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Musy, Stephanie; Hinsby, Klaus; Troldborg, Lars; Delottier, Hugo; Guillon, Sophie; Brunner, Philip; Purtschert, Roland (2023). Evaluating the impact of muon-induced cosmogenic 39Ar and 37Ar underground production on groundwater dating with field observations and numerical modeling. The Science of the total environment, 903, p. 166588. Elsevier 10.1016/j.scitotenv.2023.166588
Musy, Stephanie; Purtschert, Roland (2023). Reviewing 39Ar and 37Ar underground production in shallow depths with implications for groundwater dating. The Science of the total environment, 884, p. 163868. Elsevier 10.1016/j.scitotenv.2023.163868
Musy, Stéphanie; Meyzonnat, Guillaume; Barbecot, Florent; Hunkeler, Daniel; Sültenfuss, Jürgen; Solomon, D. Kip; Purtschert, Roland (2021). In-situ sampling for krypton-85 groundwater dating. Journal of hydrology X, 11, p. 100075. Elsevier 10.1016/j.hydroa.2021.100075
Popp, Andrea L.; Pardo‐Álvarez, Álvaro; Schilling, Oliver S.; Scheidegger, Andreas; Musy, Stéphanie; Peel, Morgan; Brunner, Philip; Purtschert, Roland; Hunkeler, Daniel; Kipfer, Rolf (2021). A framework for untangling transient groundwater mixing and travel times. Water resources research, 57(4) American Geophysical Union 10.1029/2020WR028362
Markovich, Katherine H.; Condon, Laura E.; Carroll, Kenneth C.; Purtschert, Roland; McIntosh, Jennifer C. (2021). A Mountain-Front Recharge Component Characterization Approach Combining Groundwater Age Distributions, Noble Gas Thermometry, and Fluid and Energy Transport Modeling. Water resources research, 57(1) American Geophysical Union 10.1029/2020WR027743
Jakobsen, Rasmus; Hinsby, Klaus; Aamand, Jens; van der Keur, Peter; Kidmose, Jacob; Purtschert, Roland; Jurgens, Bryant; Sültenfuss, Jürgen; Albers, Christian N. (2020). History and Sources of Co-Occurring Pesticides in an Abstraction Well Unraveled by Age Distributions of Depth-Specific Groundwater Samples. Environmental science & technology, 54(1), pp. 158-165. ACS Publications 10.1021/acs.est.9b03996
Affolter, Stéphane; Steinmann, Philipp; Aemisegger, Franziska; Purtschert, Roland; Leuenberger, Markus (2020). Origin and percolation times of Milandre Cave drip water determined by tritium time series and beryllium-7 data from Switzerland. Journal of environmental radioactivity, 222(5), p. 106346. Elsevier 10.1016/j.jenvrad.2020.106346
Ram, Roi; Burg, Avihu; Zappala, Jake C.; Yokochi, Reika; Yechieli, Yoseph; Purtschert, Roland; Jiang, Wei; Lu, Zheng-Tian; Mueller, Peter; Bernier, Ryan; Adar, Eilon M. (2020). Identifying recharge processes into a vast "fossil" aquifer based on dynamic groundwater 81Kr age evolution. Journal of hydrology, 587, p. 124946. Elsevier 10.1016/j.jhydrol.2020.124946
Yechieli, Yoseph; Yokochi, Reika; Zilberbrand, Michael; Lu, Zheng-Tian; Purtschert, Roland; Sueltenfuss, Jürgen; Jiang, Wei; Zappala, Jake; Mueller, Peter; Bernier, Ryan; Avrahamov, Naama; Adar, Eilon; Talhami, Firas; Livshitz, Yakov; Burg, Avihu (2019). Recent seawater intrusion into deep aquifer determined by the radioactive noble-gas isotopes 81Kr and 39Ar. Earth and planetary science letters, 507, pp. 21-29. Elsevier 10.1016/j.epsl.2018.11.028
