TOMONAGA Yama, Ph.D.

Research interests

• Fluid transport in the sediment pore space.
• Terrigenic He emission to study physical processes in the solid earth.
• Noble gases in the pore water of unconsolidated sediments as proxies for past climate reconstruction.

Publications

The following list comprises contributions until 2013. For more recent contributions (2014 and onwards) please refer to the Publications page.

Articles in peer-reviewed journals

• 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. Scientific Drilling, 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.

Other publications

• 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.

Conference contributions

•  Tomonaga, Y., Brennwald, M. S., Maden, C., Meydan, A. F., & Kipfer, R. (2013). Noble-gas geochemistry of the M7.2 earthquake close to Lake Van (Turkey). AGU Fall Meeting. San Francisco, USA.
• Cukur, D., Krastel, S., Schmincke, H. – U., Sumita, M., Tomonaga, Y., & Damci, E. (2013). Drastic lake level changes of Lake Van (eastern Turkey) during the past ca. 600 ka: climatic, volcanic and tectonic control. AGU Fall Meeting. San Francisco, USA.
• Tomonaga, Y., Brennwald, M. S., & Kipfer, R. (2013). Using noble gases in the pore water of ocean sediments to characterize methane seepage off the coast of New Zealand. In PERGAMON Symposium 2013. Kiel, Germany.
• Tyroller, L., Brennwald, M. S., Tomonaga, Y., & Kipfer, R. (2013). Effect of lake level variation on methane dynamics in the sediment of Lake Lungern, Switzerland. In PERGAMON Symposium 2013. Kiel, Germany.
• Tomonaga, Y., Brennwald, M. S., Maden, C., Meydan, A. F., & Kipfer, R. (2013). Earthquake-driven noble-gas geochemistry in Lake Van (Turkey). In 2013 International Van Earthquake Symposium. Van, Turkey.
• Tomonaga, Y., Brennwald, M. S., Maden, C., Meydan, A. F., & Kipfer, R. (2013). Earthquake-driven noble-gas geochemistry in Lake Van (Turkey). In Mineralogical Magazine (Vol. 77, 2342). 23rd Annual V.M. Goldschmidt Conference. Florence, Italy.
• Tyroller, L., Brennwald, M. S., Ndayisaba, C., Tomonaga, Y., & Kipfer, R. (2013). Linking noble gas and CH₄ concentrations in the sediment porewater of Lake Lungern, Switzerland. In Mineralogical Magazine (Vol. 77, 2370). 23rd Annual V.M. Goldschmidt Conference. Florence, Italy.
• Brennwald, M. S., Lundby, C., Tomonaga, Y., & Kipfer, R. (2013). Noble gases as physiological tracers for gas dynamics in human blood. In Mineralogical Magazine (Vol. 77, 769). 23rd Annual V.M. Goldschmidt Conference. Florence, Italy.
• Brennwald, M. S., Maden, C., Vogel, N., Tomonaga, Y., & Kipfer, R. (2013). Recent advances of noble gas geochemistry in aquatic systems. In Mineralogical Magazine (Vol. 77, 769). 23rd Annual V.M. Goldschmidt Conference. Florence, Italy.
• Randlett, M.-È., Coolen, M. J. L., Bechtel, A., Stockhecke, M., Kwiecien, O., Tomonaga, Y., Wehrli, B., & Schubert C. J. (2013). Alkenones and hydrogen stable isotopic composition of N-alkane as indicators of past temperature and salinity in Lake Van. In Mineralogical Magazine (Vol. 77, 2026). 23rd Annual V.M. Goldschmidt Conference. Florence, Italy.
• Tyroller, L., Brennwald, M. S., Ndayisaba, C., Tomonaga, Y., & Kipfer, R. (2013). Linking noble gas and methane concentrations in the sediment porewater of Lake Lungern, Switzerland. In Developments In Noble Gas Understanding and Expertise. Florence, Italy.
• Tomonaga, Y., Brennwald, M. S., & Kipfer, R. (2013). Noble gases in the pore water of the ICDP PaleoVan deep-drilling cores : fluid transport and past environmental conditions. In Developments In Noble Gas Understanding and Expertise. Florence, Italy.
• Brennwald, M. S., Lundby, C., Tomonaga, Y., & Kipfer, R. (2013). Noble gases as physiological tracers for gas dynamics in human blood. In Developments In Noble Gas Understanding and Expertise. Florence, Italy.
• Tomonaga, Y., Brennwald, M. S., & Kipfer, R. (2013). Using noble gases in the pore water of ocean sediments to characterize CH₄ seepage off the coast of New Zealand. In Geophysical Research Abstracts (Vol. 15, EGU2013–2878). EGU General Assembly. Vienna, Austria.
