Pacific Northwest and improved predictability of the arrival of harmful algal ...

Biological Effects of Contaminants and Nutrients, Harmful Algal Bloom Detection and Forecasting, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Oregon, Pacific Ocean, U.S. States and Territories, Washington, Waterbodies, quay.dortch@noaa.gov

The Dinoflagellate-Specific Algicide IRI-160AA: Is...

Building on previous research that showed the bacteria Shewanella sp. IRI-160 produces an algicide targeting dinoflagellates with no effect on other phytoplankton, the project team will determine the concentration of ...

Harmful Algal Bloom Detection and Forecasting, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Technology Transfer, U.S. States and Territories, Waterbodies, marc.suddleson@noaa.gov

The Environmental Sample Processor – Making it Mor...

We are re-engineering the design of the Environmental Sample Processor (ESP), one of the first available in-water sensors to measure harmful algae, their toxins, and other parameters in near real-time ...

Harmful Algal Bloom Detection and Forecasting, Stressor Impacts and Mitigation, California, Massachusetts, U.S. States and Territories, marc.suddleson@noaa.gov

The Impact of Temperature and Salinity on Pesticid...

We tested the toxicity of pesticides to shrimp and phytoplankton to better understand the environmental risks of these chemicals. We found that pesticide toxicity can change with temperature and salinity ...

Biological Effects of Contaminants and Nutrients, Stressor Impacts and Mitigation, South Carolina, U.S. States and Territories, marie.delorenzo@noaa.gov

The Role of Nitric Oxide in Promoting Heterosigma ...

Heterosigma akashiwo has emerged as a threat to finfish and shellfish stocks resulting in significant impacts to the coastal economy. We are working to identify the mechanisms and nitrogen sources ...

Harmful Algal Bloom Detection and Forecasting, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Atlantic Ocean, Delaware, U.S. States and Territories, Waterbodies, maggie.broadwater@noaa.gov

Total Suspended Solids, Turbidity and Contaminants...

The purpose of this project is to provide additional environmental stressor data related to multiple port dredging projects in south Florida, especially as they relate to nearby important and threatened ...

Biological Effects of Contaminants and Nutrients, Stressor Impacts and Mitigation, Water Quality, Florida, U.S. States and Territories, cheryl.woodley@noaa.gov, dave.whitall@noaa.gov

Toward a Predictive Understanding of Cochlodinium ...

Large blooms of Cochlodinium polykrikoides have occurred throughout the lower Chesapeake Bay and its tributaries in recent decades and appear to be followed by increasingly intense blooms of the ichthyotoxic ...

Harmful Algal Bloom Detection and Forecasting, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Atlantic Ocean, Chesapeake Bay, U.S. States and Territories, Virginia, Waterbodies, maggie.broadwater@noaa.gov

Towards a Predictive Understanding of Our Ecosyste...

Cyanobacteria blooms and toxin production are an urgent contemporary problem in the US and worldwide. Water quality models are important tools for managing these problems, but currently the utility of ...

Harmful Algal Bloom Detection and Forecasting, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Great Lakes, Massachusetts, Tennessee, U.S. States and Territories, Waterbodies, felix.martinez@noaa.gov

Toxic Prymesium parvuum: Characterization of Toxin...

We have successfully identified several toxins and chemical properties of the harmful alga Prymesium parvuum with the ultimate goal of developing detection and monitoring tools. Until very recently the toxins ...

Harmful Algal Bloom Detection and Forecasting, Stressor Impacts and Mitigation, South Carolina, U.S. States and Territories, peter.moeller@noaa.gov

News

Virtual Training Workshop Instructs Volunteers on ...

A virtual workshop was convened at Bowling Green State University (BGSU), on July 23, 2020 to train regional stakeholder and volunteer groups in the operation of MBio Diagnostic’s LightDeck technology-based ...

August 12, 2020 Harmful Algal Bloom Detection and Forecasting, Other Topics, Sensor Development, Sponsored Research, Stressor Impacts and Mitigation, Great Lakes, Michigan, Ohio, U.S. States and Territories, Waterbodies, felix.martinez@noaa.gov, greg.doucette@noaa.gov

Smaller than Average Summer ‘Dead Zone’ Measured ...

