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Efficient injection of gas tracers into rivers: a tool to study surface water–groundwater interactions
Blanc, T., Peel, M., Brennwald, M. S., Kipfer, R., & Brunner, P. (2024). Efficient injection of gas tracers into rivers: a tool to study surface water–groundwater interactions. Water Research, 254, 121375 (11 pp.). https://doi.org/10.1016/j.watres.2024.121375
Gas equilibrium membrane inlet mass spectrometry (GE-MIMS) for water at high pressure
Brennwald, M. S., Rinaldi, A. P., Gisiger, J., Zappone, A., & Kipfer, R. (2024). Gas equilibrium membrane inlet mass spectrometry (GE-MIMS) for water at high pressure. Geoscientific Instrumentation, Methods and Data Systems, 13(1) (8 pp.). https://doi.org/10.5194/gi-13-1-2024
Lake surface cooling drives littoral-pelagic exchange of dissolved gases
Doda, T., Ramón, C. L., Ulloa, H. N., Brennwald, M. S., Kipfer, R., Perga, M. E., … Bouffard, D. (2024). Lake surface cooling drives littoral-pelagic exchange of dissolved gases. Science Advances, 10(4), eadi0617 (9 pp.). https://doi.org/10.1126/sciadv.adi0617
New experimental approaches enabling the continuous monitoring of gas species in hydrothermal fluids
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. Frontiers in Water, 4, 1032094 (10 pp.). https://doi.org/10.3389/frwa.2022.1032094
Noble gases in aquitard provide insight into underlying subsurface stratigraphy and free gas formation
Lightfoot, A. K., Stopelli, E., Berg, M., Brennwald, M., & Kipfer, R. (2023). Noble gases in aquitard provide insight into underlying subsurface stratigraphy and free gas formation. Vadose Zone Journal, 22(1), e20232 (14 pp.). https://doi.org/10.1002/vzj2.20232
Noble gases to analyse the physical mechanisms influencing arsenic dynamics in groundwater
Lightfoot, A. K. (2023). Noble gases to analyse the physical mechanisms influencing arsenic dynamics in groundwater [Doctoral dissertation, ETH Zürich]. https://doi.org/10.3929/ethz-b-000602341
Revisiting Mt Fuji’s groundwater origins with helium, vanadium and environmental DNA tracers
Schilling, O. S., Nagaosa, K., Schilling, T. U., Brennwald, M. S., Sohrin, R., Tomonaga, Y., … Kato, K. (2023). Revisiting Mt Fuji’s groundwater origins with helium, vanadium and environmental DNA tracers. Nature Water, 1, 60-73. https://doi.org/10.1038/s44221-022-00001-4
Methods and benefits of measuring non-hydrocarbon gases from surface casing vents
Utting, N., Osadetz, K., Darrah, T. H., Brennwald, M. S., Mayer, B., & Lawton, D. (2023). Methods and benefits of measuring non-hydrocarbon gases from surface casing vents. International Journal of Environmental Science and Technology, 20(7), 5223-5240. https://doi.org/10.1007/s13762-022-04300-x
Quantifying carbon cycling across the groundwater-stream-atmosphere continuum using high-resolution time series of multiple dissolved gases
Wang, C., Brennwald, M. S., Xie, Y., McCallum, J. L., Kipfer, R., Dai, X., & Wu, J. (2023). Quantifying carbon cycling across the groundwater-stream-atmosphere continuum using high-resolution time series of multiple dissolved gases. Environmental Science and Technology, 57(36), 13487-13495. https://doi.org/10.1021/acs.est.3c03378
In-situ experiment reveals CO<sub>2</sub> enriched fluid migration in faulted caprock
Weber, U. W., Rinaldi, A. P., Roques, C., Wenning, Q. C., Bernasconi, S. M., Brennwald, M. S., … Kipfer, R. (2023). In-situ experiment reveals CO2 enriched fluid migration in faulted caprock. Scientific Reports, 13(1), 17006 (14 pp.). https://doi.org/10.1038/s41598-023-43231-6