• Tyroller, L., Tomonaga, Y., Brennwald, M. S., Naeher, S., Ndayisaba, C., Schubert, C. J., et al. (2013). Methane dynamics in supersaturated lake sediments. In Geophysical Research Abstracts (Vol. 15, EGU2013–9361). EGU General Assembly. Vienna, Austria.
• Kwiecien, O., Tomonaga, Y., Stockhecke, M., Randlett, M.-E., Bucher, S., Pickarski, N., Brennwald, M. S., Schubert, C. J., Kipfer, R., Anselmetti, F., Sturm, M., Haug, G. H. (2012). Hydroclimatic changes recorded in Lake Van (eastern Anatolia, Turkey) during the last glacial/interglacial cycle. AGU Fall Meeting. San Francisco, United States.
• Tomonaga, Y., Brennwald, M. S., & Kipfer, R. (2012). Noble gases in the sediment pore water as proxies for physical transport processes and past environmental conditions in Lake Van (Turkey). ASLO Aquatic Sciences Meeting. Otsu, Japan.
• Tyroller, L., Tomonaga, Y., Brennwald, M. S., Naeher, S., Schubert, C. J., & Kipfer, R. (2012). Mechanisms of methane release from the sediments of Lake Rotsee (Switzerland). ASLO Aquatic Sciences Meeting. Otsu, Japan.
• Tomonaga, Y., Brennwald, M. S., & Kipfer, R. (2012). Noble gases in the sediment pore water as proxies for physical transport processes in Lake Van (Turkey). 22nd V.M. Goldschmidt Conference. Montréal, Canada.
• Tomonaga, Y., Brennwald, M. S., & Kipfer, R. (2012). Noble gases in the sediment pore water as proxies for physical transport processes and past environmental conditions in Lake Van (Turkey). EGU General Assembly. Vienna, Austria.
• Tomonaga, Y. (2011), Noble gases in the pore water of unconsolidated sediments: A growing research field of noble-gas geochemistry. 55th RHIN seminar (invited presentation). Kyoto, Japan.
• Tomonaga, Y., Brennwald, M. S., & Kipfer, R. (2011). Noble gases in the sediment pore waters of Lake Van as proxies for environmental processes and conditions? In Quaternary International (Vol. 279-280, pp. 495–496). XVIII INQUA-Congress. Bern, Switzerland, doi:10.1016/j.quaint.2012.08.1691.
• Tomonaga, Y., Brennwald, M. S., & Kipfer, R. (2011). Noble Gases in the Sediment Pore Water as Proxies for Physical Transport Processes and Past Environmental Conditions in Lake Van? In Mineralogical Magazine (Vol. 75, 2021).
• Blaettler, R., Tomonaga, Y., Brennwald, M. S., Kwiecien, O., & Kipfer, R. (2011). Are Noble Gases in the Sediment Pore Water of Lake Van Promising Proxies for Paleoclimate Conditions? In Mineralogical Magazine (Vol. 75, 532).
• Tokarev, I., Kipfer, R., Tomonaga, Y., Brennwald, M., & Vereschagina, E. (2011). Comparison of ⁴He and ¹⁴C Dating, Noble-Gas Temperatures and Stable Isotope (δ²H, δ¹⁸O) Data for Groundwater in Stratified Aquifers (Tomsk-7, SE Siberia). In Mineralogical Magazine (Vol. 75, 2018).
• Trösch, M., Tomonaga, Y., Holzner, C. P., & Kipfer, R. (2011). Noble Gases as Tracers to Determine the Effective Diffusivity in the Sediment Porewater of Lake Hallwil. In Mineralogical Magazine (Vol. 75, 2032).
• Tomonaga, Y., Brennwald, M. S., & Kipfer, R. (2011). Dissolved noble gases in sediment pore water as proxies for fluid transport within a lake basin? In Japan Geoscience Union Meeting 2011. Chiba (Japan).
• Tomonaga, Y., Brennwald, M. S., & Kipfer, R. (2009). He characterisation near the active methane seepage offshore the eastern edge of New Zealand. In 19th Annual V. M. Goldschmidt Conference (Vol. 73, A1338). Davos, Switzerland: Geochim. Cosmochim. Acta.
• Tomonaga, Y., Brennwald, M. S., & Kipfer, R. (2009). Spatial variability in the He emanation from the sediments of Lake Van. In Developments In Noble Gas Understanding and Expertise. Nancy (France).
• Brennwald, M. S., Tomonaga, Y., & Kipfer, R. (2009). What do noble gases in surface-water sediments tell us? In Developments In Noble Gas Understanding and Expertise. Nancy, France.
• Brennwald, M. S., Tomonaga, Y., & Kipfer, R. (2009). What do noble gases in surface-water sediments tell us? In Geochimica et Cosmochimica Acta (Vol. 73, A159). 19th Annual V. M. Goldschmidt Conference. Davos, Switzerland.
• Tomonaga, Y., & Kipfer, R. (2008). High resolution noble gas profile in a sediment core from the Stockholm archipelago. In Geophysical Research Abstracts (Vol. 10). 5th EGU General Assembly. Vienna, Austria.
  
