Publications & presentations

In review & in preparation

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  Mitsunaga, B.A.; Dellinger, A.; Guarino, R.; McLean, D.; O’Mara, N.A.; Smolen, J.D.; Worthey, K.; Schefuß, E.; Kuhlmann, H.; Vachula, R.S.; Smith, V.; Barton, N.; Uno. K.; North African environments in the age of Homo sapiens: Pleistocene hydrology-ecology-fire-temperature influences on human evolution and development (in review, Nature Communications)
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  Mahowald, N.; Liddy, H.; Marlon, J.; Tsigaridis, K.; Winckler, G.; Hamilton, D.; Kok, J.; Sigl, M.; Abell, J.; Aboagye-Okyere, A.; Adabouk Amooli, J.; Albani, S.; Bauer, S.; Beaudon, E.; Brown, H.; Chellman, N.; Cosentino, N.; Goodkin, N.; Guiterman, C.; Hantson, S.; He, C.; Intveld, A.; Kaplan, J.; Klavans, J.; Lambert, F.; Liu, H.; Loutre, M.; McConnell, J.; McGraw, Z.; Mezuman, K.; Miller, R.; O’Mara, N.A.; Ong, M.R.; Schmidt, G.; Vachula, R.; Wu, L.; Zhang, B.;Characterizing Natural Aerosol Variability and its Uncertainty in the Earth System (in review, Atmospheric Chemistry and Physics)
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  O’Mara, N.A.; Githumbi, E.N.; Bartlein, P.J.; Dabengwa, A.; Teruel, O.; Norwood, M.; Aleman, J.; A.; Marlon, J.R.; Staver, A.C. Precipitation and human activity primarily controlled African fire activity since the last glacial maximum (in prep for Geophysical Research Letters)
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  Hernandez, P.; Russell, J. M.; Staver, A. C.; Strydom, T.; Wadehra, R.; O'Mara, N. A.; Karp, A. T.; Analyzing PAH Concentrations in Experimental Burn Plot Soils to Improve Reconstructions of Savanna Fires (in prep for Organic Geochemistry)
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  O’Mara, N.A.; de Menocal, P. B.; Uno, K. T.; Tierney, J. E.; Polissar, P.J.; The role of fire in Northwest African ecosystem transitions during the last deglaciation to late-Holocene (in prep.)

Selected conference presentations

Talks

• 2023
  O’Mara, N. A.; Polissar, P. J.; deMenocal, P. B; Uno, K. T; Winckler, G.; Tierney, J. E.; D'Andrea, W. J.; McManus, J. M.; Bartlein, P. J.; Githumbi, E. N.; Daniau, A. L.; Staver, A. C.; Marlon, J. R. (2023) Reconstructing continental-scale spatial vegetation and fire patterns in Africa: towards a pan-African Last Glacial Maximum record. AGU Fall Meeting 2023.
• 2023
  O’Mara, N. A.; Uno, K. T; deMenocal, P. B.; Winckler, G.; Tierney, J. E.; Polissar, P. J (2023) Capturing wildfire and vegetation gradients along the West African margin in marine sediments: a biomarker approach. INQUA Congress 2023.
• 2022
  O’Mara, N. A.; Uno, K. T; deMenocal, P. B.; Tierney, J. E.; Polissar, P. J. (2022) Characterizing Fire Regimes of Northwest African Savannas from the Last Glacial Maximum to the Late Holocene. AGU Fall Meeting 2022.

Posters

• 2026
  Restivo, N.; Hernandez, P.; Sackett, E.; Zhou, Y.;Russell, J. M.; Saver, A. C.; Strydom, T.; Mauceri, A.A.; O’Mara, N. A.; Karp, A. T.; (2026) Calibrating Molecular Proxies for Fires in Savannas. Midwest Geobiology Symposium 2026.
• 2026
  Ochocki, M.; Stoetzel, E.; O’Mara, N. A.; Wainwright, J.;Carolin, S.; Barton, N.; Bouzouggar, A.; Blumenthal, S.; Styring, A.; (2026) Environment and cultural transitions: New insights from isotopic analysis of rodent tooth enamel at Taforalt Cave. UK Archaeological Sciences Conference 2026
• 2025
  O’Mara, N.A.; de Menocal, P. B.; Uno, K. T.; Tierney, J. E.; Polissar, P.J.; (2025) New insights into reconstructing past wildfires: calibrating fire biomarker proxies in marine sediments using random forest models. AGU Annual Meeting 2025

Full list in CV (PDF)