Research
I use global climate models to study climate dynamics over a range of spatiotemporal scales. My work currently falls under three broad categories:
Ocean circulation during the late Carboniferous
Macarewich, S. I., & Poulsen, C. J. (2022). Glacial-interglacial controls on ocean circulation and temperature during the Permo-Carboniferous. Paleoceanography and Paleoclimatology, 37, e2022PA004417. DOI: https://doi.org/10.1029/2022PA004417
Chen, J., Montañez, I.P., Zhang, S., Isson, T.T., Macarewich, S.I., Planavsky, N.J., Zhang, F., Rauzi, S., Daviau, K., Yao, L., Qi, Y., Wang, Y., Poulsen, C.J., Fan, J., Anbar, A., Shen, S. Wang, X. (2022). Marine anoxia linked to abrupt global warming during Earth’s penultimate icehouse. Proceedings of the National Academy of Sciences. DOI: https://doi.org/10.1073/pnas.2115231119
Macarewich, S.I., Poulsen, C.J., and Montañez, I.P. (2021). Simulation of oxygen isotopes and circulation in a late Carboniferous epicontinental sea with implications for proxy records. Earth and Planetary Science Letters. 559, 116770. DOI: https://doi.org/10.1016/j.epsl.2021.116770
Vegetation-climate interactions over Pangaea
Matthaeus, W.J., Macarewich, S.I., Richey, J.D., Wilson, J.P., McElwain, J.C., Montañez, I.P., DiMichele, W.A., Hren, M.T., Poulsen, C.J., White, J.D. (2021). Freeze tolerance influenced forest cover and hydrology during the Pennsylvanian. Proceedings of the National Academy of Sciences. DOI: https://doi.org/10.1073/pnas.2025227118
White, J.D., Montañez, I.P., Wilson, J.P., Poulsen, C.J., McElwain, J.C., DiMichele, W.A., Hren, M.T., Macarewich, S.I., Richey J., Matthaeus, W. (2020). Paleo-BGC to Simulate the Dynamic Response of Late Pennsylvanian Plants to Elevated O2 And Aridification. American Journal of Science. 320, 547–598. DOI: https://doi.org/10.2475/09.2020.01
Richey, J.D., Montañez, I.P., White, J.D., DiMichele, W.A., Matthaeus, W.J., J.P., Poulsen, Macarewich, S.I., Looy, C.V. (2020). Modeled physiological mechanisms for observed changes in the late Paleozoic plant fossil record. Palaeogeography, Palaeoclimatology, Palaeoecology. DOI: https://doi.org/10.1016/j.palaeo.2020.110056
Ocean circulation during the late Carboniferous
Macarewich, S. I., & Poulsen, C. J. (2022). Glacial-interglacial controls on ocean circulation and temperature during the Permo-Carboniferous. Paleoceanography and Paleoclimatology, 37, e2022PA004417. DOI: https://doi.org/10.1029/2022PA004417
Chen, J., Montañez, I.P., Zhang, S., Isson, T.T., Macarewich, S.I., Planavsky, N.J., Zhang, F., Rauzi, S., Daviau, K., Yao, L., Qi, Y., Wang, Y., Poulsen, C.J., Fan, J., Anbar, A., Shen, S. Wang, X. (2022). Marine anoxia linked to abrupt global warming during Earth’s penultimate icehouse. Proceedings of the National Academy of Sciences. DOI: https://doi.org/10.1073/pnas.2115231119
Macarewich, S.I., Poulsen, C.J., and Montañez, I.P. (2021). Simulation of oxygen isotopes and circulation in a late Carboniferous epicontinental sea with implications for proxy records. Earth and Planetary Science Letters. 559, 116770. DOI: https://doi.org/10.1016/j.epsl.2021.116770
Vegetation-climate interactions over Pangaea
Matthaeus, W.J., Macarewich, S.I., Richey, J.D., Wilson, J.P., McElwain, J.C., Montañez, I.P., DiMichele, W.A., Hren, M.T., Poulsen, C.J., White, J.D. (2021). Freeze tolerance influenced forest cover and hydrology during the Pennsylvanian. Proceedings of the National Academy of Sciences. DOI: https://doi.org/10.1073/pnas.2025227118
White, J.D., Montañez, I.P., Wilson, J.P., Poulsen, C.J., McElwain, J.C., DiMichele, W.A., Hren, M.T., Macarewich, S.I., Richey J., Matthaeus, W. (2020). Paleo-BGC to Simulate the Dynamic Response of Late Pennsylvanian Plants to Elevated O2 And Aridification. American Journal of Science. 320, 547–598. DOI: https://doi.org/10.2475/09.2020.01
Richey, J.D., Montañez, I.P., White, J.D., DiMichele, W.A., Matthaeus, W.J., J.P., Poulsen, Macarewich, S.I., Looy, C.V. (2020). Modeled physiological mechanisms for observed changes in the late Paleozoic plant fossil record. Palaeogeography, Palaeoclimatology, Palaeoecology. DOI: https://doi.org/10.1016/j.palaeo.2020.110056