• Tomonaga, Y., Brennwald, M. S., & Kipfer, R. (2007). Spatial variability in the release of terrigenic He from the sediments of Lake Van (Turkey). In Geochimica et Cosmochimica Acta (Vol. 71, A1029). 17th Annual V. M. Goldschmidt Conference. Cologne, Germany, doi:10.1016/j.gca.2007.06.027.
• Tomonaga, Y., Brennwald, M. S., & Kipfer, R. (2007). Spatial variability in the release of terrigenic He from the sediments of Lake Van (Turkey). In 4th Mini Conference on Noble Gases in the Hydrosphere and in Natural Gas Reservoirs. Potsdam (Germany), doi:10.2312/GFZ.mga.045.
• Kipfer, R., Tomonaga, Y., & Brennwald, M. S. (2006). Mantle He in the basin of Lake Van. In ICDP International workshop in Van. Van, Turkey.
• Tomonaga, Y., Brennwald, M. S., & Kipfer, R. (2006). Spatial distribution of helium in lacustrine sediments. In U. Platt (Ed.), Spring Meeting of the German Physical Society (DPG). Heidelberg, Germany: DPG.
• Brennwald, M. S., Scheidegger, Y., Tomonaga, Y., Holzner, C. P., Wieler, R., & Kipfer, R. (2006). New applications of noble gases as environmental proxies in unusual aquatic environments. In 16th Annual V. M. Goldschmidt Conference (Vol. 70, A66). Melbourne, Australia: Geochim. Cosmochim. Acta, doi:10.1016/j.gca.2006.06.237.
• Kaden, H., Peeters, F., Lorke, A., Kipfer, R., Brennwald, M., & Tomonaga, Y. (2005). Mixing processes in Lake Van (Turkey). In 9th European Workshop on Physical Processes in Natural Waters. Lancaster.
• Klump, S., Tomonaga, Y., Amaral, H., Brennwald, M. S., Hofer, M., Holzner, C. P., et al. (2005). Field experiment to trace gas exchange and excess air formation in the quasi-saturated zone under natural conditions. In Geophysical Research Abstracts (Vol. 7). 2nd EGU General Assembly. Vienna, Austria: European Geosciences Union.