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NOAA’s Ocean Acidification Program Research Region

Region: Southeast

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A mapped dataset of surface ocean acidification indicators in large marine ecosystems of the United States

Mapped monthly data products of surface ocean acidification indicators from 1998 to 2022 on a 0.25° by 0.25° spatial grid have been developed for eleven U.S. large marine ecosystems (LMEs). The data products were constructed using observations from the Surface Ocean CO2 Atlas, co-located surface ocean properties, and two types of machine learning algorithms: Gaussian mixture

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Advancing best practices for assessing trends of ocean acidification time series

Assessing the status of ocean acidification across ocean and coastal waters requires standardized procedures at all levels of data collection, dissemination, and analysis. Standardized procedures for assuring quality and accessibility of ocean carbonate chemistry data are largely established, but a common set of best practices for ocean acidification trend analysis is needed to enable global

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Strategy for NOAA Carbon Dioxide Removal (CDR) Research: A White Paper documenting a potential NOAA CDR Science Strategy as an element of NOAA’s Climate Interventions Portfolio

This document is intended to serve as a reference for exploration of carbon removal research at NOAA. The report was drafted by authors from across NOAA to provide strategic direction to relevant labs and programs in multiple line offices. The goal has been to assemble as much information as possible in order to facilitate conversations

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Energetic response of Atlantic surfclam <em>Spisula solidissima</em> to ocean acidification

In this study, we assessed the Atlantic surfclam (Spisula solidissima) energy budget under different ocean acidification conditions (OA). During 12 weeks, 126 individuals were maintained at three different ρCO2 concentrations. Every two weeks, individuals were sampled for physiological measurements and scope for growth (SFG). In the high ρCO2 treatment, clearance rate decreased and excretion rate increased relative to

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The impact of oyster aquaculture on the estuarine carbonate system

Many studies have examined the vulnerability of calcifying organisms, such as the eastern oyster (Crassostrea virginica), to externally forced ocean acidification, but the opposite interaction whereby oysters alter their local carbonate conditions has received far less attention. We present an exploratory model for isolating the impact that net calcification and respiration of aquacultured eastern oysters

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Related Projects

See our funded projects for this Focus Area

Calm sea with mountains on horizon and expansive sky in Ketchikan, Alaska. Credit: Phil Price, Flickr

Why we care:Alaskan Native communities rely on healthy marine ecosystems for work, sustenance and their way of life. Ocean acidification has documented impacts to marine life and these communities. An..

Spruce Island in the Kodiak region of Alaska. Bull kelp at water's surface with island in the background. Ocean acidification monitoring in this region helps prepare Kodiak Tribes for the impacts of ocean change. Credit: NOAA

Why we care:Alaskan Native communities rely on healthy marine ecosystems for work, sustenance and their way of life. Ocean acidification has documented impacts to marine life and these communities. Community..

Fisherman pulling up sugar kelp. Seaweed cultivation may be one avenue for marine carbon dioxide removal and mitigating ocean acidification. Credit: GreenWave/Ron Gautreau.

Award amount: $1,451,575Duration: 3 yearsFunding agency: NOAA Ocean Acidification Program (OAP), National Oceanographic Partnership Program (NOPP) Why we care Growing seaweed in the ocean could be one way to alleviate some..

Plankton bloom seen from space. Credit: NASA

Why we care Iron is a critical limiting nutrient for phytoplankton in the ocean. Iron fertilization adds this limiting nutrient to promote phytoplankton blooms as a way to take up..

Breaking wave in sunlight. Credit: NOAA Ocean Service

Why we care Ocean alkalinity enhancement has the potential to capture carbon and mitigate ocean acidification. While ocean alkalinity enhancement is a promising approach for removing carbon from the atmosphere,..

Terrestrial liming at golf courses serve as testbeds for this method for carbon capture and mitigating acidification. Credit: Your Golf Travel (Creative Commons)

Why we care Terrestrial liming, or the addition of a basic (alkaline) material like calcium carbonate to crops and lawns is a common agricultural soil treatment. When applied on land..

Related Publications

See publications produced by our funded projects for this Focus Area

Citation: Tobias Schwoerer, Kevin Berry, Darcy G. Dugan, David C. Finnoff, Molly Mayo, Jan Ohlberger, Eric J. Ward, Fish or not fish—fisheries participation and harvest diversification under economic and ecological change, Marine Policy, Volume 157, 2023, 105833, ISSN 0308-597X, https://doi.org/10.1016/j.marpol.2023.105833.
Citation: Sharp, J.D., Jiang, LQ., Carter, B.R. et al. A mapped dataset of surface ocean acidification indicators in large marine ecosystems of the United States. Sci Data 11, 715 (2024). https://doi.org/10.1038/s41597-024-03530-7
Citation: Barkley HC, Oliver TA, Halperin AA, Pomeroy NV, Smith JN, Weible RM, Young CW, Couch CS, Brainard RE and Samson JC (2022) Coral reef carbonate accretion rates track stable gradients in seawater carbonate chemistry across the U.S. Pacific Islands. Front. Mar. Sci. 9:991685. doi: 10.3389/fmars.2022.991685
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ADAPTING TO OCEAN ACIDIFICATION

The NOAA Ocean Acidification Program (OAP) works to prepare society to adapt to the consequences of ocean acidification and conserve marine ecosystems as acidification occurs. Learn more about the human connections and adaptation strategies from these efforts.

Adaptation approaches fostered by the OAP include:

FORECASTING

Using models and research to understand the sensitivity of organisms and ecosystems to ocean acidification to make predictions about the future, allowing communities and industries to prepare

MANAGEMENT

Using these models and predictions as tools to facilitate management strategies that will protect marine resources and communities from future changes

TECHNOLOGY DEVELOPMENT

Developing innovative tools to help monitor ocean acidification and mitigate changing ocean chemistry locally

REDUCING OUR CARBON FOOTPRINT

On the Road

Drive fuel-efficient vehicles or choose public transportation. Choose your bike or walk! Don't sit idle for more than 30 seconds. Keep your tires properly inflated.

With your Food Choices

Eat local- this helps cut down on production and transport! Reduce your meat and dairy. Compost to avoid food waste ending up in the landfill

With your Food Choices

Make energy-efficient choices for your appliances and lighting. Heat and cool efficiently! Change your air filters and program your thermostat, seal and insulate your home, and support clean energy sources

By Reducing Coastal Acidification

Reduce your use of fertilizers, Improve sewage treatment and run off, and Protect and restore coastal habitats

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TAKE ACTION WITH YOUR COMMUNITY

You've taken the first step to learn more about ocean acidification - why not spread this knowledge to your community?

Every community has their unique culture, economy and ecology and what’s at stake from ocean acidification may be different depending on where you live.  As a community member, you can take a larger role in educating the public about ocean acidification. Creating awareness is the first step to taking action.  As communities gain traction, neighboring regions that share marine resources can build larger coalitions to address ocean acidification.  Here are some ideas to get started:

  1. Work with informal educators, such as aquarium outreach programs and local non-profits, to teach the public about ocean acidification. Visit our Education & Outreach page to find the newest tools!
  2. Participate in habitat restoration efforts to restore habitats that help mitigate the effects of coastal acidification
  3. Facilitate conversations with local businesses that might be affected by ocean acidification, building a plan for the future.
  4. Partner with local community efforts to mitigate the driver behind ocean acidification  – excess CO2 – such as community supported agriculture, bike & car shares and other public transportation options.
  5. Contact your regional Coastal Acidification Network (CAN) to learn how OA is affecting your region and more ideas about how you can get involved in your community
       More for Taking Community Action