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An opportunity to study Ocean Alkalinity Enhancement, carbon dioxide removal, and ecosystem impacts through coastal liming
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 in the coastal zone, this alkalinity likely influences neighboring bodies of water and may foster carbon dioxide removal and mitigate local ocean acidification. This project
Tidal wetlands as a low pH environment for accelerated and scalable olivine dissolution
Why we care Enhanced weathering is a carbon capture technology that increases ocean alkalinity by adding rocks with ultrabasic minerals, particularly in ecosystems like wetlands and mangroves. This project examines the safety, efficacy, and potential for large-scale implementation of enhanced weathering in tidal wetlands to enhance weathering as a method of carbon dioxide removal and
Assessing the laboratory and field responses of diatoms and coccolithophores to ocean alkalinity enhancement
Why we care Ocean alkalinity enhancement relies on modifying the acid-base properties of seawater to remove carbon dioxide, however the effect of this strategy on primary productivity, cell physiology, and carbon export remain unknown. These impacts are not only potential ecosystem effects, but may influence the efficiency of carbon dioxide removal. This research focuses on
Determining the Influence of Ocean Alkalinity Enhancement on Foraminifera Calcification, Distribution, and Calcium carbonate Production
Why we care Foraminifera, or forams, are single-celled organisms that produce calcium carbonate shells and play a crucial role in the ocean’s carbon cycle. Ocean alkalinity enhancement aims to increase the ocean’s ability to absorb carbon dioxide by enhancing its buffering capacity. However, the impact of the addition of alkalinity on foraminifera is not well
Developing a coupled benthic-pelagic biogeochemical model to evaluate the effectiveness of mCDR interventions
Why we care The ocean seafloor, or benthos, serves as the only long-term storage of oceanic carbon on geologic timescales. However, the interaction between ocean water and sediments and its role in carbon storage is a major knowledge gap. Understanding this feedback is important for assessing the duration of carbon storage for ocean carbon dioxide
Assessing Carbon Dioxide Removal and Ecosystem Response for an Ocean Alkalinity Enhancement Field Trial
Why we care Tracking how ocean alkalinity enhancement reduces acidity, resulting in carbon dioxide removal from the atmosphere is important for knowing how, where and when to deploy this approach as well as its potential impacts to marine life. Capitalizing on an ocean alkalinization field trial in the Gulf of Maine already underway, this project
Engaging U.S. Commercial Fishing Community to Develop Recommendations for Fishery-Sensitive mCDR Governance, Collaborative Research and Monitoring, and Outreach to Fishing Communities
Why we care Marine carbon dioxide removal strategies will interact with fishery ecosystems, resources, and activities. It is important to engage with commercial fisheries early to develop an accurate understanding of governance concerns to build trust and fishery-sensitive governance. What we will doThe project will leverage existing networks of fishermen from the Northeast, Alaska, and
Coupling Desalination with Novel mCDR Membranes
Why we care Large-scale marine carbon dioxide removal methods will require lots of infrastructure to move and process seawater, which could make them prohibitively expensive. This project examines a novel approach that leverages existing desalination infrastructure to minimize the cost of removing CO2 from seawater. This could make marine carbon dioxide removal a more cost-competitive
Related Projects
See our funded projects for this Focus Area
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..
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..
- PI(s): Andreas Andersson
- Fiscal Year Funded: 2023
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..
- PI(s): Dennis McGillicuddy
- Fiscal Year Funded: 2023
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..
- PI(s): Burke Hales
- Fiscal Year Funded: 2023
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,..
- PI(s): Jaime Palter
- Fiscal Year Funded: 2023
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
- Kelly A. Kearney, Steven J. Bograd, Elizabeth Drenkard, Fabian A. Gomez, Melissa Haltuch, Albert J. Hermann, Michael G. Jacox, Isaac C. Kaplan, Stefan Koenigstein, Jessica Y. Luo, Michelle Masi, Barbara Muhling, Mercedes Pozo Buil, Phoebe A. Woodworth-Jefcoats
- Frontiers in Marine Science
- August 26, 2021
- Katie E. Lotterhos, Áki J. Láruson & Li-Qing Jiang
- Scientific Reports
- August 26, 2021
- Liang Xue, Wei-Jun Cai, Li-Qing Jiang, Qinsheng Wei
- Global Biogeochemical Cycles
- June 16, 2021