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Ocean Science
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Articles | Volume 21, issue 5
Articles | Volume 21, issue 5
https://doi.org/10.5194/os-21-2367-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/os-21-2367-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 21, issue 5
OS Letters
 | 
08 Oct 2025
OS Letters |  | 08 Oct 2025

Spatiotemporal properties of intrinsic sea level variability along the southeastern United States coastline

Carmine Donatelli, Christopher M. Little, Rui M. Ponte, and Stephen G. Yeager

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Calafat, F. M., Wahl, T., Lindsten, F., Williams, J., and Frajka-Williams, E.: Coherent modulation of the sea-level annual cycle in the United States by Atlantic Rossby waves, Nature Communications, 9, 2571, https://doi.org/10.1038/s41467-018-04898-y, 2018. 
Camargo, C. M., Piecuch, C. G., and Raubenheimer, B.: From Shelfbreak to Shoreline: Coastal sea level and local ocean dynamics in the Northwest Atlantic, Geophysical Research Letters, 51, e2024GL109583, https://doi.org/10.1029/2024GL109583, 2024. 
Chang, P., Zhang, S., Danabasoglu, G., Yeager, S. G., Fu, H., Wang, H., Castruccio, F. S., Chen, Y., Edwards, J., Fu, D., Jia, Y., Laurindo, L. C., Liu, X., Rosenbloom, N., Small, R. J., Xu, G., Zeng, Y., Zhang, Q., Bacmeister, J., Bailey, D. A., Duan, X., DuVivier, A. K., Li, D., Li, Y., Neale, R., Stössel, A., Wang, L., Zhuang, Y., Baker, A., Bates, S., Dennis, J., Diao, X., Gan, B., Gopal, A., Jia, D., Zhao Jing, Ma, X., Saravanan, R., Strand, W. G., Tao, J., Yang, H., Wang, X., Wei, Z., and Wu, L.: An unprecedented set of high-resolution earth system simulations for understanding multiscale interactions in climate variability and change, Journal of Advances in Modeling Earth Systems, 12, e2020MS002298, https://doi.org/10.1029/2020MS002298, 2020. 
Chassignet, E. and Marshall, D.: Gulf Stream separation in numerical ocean models, Geophysical Monograph Series, 177, https://doi.org/10.1029/177GM05, 2008. 
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This article is an engaging analysis and contributes to the ongoing discussion on intrinsic sea level variability and presents a novel and valuable contribution to our understanding of intrinsic sea level variability along the U.S. East Coast
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Assessing the spatiotemporal properties of intrinsic sea level variability is vital to improving predictions of coastal sea level changes. Here, we examined intrinsic sea level variability along the Southeast United States coast, an area of high and increasing societal vulnerability to sea level change, using numerical modeling. Our findings reveal that intrinsic coastal sea level variability is not negligible as previously thought and may exhibit predictability despite its chaotic nature.
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