Bollhöfer, Andreas; Schlosser, Clemens; Schmid, Sabine; Konrad, Martina; Purtschert, Roland; Krais, Roman (2019). Half a century of Krypton-85 activity concentration measured in air over Central Europe: Trends and relevance for dating young groundwater. Journal of environmental radioactivity, 205-206, pp. 7-16. Elsevier 10.1016/j.jenvrad.2019.04.014
Heidinger, Michael; Eichinger, Florian; Purtschert, Roland; Mueller, Peter; Zappala, Jake; Wirsing, Gunther; Geyer, Tobias; Fritzer, Thomas; Groß, Doris (2019). 81Kr/85Kr-Dating of thermal groundwaters in the Upper Jurassic (Molasse Basin). Grundwasser, 24(4), pp. 287-294. Springer 10.1007/s00767-019-00431-0
Yokochi, Reika; Ram, Roi; Zappala, Jake C.; Jiang, Wei; Adar, Eilon; Bernier, Ryan; Burg, Avihu; Dayan, Uri; Lu, Zheng-Tian; Mueller, Peter; Purtschert, Roland; Yechieli, Yoseph (2019). Radiokrypton unveils dual moisture sources of a deep desert aquifer. Proceedings of the National Academy of Sciences of the United States of America - PNAS, 116(33), pp. 16222-16227. National Academy of Sciences NAS 10.1073/pnas.1904260116
Gerber, Christoph; Purtschert, Roland; Hunkeler, Daniel; Hug, Rainer; Sültenfuss, Jürgen (2018). Using environmental tracers to determine the relative importance of travel times in the unsaturated and saturated zones for the delay of nitrate reduction measures. Journal of hydrology, 561, pp. 250-266. Elsevier 10.1016/j.jhydrol.2018.03.043
Yokochi, Reika; Bernier, Ryan; Purtschert, Roland; Zappala, Jake C.; Yechieli, Yoseph; Adar, Eilon; Jiang, Wei; Lu, Zheng-Tian; Mueller, Peter; Olack, Gerard; Ram, Roi (2018). Field Degassing as a New Sampling Method for 14C Analyses in Old Groundwater. Radiocarbon, 60(01), pp. 349-366. Cambridge University Press 10.1017/RDC.2017.64
McCallum, James L.; Dogramaci, Shawan; Cook, Peter G.; Banks, Eddie; Purtschert, Roland; Irvine, Michelle; Simmons, Craig T.; Burk, Lawrence (2018). Stochastic correction of carbon-14 activities: A Bayesian approach with argon-39 validation. Journal of hydrology, 566, pp. 396-405. Elsevier 10.1016/j.jhydrol.2018.08.047
Avrahamov, Naama; Yechieli, Yoseph; Purtschert, Roland; Levy, Yehuda; Sültenfuß, Jürgen; Vergnaud, Virginie; Burg, Avihu (2018). Characterization of a carbonate karstic aquifer flow system using multiple radioactive noble gases (3H-3He, 85Kr, 39Ar) and 14C as environmental tracers. Geochimica et cosmochimica acta, 242, pp. 213-232. Elsevier Science 10.1016/j.gca.2018.09.009
Gerber, Christoph; Vaikmäe, Rein; Aeschbach, Werner; Babre, Alise; Jiang, Wei; Leuenberger, Markus; Lu, Zheng-Tian; Mokrik, Robert; Müller, Peter; Raidla, Valle; Saks, Tomas; Waber, H. Niklaus; Weissbach, Therese; Zappala, Jake C.; Purtschert, Roland (2017). Using ⁸¹ Kr and noble gases to characterize and date groundwater and brines in the Baltic Artesian Basin on the one-million-year timescale. Geochimica et cosmochimica acta, 205, pp. 187-210. Elsevier Science 10.1016/j.gca.2017.01.033
Zappala, J.C.; Bailey, K.; Jiang, W.; Micklich, B.; Mueller, P.; O’Connor, T.P.; Purtschert, Roland (2017). Setting a limit on anthropogenic sources of atmospheric ⁸¹Kr through Atom Trap Trace Analysis. Chemical geology, 453, pp. 66-71. Elsevier 10.1016/j.chemgeo.2017.02.007
