The Mid-Pliocene sea-level conundrum: Glacial isostasy, eustasy and dynamic topography. Rovere, A., Raymo, M., E., Mitrovica, J., X., Hearty, P., J., O'Leary, M., J., & Inglis, J., D. Earth and Planetary Science Letters, 387:27-33, Elsevier B.V., 2014.
The Mid-Pliocene sea-level conundrum: Glacial isostasy, eustasy and dynamic topography [pdf]Paper  The Mid-Pliocene sea-level conundrum: Glacial isostasy, eustasy and dynamic topography [link]Website  doi  abstract   bibtex   
Determining eustatic sea level during the Mid-Pliocene warm period (~3.3 to 2.9 Ma) has been a central but elusive goal in the study of past warm climates. Estimates of eustatic sea level based on geologic data span a broad range; variation that we now recognize is due in part to geographically varying post-depositional displacement caused by glacial isostatic adjustment and dynamic topography. In this study, we combine field observations and glacial isostatic adjustment modeling to estimate the dynamic topography signal in three areas that are important to paleo-sea level studies of the Mid-Pliocene warm period (South Africa, West Australia and southeastern United States). We show that dynamic topography played a significant role in the post-depositional displacement of Pliocene, and even younger Pleistocene, shorelines. In this regard, we provide a robust paleo-sea level elevation data set, corrected for glacial isostatic adjustment, that can be used to evaluate predictions from mantle flow models of dynamic topography. © 2013 Elsevier B.V.

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