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The scale, timing, and approach to carbon removal determines how effective it is at mitigating ocean acidification. NOAA has demonstrated expertise and assets to address many unknowns around the potential of ocean acidification mitigation by CDR.
Among the ocean-based NETs, artificial ocean alkalinization via the dissolution of Ca (OH) 2, known in short as ocean liming, has attracted attention due to its capability of contemporarily...
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.
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.
Ocean and coastal acidification (OCA) threatens marine ecosystems and the coastal communities that rely on them. Actions and best practices to adapt to and mitigate impacts of OCA, such as buffering sediments, restoring seagrasses and conserving refugia is an area of active research.
The ocean has become more acidic over the past century because of an increase in the amount of carbon dioxide it is absorbing from the atmosphere, leading to a lower pH and greater acidity. This is causing a fundamental change in the chemistry of the ocean from pole to pole.
Ocean alkalinity enhancement is a commonly touted method for marine carbon dioxide removal but many questions remain, including its capacity for large-scale carbon removal. Computer models have ...
Ocean acidification is fundamentally changing the chemistry of the world’s oceans and threatening our marine resources. Learn how our oceans are absorbing increasingly more carbon dioxide from the atmosphere, leading to lower pH and greater acidity.
The most effective way to limit ocean acidification is to act on climate change, implementing solutions to dramatically reduce the use of fossil fuels. If we dramatically cut our global warming emissions, and we limit future warming, we can significantly reduce the harm to marine ecosystems.
The Chemistry of Ocean Acidification The Role of Carbon Dioxide. Carbon dioxide (CO2) in the atmosphere dissolves into the ocean, initiating a series of chemical reactions that lead to ocean acidification. When CO2 mixes with seawater, it forms carbonic acid, which lowers the ocean’s pH and reduces the availability of carbonate ions.