Zappala, J. C.; Bailey, K.; Mueller, P.; O'Connor, T. P.; Purtschert, Roland (2017). Rapid processing of ⁸⁵5 Kr/Kr ratios using Atom Trap Trace Analysis. Water resources research, 53(3), pp. 2553-2558. American Geophysical Union 10.1002/2016WR020082
Schilling, Oliver S.; Gerber, Christoph; Partington, Daniel J.; Purtschert, Roland; Brennwald, Matthias S.; Kipfer, Rolf; Hunkeler, Daniel; Brunner, Philip (2017). Advancing Physically-Based Flow Simulations of Alluvial Systems Through Atmospheric Noble Gases and the Novel 37 Ar Tracer Method. Water resources research, 53(12), pp. 10465-10490. American Geophysical Union 10.1002/2017WR020754
McCallum, James L.; Cook, Peter. G.; Dogramaci, Shawan; Purtschert, Roland; Simmons, Craig T.; Burk, Lawrence (2017). Identifying modern and historic recharge events from tracer-derived groundwater age distributions. Water resources research, 53(2), pp. 1039-1056. American Geophysical Union 10.1002/2016WR019839
Gerber, Christoph (2017). Groundwater Dating with Noble Gases - from Groundwater-Surface Water Interaction and Contaminant Transport to Paleohydrogeology (Unpublished). (Dissertation, Universität Bern, Philosophisch–naturwissenschaftliche Fakultät, Physikalisches Institut, Abteilung für Klima– und Umweltphysik)
Riedmann, Robin A.; Purtschert, Roland (2016). Separation of argon from environmental samples for Ar-37 and Ar-39 analyses. Separation and Purification Technology, 170, pp. 217-223. Elsevier 10.1016/j.seppur.2016.06.017
Guillon, Sophie; Sun, Yunwei; Purtschert, Roland; Raghoo, Lauren Samara; Pili, Eric; Carrigan, Charles R. (2016). Alteration of natural ³⁷Ar activity concentration in the subsurface by gas transport and water infiltration. Journal of environmental radioactivity, 155-156, pp. 89-96. Elsevier 10.1016/j.jenvrad.2016.02.021
Haldorsen, Sylvi; Van der Ploeg, Martine J.; Cendon, Dioni I.; Chen, Jianyao; Jemaa, Najiba Chkir Ben; Gurdak, Jason J.; Purtschert, Roland; Tujchneider, Ofelia; Vaikmae, Rein; Perez, Marcela; Zouari, Kamel (2016). Groundwater and Global Palaeoclimate Signals (G@GPS). Episodes, 39(4), pp. 556-567. Geological Society of India 10.18814/epiiugs/2016/v39i4/103888
Lau, Maggie C. Y.; Kieft, Thomas L.; Kuloyo, Olukayode; Linage-Alvarez, Borja; van Heerden, Esta; Lindsay, Melody R.; Magnabosco, Cara; Wang, Wei; Wiggins, Jessica B.; Guo, Ling; Perlman, David H.; Kyin, Saw; Shwe, Henry H.; Harris, Rachel L.; Oh, Youmi; Yi, Min Joo; Purtschert, Roland; Slater, Greg F.; Ono, Shuhei; Wei, Siwen; ... (2016). An oligotrophic deep-subsurface community dependent on syntrophy is dominated by sulfur-driven autotrophic denitrifiers. Proceedings of the National Academy of Sciences of the United States of America - PNAS, 113(49), E7927-E7936. National Academy of Sciences NAS 10.1073/pnas.1612244113
Alikhani, Jamal; Deinhart, Amanda L.; Visser, Ate; Bibby, Richard K.; Purtschert, Roland; Moran, Jean E.; Massoudieh, Arash; Esser, Bradley K. (2016). Nitrate vulnerability projections from Bayesian inference of multiple groundwater age tracers. Journal of hydrology, 543(Part A), pp. 167-181. Elsevier 10.1016/j.jhydrol.2016.04.028
