Articles | Volume 17, issue 1
https://doi.org/10.5194/essd-17-43-2025
https://doi.org/10.5194/essd-17-43-2025
Data description paper
 | 
08 Jan 2025
Data description paper |  | 08 Jan 2025

A machine-learning reconstruction of sea surface pCO2 in the North American Atlantic Coastal Ocean Margin from 1993 to 2021

Zelun Wu, Wenfang Lu, Alizée Roobaert, Luping Song, Xiao-Hai Yan, and Wei-Jun Cai

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Cited articles

Breiman, L.: Random Forests, Machine Learning, 45, 5–32, https://doi.org/10.1023/A:1010933404324, 2001. 
Cahill, B., Wilkin, J., Fennel, K., Vandemark, D., and Friedrichs, M. A. M.: Interannual and seasonal variabilities in air-sea CO2 fluxes along the U.S. eastern continental shelf and their sensitivity to increasing air temperatures and variable winds: U.S. East Coast Shelf Air-Sea CO2 Fluxes, J. Geophys. Res.-Biogeo., 121, 295–311, https://doi.org/10.1002/2015JG002939, 2016. 
Carter, B. R., Feely, R. A., Williams, N. L., Dickson, A. G., Fong, M. B., and Takeshita, Y.: Updated methods for global locally interpolated estimation of alkalinity, pH, and nitrate: LIR: Global alkalinity, pH, and nitrate estimates, Limnol. Oceanogr. Methods, 16, 119–131, https://doi.org/10.1002/lom3.10232, 2018. 
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This study addresses the lack of comprehensive sea surface partial pressure of CO2 (pCO2) data in the North American Atlantic Coastal Ocean Margin (NAACOM) by developing the Reconstructed Coastal Acidification Database (ReCAD-NAACOM-pCO2). The product reconstructed sea surface pCO2 from 1993 to 2021 using machine-learning and environmental data, capturing seasonal cycles, regional variations, and long-term trends of pCOfor coastal carbon research.
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