Sixth Report on Federally Funded Ocean Acidification Monitoring and Research

Advancing Ocean Acidification Research and Monitoring

The Interagency Working Group on Ocean Acidification of the National Science and Technology Council’s Subcommittee on Ocean Science and Technology released their Sixth Report on Federally Funded Ocean Acidification Research and Monitoring Activities. The report highlights a range of research activities from measuring where and when ocean acidification occurs, understanding the impact of ocean and coastal acidification on ecosystems and communities, to identifying potential ocean-based climate solutions. The report included projects that advance observations and modeling of ocean carbon, test new technology developments, study potential socioeconomic impacts of ocean acidification, and conduct public education and outreach. Collectively, this research provides important insights that will enable managers and communities to better anticipate and respond to ocean and coastal acidification.

White House Announcement

Link to Report

Tuesday, November 1, 2022
NOAA Invests in Harmful Algal Bloom and Ocean Acidification Research

NOAA Invests in Harmful Algal Bloom and Ocean Acidification Research

NOAA invests $18.9M in a coordinated effort to maximize advances in harmful algal bloom (HAB) mitigation, monitoring and forecasting. Four of new research awards support ($1.5M) funded in partnership by NOAA’s National Centers for Coastal Ocean Science (NCCOS) and NOAA’s Ocean Acidification program will determine interactive effects of HABs and ocean acidification. Other projects supported through this effort will establish a U.S. Harmful Algal Bloom Control Incubator, enhance detection of HAB toxins and improve forecasts and investigate the socioeconomic impacts of HABs. Read more

Project Highlights

University of MichiganUniversity of Minnesota DuluthOberlin CollegeUniversity of Kentucky, and University of Toledo received $281,975 to improve our understanding of the synergistic impacts of acidification, temperature, total alkalinity, and nutrients on toxic cyanobacteria harmful algal blooms in the Great Lakes. 

Woods Hole Oceanographic InstituteBowdoin College, and NERACOOS received $499,999 to address gaps in understanding relationships between harmful algal bloom behavior and ocean acidification in the northeast Atlantic, especially where it is associated with coastal eutrophication and hypoxia.

Stony Brook UniversityAdelphi University, and St. Joseph's College received $364,265 to establish a comprehensive understanding of how three of the most prominent HABs on the US east coast respond to ocean acidification, and how their co-occurrence will economically impact fisheries and shellfisheries. 

Northwest Indian CollegeSan Francisco State University, and University of Washington received $355,281 to understand the current relationships between ocean acidification and harmful algal bloom interactions in the Salish Sea, and to quantify how ocean acidification influences growth and toxicity. 

📸 Autonomous glider collects information to track harmful algal blooms and water quality. Credit: Ben Yair Raanan, MBARI


Wednesday, October 19, 2022
Join us for the Ocean Acidification Community Meeting Jan 4-6, 2023

Join us for the Ocean Acidification Community Meeting Jan 4-6, 2023

NOAA OAP convenes community meeting in San Diego, CA!

Every three years, the NOAA Ocean Acidification Program convenes researchers, communicators and others in the OA community for a meeting to discuss and share the latest research and future needs and directions. We want your participation! Registration is free.

Meeting Goals

  • Shape the future strategic direction of the OAP

  • Inform community members of recent OAP-supported efforts

  • Foster collaborations within the OA research community

  • Identify critical research gaps and efforts to address them

  • Highlight and discuss diversity, equity, inclusion, accessibility, and justice in OA research and our community

Find more details and register HERE.

Wednesday, September 28, 2022
Evaluating impacts of acidification on biological processes in the Gulf of Mexico

Evaluating impacts of acidification on biological processes in the Gulf of Mexico

Leticia Barbero - NOAA CIMAS, University of Miami

Evaluation of OA impacts to plankton and fish distributions in the Gulf of Mexico during GOMECC-4 with a focus on HAB-interactions

Why we care
Ocean change in the Gulf of Mexico, including acidification and eutrophication, can impact biodiversity and the flow of energy through ecosystems from microscopic phytoplankton to higher trophic levels like fish. These processes can impact the health of fisheries and coastal ecosystems. This project collects information to evaluate the links between ocean conditions and important species in the Gulf of Mexico. 

What we are doing
During the 4th Gulf of Mexico Ecosystem and Carbon Cruise (GOMECC-4), scientists collect samples of phytoplankton, zooplankton, and ichthyoplankton to characterize fish distribution and abundance, larval fish condition and diet, microplastic abundance, and harmful algal bloom species. These collections coincide with measurements of acidification, oxygen, and eutrophication to make connections between ocean chemistry and biology.

Benefits of our work
This project will help characterize how changes in ocean conditions interact with biological processes like harmful algal bloom formation and ecosystem productivity that are important to local fisheries and stakeholders.


Wednesday, August 31, 2022

Understanding biodiversity in the Gulf of Mexico using eDNA

Luke Thompson - Mississippi State University

Assessing ecosystem responses of Gulf of Mexico coastal communities to ocean acidification using environmental DNA

Why we care 
Recent efforts to monitor ocean acidification in the Gulf of Mexico via the Gulf of Mexico Ecosystems and Carbon Cycle (GOMECC) cruises have revealed spatial differences in ocean acidification. While we know that ocean acidification negatively impacts many species and exacerbates the effects of oxygen limitation and harmful algal blooms, there is little work to monitor or predict the effects of ocean acidification on biodiversity. This project employs cutting-edge technology using environmental DNA to assess biodiversity in different conditions in the Gulf of Mexico region.

What we are doing
Every organism sheds DNA. This project analyzes environmental DNA (eDNA), which is free-floating or microscopic DNA found in seawater, collected during the 4th GOMECC cruise, to identify biodiversity of bacteria, plankton, and fish in the Gulf of Mexico. eDNA will be compared to ocean properties to draw conclusions about drivers of biodiversity. 

Benefits of our work
Links between eDNA, ocean acidification, and other ocean properties will provide a deeper understanding of environmental drivers of biodiversity. These relationships can inform predictions of biodiversity patterns and guide the management of key habitats in the Gulf of Mexico, and help us adapt to changing ocean conditions.


Tuesday, June 14, 2022
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