Führböter, Jens Fred; Sültenfuß, Jürgen; Purtschert, Roland (2015). Auswirkungen von anthropogenen Einflüssen auf einen Küstengrundwasserleiter am Beispiel des Ems-Ästuars. Grundwasser, 20(1), pp. 13-23. Springer 10.1007/s00767-014-0277-1
Aggarwal, Pradeep K.; Matsumoto, Takuya; Sturchio, Neil C.; Chang, Hung K.; Gastmans, Didier; Araguas-Araguas, Luis J.; Jiang, Wei; Lu, Zheng-Tian; Mueller, Peter; Yokochi, Reika; Purtschert, Roland; Torgersen, Thomas (2015). Continental degassing of 4He by surficial discharge of deep groundwater. Nature geoscience, 8(1), pp. 35-39. Nature Publishing Group 10.1038/ngeo2302
Åkesson, Maria; Suckow, Axel; Visser, Ate; Sültenfuβ, Jürgen; Laier, Troels; Purtschert, Roland; Sparrenbom, Charlotte J. (2015). Constraining age distributions of groundwater from public supply wells in diverse hydrogeological settings in Scania, Sweden. Journal of hydrology, 528, pp. 217-229. Elsevier 10.1016/j.jhydrol.2015.06.022
Edmunds, W. Mike; Darling, W. George; Purtschert, Roland; Corcho Alvarado, José Antonio (2014). Noble gas, CFC and other geochemical evidence for the age and origin of the Bath thermal waters, UK. Applied geochemistry, 40, pp. 155-163. Pergamon 10.1016/j.apgeochem.2013.10.007
Torgersen, T.; Purtschert, Roland; Philips, F. M.; Plummer, L. N.; Sanford, W. E.; Suckow, A. (2013). Defining groundwater age. In: International Atomic Energy Agency, (ed.) Isotope Methods for Dating Old Groundwater (pp. 21-32). Vienna: IAEA
Visser, A.; Broers, H. P.; Purtschert, Roland; Sültenfuss, J.; de Jonge, M. (2013). Groundwater age distributions at a public drinking water supply well field derived from multiple age tracers (⁸⁵Kr, ³H/³He, and ³⁹Ar). Water resources research, 49(11), pp. 7778-7796. American Geophysical Union 10.1002/2013WR014012
Corcho Alvarado, J. A.; Paces, T.; Purtschert, Roland (2013). Dating groundwater in the Bohemian Cretaceous Basin: Understanding tracer variations in the subsurface. Applied geochemistry, 29, pp. 189-198. Pergamon 10.1016/j.apgeochem.2012.11.014
Yang, G.-M.; Cheng, C. F.; Jiang, W.; Lu, Z.-T.; Purtschert, Roland; Sun, Y.-R.; Tu, L.-Y.; Hu, S.-M. (2013). Analysis of ⁸⁵Kr: a comparison at the 10-14 level using micro-liter samples. Scientific Reports, 3(1) Nature Publishing Group 10.1038/srep01596
Sturchio, N. C.; Purtschert, Roland (2013). Krypton-81 case study: the nubian aquifer, Egypt. In: International Atomic Energy Agency, (ed.) Isotope Methods for Dating Old Groundwater (pp. 319-324). Vienna: IAEA
Yokochi, Reika; Sturchio, Neil C.; Purtschert, Roland (2012). Determination of crustal fluid residence times using nucleogenic 39Ar. Geochimica et cosmochimica acta, 88, pp. 19-26. New York, N.Y.: Elsevier Science 10.1016/j.gca.2012.04.034
Zuber, Andrzej; Różański, Kazimierz; Kania, Jarosław; Purtschert, Roland (2011). On some methodological problems in the use of environmental tracers to estimate hydrogeologic parameters and to calibrate flow and transport models. Hydrogeology journal, 19(1), pp. 53-69. Hannover: Verlag Heinz Heise 10.1007/s10040-010-0655-4
