Our most recent publication is now available on-line!
- Tomonaga, Y., Yagasaki, K., Park, J.-O., Ashi, J., Toyoda, S., Takahata, N., & Sano, Y. (2020). Fluid emission along the Nankai Trough: He isotopes reveal direct seafloor mantle-fluid emission in the Kumano Basin (southwest Japan), ACS Earth Space Chem., doi:10.1021/acsearthspacechem.0c00229.
The work is directly related to the NoGOS project and the time I enjoyed working in the Marine Analytical Chemistry group at the Atmosphere and Ocean Research Institute (AORI) of the University of Tokyo.
Following articles have been accepted for publication in peer-reviewed journals:
- Tyroller, L., Brennwald, M. S., Tomonaga, Y., Maden, C., & Kipfer, R. (2020). Noble gases as tracers for the gas dynamics in methane supersaturated lacustrine sediments. Chem. Geol., in press, doi: 10.1016/j.chemgeo.2020.119905.
- Brennwald, M. S., Tomonaga, Y., & Kipfer, R. (2020). Deconvolution and compensation of mass spectrometric overlap interferences with the miniRUEDI portable mass spectrometer. MethodsX, 7, 101038, doi: 10.1016/j.mex.2020.101038.
The following co-authored article has been published in Marine Geology:
- Nuzzo, M., Tomonaga, Y., Schmidt, M., Valadares, V., Faber, E., Piñero, E., Reitz, A., Haeckel, M., Tyroller, L., Godinho, E., Kipfer, R., Terrinha, P.G., & Hensen, C. (2019). Formation and migration of hydrocarbons in deeply buried sediments of the Gulf of Cadiz convergent plate boundary – Insights from the hydrocarbon and helium isotope geochemistry of mud volcano fluids. Mar. Geol.,410, 56–69 doi:10.1016/j.margeo.2019.01.005.
- Clay dehydration water expelled from buried sediments drives mud volcanism.
- Rise of fluids mediated by crustal-scale strike-slip faults cross-cutting wedge.
- On active accretionary wedge, petroleum accumulations were dismantled in Neogene.
- 4He enrichment and δ13C-CH4 ~−50‰ in fluids reflect an open hydrocarbon system.
- Petroleum pools remain on shallow margin. Microbial gas vented out of active wedge.
Here you can download the manuscript for free until March 13th, 2019.