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Smithsonian National Museum of Natural History

Sajjad Akam

Our Unique Planet Fellow
Department / Division
Mineral Sciences
Education
  • Ph.D., Texas A&M University-Corpus Christi
  • MSc., University of Delhi
  • BSc., University of Delhi
Research Interests

Geobiology, Biogeochemistry, Biomineralization, Carbon Cycling, Methane Seeps, Aquatic and Sedimentary Geochemistry

Publications
  • Gilleaudeau, G.J., Chen, X., Romaniello, S.J., Akam, S.A., Wittkop, C., Katsev, S., Anbar, A.D. and Swanner, E.D., 2025. Uranium isotope systematics of a low-productivity ferruginous ocean analog: Implications for the uranium isotope record of early Earth. Geochimica et Cosmochimica Acta. https://doi.org/10.1016/j.gca.2025.01.011.
  • Swanner, E.D., Harding, C., Akam, S.A., Lascu, I., Ledesma, G., Poudel, P., Sun, H., Duncanson, S., Bandy, K., Branham, A., Bryant-Tapper, L., Conwell, T., Jamison, O. and Netz, L., 2024. Thermal stratification and meromixis in four dilute temperate zone lakes. Biogeosciences, 21(6): 1549-1562. https://doi.org/10.5194/bg-21-1549-2024
  • Akam, S.A., Swanner, E.S., Chuang, P.C., Wallmann, K., Dale, A.W., Heathcote, A., Wittkopp, C., Swanner, E.S., 2024 Methane-Carbon Budget of a Ferruginous Meromictic Lake - Implication for Marine Methane Dynamics on Early Earth. Geology. https://doi.org/10.1130/G51713.1
  • Akam, S.A., Swanner, E. D., Yao, H., Hong, W.-L., and Peckmann, J., 2023, Methane-derived authigenic carbonates – A case for a globally relevant marine carbonate factory. Earth-Science Reviews, p. 104487. https://doi.org/10.1016/j.earscirev.2023.104487
  • Akam, S.A., Lyons, T.W., Coffin, R.B., McGee, D., Naehr, T.H., Bates, S.M., Clarkson, C. and Reese, B.K., 2021. Carbon-sulfur signals of methane versus crude oil diagenetic decomposition and U-Th age relationships for authigenic carbonates from asphalt seeps, southern Gulf of Mexico. Chemical Geology, p.120395. https://doi.org/10.1016/j.chemgeo.2021.120395
  • Akam, S.A., Coffin, R.B., Abdulla, H.A.N., and T.W Lyons (2020). A Dissolved Inorganic Carbon Pump in Methane Charged Shallow Marine Sediment Systems: State of the Art and New Model Perspectives, Frontiers in Marine Science, 7:206, https://doi.org/10.3389/fmars.2020.00206