NCCOS-supported scientists have determined that this year’s Gulf of Mexico “dead zone”—an area of low oxygen that can kill fish and marine life—is approximately 2,116 square miles, equivalent to 1.4 ...

August 4, 2020 HABHRCA, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Gulf of Mexico, Louisiana, Texas, U.S. States and Territories, Waterbodies, david.scheurer@noaa.gov

NCCOS Research Explores New Approaches to Decoding...

A brown tide bloom in Great South Bay, Long Island, NY .Credit: Dr. Chris Gobler, Stony Brook University. Brown tides, caused by the algal species Aureococcus anophagefferens, have been plaguing ...

July 14, 2020 Funding, Harmful Algal Bloom Detection and Forecasting, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Atlantic Ocean, Long Island Sound, New York, U.S. States and Territories, Waterbodies, quay.dortch@noaa.gov

Moderate Harmful Algal Bloom Predicted for Western...

NOAA and its research partners are forecasting that western Lake Erie will experience a moderate harmful algal bloom this summer. This year’s bloom is expected to measure 4.5 on the ...

July 9, 2020 Harmful Algal Bloom Detection and Forecasting, Stressor Impacts and Mitigation, Great Lakes, Waterbodies, richard.stumpf@noaa.gov

NCCOS Sensor Measures Toxicity of Lake Erie Algal ...

Cyanobacteria in Lake Erie can sometimes grow out of control and produce toxins called microcystins that are harmful to people and animals. These harmful algal blooms, or HABs, can have ...

July 7, 2020 Harmful Algal Bloom Detection and Forecasting, Stressor Impacts and Mitigation, Great Lakes, Michigan, Ohio, U.S. States and Territories, Waterbodies, greg.doucette@noaa.gov

NCCOS Vibrio Predictive Models (Story Map)

ESRI Story Map on Vibrio Predictive Models. Credit G. Messick, NOAA A story map has been created to describe the different Vibrio Predictive Models produced by NCCOS. These predictive models ...

July 2, 2020 Pathogens, Stressor Impacts and Mitigation, Alabama, Chesapeake Bay, Delaware, Florida, Gulf of Mexico, Long Island Sound, Maryland, New York, Puget Sound, U.S. States and Territories, Washington, Waterbodies, gretchen.messick@noaa.gov, john.jacobs@noaa.gov

Nanobubble Ozone Technology Shown to Eliminate Inv...

An independent quality control testing laboratory has validated NCCOS research findings on nanobubble ozone technology (NBOT), confirming it is highly effective in controlling algae, bacteria, and motile zooplankton in ship ...

July 1, 2020 Harmful Algal Bloom Detection and Forecasting, Invasive Species, Other Topics, Pathogens, Stressor Impacts and Mitigation, Technology Transfer, Water Quality, Florida, Great Lakes, Ohio, South Carolina, U.S. States and Territories, Waterbodies, peter.moeller@noaa.gov

NCCOS Forecast Predicts Occurrence of Pathogenic V...

Vibrio vulnificus model results for Chesapeake Bay, June 17, 2020. Credit: NOAA. In 2019, NOAA released a new forecast capability which shows public health officials in Maryland and Virginia when ...

June 17, 2020 Pathogens, Stressor Impacts and Mitigation, Chesapeake Bay, Maryland, U.S. States and Territories, Virginia, Waterbodies, john.jacobs@noaa.gov

New Research Raises Questions About How, Where Cya...

Cyanobacteria bloom in Maumee Bay, near Toldeo, Ohio, July 2015. Credit: Toldeo Aerial Media. New NCCOS-funded research shows that microbes in the water column may not play a primary role ...

June 3, 2020 Harmful Algal Bloom Detection and Forecasting, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Canada, China, Foreign Countries, Great Lakes, New York, Ohio, Tennessee, U.S. States and Territories, Virginia, Waterbodies, john.wickham@noaa.gov

NOAA Forecasts Larger than Average ‘Dead Zone’ for...

