Publications
Bednarsek, N., Armitage, D., Chan, F., Marx, L., Rheuban, J., Subhas, A.V. Conducting ocean alkalinity enhancement trials: Integrating multiple perspectives for future research. Submitted to Environmental Research Letters.
ICES (2025). Workshop on marine Carbon Dioxide Removal (WKmCDR; outputs from 2024 Meeting). ICES Scientific Reports. Report. doi: 10.17895/ices.pub.28246358.v3
Subhas, A. V., Rheuban, J. E., Wang, Z. A., McCorkle, D. C., Michel, A. P. M., Marx, L., … Chen, K. (2025). A tracer study for the development of in-water monitoring, reporting, and verification (MRV) of ship-based ocean alkalinity enhancement. EGUsphere, 2025, 1–34. doi: 10.5194/egusphere-2025-1348
Marx, L., Rheuban, J.E., McCorkle, D.C., Murray, C.S., Guo, Y., Wang, Z.A., Michel, A.P.M., Chen, K., Kim, H., Subhas, A.V. Development of the ecological activity index as an integrative ecosystem assessment and monitoring asset for ocean alkalinity enhancement. Submitted to Nature Sustainability.
Hashim, M., Marx, L., Klein, F., Dean, C., Burdige, E., Hayden, M., McCorkle, D.C., Subhas, A.V. (2025). Mineral Formation during Shipboard Ocean Alkalinity Enhancement Experiments in the North Atlantic. EGUsphere, 2025, 1–31. doi: 10.5194/egusphere-2025-988
Guo, Y., Chen, K., Subhas, A.V., Rheuban, J.E., Wang, Z.A., McCorkle, D.C., Michel, A., Kim, H.H. Site Selection for Ocean Alkalinity Enhancement on the US Northeast Shelf: Perspectives from Passive Tracer Experiments. In revision at Nature Communications: Earth and Environment
Lima, I. D., Wang, Z. A., Cameron, L. P., Grabowski, J. H., & Rheuban, J. E. (2023). Predicting Carbonate Chemistry on the Northwest Atlantic Shelf Using Neural Networks. Journal of Geophysical Research: Biogeosciences, 128(7). doi: 10.1029/2023jg007536
Jiang, L.-Q., Subhas, A. V., Basso, D., Fennel, K., & Gattuso, J.-P. (2023). Data reporting and sharing for ocean alkalinity enhancement research. State of the Planet, 2-oae2023, 13. doi: 10.5194/sp-2-oae2023-13-2023
Subhas, A. V., Lehmann, N., & Rickaby, R. E. M. (2023). Natural analogs to ocean alkalinity enhancement. State of the Planet, 2-oae2023, 8. doi: 10.5194/sp-2-oae2023-8-2023
Subhas, A. V., Marx, L., Reynolds, S., Flohr, A., Mawji, E. W., Brown, P. J., & Cael, B. B. (2022). Microbial ecosystem responses to alkalinity enhancement in the North Atlantic Subtropical Gyre. Frontiers in Climate, 4, 784997. doi: 10.3389/fclim.2022.784997
Datasets
Experimental dataset from Hashim et al. (2025): https://github.com/mshashim/Hashim-et-al-OAE
Data analysis and code from Lima et al. (2023): https://zenodo.org/records/8018245
Experimental dataset from Subhas et al. (2022): https://github.com/bbcael/subhasetal
Oceanus magazine
December 15, 2022
Looking to the Mighty Mississippi for climate solutions
Researchers measure alkalinity flowing into the Gulf of Mexico to assess a potential carbon dioxide removal strategy
December 7, 2021
An ocean of opportunity
Ocean experts explore the potential risks and rewards of ocean-based solutions to climate change

July 1, 2021
The ocean has heartburn. Is relief on the way?
Researchers investigate the use of alkalinity enhancement to quell ocean acidification and help maintain the sea’s role as a carbon sink