Research
Lalk, E., Pape, T., Gruen, D., Karolewski, J., Kaul, N., Bohrmann, G., Ono, S. 2022. Clumped methane isotopologue-based temperatures estimates for methane in marine gas hydrates and associated vent gases. Geochimica et Cosmochimica Acta.
Presentation: Lalk, E., Pape, T., Gruen, D., Karolewski, J., Kaul, N., Bohrmann, G., Ono, S., Clumped methane isotopologues in oceanic hydrate-bound gases: a global perspective
Northeast Geobiology (2021)
WHOI Marine Chemistry & Geochemistry Department Seminar (2021)
AGU (2021)
Lalk, E., Seewald, J., Bryndzia, L.T., Ono, S. (2023) Kilometer-scale profiles of Δ13CH3D distinguish end-member mixing from methane production in deep marine sediments. Organic Geochemistry. https://doi.org/10.1016/j.orggeochem.2023.104630
The first of these profiles was presented at Goldschmidt 2018:
Lalk E, Seewald J & Ono S. 2018. "Methane Isotopologue Analysis for Mud Gas Logging Samples to Trace Microbial and Thermogenic Methanogenesis in Deep Marine Sediments"
And data from both profiles was presented at Goldschmidt 2022:
Lalk, E., Seewald, J., Bryndzia, L.T., Ono, S. 2022. Kilometer-scale profiles of Δ13CH3D distinguish end-member mixing from methane production in deep marine sediments
Lalk, E., Velez, A., Ono, S. Methane clumped isotopologue variabiloty from ebullition in a mid-latitude lake. ACS Earth and Space Chemistry. https://doi.org/10.1021/acsearthspacechem.3c00282
This work was presented at the 2022 Northeast Geobiology Symposium:
*Velez, A., Lalk, E., and Ono, S. Temporal and spatial variability in Δ13CH3D values and methane flux from ebullition in a mid-latitude lake
*undergrad mentee
and at the 2023 AGU Fall Meeting: Lalk, E., *Velez, A., Ono, S. Methane clumped isotopologue variability from ebullition in a mid-latitude lake.
Presented at Goldschmidt 2019:
Lalk E, Wang D, Spivack A & Ono S (2019), "Quantitative Determination of Methane and its Isotopologues in Deep Marine Sediments at IODP 370 Site C0023, off Muroto, Japan" Goldschmidt Abstracts, 2019 1813
Some sample collection for this projected was funded through Ocean Venture Fund "Investigation of methane seepage from Scotian Shelf using methane isotopologues and gas ratios"
Ranganathan, M., Lalk, E., Freese, L.M., Freilich, M.A., Wilcots, J., Duffy, M.L., Shivamoggi, R. (2021). Trends in the representation of women amongst US geoscience faculty from 1999-2020: the long road towards gender parity. AGU Advances.
(submitted) Duffy, M., Barnes, L., Wirz, C., Ranganathan, M,. Freilich, M.A., Freese, L.M., Lalk, E., Wilcots, J. An empirical analysis of how geoscientists from underrepresented groups decide to accept or decline faculty job offers. http://doi.org/10.22541/essoar.170612426.63684810/v1