Publications

Articles in peer-reviewed journals

• Giroud, S., Tomonaga, Y., Brennwald, M. S., Takahata, N., Shibata, T., Sano, Y., & Kipfer, R. (2023). New experimental approaches enabling the continuous monitoring of gas species in hydrothermal fluids. Front. Water, 4, 1032094, doi:10.3389/frwa.2022.1032094.
• 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.
• Anselmetti, F. S., Bavec, M., Crouzet, C., Fiebig, M., Gabriel, G., Preusser, F., Ravazzi, C., Ariztegui, D., Beraus, S., Brandt, A.-C., Buechi, M., Buness, H., Burschil, T., Dehnert, A., Deplazes, G., Götzl, G., Firla, G., Gegg, L., Graf, H. R., Heeschen, K., Kipfer, R., Kroemer, E., Lüthgens, C., Monegato, G., Neuhuber, S., Pini, R., Reitner, J., Salcher, B., Schaller, S., Schmalfuss, C., Schmelzbach, C., Scholger, R., Schuster, B., Stumpf, A., Tanner, D. C., Thomas, C., Tomonaga, Y., Wieland-Schuster, U., & Wonik, T. (2022). Drilling Overdeepened Alpine Valleys (ICDP-DOVE): Quantifying the age, extent, and environmental impact of Alpine glaciations. Sci. Dril., 31, 51–70, doi:10.5194/sd-31-51-2022.
• Engelhardt, E., Tomonaga, Y., Brennwald, M. S., Maden, C., Hansteen, T. H., Schmidt, C., & Kipfer, R. (2022). Mantle helium in pore fluids of deep-sea sediments around the Azores archipelago. Chem. Geol., 608, 121038, doi:10.1016/j.chemgeo.2022.121038.
• Brennwald, M. S., Peel, M., Blanc, T., Tomonaga, Y., Kipfer, R., Brunner, P., & Hunkeler, D. (2022). New experimental tools to use noble gases as artificial tracers for groundwater flow. Front. Water, 4, 925294, doi:10.3389/frwa.2022.925294.
• Tomonaga, Y., Wersin, P., Rufer, D., Pastina, B., Koho, P., Ville, H., & Kipfer, R. (2022). Gas-bentonite interactions: Towards a better understanding of gas dynamics in Engineered Barrier Systems. Appl. Geochem., 138, 105205, doi:10.1016/j.apgeochem.2022.105205.
• Tyroller, L., Brennwald, M. S., Tomonaga, Y., Maden, C., & Kipfer, R. (2021). Noble gases as tracers for the gas dynamics in methane supersaturated lacustrine sediments. Chem. Geol., 568, 119905, doi: 10.1016/j.chemgeo.2020.119905.
• Weber, U. W., Kipfer, R., Horstmann, E., Ringrose, P., Kampman, N., Tomonaga, Y., Brennwald, M.S. & Sundal, A. (2021). Noble gas tracers in gas streams at Norwegian CO2 capture plants. Int. J. Greenh. Gas Con., 106, 103238, doi:10.1016/j.ijggc.2020.103238.
• Horstmann, E., Tomonaga, Y., Brennwald, M. S., Schmidt, M., Liebetrau, V. & Kipfer, R. (2021). Noble gases in sediment pore water yield insights into hydrothermal fluid transport in the northern Guaymas Basin. Mar. Geol., 434, 106419, doi:10.1016/j.margeo.2021.106419.
• 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.
• 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.
• Hensen, C., Duarte, J. C., Vannucchi, P., Mazzini, A., Lever, M. A., Terrinha, P. G., Géli, L., Henry, P., Villinger, H., Morgan, J., Schmidt, M., Gutscher, M.-A., Bartolome, R., Tomonaga, Y., Polonia, A., Gracia, E., Tinivella, U., Lupi, M., Cagatay, M. N., Elvert, M., Sakellariou, D., Matias, L., Kipfer, R., Karageorgis, A. P., Ruffine, L., Liebetrau, V., Pierre, C., Schmidt, C., Batista, L., Gasperini, L., Burwicz, E., Neres, M., & Nuzzo, M. (2019). Marine transform faults and fracture zones: a new perspective integrating seismicity, fluid flow and life. Front. Earth Sci., 7, 39, doi:10.3389/feart.2019.00039.
• Sciarra, A., Cantucci, B., Ricci, T., Tomonaga, Y., & Mazzini, A. (2019). Geochemical characterization of the Nirano mud volcano, Italy. Appl. Geochem., 102, 77–87, doi:10.1016/j.apgeochem.2019.01.006.
• 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.
• 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.
• Giroud, N., Tomonaga, Y., Wersin, P., Briggs, S., King, F., Vogt, T., & Diomidis, N. (2018). On the fate of oxygen in a spent fuel emplacement drift in Opalinus Clay. Appl. Geochem., 97, 270-278, doi:10.1016/j.apgeochem.2018.08.011.
• 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(2), 211–217, doi:10.2343/geochemj.2.0499.
• North, S. M., Stockhecke, M., Tomonaga, Y., & Mackay, A. W. (2018). Analysis of a fragmentary diatom record from Lake Van (Turkey) reveals substantial lake-level variability during previous interglacials MIS7 and MIS5e. J. Paleolimnol., 59(1), 119–133, doi:10.1007/s10933-017-9973-z.
• 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.
• Cukur, D., Krastel, S., Tomonaga, Y., Schmincke, H.-U., Sumita, M., Meydan, A. F., Cagatay, M. N., Toker, M., Kim, S. P., & Horozal, S. (2017). Structural characteristics of the Lake Van Basin, eastern Turkey, from high-resolution seismic reflection profiles and multibeam echosounder data: geologic and tectonic implications. Int. J. Earth Sci., 106(1), 239-253, doi:10.1007/s00531-016-1312-5.
