Yama Tomonaga
Dr. Yama Tomonaga
CEO
Entracers GmbH
Überlandstrasse 133
CH-8600 Dübendorf
Switzerland
E-mail:
info(at)entracers.comURL Institution:
https://entracers.comPersonal URL:
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Key Publications of Yama Tomonaga (up to ten) :
Schilling, O.S., Nagaosa, K., Schilling, T.U., Brennwald, M.S., Sohrin, R., Tomonaga, Y., Brunner, P., Kipfer, R., & Kato, K. (2023). Revisiting Mt Fuji’s groundwater origins with helium, vanadium and environmental DNA tracers. Nat. Water, 1, 60–73, doi:10.1038/s44221-022-00001-4.
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., 4(11), 2105–2112, doi:10.1021/acsearthspacechem.0c00229.
Tomonaga, Y., Giroud, N., Brennwald, M. S., Horstmann, E., Diomidis, N., Kipfer, R., & Wersin, P. (2019). On-line monitoring of the gas composition in the Full-scale Emplacement experiment at Mont Terri (Switzerland). Appl. Geochem., 100, 234-243, doi:10.1016/j.apgeochem.2018.11.015.
Takahata, N., Tomonaga, Y., Kumamoto, Y., Yamada, M., & Sano, Y. (2018). Direct tritium emissions to the ocean from the Fukushima Dai-ichi nuclear accident. Geochem. J., 52, doi:10.2343/geochemj.2.0499.
Sano, Y., Kinoshita, N., Kagoshima, T., Takahata, N., Sakata, S., Toki, T., Kawagucci, S., Waseda, A., Lan, T., Wen, H., Chen, A., Lee, H., Yang, T. F., Zheng, G., Tomonaga, Y., Roulleau, E., & Pinti, D. L. (2017). Origin of methane-rich natural gas at the West Pacific convergent plate boundary. Sci. Rep., 7, 15646, doi:10.1038/s41598-017-15959-5.
Tomonaga, Y., Brennwald, M. S., Livingstone, D. M., Kwiecien, O., Randlett, M.-È., Stockhecke, M., Unwin, K., Anselmetti, F. S., Beer, J., Haug, G. H., Schubert, C. J., Sturm, M., & Kipfer, R. (2017). Porewater salinity reveals past lake-level changes in Lake Van, the Earth’s largest soda lake. Sci. Rep., 7, 313, doi:10.1038/s41598-017-00371-w.
Tomonaga, Y., Marzocchi, R., Pera, S., Pfeifer, H.–R., Kipfer, R., Decrouy, L., & Vennemann, T. (2017). Using noble-gas and stable-isotope data to determine groundwater origin and flow regimes: application to the Ceneri Base Tunnel (Switzerland). J. Hydrol., 545, 395–409, doi:10.1016/j.jhydrol.2016.11.043.
Kagoshima, T., Sano, Y., Takahata, N., Ishida, A., Tomonaga, Y., Roulleau, E., Pinti, D. L., Fischer, T. P., Lan, T., Nishio, Y., Tsunogai, U., & Guo, Z. (2016). Spatial and temporal variations of gas geochemistry at Mt. Ontake, Japan. J. Volcanol. Geoth. Res., 325, 179–188, doi:10.1016/j.jvolgeores.2016.06.013.
Tomonaga, Y., Brennwald, M. S., & Kipfer, R. (2015). Attenuation of diffusive noble-gas transport in laminated sediments of the Stockholm Archipelago. Limnol. Oceanogr., 60(2), 497–511, doi:10.1002/lno.10045.
Tomonaga, Y., Brennwald, M. S., Meydan, A. F., & Kipfer, R. (2014). Noble gases in the sediments of Lake Van – solute transport and palaeoenvironmental reconstruction. Quat. Sci. Rev., 104, 117–126, doi:10.1016/j.quascirev.2014.09.005.
Tomonaga, Y., Brennwald, M. S., & Kipfer, R. (2013). Using helium and other noble gases in ocean sediments to characterize active methane seepage off the coast of New Zealand. Mar. Geol., 344, 34–40, doi:10.1016/j.margeo.2013.07.010.
Tomonaga, Y., Brennwald, M. S., & Kipfer, R. (2011). Spatial distribution and flux of terrigenic He dissolved in the sediment pore water of Lake Van (Turkey). Geochim. Cosmochim. Acta, 75(10), 2848–2864, doi:10.1016/j.gca.2011.02.038.
Expertise of Yama Tomonaga:
Expertise Category | Specific Expertise |
---|
Expert Type | Expert Type |
| Scientific / Fundamental Research |
| Applied Sciences / Technologies / Engineering |
Topic Atmosphere | Climate |
| Radiation |
Topic Hydrosphere | Hydrosphere |
| Fresh Water Systems / Rivers / Lakes |
| Precipitation / Runoff |
| Ocean |
Topic Pedosphere | Geology / Sediments |
Topic Lithosphere | Lithosphere |
| Geochemical Processes |
| Tectonics |
| Sediments: Formation, Dynamics, Metamorphism |
Topic Integrated Systems | Integrated Systems and Ecology |
| Carbon Cycle |
| Hydrogeochemical Cycle |
Time Scale | Time Scale |
| Seasonal / Annual |
| Decadal / Centennial |
| Millenial |
| 100 kyr |
Methods | Method |
| Data Collection |
| Data Collection - Measurement |
| Data Analysis |
| Modeling |
| Applied Research / Technology |
| Integrated Assessment |
| Program Coordination / Management |
GeoForum Geo-Technology | Hydrogeology |
GeoForum Environmental-Technology | Waste Storage and Management |
Specialties of Yama Tomonaga:
(Noble) gas geochemistry in natural and engineered systems
Last update: 11/28/23
Source of data: ProClim- Research InfoSystem (1993-2024)
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