NCCOS scientists are forecasting this summer’s Gulf of Mexico hypoxic zone or “dead zone”—an area of low to no oxygen that can kill fish and other marine life— to be ...

June 3, 2020 Biological Effects of Contaminants and Nutrients, Other Topics, Sponsored Research, Stressor Impacts and Mitigation, Technology Transfer, Gulf of Mexico, Louisiana, U.S. States and Territories, Waterbodies, david.scheurer@noaa.gov, erik.davenport@noaa.gov

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Data & Publications

Nutrient budgets and management actions in the Patuxent River estuary, Maryland

Multi-year nitrogen (N) and phosphorus (P) budgets were developed for the Patuxent River estuary, a seasonally stratified and moderately eutrophic tributary of Chesapeake Bay. Major inputs (point, diffuse, septic, and direct atmospheric) were measured for 13 years during which, large ...

Nutrient-regulated transcriptome profiling of the brown tide forming Aureococcus anophagefferens

Long?SAGE (serial analysis of gene expression) was used to profile the transcriptome of the brown tide?forming alga, Aureococcus anophagefferens, under nutrient replete (control), and nitrogen (N) and phosphorus (P) deficiency to understand how this organism responds at the transcriptional level ...

Nutrients, sedimentation and total suspended solids in the St. Thomas East End Reserves in the Caribbean Sea from 2012-01-16 to 2013-11-25 (NCEI Accession 0139480)

This data set contains the results from monitoring in the St. Thomas East End Reserves (STEER) in St. Thomas, USVI, from January 2012 to November 2013. The monitoring was conducted by project partners at the University of the Virgin Islands, ...

Ocean warming since 1982 has expanded the niche of toxic algal blooms in the North Atlantic and North Pacific oceans

Global ocean temperatures are rising, yet the impacts of such changes on harmful algal blooms (HABs) are not fully understood. Here we used high-resolution sea-surface temperature records (1982 to 2016) and temperature-dependent growth rates of two algae that produce potent ...

Optimizing resource use efficiencies in the food-energy-water nexus for sustainable agriculture: from conceptual model to decision support system

Increased natural and anthropogenic stresses have threatened the Earth’s ability to meet growing human demands of food, energy and water (FEW) in a sustainable way. Although much progress has been made in the provision of individual component of FEW, it ...

Organic chemical contaminants measured by PED (polyethylene device) passive water samplers deployed at Cocos Island, Guam from 2017-09-18 to 2017-10-30 (NCEI Accession 0184259)

The Cocos Island, Guam PEDs (polyethylene device) passive water sampler data set contains results of the analysis from Project 31181 funded by NOAA’s Coral Reef Conservation Program. The project involved NOAA National Center for Coastal Ocean Science, Guam Environmental Protection ...

Organic Contaminant Analytical Methods of the National Status and Trends Program: Update 2000-2006

This document describes the analytical methods used to quantify core organic chemicals in tissue and sediment collected as part of NOAA's National Status and Trends Program (NS&T) for the years 2000-2006. Organic contaminate analytical methods used during the early years ...

Outbreeding lethality between toxic Group I and nontoxic Group III Alexandrium tamarense spp. isolates: predominance of heterotypic encystment and implications for mating interactions and biogeography

We report the zygotic encystment of geographically dispersed isolates in the dinoflagellate species complex Alexandrium tamarense, in particular, successful mating of toxic Group I and nontoxic Group III isolates. However, hypnozygotes produced in Group I/III co-cultures complete no more than ...

Oxygen - Dynamics and biogeochemical consequences

Dissolved oxygen is a keystone molecule that is involved in the production, consumption, and cycling of organic matter and inorganic elements in the aquatic environment. The majority of multicellular plants and animals in coastal aquatic ecosystems require oxygen for proper ...

Parameter estimation using an ensemble smoother: the effect of the circulation in biological estimation

An ensemble smoother is used to estimate the initial conditions and mortality rates for a spatially explicit model of Alexandrium fundyense. The data assimilation procedure is effective at reducing model-data misfit in this strong constraint problem formulation. The skill of ...

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