• Wen, H., Sano, Y., Takahata, N., Tomonaga, Y., Ishida, A., Tanaka, K., Kagoshima, T., Shirai, K., Ishibashi, J., Yokose, H., Tsunogai, U., & Yang, T.F. (2016). Helium and methane sources and fluxes of shallow submarine hydrothermal plumes near the Tokara Islands, Southern Japan. Sci. Rep., 6, 34126, doi:10.1038/srep34126.
• 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.
• Tyroller, L., Tomonaga, Y., Brennwald, M. S., Ndayisaba, C., Naeher, S., Schubert, C. J., North, R.P., & Kipfer, R. (2016). Improved method for the quantification of methane concentrations in unconsolidated lake sediments. Environ. Sci. Technol., 50(13), 7047–7055, doi:10.1021/acs.est.5b05292.
• 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.
• Cukur, D., Krastel, S., Schmincke, H.-U., Sumita, M., Tomonaga, Y., & Cagatay, M.N. (2014). Water level changes in Lake Van, Turkey, during the past ca. 600 ka: climatic, volcanic and tectonic controls. J. Paleolimnol., 52(3), 201–214, doi:10.1007/s10933-014-9788-0.
• Randlett, M.-È., Coolen, M. J. L., Stockhecke, M., Pickarski, N., Litt, T., Balkema, C., Kwiecien, O., Tomonaga, Y., Wehrli, B., & Schubert, C.J. (2014). Alkenone distribution in Lake Van sediment over the last 270 kyrs: influence of temperature and haptophyte species composition. Quat. Sci. Rev., 104, 53-62, doi:10.1016/j.quascirev.2014.07.009.
• Tomonaga, Y., Brennwald, M. S., Livingstone, D. M., Tomonaga, G., & Kipfer, R. (2014). Determination of natural in vivo noble-gas concentrations in human blood. PLoS ONE, 9(5), e96972, doi:10.1371/journal.pone.0096972.
• Cukur, D., Krastel, S., Tomonaga, Y., Çağatay, M. N., & Meydan, A. F. (2013). Seismic evidence of shallow gas from Lake Van, eastern Turkey. Mar. Petrol. Geol., 48, 341–353, doi:10.1016/j.marpetgeo.2013.08.017.
• 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., Blättler, R., Brennwald, M. S., & Kipfer, R. (2012). Interpreting noble-gas concentrations as proxies for salinity and temperature in the world’s largest soda lake (Lake Van, Turkey). J. Asian Earth Sci., 59, 99–107, doi:10.1016/j.jseaes.2012.05.011.
• Litt, T., Anselmetti, F. S., Baumgarten, H., Beer, J., Cagatay, N., Cukur, D., Damci, E., Glombitza, C., Heumann, G., Kallmeyer, J., Kipfer, R., Krastel, S., Kwiecien, O., Meydan, A. F., Orcen, S., Pickarski, N., Randlett, M.-E., Schmincke, H.-U., Schubert, C. J., Sturm, M., Sumita, M., Stockhecke, M., Tomonaga, Y., Vigliotti, L., Wonik, T., & the PALEOVAN Scientific Team (2012). 500,000 Years of Environmental History in Eastern Anatolia: The PALEOVAN Drilling Project. Sci. Dril., 14, 18–29, doi:10.5194/sd-14-18-2012.
• Holzner, C. P., Tomonaga, Y., Stöckli, A., Denecke, N., & Kipfer, R. (2012). Using noble gases to analyze the efficiency of artificial aeration in Lake Hallwil, Switzerland. Water Resour. Res., 48, W09531, doi:10.1029/2012WR012030.
• 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.
• Tomonaga, Y., Brennwald, M. S., & Kipfer, R. (2011). An improved method for the analysis of dissolved noble gases in the pore water of unconsolidated sediments. Limnol. Oceanogr.: Methods, 9, 42–49, doi:10:4319/lom.2011.9.42.
• Kaden, H., Peeters, F., Lorke, A., Kipfer, R., Tomonaga, Y., & Karabiyikoglu, M. (2010). Impact of lake level change on deep-water renewal and oxic conditions in deep saline Lake Van, Turkey. Water Resour. Res., 46, W11508, doi:10.1029/2009WR008555.
• Klump, S., Tomonaga, Y., Kienzler, P., Kinzelbach, W., Baumann, T., Imboden, D. M., & Kipfer, R. (2007). Field experiments yield new insights into gas exchange and excess air formation in natural porous media. Geochim. Cosmochim. Acta, 71 (10) 1385–1397, doi:10.1016/j.gca.2006.12.006.

Book chapters

• Brennwald, M. S., Vogel, N., Scheidegger, Y., Tomonaga, Y., Livingstone, D. M., & Kipfer, R. (2013). Noble gases as environmental tracers in sediment porewaters and in stalagmite fluid inclusions. In P. Burnard (Ed.), The Noble Gases as Geochemical Tracers (pp. 123–153). Advances in Isotope Geochemistry. Berlin, Heidelberg: Springer. doi:10.1007/978-3-642-28836-4_6.

Theses

• Tomonaga, Y. (2010). Noble gases as tracers for transport of solutes and fluids in lake and ocean sediments. Ph.D. thesis, ETH Zurich, Zurich, doi:10.3929/ethz-a-006129449.
• Tomonaga, Y. (2004). Gasaustausch in porösen Medien: Bildung von excess air unter natürlichen Bedingungen. Diploma thesis, EAWAG / ETH Zürich, doi:10.3929/ethz-a-006157804.