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Michael Sandstrom

Michael Sandstrom

Post-doctoral Research Associate

mikesand@unc.edu
327 Mitchell Hall
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Coleman Lab


Education

2020 Doctor of Philosophy in Earth and Environmental Science, Columbia University
2018 Master of Philosophy in Earth and Environmental Science, Columbia University
2016 Master of Arts in Earth and Environmental Science, Columbia University
2012 Bachelor of Arts in Earth Science, Vassar College

Research Interests

I use paleoclimate and spatial data alongside geochemistry and geochronology to reconstruct past sea level and ice volume changes that took place millions of years ago. My expertise includes high-precision strontium isotope geochronology of shallow water carbonates, uranium-thorium series dating of fossil coral, and coastal geomorphological field mapping using LiDAR, dGPS and 3D photogrammetry.

Research and Activities

My current research includes processing strontium, lead and neodymium isotopes on archeological specimens to help determine migration patterns and sourcing. I am also involved with in analyzing isotopes on a VG Sector 54 TIMS, developing various sample processing methodologies for archeological and marine carbonate analysis, and conducting detailed geospatial mapping and geochronological dating of uplifted marine terraces in Barbados to better understand long-term deformation and sea level records

Selected Publications

Sandstrom, M.R., O’Leary, M., Barham, M., Cai, Y., Rasbury, T., Wooton, K., Raymo, M. (2021). Age constraints on surface deformation recorded by fossil shorelines at Cape Range, Western Australia: Reply. Geological Society of America Bulletin. https://doi.org/10.1130/B36330.1

Dyer, B., Austermann, J., D’Andrea, W.J., Creel, R.C., Sandstrom, M.R., Cashman, M., Rovere, A., Raymo, M.E. (2021) Sea level trends across the Bahamas constrain peak last interglacial ice melt. Proceedings of the National Academy of Sciences, 118 (33) e2026839118; www.doi.10.1073/pnas.2026839118

Sandstrom, M.R., O’Leary, M., Barham, M., Cai, Y., Rasbury, T., Wooton, K., Raymo, M. (2020). Age constraints on surface deformation recorded by fossil shorelines at Cape Range, Western Australia. Geological Society of America Bulletin. https://doi.org/10.1130/B35564.1

Rovere, A., Pappalardo, M., Richiano, S., Aguirre, M., Sandstrom, M.R., Hearty, P.J., Austermann, J., Castellanos, I., Raymo, M.E. (2020) Higher than present global mean sea level recorded by an Early Pliocene intertidal unit in Patagonia (Argentina). Commun Earth Environ 1, 68. https://doi.org/10.1038/s43247-020-00067-6

Hearty, P. J., Rovere, A., Sandstrom, M. R., O’Leary, M. J., Roberts, D., & Raymo, M. E. (2020). Pliocene‐Pleistocene stratigraphy and sea‐level estimates, Republic of South Africa with implications for a 400 ppmv CO2 world. Paleoceanography and Paleoclimatology, 35, e2019PA003835. https://doi.org/10.1029/2019PA003835

Sandstrom, M. R., Skrivanek, A. and Shakun, J. (2018). Dynamic ice sheet and sea level response to past climate change, Eos, 99, https://doi.org/10.1029/2018EO098171. Published on 07 May 2018.

Skrivanek, A., Sandstrom, M.R., Shakun, J. (2018). Phasing of ice-sheet and sea-level responses to past climate change, Past Global Changes Magazine, 26(1), 37, https://doi.org/10.22498/pages.26.1.37

Rovere, A., Casella, E., Harris, D., Lorscheid, T., Nandasena, N., Dyer, B., Sandstrom, M., Stocci, P., D’Andrea, W., Raymo, M. (2017). Giant boulders and Last Interglacial storm intensity in the North Atlantic. PNAS. www.pnas.org/cgi/doi/10.1073/pnas.1712433114

Rovere, A., Casella, E., Harris, D., Lorscheid, T., Nandasena, N., Dyer, B., Sandstrom, M., Stocci, P., D’Andrea, W., Raymo, M. (2018). Reply to Hearty and Tormey: Use the scientific method to test geologic hypotheses, because rocks do not whisper. PNAS. www.pnas.org/cgi/doi/10.1073/pnas.1800534115

Dassie, E., DeLong, K., Kilbourne, H., Williams, B., Abram, N., Brenner, L., Brahmi, C., Cobb, K., Correge, T., Dissard, D., Emile-Geay, J., Evangelista, H., Evens, M., Farmer, J., Felis, T., Gagan, M., Gillikin, D., Goodkin, N., Khodri, M., Lavagnino, A.C., LaVigne, M., Lazareth, C., Linsley, B., Lough, J., McGregor, H., Nurhati, I., Gilman, O., Perrin, L., Raymo, M., Rosenheim, B., Sandstrom, M., Schone, B., Sifeddine, A., Stevenson, S., Thompson, D., Waite, A., Wanamaker, A., Wu, H. (2017). Saving our marine archives. EOS, 98, https://doi.org/10.1029/2017EO068159