Publications

 

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• Kniptash, R.,  Akam, S.A., Swanner, E.D.,  Meyer, J.R.,  Local-scale hydrogeologic controls on groundwater discharge areas to a ferruginous, meromictic kettle lake (submitted to Hydrogeology)

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• 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, v. 21, no. 6, p. 1549-1562. https://doi.org/10.5194/bg-21-1549-2024, 2024 

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• Akam, S.A, Swanner, E.S., Chuang, P.C., Wallmann, K.., Dale, A.W., Wittkop, C; Methane-Carbon Budget of a Ferruginous Meromictic Lake - Implication for Marine Methane Dynamics on Early Earth: Geology https://doi.org/10.1130/G51713.1 (pdf)

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• 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

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• 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 doi: 10.1016/j.chemgeo.2021.120395 (pdf)

 

• 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, doi: 10.3389/fmars.2020.00206 (pdf)

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Data Reports

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• Swanner, E.D., I. Lascu, G. Ledesma, T. Leung, and S. Akam. 2022. Water properties of Arco Lake, Budd Lake, Deming Lake, and Josephine Lake in Itasca State Park from 2006-2009 and 2019-2021. ver 1. Environmental Data Initiative. https://doi.org/10.6073/pasta/692c92ef1c8291162732c2b98cebdaea

• Swanner, E.D., R. Islam, G. Ledesma, C. Wittkop, S. Akam, E. Eitel, S. Katsev, B. Johnson, S. Poulton, and A. Bray. 2022. Geochemical data from sediments and porewaters from ferruginous and meromictic Brownie Lake, Minnesota, U.S.A. ver 1. Environmental Data Initiative. https://doi.org/10.6073/pasta/68b50baa0a767ab33f2b7dd91948036e

 

Dissertation

 

• Akam, S.A., Impact of Hydrocarbon Seeps to Shallow Marine Sedimentary Environments. Doctoral Dissertation, Texas A&M University-Corpus Christi, 2020. Weblink: https://hdl.handle.net/1969.6/89077 

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Peer-reviewed science outreach article:

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• Sajjad Akam and Richard Coffin (2020). When Oceanic Rocks Tell the Unseen Stories: Unfolding the story of deep carbon cycling from rock records. Third Coast Science magazine, V5, p.3-6: (Link)

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In Prep

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• Akam, S.A., Coffin, R.B., Abdulla, H.A.N., and Y Zhang. Unique Isomer Patterns of Glycerol Dialkyl Glycerol Tetraethers at Methane Flux Settings – Implications to Paleoclimate Proxies (In preparation for Geochimica et Cosmochimica Acta)

• Akam, S.A., Hardisty, D., Swanner E.D., Hashim, M., Peckmann, J, Feng, D, Xudong, W., ...Crémière, A. I/Ca proxy tracking redox variation in authigenic carbonates from cold seeps (in prep for Geochemistry, Geophysics, Geosystems)

• Yao, H and Akam., S.A. Impact of diffusive marine methane flux to bottom water carbonate chemistry: A first look from global open dataset (In prep for Biogeosciences)

• Akam S.A, Rico, K., Liu X., Swanner E.D. Molecular fossil records of carbon cycling variability in lake system under extreme human perturbations: A case from meromictic ferruginous lake (in prep for Organic Geochemistry)