Riedmann, Robin; Purtschert, Roland (2011). Natural 37Ar Concentrations in Soil Air: Implications for Monitoring Underground Nuclear Explosions. Environmental science & technology, 45(20), pp. 8656-8664. Washington, D.C.: ACS Publications 10.1021/es201192u
Sültenfuss, Jürgen; Purtschert, Roland; Führböter, Jens F. (2011). Age structure and recharge conditions of a coastal aquifer (northern Germany) investigated with 39Ar, 14C, 3H, He isotopes and Ne. Hydrogeology journal, 19(1), pp. 221-236. Hannover: Verlag Heinz Heise 10.1007/s10040-010-0663-4
Corcho Alvarado, J. A.; Barbecot, F.; Purtschert, Roland (2009). Ambient vertical flow in long-screen wells: a case study in the Fontainebleau Sands Aquifer (France). Hydrogeology journal, 17(2), pp. 425-431. Hannover: Verlag Heinz Heise 10.1007/s10040-008-0383-1
Rueedi, Joerg; Purtschert, Roland; Beyerle, Urs; Alberich, Carmen; Kipfer, Rolf (2005). Estimating groundwater mixing ratios and their uncertainties using a statistical multi parameter approach. Journal of hydrology, 305(1-4), pp. 1-14. Elsevier 10.1016/j.jhydrol.2004.06.044
Patterson, Leslie J.; Sturchio, Neil C.; Kennedy, B. Mack; van Soest, Matthias C.; Sultan, Mohamed; Lu, Zheng-Tian; Lehmann, Bernhard; Purtschert, Roland; El Alfy, Zeinhom; El Kaliouby, Baher; Dawood, Yehia; Abdallah, Ali (2005). Cosmogenic, radiogenic, and stable isotopic constraints on groundwater residence time in the Nubian Aquifer, Western Desert of Egypt. Geochemistry, geophysics, geosystems, 6(1), n/a-n/a. American Geophysical Union AGU 10.1029/2004GC000779
Purtschert, Roland; Corcho Alvarado, José Antonio (2005). Anwendung von Edelgasisotopen in der Grundwasserhydrologie. Zentralblatt für Geologie und Paläontologie. Teil 1, Allgemeine, angewandte, regionale und historische Geologie, 2005(1/2), pp. 141-165. Schweizerbart
Corcho Alvarado, Jose Antonio (2005). Multiple tracer approaches to resolve the age structure of groundwater in European aquifers (Unpublished). (Dissertation, Universität Bern, Philosophisch–naturwissenschaftliche Fakultät, Physikalisches Institut, Abteilung für Klima– und Umweltphysik)
Purtschert, Roland (1999). Uraltes Grundwasser im Glattal. Temperatur und Grundwasserneubildung während der letzten 30 000 Jahre in der Schweiz. UniPress - Forschung und Wissenschaft an der Universität Bern, 101, pp. 26-27. Abteilung Kommunikation, Universität Bern
Beyerle, Urs; Purtschert, Roland; Aeschbach-Hertig, Werner; Imboden, Dieter M.; Loosli, Heinz H.; Wieler, Rainer; Kipfer, Rolf (1998). Climate and groundwater recharge during the last glaciation in an ice-covered region. Science, 282(5389), pp. 731-734. American Association for the Advancement of Science 10.1126/science.282.5389.731
Purtschert, Roland (1997). Multitracer-Studien in der Hydrologie; Anwendungen im Glattal, am Wellenberg und in Vals (Unpublished). (Dissertation, Universität Bern)
Schlosser, Peter; Kromer, Bernd; Östlund, Gote; Ekwurzel, Brenda; Bönisch, Gerhard; Loosli, H. H.; Purtschert, Roland (1994). On the 14C and 39Ar distribution in the central Arctic Ocean: implications for deep water formation. Radiocarbon, 36(3), pp. 327-343. Arizona Board of Regents, University of Arizona 10.1017/S003382220001451X