New experimental tools to use noble gases as artificial tracers for groundwater flow
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. Frontiers in Water, 4, 925294 (8 pp.). https://doi.org/10.3389/frwa.2022.925294
Mantle helium in pore fluids of deep-sea sediments around the Azores archipelago
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. Chemical Geology, 608, 121038 (7 pp.). https://doi.org/10.1016/j.chemgeo.2022.121038
Noble gas constraints on the fate of arsenic in groundwater
Lightfoot, A. K., Brennwald, M. S., Prommer, H., Stopelli, E., Berg, M., Glodowska, M., … Kipfer, R. (2022). Noble gas constraints on the fate of arsenic in groundwater. Water Research, 214, 118199 (11 pp.). https://doi.org/10.1016/j.watres.2022.118199
Noble gases in sediment pore water yield insights into hydrothermal fluid transport in the northern Guaymas Basin
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. Marine Geology, 434, 106419 (9 pp.). https://doi.org/10.1016/j.margeo.2021.106419
Combined method of <sup>3</sup>H/<sup>3</sup>He apparent age and on-site helium analysis to identify groundwater flow processes and transport of perchloroethylene (PCE) in an urban area
Moeck, C., Popp, A. L., Brennwald, M. S., Kipfer, R., & Schirmer, M. (2021). Combined method of 3H/3He apparent age and on-site helium analysis to identify groundwater flow processes and transport of perchloroethylene (PCE) in an urban area. Journal of Contaminant Hydrology, 238, 103773 (13 pp.). https://doi.org/10.1016/j.jconhyd.2021.103773
Underground production of &lt;sup&gt;81&lt;/sup&gt;Kr detected in subsurface fluids
Purtschert, R., Yokochi, R., Jiang, W., Lu, Z. T., Mueller, P., Zappala, J., … Onstott, T. C. (2021). Underground production of 81Kr detected in subsurface fluids. Geochimica et Cosmochimica Acta, 295, 65-79. https://doi.org/10.1016/j.gca.2020.11.024
Quantifying groundwater recharge dynamics and unsaturated zone processes in snow‐dominated catchments via on‐site dissolved gas analysis
Schilling, O. S., Parajuli, A., Tremblay Otis, C., Müller, T. U., Antolinez Quijano, W., Tremblay, Y., … Therrien, R. (2021). Quantifying groundwater recharge dynamics and unsaturated zone processes in snow‐dominated catchments via on‐site dissolved gas analysis. Water Resources Research, 57(2), e2020WR028479 (24 pp.). https://doi.org/10.1029/2020WR028479
Noble gases as tracers for the gas dynamics in methane supersaturated lacustrine sediments
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. Chemical Geology, 568, 119905 (11 pp.). https://doi.org/10.1016/j.chemgeo.2020.119905
Noble gas tracers in gas streams at Norwegian CO&lt;sub&gt;2&lt;/sub&gt; capture plants
Weber, U. W., Kipfer, R., Horstmann, E., Ringrose, P., Kampman, N., Tomonaga, Y., … Sundal, A. (2021). Noble gas tracers in gas streams at Norwegian CO2 capture plants. International Journal of Greenhouse Gas Control, 106, 103238 (11 pp.). https://doi.org/10.1016/j.ijggc.2020.103238
Fault sealing and caprock integrity for CO&lt;sub&gt;2&lt;/sub&gt; storage: an in situ injection experiment
Zappone, A., Rinaldi, A. P., Grab, M., Wenning, Q. C., Roques, C., Madonna, C., … Wiemer, S. (2021). Fault sealing and caprock integrity for CO2 storage: an in situ injection experiment. Solid Earth, 12(2), 319-343. https://doi.org/10.5194/se-12-319-2021
 

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